Sisyphus Ultra Challenge

Important Dates and Times for 2021


Camping on the course : Fri, Jul 9 5PM - Course Closure

Check In/Bib Pick Up : Fri, Jul 9, 6PM-7PM

Check In/Bib Pick Up : Sat, Jul 10, 6AM-7AM

Race Briefing : Sat, Jul 10, 6:45AM

Challenge start : Sat, Jul 10, 7AM

Things to know


    Challenge participants will be provided a minimal, yet sufficient, area near the start for a chair and a bag or small ice chest. Crew will have a separate area to set up across from the participants.



  1. Each loop starts precisely 1 hour after the last
  2. Participants must be in the starting corral at the bell
  3. All competitors must start at the bell (no late starts)
  4. Except for restrooms, competitor may not leave the course until each loop is completed
  5. No non-competitors on the course (including eliminated runners)
  6. No personal aid during a loop (common aid stations are allowed)
  7. Each loop must be completed within an hour to be counted… including the final lap.
  8. No artificial aids (including trekking poles)
  9. Slower runners must allow passes
  10. The winner is the last person to complete a loop
  11. If no runner can complete one more loop than anyone else, there is no winner