An artisanal trail experience in Idaho’s wilderness
Overview
The Harriman Trail Races deliver a trail running experience that feels handcrafted for adventure seekers. Set in the wild beauty of Island Park, Idaho, this event combines the serenity of quiet forests and sweeping meadows with the thrill of challenging, scenic singletrack. Wildlife sightings, panoramic views of the Teton Mountains, and the flowing Henry’s Fork River make this an unforgettable race environment.
Now in its ninth year, Harriman has earned a reputation for its thoughtfully curated vibe, gourmet-style aid station, and the camaraderie of a tight-knit trail running community. Whether you are chasing a new distance, doubling back for the 50K, or taking on the speedy 8.1 miles, the Harriman Trail Run promises trails that are as joyful as they are rewarding. After the finish, join fellow runners along the river for food, drinks, and celebration.
Course
Smooth, pine-covered single-track with rolling terrain and scenic meadows
Wildlife sightings and panoramic views of the Teton Mountains
Distances
8.1 Miler — shortened version of the main loop
25K — single loop showcasing Harriman’s diverse terrain
50K — two loops of the 25K course for maximum immersion
Getting There
Driving Directions
Requirements
850
Policies
Race Policies
Refunds only if race is full and waitlist can replace your spot (up to 30 days prior)
No rollovers or transfers
No race-day registration if sold out
Bring your own hydration solution
Land Acknowledgement
The race takes place on the ancestral lands of the Shoshone-Bannock people, who have stewarded these lands for generations.
About Buffalo Run Adventures
Buffalo Run Adventures (BRA) is a Utah-based trail and ultrarunning race organizer known for its down-to-earth attitude, unforgettable locations, and laid-back vibe. With the motto Home Grown Free Range Running, BRA doesn’t just organize races—they curate experiences for runners who love trails, community, and a bit of irreverence.
Led by longtime ultrarunner Jim Skaggs, BRA is proudly anti-corporate and deeply rooted in the quirky, DIY culture of trail running. Their events offer challenging courses in beautiful settings like Antelope Island, Harriman State Park, and the Logan Peak wilderness, but without the pretense or commercialization often found in bigger race series. BRA events are well-organized, welcoming, and—true to their word—not taken too seriously.
With BRA, you’re guaranteed a memorable run that’s equal parts challenge and charm. Whether you’re chasing your first 50K or just in it for the views and stew, Buffalo Run Adventures invites you to show up, run wild, and not take it all too seriously.
Disclaimer
We make every effort to provide accurate and up-to-date information on Kåduka, but details may change. Please always confirm the latest information on the official race website. See something that needs correcting? Send us a note at [email protected]