totient: (bike)
First off, if you came to this post via blogsearch.google.com, I was number 6535, wearing this year's Hub On Wheels jersey and a red LAS helmet and riding the blue 1987 Cannondale with the giant bucket for a pannier.

I woke up this morning at 6:20 to cold and wet and a forecast of more of the same. I like riding in the cold and wet, though: it keeps me from overheating. It's only stopping in the cold and wet that's unpleasant. So off I went, arriving at the start of Hub On Wheels in time to line up at the front of the second wave of riders.

50 (well, really 47.5) miles is a great distance for me. Long enough to be warmed up for most of the ride, and for me not to feel like it's over before it started. Long enough that I have to keep distance in mind for pacing but not so long that that keeps me from getting a good workout along the way. Not so long as to ever turn into a slog, or require a break in the middle, or more food than I can easily eat while riding.

The Cannondale was totally the right choice of bike for this ride, even apart from the unavailability1 of the Ciocc right now. The rain tailed off just around 8:00 but the roads were wet and having front and rear fenders was awesome. There was a stretch of narrow, twisty bike path on which I felt more comfortable with a headlight, and riding to the start in the rain I liked the extra visibility from the taillight and the giant rear reflector on the bucket. Some sandy unpaved stretches were easier with 28mm tires than they would have been with 23mm. I never needed the higher gearing of the Ciocc, and considering the number of other cyclists on even a rainy morning, and the endless passing that comes from the shared last miles between the 30 and 50 mile routes, riding a bike that's a mph or so slower was probably a feature. I also never needed the bike lock and next year I'll probably leave it at home; the end location has some fun hangout opportunities but nowhere to lock a bike up and the bikes everyone is wheeling around are the main topic of conversation (and best way to recognize fellow riders) anyway.

In addition to my usual summer riding kit, I wore my very thinnest glove liners and a lightweight long-sleeve poly undershirt for the ride to the start and the first 5 or so miles of the ride. On a dry day I would not have brought those or the extra tights, pullover, thicker glove liners, wool socks2, and cashmere hat, but as it was I felt prepared for any turn of weather on an unpredictable day. Having the Tevas was kind of nice since I had someplace to put them, but would not have been worth adding a bag for if I were doing this ride without one. Having two bags (the bucket and a rack-top bag) was great as I had someplace to put the wet undershirt without worrying about getting the other things I was carrying wet.

Around mile 9 a couple of riders came past me at a really great pace, just a touch faster than I'd otherwise have gone but smooth and consistent. It was still too wet for drafting, but I rode with them anyway until the first rest stop, where we got separated. I never did see them again. Next year, I'll pay more attention to when rest stops are coming up and try to coordinate with whoever I'm with at the time as to whether and for how long we will stop. Later in the ride I did most of the pace setting for a group including a guy on a very distinctive pink fixie with a blue front wheel. I don't feel like losing the other pace setters was a problem -- they pretty much got me going at an effort level I knew was going to work for me and then I just left it there. But I was sad not to have their company.

On a ride as short as this I'm not really worried about managing calories, and it was cool enough that I didn't need to worry about running out of water either. But 50 miles even in cool weather is enough to think about potassium management. 2.5 bananas (acquired at the first and second rest stops) was just enough. Not having eaten at the start, I was also pretty happy to see Fig Newtons at the second stop. As the ride goes on the rest stops get closer together, which is smart as the people who need them most are the ones who start out too fast, but that wasn't me and I skipped the last two stops as I still had plenty of food in my pockets when I got to them. Had it been warmer I'd definitely have had to throw some kind of sports drink into my potassium management plan as bananas aren't enough to replenish potassium as quickly as I can sweat it out when I really get going.

