Info
“Legends Never Die” Half Marathon & Ultra Marathon (55K)
Date: October 4, 2025
Location: Oregon Gulch, Ketchum, Idaho
Capacity 300
Experience the Vibrant Colors of Fall in Sun Valley
Prepare to be captivated by the explosion of autumn colors and breathtaking mountain vistas on this scenic, challenging course. Join us to conquer Idaho’s beautiful backcountry on single-track trails that lead you through the rugged, inspiring landscapes of Sun Valley.
Half Marathon (13.1 miles):
• Elevation: 7,600 ft at the high point
• Elevation Gain/Loss: 2,372 ft
Description: This course follows the Big Wood River before ascending on the Oregon Fox Connector trail. Runners loop around for a fast, thrilling finish.
Ultra Marathon (34 miles/55K):
• Elevation: 8,650 ft at the high point
• Elevation Gain/Loss: 7,000 ft
Description: The ultra course builds on the half marathon route, adding a loop around Fox Peak and extending toward Easley Hot Springs. Expect rugged climbs, forested trails, and stretches of open alpine terrain.
“No one said it was going to be easy!”
Supporting Local Causes:
This event proudly supports Sun Valley Ski Education Foundation, Wood River Trails Coalition, Higher Ground, and Soles4Souls.
Event Highlights:
• Aid Stations: Stocked by Atkinsons Market, with Tailwind, water, and a variety of fuel to keep you going.
• Official Lodging Partner: Limelight Hotel – enjoy discounted rooms and prizes.
• Finish Line Celebrations: Sawtooth Brewery will provide complimentary Beer, Sun Valley Kombucha, and Atmos NA Beer
• Race Photos: Courtesy of Smiley’s Mountain Photo, all race and finisher photos are free for participants.
• Prizes and Awards: Generously provided by Lululemon, Vimazi, and Sturtevants.
Staggered Starts for a Smooth Flow:
To optimize the experience on the trail, runners will be assigned start times based on pace, which will be finalized once registration closes.
For full details and registration, visit: www.suffer-fest.com
Ready to Conquer the Challenge? LET’S GO!
Event's current local time: 1:52 PM MT