Each Aid Station will be supported by several volunteers eager to assist you in making the most of your experience.

All aid stations that will be well stocked with all the treats runners love to help them get through the day, including fresh fruit, chips, gels, potatoes and salt, candy, cookies, soda, water, sports drink and other assorted goodies. There will be warm food — soup and quesadillas at Lake Chabot and Chabot Staging Area.

The aid stations will also have ice, sponges, and water buckets to help runners cool down. A pop-up tent for shade and some chairs will be available should you really need a moment to relax before continuing on.

Runners can access drop bags at 4 points (miles 12.7, 25.8, 38.2, and 51.3. Pacers can enter at miles 38.2 and 51.3. No exceptions.

Please note for your crew that the start and the finish are in slightly different places. The race starts and Canyon Middle School and finishes at Cull Canyon Regional Park. Cull Canyon is next to Canyon Middle School.


100k last aid total distance Notes
Start 0 0  driving directions
Bellhurst Ln 4.2 4.2
Chabot Staging 4 8.2  driving directions
Lake Chabot 4.5 12.7 Drop Bags / driving directions
Grass Valley 4 16.7  driving directions
Bort Meadow 2.1 18.8  driving directions
Big Bear 2.6 21.4
Skyline Gate 4.4 25.8 Drop Bags/Pacers driving directions
Sibley 2.9 28.7
Steam Trains (Tilden) 3.3 32 2pm hard cutoff
Sibley 3.3 35.3
Skyline Gate 2.9 38.2 Drop Bags/Pacers
Big Bear 4.4 42.6
Bort Meadow 2.6 45.2
Grass Valley 2.1 47.3
Lake Chabot 4 51.3 Drop Bags/Pacers   6:30 hard cutoff
Chabot Staging 4.5 55.8 7:25 hard cutoff
Bellhurst Ln 4 59.8 8:30 hard cutoff
Finish 2.6 62.4