Join us for Ultrapalooza on September 27 - 28, 2025, at 1400 South Street, Osawatomie, KS. This event features a variety of race distances that will challenge and inspire runners as they navigate the stunning Flint Hills.
Race Distances
- 100 Miler
- 100K
- 50 Miler
- 50K
- Half Marathon
- 10K
- 5K
Awards and Features
Participants can look forward to customized race shirts, abundant aid stations, unique awards, and a fun-filled atmosphere at the start/finish area with food trucks, music, and camaraderie.
Course Information
The course is flat and consists of crushed gravel with well-placed aid stations stocked with water and nutrition. Expect beautiful sights as the route winds through historical sites and diverse recreational areas.
Registration Details
Early registration closes on September 5th to guarantee your shirt size. Late registration is available at packet pickup on Friday and race day, but shirts and swag are not guaranteed for late entries.
Event Schedule
Review the event schedule below to ensure you're ready for race day:
- Friday, September 26: Packet Pickup from 4:00 PM to 7:00 PM
- Saturday, September 27: Races begin at 6:00 AM
- Sunday, September 28: Final races close by noon
Additional Information
Participants are required to fill out a Medical Information Sheet upon registration and adhere to race rules to ensure a fair and enjoyable experience for all involved.
