Running Races in Montana — 2026

There are 163 running races in Montana in 2026 across 58 cities. The next upcoming race is the Trail Running + Pollinator Science: MTC x The Xerces Society in Missoula on May 30. Popular distances include 5K races, trail runs, half marathons.

18th Annual Canine Classic at Paws Up

Sat, Aug 22 · Greenough, MT Greenough

Virtual 2-Mile5-MileHalf-Marathon +5

From $35 Open Closing Soon 50 spots left

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Race Montana Triathlon and Duathlon 2026

Sat, Aug 22 · Great Falls, MT Great Falls

Triathlon YOUTH Triathlon Short Course (50 METER SWIM / 1 MILE BIKE / 0.5 MILE RUN)YOUTH AND ADULT Team Triathlon Long Course (100 METER SWIM / 3 MILE BIKE / 1 MILE RUN)YOUTH AND ADULT Triathlon Long Course (100 METER SWIM / 3 MILE BIKE / 1 MILE RUN) +4

From $35 Open

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Amplify! Operation Juliet 5K

Sat, Aug 29 · Bozeman, MT Bozeman

Road Amplify! Operation Juliet 5K

From $40 Open

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Yellowstone Hustle

Sat, Aug 29 · Billings, MT Billings

Road Kids 1 mile Run5K Run10K Run

From $15 Open

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AIDSPIRIT USA Marathon

Sun, Sep 6 · Harlowton, MT Harlowton

Road 5K Fun Run10K Run1/2 Marathon +1

From $35 Open

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Rim Runner Trail Trek

Wed, Sep 9 · Billings, MT Billings

Road Trail Trek 5K

From $20 Open

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The Rut Mountain Runs

Fri, Sep 11 · Big Sky, MT Big Sky

Trail Kids 1K Runt RunLone Peak Vertical Kilometer11k +5

From $0 Open 70 spots left

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5K Brew Run & Shakeout

Fri, Sep 11 · Bozeman, MT Bozeman

Road 5K Brew Run & Shakeout

From $10 Open

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Run For Her 5K/10K

Sat, Sep 12 · Billings, MT Billings

Virtual Run for Her 5KVirtual 5K RunRun for Her 10K +1

From $35 Open

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Montana Veterans Memorial 4.06 mile Fun Run & Ruck

Sat, Sep 12 · Black Eagle, MT Black Eagle

Montana Veterans Memorial 4.06mile Fun Run & Ruck

From $25 Open

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Pack the Place in Pink Presents Lewistown Chokecherry Run

Sat, Sep 12 · Lewistown, MT Lewistown

Road 1 Mile Fun Run / Ages 13 & Older5K Walk Starts at Frank Day Park5K Run Starts at Frank Day Park +1

From $10 Open

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Bozeman Half Marathon & 10K

Sun, Sep 13 · Bozeman, MT Bozeman

Road 10KHalf Marathon

From $50 Open Closing Soon

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Rock the Run 5k and 1Mile/Walk Fun Run

Sun, Sep 13 · Billings, MT Billings

Road Rock the Run1 Mile/WalkRock the Run 5k

From $25 Open

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John Colter Run

Sat, Sep 19 · Three Forks, MT Three Forks

Trail John Colter Run

From $60 Open

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Yellowstone Gateway 30K

Sun, Sep 20 · Pray, MT Pray

Trail Yellowstone Gateway 30K

From $65 Open

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Montana Marathon

Sun, Sep 20 · Billings, MT Billings

Virtual 5K (3 Miles)10K (6 Miles)Half Marathon (13.1 Miles) +2

From $30 Open

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ZooTown Challenge Obstacle Course Race by VRTX Fitness @Washington-Grizzly Stadium, Missoula MT

Sat, Sep 26 · Missoula, MT Missoula

OCR ZooTown STRONGZooTown 3k - No M TrailNovice - Ready for the CHALLENGE 5k +6

From $0 Open Closing Soon 20 spots left

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Hiawatha Fall Trail Run

Sat, Sep 26 · Taft, MT Taft

Trail 10KHalf MarathonMarathon +2

From $45 Open

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Fierce Fab Women's Running Festival

Sun, Sep 27 · Missoula, MT Missoula

Road Fierce Fab Women's Running Festival

From $30 Open

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Helena Sun Run

Sat, Oct 3 · Helena, MT Helena

Road 1 mile Run/Walk5k Run/Walk

From $30 Open

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Whitefish Trail Blazer

Sat, Oct 3 · Whitefish, MT Whitefish

Virtual Virtual Race Option - Fun RunBlazer Family Fun RunVirtual Race Option - 5k+ +7

From $10 Open

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Back Roads Half & 10k

Sun, Oct 4 · Red Lodge, MT Red Lodge

Road 10kHalf Marathon

From $30 Open

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Wolf Creek Canyon Relay

Sun, Oct 4 · Wolf Creek, MT Wolf Creek

Road Four Person Relay TeamMilitary Relay Team8 person Relay Team +2

From $40 Open

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11 Miles to Paradise

Sun, Oct 4 · Paradise, MT Paradise

Trail 11 Miles to Paradise

From $75 Open

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Le Grizz Ultramarathon & Relay

Sat, Oct 10 · Polebridge, MT Polebridge

Ultra 5K Run15K Run50 Mile Ultramarathon +1

From $35 Open Closing Soon

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Just for the Helena of It

Sun, Oct 18 · Helena, MT Helena

Virtual Kids Mini Mile5KVirtual 5K +4

From $35 Open 50 spots left

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CITY TO SKY

Sun, Oct 18 · Missoula, MT Missoula

Trail City to Sky 25KCity to Sky 50K

From $145 Open

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Patriot Run

Sun, Nov 8 · Billings, MT Billings

Road 2k Run/Walk Youth 12 and under2k Run/Walk 13 and over5K Run/Walk

From $15 Open

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Burn The Bird 10k, 5k and 1.33 mile Fun Run/Walk

Thu, Nov 26 · Great Falls, MT Great Falls

Road 1.33 Mile5k10k

From $15 Open

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Red Lodge Event's Turkey Trot

Thu, Nov 26 · Red Lodge, MT Red Lodge

Open

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Sorry 'Bout That Half Marathon and Team Relay

Sat, Jan 16 · Polson, MT Polson

Road 1/2 Marathon3 Person Team Relay

From $35 Open Closing Soon

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