Trail Running calendar near Billings 2026-2027

We have found 8 Trailruns within 80 miles of Billings. See below where and when you can find the races.

The Red Lodge Randonnee will take place in Red Lodge from Friday 27 February 2026 to Saturday 28 February 2026.

April 2026

This unique winter race series in Billings features a staggered start format where everyone starts based on predicted pace. Four distinct distances take place from December to April. Points are awarded for each race, with cash prizes for th..

May 2026

The Billings Skyline Races feature a half marathon and 30K on the Rimrocks above the city. Runners follow paved trails with views of the Yellowstone Valley and Beartooth Mountains, finishing at Two Moon Park.

August 2026

A trail running event at Phipps Diamond X Park near Billings on August 1, 2026, with distances from 2 to 8 miles plus youth races. The event includes a $600 Oh Hell Bell cash giveaway, one aid station, awards, and support for local trails.

The Nitty Gritty Off Road Race at Red Lodge Mountain Resort offers tough, scenic loops on dirt roads and single track. Choose from solo marathons, half marathons, a hot lap, or a team relay. Expect steep climbs, no on course aid, and a welc..

September 2026

The Aidspirit USA Marathon features a fast, scenic route from the mountains to historic Harlowton on compacted gravel. All proceeds support children's care and education in Uganda, and finishers enjoy a local craft beer. Distances range fro..

The Rock the Run event features a 5k and a 1-mile fun run/walk at Pompey's Pillar National Monument. The 5k is RRCA-qualified, and registration supports the monument's preservation. It's a community event set for a September morning in Bill..

October 2026

Montana Cup is a team based cross country meet in Billings, Montana featuring men's and women's age divisions, residency based teams, and a 5k to 8k course over rough terrain. Teams compete for a traveling trophy and individual awards.