Interested in becoming part of the Castle Peak 100k Family? Email us here?
The 2021 Castle Peak 100k is presented by and produced by the Donner Party Mountain Runners, a 501(c)(3) non-profit running club.
We also receive substantial support from Donner Ski Ranch and all of our generous land partners.
Castle Peak 100k on-course nutrition is provided by our sponsor:
Thank you to our Sponsors!
