Trail 21K
Run from the Big Sky Events Arena towards Ousel Falls, loop through Spanish Peaks and back to the Arena. This race gives you access to private trails! Stunning views of Lone Peak, Pioneer Mountain, and Gallatin National Forest. You will climb close to 2100 vertical feet and run just close to 15 miles, slightly longer than a 21K.
Open to ages 12 - 100.
- Start Time:
- 7:00am MDT
- End Time:
- 11:00am MDT
- Registration:
- Registration Opens January 1, 2026 at 12:00am MST
- Price:
- $65.00 Race Fee + $5.27 SignUp Fee
- Registration:
- Price increases to $75.00 after April 30, 2026 at 11:59pm MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| January 1, 2026, 12:00am MST | April 30, 2026, 11:59pm MDT | $65.00 Race Fee + $5.27 SignUp Fee |
| May 1, 2026, 12:00am MDT | July 12, 2026, 7:00am MDT | $75.00 Race Fee + $5.85 SignUp Fee |
Trail 11K
Run through the heart of Big Sky starting in Town Center and looping through Uplands and Hummocks on winding single track with spectacular views of Big Sky! You will climb close to 600 vertical feet!
Open to ages 12 - 100.
- Start Time:
- 7:30am MDT
- End Time:
- 11:00am MDT
- Registration:
- Registration Opens January 1, 2026 at 12:00am MST
- Price:
- $50.00 Race Fee + $4.40 SignUp Fee
- Registration:
- Price increases to $60.00 after April 30, 2026 at 11:59pm MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| January 1, 2026, 12:00am MST | April 30, 2026, 11:59pm MDT | $50.00 Race Fee + $4.40 SignUp Fee |
| May 1, 2026, 12:00am MDT | July 12, 2026, 7:00am MDT | $60.00 Race Fee + $4.98 SignUp Fee |
Trail 5K Relay (team of 3 people)
Find your team of three and see what strength in numbers can do! Have your group register together. adding all registrants to the same team. The cost of the relay is $75 or $25 per runner. You will each run 3.1 miles consecutively through Uplands/ Hummocks trails and have a combined total time. Each of you will gain close to 500 vertical feet!
Open to ages 10 - 100.
- Start Time:
- 8:00am MDT
- End Time:
- 11:00am MDT
- Price:
- $25.00 Race Fee + $2.95 SignUp Fee
- Registration:
- Price increases to $35.00 after April 30, 2026 at 11:59pm MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| December 16, 2025, 12:00am MST | April 30, 2026, 11:59pm MDT | $25.00 Race Fee + $2.95 SignUp Fee |
| May 1, 2026, 12:00am MDT | July 12, 2026, 7:00am MDT | $35.00 Race Fee + $3.53 SignUp Fee |
This is a service fee for processing your registration. This may be slightly higher or lower per registrant than the amount shown here.
