RunRace USA › Idaho › Harriman Ultra Trail Runs
Harriman Ultra Trail Runs
Island Park, Idaho · Saturday, August 14, 2027 · 50K, 25K, 10K, 1K
Official race page & registration ↗Saves stay on this device. Calendar entries use the listed date; confirm your distance and start time with the organizer.
Harriman Ultra Trail Runs takes place on Saturday, August 14, 2027 in Island Park, Idaho. The race offers 4 distances: 50K, 25K, 10K, 1K. It is run on trail. For anyone travelling in, Rexburg is about 38 miles away.
It is one of 6 races on the Idaho calendar that August. The 50K is rare in Idaho: only three races on the calendar offer it.
- Date
- Saturday, August 14, 2027
- Location
- Island Park, Idaho
- Distances
- 50K, 25K, 10K, 1K
- Surface
- Trail
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Correct this listing.
Making a race weekend of it?
Stay near the start line in Island Park: check in Aug 13, out Aug 15.
Common questions
When is Harriman Ultra Trail Runs?
Harriman Ultra Trail Runs is scheduled for Saturday, August 14, 2027.
Where is Harriman Ultra Trail Runs held?
Harriman Ultra Trail Runs is held in Island Park, Idaho. It is about 38 miles from Rexburg.
What distances does Harriman Ultra Trail Runs offer?
The listed distances are 50K, 25K, 10K, 1K.
How do I register for Harriman Ultra Trail Runs?
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 14Riverside Park parkrunRiverside Park, ID
- Oct 23Haunted Half Marathon and 5k by Run the UndergradRexburg, ID
- Nov 26Upper Valley Turkey Trot 2026Rexburg, ID
- Apr 17Spitfire Ultra Trail ChallengeMenan, ID
- Nov 26Rigby Lake Turkey TrotRigby, ID
See every race on the Idaho calendar, Idaho 10Ks, Idaho Ultras, or use the Race Finder for maps and filters.