Welcome to the Beaverhead 100K and 55K Endurance Runs.

These races are true mountain races. The route is rugged and challenging over varied terrain all at high altitude. Those who participate, please be prepared. We want all to finish and enjoy this event, thus the 55K has liberal cutoffs, but you still need to be prepared.

When & Where

July 13, 2019
100K starts at 5:00 AM
55K starts at 7:00 AM

Race takes place near Salmon ID, Leadore ID, and Dillon MT. View Google Map

Recent News

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Runner Testimonials

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    "Rates as one of the ultras I'm most proud of. I can't recommend this race enough. It was amazing, and amazingly hard! "
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    "the most beautiful scenery I have encountered during a foot race! "
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    "My eyes just remembered how much they smiled through that run."
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    "Tough terrain but incredible scenery! I highly recommend this race in Salmon, ID! Very well marked, organized and supported!"

Race Overview


ITUSIdaho Trail Ultra Series

The Beaverhead is a 2016 Idaho Trail Ultra Series event. Run for awards and prizes. Visit the ITUS website for a list of all the series races and come join the fun! View the ITUS website →

Idaho 208

The Idaho 208 is back on.  Run the RONR 108K and Beaverhead 100K and receive a cool one-of-a-kind custom award at the Beaverhead finish line!!!!!!

Beaverhead-Elkhorn Challenge

Choose one of the following 2 options:

Ultimate Challenge: Finish the Beaverhead 100K and the HURL Elkhorn 50 mile. Earn the Ultimate Recognition Award. The award will be presented at the finish line of the HURL Elkhorn Endurance Runs.

Grand Challenge: Finish any other race distance combination from the Beaverhead Endurance Runs and the HURL Elkhorn Endurance Runs (100K-50K; 55K-50mile; or 55K-50K).  Earn the Grand Recognition Award. The award will be presented at the finish line of the HURL Elkhorn Endurance Runs.

Thanks to our Sponsors. Their support is critical to the success of the Beaverhead!!

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