Ultrapalooza

Event Details

Date: September 27 - 28, 2025

Location: 1400 South Street, Osawatomie, KS

Race Options

• 100 Miler
• 100K
• 50 Miler
• 50K
• 1/2 Marathon
• 10K
• 5K

Registration

Registration closes on September 27 at 11:59 PM CT.

Awards, Swag & Features

• Customized race shirts
• Abundant aid stations
• Hammer swag bag
• Unique awards for top finishers

Course Description

The course is flat and consists of crushed gravel trails with scenic views along the Flint Hills and Marais Des Cygnes River. Multiple well-stocked aid stations will be available throughout the race.

Schedule of Events

Friday, September 21:

• 4:00-7:00 PM: Packet Pickup

Saturday, September 22:

• 5:00-5:45 AM: Race Day Packet Pickup
• 6:00 AM: RACE START for 100 mile, 100K, 50 Mile
• 6:30 AM: 50K RACE START
• 7:00 AM: Half START

Sunday, September 23:

• 7:00 AM: 10K/5K Start
• 12:00 PM: 100 Mile, 100K, and 50 Mile Races Close

Refund Policy

No refunds or transfers for this race; however, runners may defer entries to the following year.

Contact

For volunteer opportunities or questions, reach out at [email protected].