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 is an annual trail running event held at Red Lodge Mountain Resort in Red Lodge, Montana. Featuring a challenging course with significant elevation gain, the race includes solo half marathon, full marathon, a hot lap of about 4.3 miles, and relay options for teams of 2..

The AIDSPIRIT USA Marathon, held in Harlowton, Montana, is a scenic race starting in the Little Belt Mountains within Lewis & Clark National Forest and finishing in historic Harlowton. The event features a full marathon, half marathon, 10K run, and 5K fun run, all on compacted, calcium chloride-trea..

September 2025

The Quitcherbitchen' Trail Run, held at Phipps Diamond X Park west of Billings, Montana, offers trail running and walking events for all skill levels. Participants can choose from 2, 4, 6, or 8-mile courses, each well-marked and supported by volunteers. The 2-mile course suits beginners, while longe..

Rock the Run! 5K at Pompey's Pillar is a scenic running event held in Pompeys Pillar, Montana. The race offers a 5K course that caters to runners of all levels, from competitive athletes to those enjoying a casual jog. Participants experience the natural beauty of the area while running through pict..