Trail Running calendar near Billings 2025-2026

We have found 4 Trailruns within 80 miles of Billings. See below where and when you can find the races.

The Nitty Gritty Off Road Race, taking place at Red Lodge Mountain Resort, is a challenging marathon event known for its rugged terrain and significant elevation gain. Scheduled for August 17, 2025, this race offers various formats including a Solo Half Marathon, Solo Marathon, and multiple relay op..

The AIDSPIRIT USA Marathon, scheduled for August 31, 2025, in Harlowton, Montana, features a variety of running events including a Full Marathon, Half Marathon, 10K Run, and a 5K Fun Run. The race route offers stunning views as it descends from the Little Belt mountains to the historic town, primari..

September 2025

The Quitcherbitchen' Trail Run is an inclusive running event taking place at Phipps Diamond X Park in Billings, Montana. Scheduled for September 6, 2025, it features multiple race distances: 2 miles, 4 miles, 6 miles, and 8 miles, catering to both novice and experienced runners. Participants can enj..

The Rock the Run! 5K at Pompeys Pillar is an exciting running event scheduled for September 14, 2025. This race is designed for participants of all skill levels, offering a scenic route through the beautiful landscapes of Pompey's Pillar. Runners can expect a blend of challenge and enjoyment, whethe..