Shortly after the 30 and 50 mile courses split, where the ride enters the Arboretum grounds, I found myself riding without anyone in sight ahead of me. I came to a Y intersection with a "straight ahead" arrow on the left hand side and decided that the course went left rather than into the 3-car parking lot at the crotch of the Y -- it seemed to me that if that (and whatever walking path was behind it) had been the course they'd have put up no-parking signs or something. A bit over half a mile later I and the dozen or so riders who had followed me realized we were off course and, armed with the official map and the GPS in my iPhone3, I led us all back, adding about 8/10 of a mile to the ride. Thinking back on it, it occurs to me that perhaps we beat the courseworker to that intersection; there were certainly plenty of courseworkers out later in the ride. Still, it was my fault for not being more familiar with the route.

Oh, I finished at 10:55. I didn't keep track of when the second wave started, and I was more concerned about safety at intersections than about my average speed, but I'm still pretty pleased with that.



1. Oh, I never blogged about that, did I. Well, I guess it never happened then. Two weeks later I am entirely healed, even if the bike isn't.

2. I don't generally wear socks while riding and especially avoid them on wet days -- nothing grosser than squishy feet, and I've never met a bootie that would keep my feet dry for 50 wet miles. But if it were 40 degrees and thunderstorming at the finish I'd have wanted them there, and most of the rest of that clothing too.

3. The iPhone's capacitive touchscreen totally works through two ziploc bags.

workout

Jul. 20th, 2009 01:01 pm
totient: (bike)
Having a speedometer on the bike helps me get a better workout by letting me compare how fast I come past various landmarks -- this is better than seeing what *time* I get to those landmarks because it lets me ignore the effect of traffic lights. One of my landmarks is the minuteman statue in Lexington, which I like to pass going at least 20 mph. This morning I passed it at 23 mph, and at the same time also passed another cyclist who was doing about 20. He chased me down and drafted me to the end of the bikepath at which point I convinced him to follow me up Springs Road and do some intervals. Wow, having someone else along on those made me work a lot harder. He did well, too, especially on the longer ones, and came past the high point of Springs Road half a bike length ahead of me. We rested a bit more between the intervals than I usually do so I don't know if it was any faster than usual but it sure left me more sore.

data

Jun. 16th, 2009 01:30 pm
totient: (Default)
It won't surprise anyone that I time (most of) my rides to work, nor that I keep them in a Google Spreadsheet. And I've posted here about times and goals. Now that I've been doing this for a month or so I have enough data to show a trend, and a couple of close approaches to the goal I've set. So I thought I'd share this ... )
totient: (bike)
Back in high school when I rode with the Montrose Cycle Club, we had some archetypes on the ride. Steve was the leader of the group. Chris was the best climber and often wore a polka-dot jersey. John was the sprinter, and looked it too. And there was one guy whose name I don't recall and may never have known, because in my mind he was only ever called "The guy who sweats".

Now that I'm riding for the workout on a regular basis, I've become that guy. I notice it some when I'm the one on the bikepath without a windbreaker when everyone else is wearing one. It was a little harder to ignore when I forgot my sweatband one morning. But my ride home this evening really drove it home. When I left work at 7pm it was 54 degrees and raining lightly. I was wearing shorts, a summer jersey, summer gloves, and the thinnest short socks I own, which meant I was a little chilly for the first quarter-mile but quite comfy by the time I was out of the office park. By the time I got to the Burlington town line I was sweaty. Someone had left some sprinklers on in the rain and it was when I considered riding through them to cool off that I realized just how absurd this is.

49 minutes

Jun. 2nd, 2009 09:22 pm
totient: (bike)
I've set myself some goals related to my bike ride to work. One of those was to do the ride in a net average speed (including stops) of 20 mph. Ten years ago when I was making a similar ride to Chelmsford my record time for the summer worked out to just about exactly 20 mph; I'm older now, but the ride's only three-quarters as long so it makes a good goal.

A lot of making good time is handling the hills. The most important thing is to build up speed quickly at the top of the hill instead of taking the opportunity to rest; that makes a huge difference to your average speed and you can rest once you're actually up to speed on the downslope. But the real key on this ride is that none of the hills are very high, so it's possible to sprint over them. I've been sprinting over bigger and bigger hills, and today I sprinted over Clarendon Hill, which at 55 feet elevation gain is the highest hill on my ride home.

