Idaho · 50K/Venti · 25K/Grande · 10k/Tall
Harriman Trail Runs
Harriman Trail Runs is a 50K/Venti, 25K/Grande, 10k/Tall and 1k/Short event held in Island Park, Idaho. It was last held on August 15, 2026 and is usually run in August; the next date hasn't been announced yet. About 44 runners take part across all distances.
- Usually held
- August
- Location
- Island Park, ID
- Field size
- ~44 runners
Race details
- Last held
- August 15, 2026
- Usually held in
- August
- Location
- Island Park, Idaho
- Distances
- 50K/Venti, 25K/Grande, 10k/Tall, 1k/Short
- Field size
- About 44 runners
- Registration
- ultrasignup.com
Registration, course & weather
- Start time
- 7:00 AM MDT
- Course profile — 50K
- Loop course; Trail surface
- Course profile — 1K
- Loop course; Trail surface
About the Harriman Trail Runs
Harriman Trail Runs in Island Park, ID.
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Harriman Trail Runs: common questions
- When is the Harriman Trail Runs?
- The next date hasn't been announced in the listing yet. The race is usually held in August. Check the organiser's website for the official date.
- Where is the Harriman Trail Runs held?
- In Island Park, Idaho.
- What distances does the Harriman Trail Runs offer?
- 50K/Venti, 25K/Grande, 10k/Tall and 1k/Short.
- How many people run the Harriman Trail Runs?
- About 44 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Harriman Trail Runs?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- What time does the Harriman Trail Runs start?
- 7:00 AM MDT.
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