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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

ETAs for centuries with 8 to 14k ft elevation gain

Old 08-12-19, 11:24 AM
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el forestero
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ETAs for centuries with 8 to 14k ft elevation gain

I live in a mountainous area, so my centuries always include either 8,500 or 13,500 ft of elevation gain, depending on the route I take. Anybody know what usual ETA ranges or maximum event times are for such routes?
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Old 08-12-19, 01:17 PM
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terrymorse 
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Check out the finish times for the Mulholland Challenge: 113 miles, 13,500 feet:

2019 Mulholland Challenge Results
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Old 08-14-19, 11:33 AM
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StephenH
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What kind of event is this?
For me- 100 miles under "normal" conditions, including stopping at stores for food, etc., I'll seldom do any better than 7 hours, and don't usually go over 8 hours unless there's some kind of major wind problem. That includes a bunch of little hills, but nothing too steep or too long. For a fully-supported ride, maybe a little faster due to toting less stuff with me. And that's more or less equivalent to 9 hours/10 hours on a 200k.
Adding in the 8,500', probably another hour on top of that.
For the 13,500', probably another hour on top of THAT.
And if anything's too steep for my normal gearing, that's going to get slower yet.
And if it's not paved and I have to bring my gravel tires, it'll get a little slower yet.
Comparing somebody else's race results to my just-riding-around speed isn't too enlightening.
I've seen in some of the races, they'll have 200 mile events, and just assume that everyone's going to start and finish in daylight, and some of us just don't normally ride 200 miles in the daylight.
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Old 08-14-19, 11:16 PM
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Originally Posted by StephenH View Post
What kind of event is this?
Mulholland Challenge is a timed, supported ride. Some people race it for time, others ride it for pleasure. Fastest times are under 7 hours, slowest are about 12 hours.
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Old 08-15-19, 12:16 AM
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I rode a comparably hilly century in 7:25 riding time. It took about about 9.5 hours total as we had friends in the feed stations and got chatting to them. Had we not had friends at the feed station, it probably would have taken us just over 8 hours as we would have just shovels food in our faces, refilled water bottles and headed on our way
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Old 08-15-19, 06:08 AM
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Originally Posted by terrymorse View Post
Mulholland Challenge is a timed, supported ride. Some people race it for time, others ride it for pleasure. Fastest times are under 7 hours, slowest are about 12 hours.
I meant, what kind of event is el forestero's ride in Japan?
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Old 08-15-19, 06:31 AM
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My very basic formula for guesstimating ride duration: (assumes a solo endurance distance avg. speed of ~17mph)
Every 25 miles = 1.5 hours
Every 1,000' of elevation = .5 hours

So a ride that's 100 miles with 13,000' of elevation gain = ((100mi/25mi) * 1.5hrs) + ((13,000'/1,000') * .5hrs) = 12.5 hrs

Last edited by Riveting; 08-15-19 at 06:35 AM.
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Old 08-15-19, 07:17 AM
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101 miles, 9,557ft^, 7h25m
109 miles, 6,130ft^, 6h57m

...and as I usually make a determined effort to keep high mileage and big elevation gains separate, that's all I've got.

I do know that locally, the Tour de Big Bear (109 miles, 10,000 feet) has a 10 hour cutoff. Not a "hard cutoff," just that when you got back to the start/finish, everything would be closed and most everyone would be gone. This year a just a small handful finished in the 9h30m - 10h range, most were 7-8 hours.
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Old 08-16-19, 04:02 PM
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Thanks for the helpful input, all. Preparing for some Mt Fuji-area rides.
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