Race Discovery
Jim Bridger Trail Run
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Jim Bridger Trail Run

Bozeman, Montana, United States View on map
Jul 18, 2026 (America/Denver local time)
Trail running

About this race

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. 

Pick your distance

Trail running

Jim Bridger Trail Run (10 mile)

The iconic JBTR course features a scenic loop starting at Sypes Canyon trailhead and continuing across private property only accessible on race day. Great climbs follow as the runners head up Middle Cottonwood after a challenging water crossing, then continue across the Bridgers and down Sypes Canyon. **TIME CUTOFF** 10-mile runners must make it to the turn to Bridger Foothills Trail by 9:15AM. This is a self-enforced time cutoff. The start/finish area will be broken down at 12:30 and we need runners, staff, and medical back by then.

Jul 18, 2026 16.1K 8:00 AM
$68.00
Closed

Running

Jim Bridger 5k Race and Fun Run

The 5k fun run follows a rolling dirt road lollipop loop. It starts on Ptarmigan Rd., out Rolling Hills Rd, around East Panorama Dr. and back.

Jul 18, 2026 5K 8:30 AM
$50.00
Closed

Typical race-day weather

Based on 12 years of Open-Meteo archive data for this event's race dates in Bozeman, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 12.5° / Maximum temperature (race-week average) 27.8°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 12.2° / Maximum feels like — heat index / wind chill (race-week average) 28.0°
Peak wind (km/h)
Strongest wind of the day (race-week average)
15.1
Precip (mm)
Precipitation over the day (race-week average)
0.7mm
Humidity
Mean relative humidity (race-week average)
46.2%
Sunrise
Sunrise at the start line on July 18, 2026 (MDT)
Sunset
Sunset at the start line on July 18, 2026 (MDT)
Daylight
Hours between sunrise and sunset on race day
15h 15m

The sun rises at 5:52 AM and sets at 9:08 PM local time (MDT) in Bozeman on July 18, 2026 — 15h 15m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Other races near Bozeman

Different organizers, within 40 miles, in the next three months

Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 38 Bozeman events

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