Rio Colorado Ultra Slam 150
Complete five qualifying races of at least 50K distance each within the 2027 calendar year. Limited roster. See main race page for full details.
- Event Dates:
- Friday January 1, 2027 - Friday December 31, 2027
- Start Time:
- 12:00am CST
- End Time:
- 11:59pm CST
- Price:
- $595 $545.00 Race Fee + $28.25 SignUp Fee
- Registration:
- Price increases to $595.00 after December 31, 2026 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 18, 2026, 4:14pm CDT | December 31, 2026, 11:59pm CST | $595 $545.00 Race Fee + $28.25 SignUp Fee |
| January 1, 2027, 12:00am CST | April 18, 2027, 11:59pm CDT | $595.00 Race Fee + $30.75 SignUp Fee |
Rio Colorado Ultra Slam 200
Complete four qualifying races of at least 50 miles each within the 2027 calendar year. Limited to 50 athletes. Backyard ultras count toward this tier when you reach 50+ miles. See main race page for full details.
- Event Dates:
- Friday January 1, 2027 - Friday December 31, 2027
- Start Time:
- 12:00am CST
- End Time:
- 11:59pm CST
- Price:
- $795 $745.00 Race Fee + $38.25 SignUp Fee
- Registration:
- Price increases to $795.00 after December 31, 2026 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 18, 2026, 4:14pm CDT | December 31, 2026, 11:59pm CST | $795 $745.00 Race Fee + $38.25 SignUp Fee |
| January 1, 2027, 12:00am CST | April 18, 2027, 11:59pm CDT | $795.00 Race Fee + $40.75 SignUp Fee |
Rio Colorado Ultra Slam 400
Complete four qualifying races of at least 100 miles each within the 2027 calendar year. Limited to 25 athletes. Backyard ultras count toward this tier when you reach 100+ miles. See main race page for full details.
- Event Dates:
- Friday January 1, 2027 - Friday December 31, 2027
- Start Time:
- 12:00am CST
- End Time:
- 11:59pm CST
- Price:
- $1,195 $1,145.00 Race Fee + $46.80 SignUp Fee
- Registration:
- Price increases to $1,195.00 after December 31, 2026 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 18, 2026, 4:14pm CDT | December 31, 2026, 11:59pm CST | $1,195 $1,145.00 Race Fee + $46.80 SignUp Fee |
| January 1, 2027, 12:00am CST | March 10, 2027, 11:59pm CST | $1,195.00 Race Fee + $48.80 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.
