Race Start End City State
Kickin Assphault Half Marathon, 10k, 1 Mile run/walk, 1/2 mile Kid's Dash May. 31, '26 May. 31, '26 Great Falls MT REGISTER
HEAT Meet May. 28, '26 May. 28, '26 Helena MT REGISTER
Trail Running + Pollinator Science: MTC x Xerxes May. 30, '26 May. 30, '26 Missoula MT REGISTER
Annual Fun Run for Charities Sep. 5, '26 Sep. 5, '26 Red Lodge MT REGISTER
Art on the Run May. 2, '26 Jun. 2, '26 Missoula MT REGISTER
Rim Runner Trail Trek Sep. 9, '26 Sep. 9, '26 Billings MT REGISTER
Little Buzz Run Sep. 18, '26 Sep. 18, '26 Billings MT REGISTER
Stillwater Run and Ride (previously Scavenger Hunt & 5K/10K) May. 16, '26 May. 16, '26 Columbus MT REGISTER
Healthy Tribes: Run on the Rims Sep. 12, '26 Sep. 12, '26 Billings MT REGISTER
The Last Best Beer Run and 5k May. 16, '26 May. 16, '26 Billings MT REGISTER
5K Brew Run at Outlaw Brewing May. 13, '26 May. 13, '26 Bozeman MT REGISTER
Rims To River 8K May. 6, '26 May. 6, '26 Billings MT REGISTER
Rock the Run 5k and 1Mile/Walk Fun Run Sep. 13, '26 Sep. 13, '26 Billings MT REGISTER
Montana Marathon Sep. 20, '26 Sep. 20, '26 Billings MT REGISTER
The Petra Classic 5K May. 22, '26 May. 22, '26 Bozeman MT REGISTER
MMIP Solidarity Run May. 3, '26 May. 3, '26 Missoula MT REGISTER
Bozeman Half Marathon & 10K Sep. 13, '26 Sep. 13, '26 Bozeman MT REGISTER
Montana Gravel Challenge May. 1, '26 May. 3, '26 Huson MT REGISTER
Whitefish Marathon, Half Marathon & 5K Presented by Hammer Nutrition May. 16, '26 May. 16, '26 Whitefish MT REGISTER
Sentinel Hill Climb May. 6, '26 May. 6, '26 Missoula MT REGISTER
Yellowstone Gateway 30K Sep. 20, '26 Sep. 20, '26 Pray MT REGISTER
Homesteader 6hr at Marshall Mountain May. 30, '26 May. 30, '26 Missoula MT REGISTER
Marshall Mountain Revival Trail Runs May. 16, '26 May. 16, '26 Missoula MT REGISTER
John Colter Run Sep. 19, '26 Sep. 19, '26 Three Forks MT REGISTER
5K Brew Run at SunRift May. 6, '26 May. 6, '26 Kalispell MT REGISTER
18th Annual Night Owl Run Sep. 11, '26 Sep. 11, '26 Livingston MT REGISTER
Beaverhead Marathon Full & Half May. 23, '26 May. 23, '26 Dillon MT REGISTER
Missoula MTB Bike League May. 10, '26 Jun. 24, '26 Missoula MT REGISTER
Billings Skyline Races May. 31, '26 May. 31, '26 Billings MT REGISTER
Pack the Place in Pink Presents Lewistown Chokecherry Run Sep. 12, '26 Sep. 12, '26 Lewistown MT REGISTER