6 Hour Challenge
- Start Time:
- 8:00am CDT
- End Time:
- 2:00pm CDT
- Registration Limit:
- 197 spots left.
- Price:
- $90 $80.00 Race Fee + $5.80 SignUp Fee
- Registration:
- Price increases to $90.00 after December 14, 2026 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| April 16, 2026, 12:00am CDT | December 14, 2026, 11:59pm CST | $90 $80.00 Race Fee + $5.80 SignUp Fee |
| December 15, 2026, 12:00am CST | March 15, 2027, 11:59pm CDT | $100 $90.00 Race Fee + $6.40 SignUp Fee |
| March 16, 2027, 12:00am CDT | April 1, 2027, 11:59pm CDT | $110 $100.00 Race Fee + $7.00 SignUp Fee |
| April 2, 2027, 12:00am CDT | April 3, 2027, 7:00am CDT | $120 $110.00 Race Fee + $7.60 SignUp Fee |
Outlast ULTRA - 12 Hour Challenge
- Start Time:
- 8:00am CDT
- End Time:
- 8:00pm CDT
- Registration Limit:
- 100 spots left.
- Price:
- $140 $130.00 Race Fee + $8.80 SignUp Fee
- Registration:
- Price increases to $140.00 after December 14, 2026 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| October 6, 2025, 6:31am CDT | December 14, 2026, 11:59pm CST | $140 $130.00 Race Fee + $8.80 SignUp Fee |
| December 15, 2026, 12:00am CST | March 15, 2027, 11:59pm CDT | $150 $140.00 Race Fee + $9.40 SignUp Fee |
| March 16, 2027, 12:00am CDT | April 1, 2027, 11:59pm CDT | $160 $150.00 Race Fee + $10.00 SignUp Fee |
| April 2, 2027, 12:00am CDT | April 3, 2027, 7:00am CDT | $170 $160.00 Race Fee + $10.60 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.
