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Devil Mountain Double Century

205 miles with 18,000 feet of climbing
Devil Mountain Double Century • Route Profile
Route Profile

Devil Mountain Double Century • Climbs

Cat. 2: Mile 9, 91, 126, and 155
Cat. 3: Mile 46, 73, and 185
Cat. 4: Mile 33, 39, 120, 144, and 200

Devil Mountain Double Century • Description

The Devil Mountain Double Century is a very difficult double century over the mountains and hills bordering Silicon Valley, including Mount Diablo and Mount Hamilton.
The ride starts in San Ramon, and after some rolling hills, leads up Mount Diablo. The top of the climb is known as "the wall".
After the descent and more rolling hills, the route leads up Morgan Territory. From here it descends towards an area of big hills covered in wind turbines, before leading over Altamont Pass and Patterson Pass.
Mines Road leads up the backside of Mount Hamilton, at an altitude of 4,360 feet the highest point of the ride.
The descent leads into San Jose. After a few urban miles, the route climbs Sierra Road (10 percent average grade for three and a half miles).
The descent leads into Sunol. The route then climbs Palomares Road and Norris Canyon, with a downhill finish into San Ramon.
Event Website: Devil Mountain Double Century

Devil Mountain Double Century • Interactive Map

Devil Mountain Double Century • Pictures

Devil Mountain Double Century • Alto the Goat
Alto the Goat

Devil Mountain Double Century • Personal Notes

The Devil Mountain Double Century is one of the hardest doubles. This year the unusually hot weather added to the difficulty, which was reflected in its highest DNF rate (28 percent).
I met Tony M. from Cherry Valley and ran into a few riders I knew from prior doubles, who had a similar pace. However, most of the ride I rode solo, including several hours at night.
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See Also: Double Centuries and California Triple Crown
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