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This point-to-point 100 mile trail race, starts in Oregon's premier running town of Bend and finishing in the idyllic mountain town of Sisters. The race has 10,700ft of gain and 11,200ft of loss with 13 full aid stations and one unmanned hydration-only aid station. You will finish on the Sisters School District track. 


Come and bring your family and stay after (or before) the race and enjoy the mountain towns of Bend and Sisters!  

The course consists of: 84% single-track trails, 12% dirt road, 2% two-track trail, 2% pavement

The race is a Western States 100 qualifier. 


GPX file download instructions for Caltopo:

 Open map in Caltopo > Export > Format > GPX > Export

Geospatial PDF


OC100-AS Graph1.png


Aid stations will have the following: Peanut Butter & Jelly, Spring Energy gels, Gnarly hydration drink, water, coke, ginger ale, chips, cookies, 1-3 hot items and an assortment of other items. 1-3 hot items (broth, soup, bacon, quesadillas, pancakes, etc) for the night-time aid stations (AS8-AS14)

All Alpine Running events are cupless, so please bring a cup with you.

OC100-updated graph.png

*We don't wheel our courses. With the course change, the distance should still be very close to 100 miles.


To keep runners on track and respecting our amazing volunteers' time, cut off's have been established throughout the race. These are times when you must be LEAVING the aid station. 


AS4  (Mile 26.4)    - 2PM


AS5  (Mile 33.7)     - 4:30PM

(10.5 HOURS)

AS7  (Mile 47.8)   - 9PM      

(15 HOURS)

AS9 (Mile 63.5)    - 3AM        

(21 HOURS)

AS10 (Mile 73.8)   - 6AM      

(24 HOURS)

AS11 (Mile 80.8)    - 8AM        

(26 HOURS)

AS12 (Mile 85.3)   - 9:30AM

(27.5 HOURS)

AS14 (Mile 94.5)   - 12:30PM

(30 HOURS)

FINISH                  - 2:01:18PM       

(32:01:18 HOURS)


We've been allowed to hold this event in collaboration with the equestrian community. Please review these guidelines before race day. 

Please review this information on invasive plants/animals before race day.

All of the trails are multi-use trails - mountain biking, hiking and horses (none of the trails allow ATVs or motorcycles). 

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