Idaho Trail Running Calendar 2025-2026

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Explore the best trail runs in Idaho for 2025-2026! Our updated list features 25 exciting races across the state. Find your next race in Idaho below and join the running community at these great events!

September 2025
Sep
20
Saturday

Race the Rocks

Trail Run 50 km
Sep
20-21
Sa - Su

Idaho Mountain Trail Ultra Festival (IMTUF 100)

Trail Run 20 mi 100 mi
Sep
27
Saturday

Bogus 50/50

Trail Run 27 km 50 km 50 mi
October 2025
Oct
4
Saturday

Legends Never Die

Trail Run 13 mi 55 km
Oct
11-12
Sa - Su

Sasquatch Shuffle

Trail Run 20 km 30 km 50 km
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