5 events in Gallatin County, Montana

From big races to Saturday morning group runs—find running, cycling, triathlon, and swimming events and connect with the local endurance sports community.

• River Road Marathon & Half Marathon [riverroadmarathon.com] [Register at runsignup.com]
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  Sun, Apr 19, 2026 at 8:00 AM

  Description

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  Come run the scenic gravel roads along the Gallatin River on the outskirts of Bozeman Montana. This course over looks the Gallatin Mountain range heading south towards Yellowstone National Park....

  Come run the scenic gravel roads along the Gallatin River on the outskirts of Bozeman Montana. This course over looks the Gallatin Mountain range heading south towards Yellowstone National Park.

  There will be a half marathon, 13.2 and marathon course, 26.2 marked with pink flags. This out and back course has 295ft of gain for the half marathon and 590ft of gain for the marathon.

  Three aid stations along the route providing snacks and drinks to keep you fueled.

  There will be prizes for male and female 1st, 2nd & 3rd. Sponsored by Skechers, Bell South Racing & Bozeman Brewing.

  There is a recommended donation of $20 for the Marathon and $10 for the Half Marathon

  River Road Course

  13.2 Miles 26.2 Miles Gravel Half Marathon Run

  Axtell Bridge, Gallatin County, Montana, 59718, United States
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• Old Gabe [winddrinkers.org] [Register at ultrasignup.com]
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  Sat, Jun 20, 2026 at 6:00 AM

  30k 50k Ultra

  Middle Cottonwood Trail, Gallatin County, Montana, United States
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• Devil's Backbone [instagram.com] [Register at ultrasignup.com] - Instagram
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  Sat, Jul 11, 2026

  Ultra

  Gallatin Mountain Range, Gallatin County, Montana, United States
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• Jim Bridger Trail Run [bridgerskifoundation.org] [Register at runsignup.com]
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  Sat, Jul 18, 2026 at 8:00 AM

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  A classic race in a classic place. Join us for the 33rd annual Jim Bridger Trail Run (10 miles) or the 5k fun run in beautiful Bozeman, Montana.

  10-MILE JIM BRIDGER TRAIL RUN: 8 a.m. start Saturday...

  A classic race in a classic place. Join us for the 33rd annual Jim Bridger Trail Run (10 miles) or the 5k fun run in beautiful Bozeman, Montana.

  10-MILE JIM BRIDGER TRAIL RUN: 8 a.m. start Saturday July 18, 2026. Features 2,838 feet of elevation gain through the beautiful foothills of the Bridger mountains. The course features a scenic loop starting near Sypes Canyon trailhead and continuing across private property only accessible on race day. Great climbs follow as you head up Middle Cottonwood with a water crossing, then continue across the Bridgers and back down Sypes Canyon.

  5KM FUN RUN: 8:30 a.m. Saturday July 18, 2026. Not feeling up to the 10 mile trail run? The 5k race and fun is a dirt road lollipop through the neighborhood that finishes at the BBQ and beer festivities.

  Enjoy a post-race BBQ with food, drinks (beer included), and raffle prizes.

  5k 10 Miles Fun Run Run Trail

  Sypes Canyon Road, Gallatin County, Montana, 59715, United States
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• Disco PBR [runsignup.com]
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  Sat, Sep 12, 2026 at 11:00 AM

  Description

  A sprint SUP triathalon located near Echo Lake and Discovery Ski Area on the Echo Lake Trails, comprising of a 10K mountain bike race, 2K Paddleboard race and a 6K foot race to begin and end at Discovery Ski Area.

  18k Trail Triathlon

  180 Discovery Basin Rd, Gallatin County, Montana, 59711, United States
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