Today's time works out to 19.7 mph. One more minute off my time and I'll be there.
totient: (bike)
It's amazing what adding 100 miles to my weekly average cycling distance is doing for my metabolism.
totient: (Default)
I've been having a great time these last couple of days -- good work, good company, good food. I checked in code on my first day, which is a great indicator of agility (I mean on the company's part, though I like to push to see if it's possible because if it is it'll impress my new employer too). And the commute has been Just Fine, because I've mostly been doing it by bike. 16.1 miles, via Springs Rd in Bedford. Springs Road isn't smooth, or flat, or wide, or straight, and for the first mile or so of it there's a fair amount of traffic. But it's a pre-revolutionary road and it's absolutely gorgeous. I haven't bothered to check any of the other possible routes because this one is just so much fun to ride.
totient: (Default)
Got new tires on the Ciocc (it was somewhat insane of me not to have done this the minute I got it) and took it out for its first spring ride, and my first purely recreational ride of the season. Went to the end of the bike path and back, in about 1:25 (no computer on the Ciocc yet), so averaging something like 16 mph. Tires are fast, and also look sharp! New seat sits lower on the rails than the old one did, so I stopped to raise it 8mm or so; I felt much less cramped on the bike once I did that. I still need a shorter stem, and the more I think about it the more I want 85 mm (+/-) and not 95 like I thought I might. Ebay, here I come.

spring

Mar. 29th, 2009 06:17 pm
totient: (Default)
First good rain of the season was enough to wash the salt and much of the silt off the center of the road to where the street sweepers will get it when they start, which is Wednesday. By the 15th they will have made a full cycle, and the after the next good rain (to get what they miss) it will be time to bring out the Ciocc again. Meanwhile the tulips are up and the daffodils are about to bloom. Here's hoping any more snow we get is minor.

brrr

Dec. 8th, 2008 10:51 am
totient: (Default)
I have a rule about biking in the cold, which I like to phrase as "never go out wearing all of your gear". That's maybe a little confusing: what I really mean is "always bring spare gear with you". This morning's 15 degrees was cold enough for the neoprene face mask, and any colder and I'd want the glove-liners in my pocket in addition to the winter gloves I had on my hands. I have a spare pair of socks here at work with me in case it gets really bad. At some point I should look into neoprene overshoes that work with street shoes as the winter bike does not have clipless pedals (and now that there is salt on the ground, the summer bike won't come out again until after the second good rain in spring).

new toy

Oct. 13th, 2008 08:32 pm
totient: (bike)
Yesterday I drove down to Westwood to pick up a new toy: a 52cm (c-c) 80's-vintage Ciocc bicycle, with mostly period Campy parts. It didn't need much to get it on the road, though I'll probably replace a few things in the next couple of months to improve the fit and modernize the (6-speed!) drivetrain a little. I wasn't planning to, but I just couldn't resist, so today I took it out for a 35-mile shakedown cruise. I'll want to adjust the front derailleur limits before I ride it again, and probably raise the seat a little and the bars a lot.

It's been a while (ok, 20+ years) since I rode a steel bike. I caught myself climbing with mixed hand positions a couple of times, a la Eddy Merckx (or was it Bernard Hinault), for the first time since high school. The ride is connected to the road without being rough; riding it is a joy. I'm looking forward to putting a lot more miles on it very soon.
totient: (Default)
Last time the three things meme came up I concluded that my most interesting things are more "three unusual things I have done with people who don't happen to read my LJ" than three things I'd done on my own. But on reflection there are some things I think I can put down which won't be quite as much a function of which social circles read this blog. So...

Three things I've done that I'd be surprised if any of my friends (on LJ or otherwise) had:
  • Made an astronomical observation with an optical telescope of >5m aperture
  • Gone on a >1000km bike ride Edit: Finished last in a multi-day bike race
  • Competed in a motorsport by writing a computer program
totient: (justice)
Not bothering with the Arisia debrief that's going on right now. Who wants to go out on a bike in the snow anyway. It's not like I'll be a div head next year or anything.

