Ultrapalooza
- Running
- 161 km
- 100 km
- 80 km
- 50 km
- Half Marathon
- 10k
- 5k
Butler, Missouri, United States
Date: September 27 - 28, 2025
Location: 1400 South Street, Osawatomie, KS
Events: 100 Miler, 100K, 50 Miler, 50K, 1/2 Marathon, 10K, 5K
The course features a flat, crushed gravel trail that runs through the beautiful Flint Hills, showcasing one of the last remaining tallgrass prairie ecosystems. Runners will enjoy stunning views alongside the Marais Des Cygnes River.
Late registration available at packet pickup and race day. Early registration is required to guarantee shirts.
100 Miler: 30 hours
50 Miler: 30 hours
50K: 12 hours
1/2 Marathon: 6 hours
10K: 3 hours
5K: 2 hours
100 Miler Registration | $222.03 | See |
100K Registration | $199.03 | See |
50 Miler Registration | $176.03 | See |
50K Registration | $105.77 | See |
1/2 Marathon Registration | $59.87 | See |
10K Registration | $48.40 | See |
5K Registration | $42.66 | See |
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