Running Races in Montana — 2026

There are 147 running races in Montana in 2026 across 55 cities. The next upcoming race is the IBEX Summer Training in Missoula on June 19. Popular distances include 5K races, trail runs, half marathons.

The Divide Trail Race

Sat, Jul 25 · Butte, MT Butte

Trail Saturday 25KSaturday 50K

From $70 Open

Register →

4 Miles to Freedom Bigfork

Sat, Jul 25 · Bigfork, MT Bigfork

Road 4 Miles to Freedom Open

From $40 Open

Register →

Headwaters Bank Run

Sat, Jul 25 · Three Forks, MT Three Forks

Road 5k Run/Walk10k Run/Walk1/2 Marathon

From $30 Open

Register →

Flathead Lake Run

Sun, Jul 26 · Lakeside, MT Lakeside

Road 1 Mile Kids RunFlathead Lake 5kFlathead Lake 10K

From $24 Open

Register →

Headwaters Relay 2026

Fri, Jul 31 · Bozeman, MT Bozeman

Road Headwaters Relay Full Team 2026Headwaters Relay Ultra Team 2026

From $1000 Open 3 spots left

Register →

Quitcherbitchen' Trail Run

Sat, Aug 1 · Billings, MT Billings

Trail QTR 2.5miQTR 2.5mi (Under 13 years old)QTR 4mi +5

From $30 Open 60 spots left

Register →

Yellowstone Trail Races

Sat, Aug 1 · West Yellowstone, MT West Yellowstone

Road Saturday 10KSaturday 1/2 MarathonSaturday Marathon

From $50 Open

Register →

Last Herron Standing- Backyard Ultra

Sat, Aug 1 · Kalispell, MT Kalispell

Trail Kids fun runLast Herron Standing- Backyard ultra- Team relayLast Herron Standing- Backyard ultra- Solo

From $10 Open

Register →

The Rut Training Runs (All Distances)

Sat, Aug 1 · Big Sky, MT Big Sky

Road Rut Training Runs (All Distances)

From $30 Open

Register →

Robert's Run

Sat, Aug 1 · Hamilton, MT Hamilton

Virtual 1 Mile5K10K +3

From $29 Open

Register →

3rd in Annual Love for Lexy's Color Run

Sat, Aug 1 · Billings, MT Billings

Virtual 3rd Annual Love for Lexys Color Run and best costume/dressedVirtual-3rd Annual Love for Lexys Color Run and best costume/dressed

From $40 Open

Register →

YFC Seeley Lake Challenge Triathlon/Duathlon

Sat, Aug 1 · Seeley Lake, MT Seeley Lake

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

From $25 Open Closing Soon

Register →

Judith Mountain 10K

Sat, Aug 1 · Lewistown, MT Lewistown

Trail 6K HIKE ONLY10K Trail Run

From $35 Open 30 spots left

Register →

Sweet Pea Children's Run - 2026

Sat, Aug 8 · Bozeman, MT Bozeman

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

From $10 Open

Register →

Blacktail Balderdash

Sat, Aug 8 · Lakeside, MT Lakeside

Green CourseBlue CourseBlack Course

From $35 Open

Register →

Prospector's 50k | 30k

Sat, Aug 8 · Cooke City, MT Cooke City

Trail 30k50kFully Cooked

From $80 Open

Register →

Quality of Life Run 2026

Sat, Aug 8 · Billings, MT Billings

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

From $25 Open

Register →

Smelter City Scamper

Sat, Aug 8 · Anaconda, MT Anaconda

Road 5K Run or Walk10K Run1/2 Marathon

From $25 Open

Register →

4th Annual Swift Bear Trail Run

Sat, Aug 8 · Hays, MT Hays

Trail 10 Mile Run20 Mile Run50K

From $20 Open

Register →

Swim The Fish 2026

Sat, Aug 8 · Whitefish, MT Whitefish

Virtual 1/2 mileVirtual One Mile Swim the Fish1 mile +1

From $35 Open

Register →

Snowbowl 15K

Sat, Aug 8 · Missoula, MT Missoula

Trail Snowbowl 15K

From $55 Open

Register →

The Sweet Pea Run

Sat, Aug 8 · Bozeman, MT Bozeman

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

From $20 Open

Register →

Lost Trail Bike Fest & Shuttle Extravaganza

Fri, Aug 14 · Sula, MT Sula

Solo Shuttle Ticket (Advanced and Intermediate Options)Youth Dinner-Only Tickets ($10 ages 5-11, $20 ages 12-17)Adult Dinner-Only Ticket

