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2007 course changed from above image, see individual stage maps below for current route.

Course Maps
Stage 1 | Stage 2 | Stage 3 | Stage 4 | Stage 5

Download GPS coordinates from MotionBased
Stage 1 | Stage 2 | Stage 3 | Stage 4 | Stage 5

The Endurance 100: 100 mile solo | 50 mile solo| 100k Solo
The E100 Team Relay and 50 Mile Solo: 50 mile solo | Team Relay
for individual stage maps and directions see about links
The 12 Hours Of Endurance: Course Info

The E 100 race course: 100 miles of beautiful alpine single track trail with 18,627 ft. of vertical gain.
*50 Mile Solo race course -- Stage 1, Stage 2 and Stage 3(11 mile loop).
*100 K Solo race course -- Stage 1, 2, Stage 3(11 mile loop) and Stage 4.

The 12 Hours of Endurance starts from the National Ability Center with 10 miles of beautiful single track Round Valley trails with 1311 feet of elevation gain. Please study The 12 Hour race course topo map and directions.

Special thanks to Lloyd Smith for his help with GPS for the race course. We use GPS for vertical gain and bike computer for distance.

2008 Update Coming Soon