Trail Running calendar near Boise 2025-2026

The Dirty Dog Trail Marathon and Half Marathon, held in Boise, Idaho, takes place on the scenic Ridge to Rivers Trail System in the Boise foothills. Now in its ninth year, the marathon features a challenging course with significant climbs and fast descents on single-track trails. A special highlight..

The Owyhee 50/50 Night Run is a nighttime ultramarathon event held near Homedale, Idaho, featuring 50-mile and 50-kilometer distances. The race starts at 8 PM and runs through the night, with runners finishing the following morning. The course is an out-and-back route on dirt county roads, Bureau of..

The Boise Front Trail Festival is a running event scheduled for August 2, 2025, at Bogus Basin Ski Resort in Boise, Idaho. Participants can choose between two courses: a 5-mile and a 10-mile run. This festival not only promotes fitness and outdoor activity but also supports a charitable cause, as pr..

The Foothills XC12K is an exciting cross-country running event scheduled for August 23, 2025, in Boise, Idaho. Participants can choose between two courses: a challenging 12K and a shorter 5K, both set against the stunning backdrop of the Boise Foothills. The race starts at the Military Reserve, offe..

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 return to the starting corral at the top of..

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..

The Wilson Creek Frozen 50K is a winter running event set in the picturesque Wilson Creek trail system, located 30 minutes south of Nampa, Idaho. Scheduled for January 24, 2026, this race features three distance options: a challenging 50K, a 20-mile loop with 4,500 feet of elevation gain, and a 10-m..