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Fourmidable

Auburn, United States • 21 Feb 2026

Event details

FOURmidable is a trail running event in Auburn, CA, scheduled for Saturday, Feb 21, 2026. The listed venue address is 298 Pacific Ave. Distances offered are:

  • 50K
  • 35.5K
  • 1/2 Marathon
  • 13K

The course runs on trails in the Sierra Nevada foothills and is described as rugged. Registration closes on Thu, Feb 19 at 11:59 PM PT.

Prizes and course records

Prize money for 2026 will be funded by runner donations and matched 100% by the organizer up to $3,000. The pooled money will be divided equally between genders; within each gender pool, payouts are allocated 50% to first place, 30% to second place, and 20% to third place. An additional $500 will be awarded to the first runner who breaks the current course record in each gender for the 50K. Current 50K course record times listed are 3:29:31 (male) and 4:06:58 (female). Visit the organization's website for the most recent information.

United States California Auburn

Race information

Website Registration
50 km
50k
36 km
35.5k
Half Marathon
1/2 Marathon
13 km
13k
Visit the organization's website for the most recent information.
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