5K Races in Montana 2026 | Upcoming Races & Dates

Flathead Lake Run

Sun, Jul 26 · Lakeside, MT Lakeside

1 Mile Kids RunFlathead Lake 5kFlathead Lake 10K

From $24 Open Closing Soon

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YFC Seeley Lake Challenge Triathlon/Duathlon

Sat, Aug 1 · Seeley Lake, MT Seeley Lake

Kids Triathlon - 8 and underKids Triathlon - 9-12Solo Mini Swim - 150 yds +6

From $25 Open

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Robert's Run

Sat, Aug 1 · Hamilton, MT Hamilton

1 Mile5K10K +3

From $29 Open

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3rd in Annual Love for Lexy's Color Run

Sat, Aug 1 · Billings, MT Billings

3rd Annual Love for Lexys Color RunVirtual-3rd Annual Love for Lexys Color Run

From $40 Open

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Smelter City Scamper

Sat, Aug 8 · Anaconda, MT Anaconda

5K Run or Walk10K Run1/2 Marathon

From $25 Open

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Sweet Pea Children's Run - 2026

Sat, Aug 8 · Bozeman, MT Bozeman

Children's Run - City of Bozeman ResidentChildren's Run - Non-Resident

From $10 Open

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The Sweet Pea Run

Sat, Aug 8 · Bozeman, MT Bozeman

The Sweet Pea Run 5K5k HandcycleThe Sweet Pea Run 10K

From $20 Open

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Quality of Life Run 2026

Sat, Aug 8 · Billings, MT Billings

2 mile run5 mile runT-shirt Division (non-participant)

From $25 Closed

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Swim The Fish 2026

Sat, Aug 8 · Whitefish, MT Whitefish

1/2 mile1 mileVirtual One Mile Swim the Fish +1

From $35 Open Closing Soon

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Blacktail Balderdash

Sat, Aug 8 · Lakeside, MT Lakeside

Green CourseBlue CourseBlack Course

From $35 Open

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5K Brew Run at Bridger Brewing

Wed, Aug 12 · Bozeman, MT Bozeman

5K Brew Run

From $10 Closed

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18th Annual Canine Classic at Paws Up

Sat, Aug 22 · Greenough, MT Greenough

2-Mile5-MileHalf-Marathon +5

From $35 Open 50 spots left

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Race Montana Triathlon and Duathlon 2026

Sat, Aug 22 · Great Falls, MT Great Falls

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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Annual Fun Run for Charities

Sat, Sep 5 · Red Lodge, MT Red Lodge

David & Cheryl Whitcomb's 2 mileMKC Family 5kBeartooth Market 10K

From $0 Closed

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AIDSPIRIT USA Marathon

Sun, Sep 6 · Harlowton, MT Harlowton

5K Fun Run10K Run1/2 Marathon +1

From $35 Open

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Rim Runner Trail Trek

Wed, Sep 9 · Billings, MT Billings

Trail Trek 5K

From $20 Open

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5K Brew Run & Shakeout

Fri, Sep 11 · Bozeman, MT Bozeman

5K Brew Run & Shakeout

From $10 Open

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18th Annual Night Owl Run

Fri, Sep 11 · Livingston, MT Livingston

Night Owl Run 4.06 Mile Run/WalkKids (12 and under) Night Owl Run 4.06 Mile Run/Walk

From $20 Closed 81 spots left

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Healthy Tribes: Run on the Rims

Sat, Sep 12 · Billings, MT Billings

Healthy Tribes: Run on the RimsHealthy Tribes: Run on the RimsHealthy Tribes: Run on the Rims

Closed

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Run For Her 5K/10K

Sat, Sep 12 · Billings, MT Billings

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

From $35 Closed

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Pack the Place in Pink Presents Lewistown Chokecherry Run

Sat, Sep 12 · Lewistown, MT Lewistown

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

From $10 Closed

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

Sun, Sep 13 · Billings, MT Billings

Rock the Run1 Mile/WalkRock the Run 5k

From $25 Open

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Montana Marathon

Sun, Sep 20 · Billings, MT Billings

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

ZooTown STRONGZooTown 3k - No M TrailTEAMS +5

From $0 Open 20 spots left

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Helena Sun Run

Sat, Oct 3 · Helena, MT Helena

1 mile Run/Walk5k Run/Walk

From $30 Closed

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CASA 0.5K "Run"

Sat, Oct 3 · Billings, MT Billings

CASA 0.5K "Run" (Ages 6-12) VIRTURAL OPTIONCASA 0.5K "Run" (Ages 6-12)CASA 0.5K "Run" (Ages 0-5) VIRTURAL OPTION +3

From $0 Closed

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Whitefish Trail Blazer

Sat, Oct 3 · Whitefish, MT Whitefish

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

From $10 Open

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Western Montana Dirt Derby

Sat, Oct 10 · Florence, MT Florence

1-dog Scooter1-Dog Bike-jor1-dog Canicross +3

From $40 Closed

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Le Grizz Ultramarathon & Relay

Sat, Oct 10 · Polebridge, MT Polebridge

5K Run15K Run50 Mile Ultramarathon +1

From $35 Open

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5K Brew Run at Après Brewing

Wed, Oct 14 · Bozeman, MT Bozeman

5K Brew Run at Après Brewing

From $10 Closed

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Just for the Helena of It

Sun, Oct 18 · Helena, MT Helena

Kids Mini MileVirtual 5K5K +4

From $35 Open 50 spots left

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Montana Cup

Sat, Oct 31 · Billings, MT Billings

Women Age 39 and under (included in overall results)Women Age 40 + (still included in overall results)Men Age 40 + (still included in overall results) +1

From $30 Closed

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