Meanwhile, I've got half a pound of Dunkin Donuts coffee all ready to take to work with me tomorrow. Mm, mm.

All true, after a fashion. I'm home sick and would just as soon not infect all the Arisia staffers, nor make the crud worse by biking in the cold and wet. I'll still be reading conchair@arisia.org, I suspect, but my actual position will most likely report to Ben and not to Jill. And someone's got to drink the commercial stuff Rosa brought in to the house while we were waiting for the 18-pound Sweet Maria's order to show up. It's not going to be any of us, so it might as well be my unsuspecting coworkers.

sabbatical

Jul. 26th, 2007 01:01 pm
totient: (Default)
[livejournal.com profile] kirkcudbright mentioned to me that his employer gives a 5-week sabbatical after each 5 years of service. This struck me as wonderful idea, and then I realized I've been doing it myself. On my birthday in 2000 I quit my job at BBN with no plans for a new job and took six weeks playing with stuff *I* wanted to be doing before starting the next job. I wound up starting two companies, one of which continues to make my taxes more complicated to this day. My friend Robert remarked that I was the busiest unemployed person he'd ever met (though I think [livejournal.com profile] tcb puts me to shame in this department). It was a blast.

I had a smaller intentional gap in 1992 after MTDP folded which I used to bicycle to the Worldcon in Orlando (well, really to Richmond VA, because who wants to bike any further south than that in August) and one when I left MIT in 1996 which is how come we could get set up for a housewarming party in the new place in DC so quickly. I used a bunch of vacation time while chairing Arisia 2006 around the time of my 5-year anniversary at Permabit and I suspect a formal sabbatical then would have been eaten up by Arisia, as was the couple of weeks I had between jobs at the end of 2006. I conclude from this that three weeks is not enough time to do more than catch up on the metaphorical laundry.

And so it is my plan to spend August on sabbatical. I will be employed on the 1st and the 31st but not in between. I've already booked some travel into this plan, but I hope to make major progress on some personal projects. Four and a half weeks is not as good as six but hopefully it will do.
totient: (bike)
The winner of today's stage, Juan Mauricio Soler H., is wearing number 219 -- the highest number in the tour. The first two digits represent his wild-card team, and the last digit is his position on the team. Ordinarily the team of last year's winner gets to ride with bib numbers 1 through 9, and the 21st (wild-card) team rides with numbers 201 through 209. But with the controversy over Landis' performance last year not yet resolved there is no defending team this year, and the team numbers start one higher than usual.
totient: (bike)
For the third time in its history, the Tour de France is visiting the UK, this time for two stages including yesterday's grand depart and today's road stage from London to Canterbury. A Scot named David Millar who has won prologues before was the UK's great hope for the yellow jersey and he did finish respectably but not close enough to the top for today's intermediate sprint points to put him in yellow. Millar isn't enough of a bunch sprinter to win the stage or win the green jersey of sprint leader, and (unlike last year in Holland) this isn't a good course to be won in a breakaway. He's too old to wear the white jersey of Best Young Rider. That leaves the polka-dot jersey.

The Polka-dot jersey is for the best climber, and it's allocated based on points for the first rider over various hills, passes, and mountains. Mostly it's decided in the second week of the race when the riders visit the Alps and the Pyrenees, but to keep the race interesting there are also points on offer for smaller rises at the beginning and end of the race. Sometimes the climbing classification has been close enough for the few points for a small hill on the last day can make the difference. And having some points at the beginning of the ride gives some more incentive for sprints and especially breakaways in the first week. Often the first couple of days don't have any points at all, though, because you do have to come up with something tall enough to be worth calling a hill. There aren't any hills tomorrow, and there's only one on Tuesday's stage, but there were three today, and that's what Millar decided he was going to chase.

