RunRace USA › Idaho › Fall Creek Beast
Fall Creek Beast
Swan Valley, Idaho · Saturday, October 31, 2026 · 50K, Half Marathon
Official race page & registration ↗Fall Creek Beast takes place on Saturday, October 31, 2026 in Swan Valley, Idaho. The race offers 2 distances: 50K, Half Marathon. For anyone travelling in, Idaho Falls is about 33 miles away.
It is one of 5 races on the Idaho calendar that October. The 50K is rare in Idaho: only four races on the calendar offer it.
- Date
- Saturday, October 31, 2026
- Location
- Swan Valley, Idaho
- Distances
- 50K, Half Marathon
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Swan Valley: check in Oct 30, out Nov 1.
Common questions
When is Fall Creek Beast?
Fall Creek Beast is scheduled for Saturday, October 31, 2026.
Where is Fall Creek Beast held?
Fall Creek Beast is held in Swan Valley, Idaho. It is about 33 miles from Idaho Falls.
What distances does Fall Creek Beast offer?
The listed distances are 50K, Half Marathon.
How do I register for Fall Creek Beast?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- Nov 26Teton Valley Pig TrotVictor, ID
- Nov 26Rigby Lake Turkey TrotRigby, ID
- Jan 8Dizzy Horse, A Winter Backyard UltraIdaho Falls, ID
- Nov 26Upper Valley Turkey Trot 2026Rexburg, ID
- Oct 23Haunted Half Marathon and 5k by Run the UndergradRexburg, ID
See every race on the Idaho calendar, Idaho Half Marathons, Idaho Ultras, or use the Race Finder for maps and filters.