What are the available race distances and start times?

• →5K (3.1 miles): Start Time: 8:10 AM CST
• →10K (6.2 miles): Start Time: 8:10 AM CST
• →25K (15.5 miles): Start Time: 8:00 AM CST
• →50K (31.1 miles): Start Time: 8:00 AM CST

What is the terrain and elevation profile for the courses?

• →All routes utilize the well-maintained, paved Tulsa RiverParks Trail.
• →The 5K and 10K courses are extremely flat and very flat, respectively.
• →The 25K course is mostly flat with one moderate hill encountered once.
• →The 50K course is flat with the same hill encountered twice (out and back).

What is included with registration?

• →Long-sleeve technical race shirt for all participants
• →Unique finisher medal for every distance
• →Generous post-race food
• →Access to a festive, supportive atmosphere along the scenic river trail

What are the registration deadlines and spot availability?

• →5K: 224 spots remaining; Registration closes Jan 17 at 8:30 AM CST
• →10K: 224 spots remaining; Registration closes Jan 17 at 8:30 AM CST
• →25K: 46 spots remaining; Registration closes Jan 17 at 8:30 AM CST
• →50K: Only 9 spots remaining; Registration closes Jan 17 at 8:30 AM CST

Are there any bundle options available?

• →The 2026 Endurance Bundle allows participants to save 5% on each event when registering for multiple distances.
• →This option is ideal for teams, families, or runners tackling more than one challenge.

What is the time limit for the 50K race?

• →The 50K has a time limit of 9.5 hours, with the race finishing by approximately 5:30 PM.

Are the courses safe for participants?

• →The courses are car-free, safe, and spectator-friendly.
• →They are located on a dedicated multi-use path.