Here's the thing, though. Millar does not have enough endurance to do an all-day breakaway, either by himself or in a small group. He's not enough of a sprinter to be assured of climbing points if someone else is with him, which compounds this problem: in order to get points the breakaway has to be solo and therefore more energy-consuming. And riders in long breakaways that get caught often have trouble keeping up with the group after they get caught because they're so tired. So what's Millar's strategy today? Ideally, he'd break away in the first half of the race, get enough points in the first two hills (which are relatively close together) to be assured of the polka-dot jersey and could then let himself get caught by the pack and ride the rest of the way to Canterbury, perhaps contesting points on the third hill if there were no breakaway there. This is what he did, and when four people followed him in the breakaway he did not wait for them to take advantage of sharing the work until after the first climbing points. Finding himself in a group breakaway he decided to try to outsprint his companions in the second climb, but it's not surprising that he wasn't able to beat out any of the other riders. After two hills, he's tied for three points with Freddy Bichot who won the second climb, and Stephane Auge is tied for second at two. At which point he has a choice: Try to stay ahead for the third climb, and probably finish 5 minutes behind the pack at the end, or fall back to the pack, have his teammates give chase to the rest of the breakaway, and try to win the final points of the day from the group, having had a chance to recuperate, and safe in the knowledge that his 3-point lead over the rest of the pack means that the only other riders with any motivation to contest the last hill are too tired from their long breakaway to do so.

Millar chose to fall back. Auge chose to stay out front -- and Auge did in fact make it to the next climb, barely, and picked up three points for a total of five. Millar was not expecting this, but he was able to take second from the pack, whereas Auge was dropped by the pack and lost several minutes at the end. When there's a tie, it's broken by overall placement, so this puts Millar in the coveted polka-dot jersey tomorrow morning, and Tuesday morning too. Quite an accomplishment for the Brit on his home turf.

And meanwhile I keep finding it amusing to read about the "Côte de Farthing Common".

a full day

Jul. 8th, 2007 02:08 am
totient: (Default)
Got up in leisurely fashion and watched a bit of the Tour de France prologue while drinking my coffee and getting ready to head out the door. Got in the car just as Car Talk was starting, got a bagel, stopped in to say hi to [livejournal.com profile] roozle, and made it out to Readercon almost but not quite in time to catch [livejournal.com profile] infinitehotel's reading. Did manage to make it to three or four hours of very shiny programming and take lots of notes to stuff into Arisia's brainstorm process. Interestingly for such a book-oriented con most of my notes were about media. Hooked up with Rene and passed off a bunch of party supplies and then headed back in to town for a lovely dinner with [livejournal.com profile] miss_chance and some time with her in the early evening before hopping in the car and listening to the seventh and eighth innings of the Sox-Tigers game on the way to [livejournal.com profile] deguspice's party. Spent a lovely hour or two there and then listened to the twelfth and thirteenth innings on the way back to Readercon to spend a bit of time at the Montreal party. That seemed to be going pretty well and was a good enough time that I never made it to the Boskone party that I'd meant to at least stop in at.

This is my favorite kind of full day: lots of variety and no pressure.
totient: (bike)
A few interesting tidbits about the top placed riders in today's prologue.

Watching the tour today, the color commentators suggested that the sprinters ride hard in order that their time bonuses will be enough to get them into the yellow jersey. That would explain some of last year's prologue results, but I'm not sure I buy it. A few sprinters are relatively high in the standings but most of the really good ones are near the bottom, not having wanted to tire themselves out.

This year's top ten prologue finishers is full of contenders for the overall win, most interestingly Kloden and Vinokourov who both ride for the Astana team. Kloden is telling the press he's just there to support Vino and won't try to take over unless Vino is out of contention. We'll see. This has happened before; Greg Lemond's first win was in a similar situation as a domestique for Bernard Hinault. Kloden/Vinokourov is looking like a race to watch, and despite Discovery's effort to establish its importance in the post-Lance era, Astana is probably the team to beat.

