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Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling Do you enjoy centuries, double centuries, brevets, randonnees, and 24-hour time trials? Share ride reports, and exchange training, equipment, and nutrition information specific to long distance cycling. This isn't for tours, this is for endurance events cycling

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Old 06-27-12, 11:14 PM   #1
hamster
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What's the most climbing you did in 24 hours

And how would I prepare for such an event? Aside from the obvious (riding more). I have one month. Any suggestions are appreciated. I already have super-low gearing. The longest ride I did in the last few months was ~12 hours and 13,600 feet. I'll try to do a 12-14 hour ride and a night ride between now and the event.

Some specific things I'm interested in:

- Long breaks. If the objective is to get as much climbing as possible in 24 hrs, do I get there by trying to keep going for the entire 24 hrs with only short breaks up to 10-15 minutes, or should I plan to have one or two 1-hour rest stops?

- I expect that my attempt will end with the mother of all muscle bonks, and I want to postpone that moment as much as possible. For that purpose, I'm thinking to go low-carb until the event. Yea or nay?

Last edited by hamster; 06-27-12 at 11:28 PM.
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Old 06-28-12, 12:35 AM   #2
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- Long breaks. If the objective is to get as much climbing as possible in 24 hrs, do I get there by trying to keep going for the entire 24 hrs with only short breaks up to 10-15 minutes, or should I plan to have one or two 1-hour rest stops?
I believe that's an individual thing. Different people respond differently to breaks. For me more frequent short breaks work well, others prefer longer breaks.

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- I expect that my attempt will end with the mother of all muscle bonks, and I want to postpone that moment as much as possible. For that purpose, I'm thinking to go low-carb until the event. Yea or nay?
Why avoid carbs if you want your glycogen stores to be full when you start riding? Glycogen is a carbohydrate, isn't it? That doesn't make sense to me.

Many endurance athletes try to load up with carbohydrates at least the day before. Low GI carbohydrates work best.
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Old 06-28-12, 12:43 AM   #3
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Why avoid carbs if you want your glycogen stores to be full when you start riding? Glycogen is a carbohydrate, isn't it? That doesn't make sense to me.

Many endurance athletes try to load up with carbohydrates at least the day before. Low GI carbohydrates work best.
I'd load up on carbs 2-3 days before the ride. The idea is to adjust the metabolism so that I use more fat and less glycogen when climbing.
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Old 06-28-12, 01:44 AM   #4
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I'd load up on carbs 2-3 days before the ride. The idea is to adjust the metabolism so that I use more fat and less glycogen when climbing.
I don't think it will work. The balance between fat and glycogen consumption is determined by the intensity of the effort, rather than by what you eat, as far as I know. I'd eat whatever allows you train most effectively, if I were you, and that seems unlikely to be low-carb.
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Old 06-28-12, 06:30 AM   #5
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Are you doing a particular event or just for your own edification? I've never actually gone out and tried to do the most climbing I could in one day just for the heck of it however I have done some events with a lot of climbing. A could double centuries with 20k of climbing but they didn't take anywhere near 24hrs and a couple 500 mile races with just short of 30k ft of climbing. Either way, for a 24hr event, I wouldn't stop. Every minute you are stoped is distance up the road you aren't getting. If you train properly before as well as fuel and pace yourself properly during the event you shouldn't have problems with muscle bonks, whatever that is.
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Old 06-28-12, 06:53 PM   #6
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Is this for a Strava challenge? I have done a little over 20K in a double century, and it did include some relatively flat sections, plus did not take nearly 24 hours. With a conservative climbing rate like 2Kft/hour, it should be possible to do something like 40K on the right course, like Monitor Pass repeats. You would want to pick a mountain without a lot of steep sections, and one that can be descended quickly as the descent is basically lost time, even though it serves as a rest opportunity.
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Old 06-28-12, 08:11 PM   #7
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Yes, this is for a Strava challenge. Just got the classic challenge bottle two days ago, and now they have a new one

I can climb 2K ft/hour for shorter periods of time, but I really doubt that I can maintain that pace even 12 hours, let alone 24. Repeats are time-effective, but I think I'd get bored to death doing repeats for 24 hours. I tried to lay out a route, I think I can manage 25K and, depending on how fast I go, I might have time left for some repeats in the end. I wonder if people will actually do more than 40K.
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Old 07-03-12, 11:40 PM   #8
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Your rate of climbing will be higher on steeper roads than on gentler roads, so seek out the toughest roads (that are still well paved) and make sure that you have the gearing to handle them, even late in the event. You'll be wasting time and energy whenever you are on a section of road that is less than about 7% gradient (up or down).

A friend and I who have already done the AlpenBrevet ride in Switzerland, which is about 7,000 metres of climbing in 270 km (23,000 ft in 165 miles), have been discussing the possibility of finding a route where we could do 10,000 metres (33,000 ft) in 300 km, and so could be done within the daylight hours of one day. We want to avoid doing the same road twice, and we want to make the route somewhat adventurous and interesting. We've picked out one route across the French and Italian Alps, and another one across south-eastern Switzerland and Italy that ends at the top of the Stelvio pass (where we could stay in the hotel and so not need to do any descending in the fading light). He's now gone off to Nepal for 2 months, so it looks like our challenge will have to wait until next June or July to maximize the amount of daylight available.

Good luck with your attempt!

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Old 07-19-12, 04:29 AM   #9
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Well, I wussed out, but it looks like the winning attempt was 225 miles and 38,649 feet of climbing. And the guy says that his GPS crashed and it was really 250 miles and 42k of climbing.
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