Race calendar

Ultra Races in Montana

22 upcoming Ultra races across Montana. Run This events are listed first — pick a city below to narrow it down.

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Cities in MontanaRed Lodge West Yellowstone

22 races

Fri, Aug 7, 2026

Prospector's 50k | 30k

Cooke City, MT

Outside32.0 mi18.7 mi49.7 mi

Fri, Aug 7, 2026

4th Annual Swift Bear Trail Run

Hays, MT

Outside10.0 mi20.0 mi31.1 mi

Fri, Aug 14, 2026

Rough Cut MTB

Red Lodge, MT

Outside50.0 mi25.0 mi4.0 mi

Sun, Aug 16, 2026

Beartooth La Femme

Red Lodge, MT

Outside62.0 mi

Thu, Aug 20, 2026

BIG SKY BIGGIE

Big Sky, MT

Outside50.0 mi30.0 mi15.0 mi1 mile

Fri, Aug 28, 2026

Bike for Better Tomorrows

Bozeman, MT

Outside37.0 mi22.0 mi12.5 mi5.5 mi

Sat, Aug 29, 2026

Big Sky Gravel

Red Lodge, MT

Outside22.0 mi50.0 mi100.0 mi

Thu, Sep 10, 2026

The Rut Mountain Runs

Big Sky, MT

Outside50.6 mi30.3 mi17.8 mi13.3 mi

Fri, Sep 11, 2026

Blood Sugar Rumbler

Helena, MT

Outside50.0 mi26.0 mi

Fri, Sep 25, 2026

Golden Gravel Grinder

Virginia City, MT

Outside85.0 mi40.0 miMarathon

Fri, Oct 2, 2026

Whitefish Trail Blazer

Whitefish, MT

Outside31.1 miMarathon6.8 mi3.4 mi

Sat, Oct 3, 2026

Wolf Creek Canyon Relay

Wolf Creek, MT

Outside28.0 mi

Fri, Oct 9, 2026

Le Grizz Ultramarathon & Relay

Polebridge, MT

Outside50.0 mi9.3 mi5K

Sat, Oct 17, 2026

CITY TO SKY

Missoula, MT

Outside33.0 mi17.0 mi

Sat, Jun 5, 2027

Hiawatha Spring Trail Run

Taft, MT

Outside31.1 mi15.5 mi9.3 mi10K

Thu, Jul 8, 2027

175-mile Pioneer Crossings Relay Race

Twin Bridges to Virginia City, MT

Outside175.0 mi

Fri, Jul 9, 2027

Yellowstone Park Trail Races

West Yellowstone, MT

OutsideMarathon31.1 mi15.5 mi10K

Fri, Jul 9, 2027

Montana Trail Series

West Yellowstone, MT

OutsideMarathon31.1 mi15.5 mi10K

Fri, Jul 16, 2027

Bob Marshall Trail Races

Seeley Lake, MT

Outside31.1 mi15.5 miMarathon10K

Fri, Jul 16, 2027

Butte 100 MTB Race

Butte, MT

Outside104.1 mi54.6 mi29.6 mi

Fri, Jul 30, 2027

Yellowstone Park Trail Races

West Yellowstone, MT

OutsideMarathon10K5K31.1 mi

Fri, Sep 24, 2027

The Divide Trail Race

Butte, MT

Outside31.1 mi15.5 miMarathon

Ultra races by city in Montana

Red Lodge3 West Yellowstone3