In tenth place is a man named Benoit Vaugrenard who you may remember from last year for picking up some intermediate time bonuses in a breakaway. He'll be fun to watch for the next few days, but the other riders will be watching him too. I'll be keeping my eye on Markus Fothen and Alejandro Valverde, as well.
totient: (seti)
ladder: got a good amount of sleep last night
chute: getting out of the house was slow because of shoveling
ladder: even doing Ann's walk too it's only 80 feet
chute: commute this morning was sloppy; no one seemed to be able to get any traction and traffic was very heavy
ladder: on a bike I could mostly zip by it, and I brought dry pants with me
chute: no information from $coworker on the schema change we're working on
ladder: that gives me time to work on the critical bug that's on my plate
ladder: finding bugs here is like shooting fish in a barrel
chute: I'm fixing a lot of unrelated bugs along the way
chute: Emma's is closed today
ladder: It's gross out anyway
ladder: There's leftover food in the fridge

We'll see how it goes this afternoon, but I think I've got a reasonable shot at finding the bottom of this particular barrel.
totient: (bike)
This is the closest Tour de France in years: the top 3 spots are all within 30 seconds of each other, and the contest between Cunego and Fothen for Best Young Rider is separated by 5 seconds. The course is again fairly technical, with a couple of fairly dangerous turns, so once again it would seem that the earlier riders (the riders are started in reverse order of how well they are placed coming into the stage, with the leader starting last) will be encouraged to take risks in order to move up, and that the later riders may be able to avoid them because they'll know already if their opponents' risks paid off. But last year all three of the eventual podium finishers were very strong time trialists, and this year there is much more variation in the time trialing abilities of the top riders.

So let's look at how we'd expect the riders to do if they were careful in all of the turns. Tomorrow's course is about 10% longer than the first time trial, and also a little hillier, and we've been going for another two weeks, so I'm going to imagine that the each rider's time tomorrow is 20% more than their time the first time around. That would give the following expected result in the overall times after the time trial, with times in seconds away from first place:

0 Floyd LANDIS (currently 3rd)
66 Carlos SASTRE (currently 2nd)
90 Oscar PEREIRO SIO (currently 1st)
169 Andréas KLÖDEN
215 Cadel EVANS
275 Denis MENCHOV
... (four other riders at 390 through 730 seconds) ...
1062 Marcus FOTHEN (currently 16th)
... (four other riders at 1095 through 1320 seconds) ...
1394 Damiano CUNEGO (currently 15th)

Notice the rather large gap between Fothen and Cunego. What everyone is wondering, especially Fothen, is whether Cunego's last time trial was anomalously bad, which would imply that he'd be more of a threat. But even if he is, I don't see what Fothen gets out of taking any risks. He's not likely to break into the top ten unless someone ahead of him crashes badly, and he knows no matter what he's at least a little bit better time trialist than Cunego, which is all he needs, and while riding first means his feedback is not as immediate as Cunego's he'll still get some, so he'll know if he needs to start attacking the turns by about a third of the way through his ride. Cunego on the other hand has more of a chance to move up in the standings, and riding in the next slot behind Fothen will help him psychologically if tries to maintain Fothen's pace. Cunego as a relatively inexperienced rider will have trouble choosing the best pace, and my guess is that he will simply try to ride according to the pace Fothen sets. Probably, this will be too much for him and he'll bonk part way through. If this happens the commentators will either say "what bad luck he bonked" or maybe if they're sophisticated "what a bad choice he made in trying to go so fast at the beginning of his ride". But this is his best strategy: maybe he'll be able to keep it up, and maybe Fothen will choose a pace that conserves too much energy, and anyway from Cunego's point of view either he keeps up with Fothen in which case he gets Best Young Rider by a few seconds, or he doesn't in which case he winds up with a respectable finish anyway and gets to try again next year.

On to the top contenders. They know exactly how hard they can ride without bonking. Those top 6 places are awfully tight and a few seconds here or there might make all the difference. I think Sastre and Landis will assume that Pereiro will fade and worry about each other and Kloden. Kloden has a lot to gain and not much to lose by taking a lot of chances. He also has a teammate, Michael Rogers, who he'll be using for a time reference, and if you're looking to see how everyone's doing I'd suggest making that comparison (instead of to the winner) as well. Pereiro likewise will be incented to take some risks to hang on to his top spot. Sastre and Landis I think will start out taking risks and then settle down once they start to see some time feedback. We'll see what happens...

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