Trail Running calendar near Boise 2025-2026

We have found 5 Trailruns within 80 miles of Boise. See below where and when you can find the races.

The Foothills XC12K is a cross-country running event held in Boise, Idaho, at the Military Reserve located at 750 Mountain Cove Road. Scheduled for August 23, 2025, the race offers two distances: a challenging 12K and a 5K course. Participants will experience scenic trails through the Boise Foothill..

September 2025

If You're Not First You're Last is a unique endurance running event held in Eagle, Idaho, featuring a challenging 4.167-mile loop course. The race tests participants' stamina and grit rather than speed, as runners must complete each loop within an hour and be ready to start the next loop on the hour..

The Crater Crawl will take place in Mountain Home on Saturday 13 September 2025. You can run 6 miles.

The Bogus 50/50 is a trail running event held in Boise, Idaho, featuring three distances: a challenging 50 Mile ultra, a 50K, and a 27K race. All courses start and finish at the Fort Boise parking lot in the lower Boise Foothills, showcasing some of the region's best single-track trails, including D..

January 2026

The Wilson Creek Frozen 50k is a challenging winter trail running event held near Melba, Idaho, about 30 minutes south of Nampa. Set on the scenic Wilson Creek trail system, the race features a 50k distance combining two loops—a 20-mile loop with 4,500 feet of elevation gain and a 10-mile loop with..