55k Ultra
Kick off your running season with an unforgettable adventure! The Owyhee Off-Road Challenge 55k Ultra is a stunning loop course through the rugged beauty of Eastern Oregon’sHigh High Desert. Runners will be treated to breathtaking panoramic vistas from the rolling Owyhee Mountains and intimate, rarely seen views of serene canyons and winding rivers. This challenging 55k course tests your endurance while rewarding you with unparalleled scenery and epic bragging rights.
Don’t miss your chance to conquer the Owyhees! Sign up today and embrace the Challenge!
Don’t miss your chance to conquer the Owyhees! Sign up today and embrace the Challenge!
- Start Time:
- 7:00am MDT
- End Time:
- 5:00pm MDT
- Price:
- $85.00 Race Fee + $6.10 SignUp Fee
- Registration:
- Price increases to $95.00 after February 28, 2026 at 11:59pm MST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| November 15, 2025, 12:00am MST | February 28, 2026, 11:59pm MST | $85.00 Race Fee + $6.10 SignUp Fee |
| March 1, 2026, 12:00am MST | March 18, 2026, 11:59pm MDT | $95.00 Race Fee + $6.70 SignUp Fee |
Half Marathon
The Owyhee Off-Road Challenge Half Marathon invites you to leave the pavement behind and conquer the rugged hills of the Owyhees! This stunning loop course offers breathtaking vistas from the top of the Owyhees overlooking the Snake River Valley below. Known as one of the most beautiful and challenging half marathons in the region, this race will test your grit and reward you with unforgettable scenery. Sign up now and rise to the Challenge!
- Start Time:
- 10:00am MDT
- End Time:
- 2:00pm MDT
- Price:
- $60.00 Race Fee + $4.60 SignUp Fee
- Registration:
- Price increases to $70.00 after February 28, 2026 at 11:59pm MST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| November 15, 2025, 12:00am MST | February 28, 2026, 11:59pm MST | $60.00 Race Fee + $4.60 SignUp Fee |
| March 1, 2026, 12:00am MST | March 18, 2026, 11:59pm MDT | $70.00 Race Fee + $5.20 SignUp Fee |
10k Run
Are you ready to tackle one of the region's most scenic and demanding courses? The Owyhee Off-Road Challenge 10K launches from Two Rivers Community Park in Adrian, Oregon, delivering an unforgettable trail running experience.
The Course:
Begin with a one-mile paved warm-up that quickly transitions into serious terrain. Brace yourself for a challenging 890-foot climb that will push your limits as you ascend to the ridge.
Your reward? Breathtaking panoramic views of the Snake River Valley and Owyhee River Valley stretching to the horizon. The course loops behind the iconic "A" Hill, where stunning vistas of Treasure Valley's patchwork farmlands unfold before you.
The Challenge:
This isn't your average 10K. The rugged loop course tests both runners and walkers with technical terrain, elevation gain, and remote high-desert beauty. If you're seeking a race that combines physical challenge with spectacular scenery, this is your event.
The Reward:
Epic views. Personal triumph. And serious bragging rights.
Step up. Take the Challenge. Own the Owyhee.
The Course:
Begin with a one-mile paved warm-up that quickly transitions into serious terrain. Brace yourself for a challenging 890-foot climb that will push your limits as you ascend to the ridge.
Your reward? Breathtaking panoramic views of the Snake River Valley and Owyhee River Valley stretching to the horizon. The course loops behind the iconic "A" Hill, where stunning vistas of Treasure Valley's patchwork farmlands unfold before you.
The Challenge:
This isn't your average 10K. The rugged loop course tests both runners and walkers with technical terrain, elevation gain, and remote high-desert beauty. If you're seeking a race that combines physical challenge with spectacular scenery, this is your event.
The Reward:
Epic views. Personal triumph. And serious bragging rights.
Step up. Take the Challenge. Own the Owyhee.
- Start Time:
- 10:30am MDT
- End Time:
- 2:00pm MDT
- Price:
- $50.00 Race Fee + $4.00 SignUp Fee
- Registration:
- Price increases to $70.00 after February 28, 2026 at 11:59pm MST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| November 15, 2025, 12:00am MST | February 28, 2026, 11:59pm MST | $50.00 Race Fee + $4.00 SignUp Fee |
| March 1, 2026, 12:00am MST | March 18, 2026, 11:59pm MDT | $70.00 Race Fee + $5.20 SignUp Fee |
5k Run
Get ready for an exhilarating adventure with the Owyhee Off-Road Challenge 5K! This out-and-back course starts at Two Rivers Community Park in Adrian, Oregon, sending runners and walkers west up the scenic Emerald Slope Road. Ascend toward the northwest of the iconic "A" Hill, soaking in stunning views before hitting the turnaround at 1.55 miles. Head back along the canal path and cruise down Emerald Slope Road to the finish. Perfect for all paces, this 5K offers a mix of challenge and breathtaking scenery. Join us and take the Challenge!
- Start Time:
- 11:00am MDT
- End Time:
- 2:00pm MDT
- Price:
- $40.00 Race Fee + $3.40 SignUp Fee
- Registration:
- Price increases to $50.00 after February 28, 2026 at 11:59pm MST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| November 15, 2025, 12:00am MST | February 28, 2026, 11:59pm MST | $40.00 Race Fee + $3.40 SignUp Fee |
| March 1, 2026, 12:00am MST | March 18, 2026, 11:59pm MDT | $50.00 Race Fee + $4.00 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.
