100M
The 100-Mile route starts at China Wall and finishes in downtown Auburn with approximately 17,000’ of vertical gain along the Western States Trail and other iconic trails.
Course Description
*2026 Courses Coming Soon
The 100 mile route starts at China Wall and finishes in downtown Auburn! Runners head out Mitchell Mine Rd to trail 6 into Eldorado Canyon then ascend to Deadwood on the Western States Trail, past the Pump to the infamous Swinging Bridge via the Devil’s Thumb descent and challenging climb back out. At Devils Thumb turn left on loop 6, to Deadwood and rejoin the WST for a fast descent to Eldorado Bridge then up to Michigan Bluff to make the way through Volcano Canyon to Foresthill and continuing on Cal Street section. Following the Western States Trail, runners will run along the American River, past the infamous Rucky Chucky river crossing and up to Driver’s Flat. Continue on the FDL to Mammoth Bar and take the Confluence Trail to No Hands Bridge. Here the 100M route splits off to make way up the notorious K2 climb and head over to Cool, down the Coffer loop to the American River, up to the Olmstead loop and back to Cool. Leaving Cool, the course will follow the WS Trail across Hwy 49 then to Quarry trail, and up Brown’s Bar to ALT, continuing on to American Canyon down to the Quarry trail and back to the Western States Trail, across No Hands Bridge and make the way to Robie Point where runners follow the route to cross Ann Trason’s White Bridge to finish in historic downtown Auburn! Approximately 18,000 feet of vert, 22,000 of descent.
Runners will have an overall cut-off of 35 hours to get their Western States Qualifier
*Course maps subject to change.
GPX File
Download the 100 Mile course GPX file below. Remember to ALWAYS follow course markings on the day of the race, as there might be slight alterations from the Course Maps and GPX File.
Last updated: 04/24/2025
Revision History
- Added elevation data
- Deadwood Aid Station relocation and course change
Mandatory Gear
- Running pack for carrying supplies for the duration of the race. Pack can be a backpack, vest or waist/belt pack. (Running waist/belt pack must fit all Mandatory Gear or risk disqualification).
- Running pack for carrying supplies for the duration of the race
- Pack can be a backpack, vest or waist/belt pack
- Mobile / Cell phone (smartphone strongly recommended)
- Mobile / Cell phone with international roaming that works in the United States of America
- Each runner should save the organization's safety phone numbers
- Personal collapsible cup (15 cl / 5 oz minimum)
- Minimum water supply of 1 liter
- 2 working headlamps (torches) with spare cells/batteries for each headlamp. (Recommendation of 200 lumens or more for main headlamp)
- Food reserve. (Recommendation of 800 kcal: 2 gels + 2 power bars each of 65 g)
- Jacket with hood for bad weather in the mountains. The jacket must have an integrated hood or one which attached to the jacket by the original system designed for that purpose by the manufacturer
- Hat (beanie, cap, bandana, or Buff®)
Should the race management team add onto the mandatory gear due to weather conditions, please reference the cold and hot weather kits outlined in the Race Regulations Guide. You will be notified via email if either kit is required during race week. Runners are expected to pack both kits for race weekend in the event one of these kits needs to be implemented.