From $10 Open

Register →

WICKED FAST MARATHON & HALF MARATHON MONTANA

Sat, Aug 15 · Livingston, MT Livingston

Road VIP "UNDER CANVAS DELUXE ROOM PACKAGE" includes Full or Half Marathon entryWicked Fast Half Marathon MontanaWicked Fast Marathon Montana +1

From $89 Open 8 spots left

Register →

Cedar Flats Trail Trot

Sat, Aug 15 · Columbia Falls, MT Columbia Falls

Road Cedar Flats Trail Trot

From $40 Open 80 spots left

Register →

Nitty Gritty Off Road Race

Sun, Aug 16 · Red Lodge, MT Red Lodge

Trail Hot LapSolo Half MarathonMarathon Relay - 2 people +5

From $25 Open

Register →

The Augúst - Montana's Second Oldest Footrace

Thu, Aug 20 · Helena, MT Helena

Trail 5k Youth (0-19)5k Adult (20+)

From $10 Open

Register →

Dog Days ULTRA

Sat, Aug 22 · Missoula, MT Missoula

Ultra 24 Hour Solo6 Hour Solo3 Hour Solo +2

From $90 Open

Register →

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

Register →

18th Annual Canine Classic at Paws Up

Sat, Aug 22 · Greenough, MT Greenough

Virtual 2-Mile5-MileHalf-Marathon +5

From $35 Open 50 spots left

Register →

Runnin' & Gunnin' - A Run For Recovery

Sat, Aug 29 · Bozeman, MT Bozeman

1 Mile5k10k

From $20 Open

Register →

Amplify! Operation Juliet 5K

Sat, Aug 29 · Bozeman, MT Bozeman

Road Amplify! Operation Juliet 5K

From $40 Open

Register →

Yellowstone Hustle

Sat, Aug 29 · Billings, MT Billings

Road Kids 1 mile Run5K Run10K Run

From $15 Open

Register →

Annual Fun Run for Charities

Sat, Sep 5 · Red Lodge, MT Red Lodge

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

From $0 Open

Register →

AIDSPIRIT USA Marathon

Sun, Sep 6 · Harlowton, MT Harlowton

Road 5K Fun Run10K Run1/2 Marathon +1

From $35 Open Closing Soon

Register →

Rim Runner Trail Trek

Wed, Sep 9 · Billings, MT Billings

Road Trail Trek 5K

From $20 Open

Register →

5K Brew Run & Shakeout

Fri, Sep 11 · Bozeman, MT Bozeman

Road 5K Brew Run & Shakeout

From $10 Open

Register →

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

Register →

Big Bear Stampede

Sat, Sep 12 · Gardiner, MT Gardiner

Trail 5k walk (untimed)5k run9k run

From $30 Open

Register →

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

Register →

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

Register →

Run For Her 5K/10K

Sat, Sep 12 · Billings, MT Billings

Virtual Virtual 5K RunRun for Her 5KRun for Her 10K +1

From $35 Open

Register →

Rock the Run! 5K at Pompey's Pillar and Mile Walk/Run

Sun, Sep 13 · Pompeys Pillar, MT Pompeys Pillar

Trail Walk/RunRock the Run 5K!

From $20 Open

Register →

Bozeman Half Marathon & 10K

Sun, Sep 13 · Bozeman, MT Bozeman

Road 10KHalf Marathon

From $50 Open

Register →

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

Register →

John Colter Run

Sat, Sep 19 · Three Forks, MT Three Forks

Trail John Colter Run

From $60 Open

Register →

Yellowstone Gateway 30K

Sun, Sep 20 · Pray, MT Pray

Trail Yellowstone Gateway 30K

From $65 Open

Register →

Montana Marathon

Sun, Sep 20 · Billings, MT Billings

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

From $30 Open

Register →

Hiawatha Fall Trail Run

Sat, Sep 26 · Taft, MT Taft

Trail 10KHalf MarathonMarathon +2

From $45 Open

Register →

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 20 spots left

Register →