El Chupacabra Grondo
- Cycling
- 100 km
- 100 km
Registrations are now open for the Rock Bridge Revenge happening on Saturday, October 11, 2025.
Race Headquarters: Rock Bridge State Park, Billy Gilbert Shelter, GPS address 5575 Missouri 163
Race Start: 7:00 AM for 50K and 8:00 AM for 25K with staggered start times.
The 25K course consists of one loop on the Devil’s Ice Box Trails and one loop on the Gans Creek Wild Area Trails. The 50K course consists of two loops of the 25K course. All courses are 100% single track trail featuring varied terrain and creek crossings.
Course limits: 8 hours to complete the race.
No race day registration, transfers, or refunds allowed.
There will be 2 aid stations for 25K and 5 aid stations for 50K, stocked with food and drinks every 4 miles. This event will be a CUP FREE event, so participants must carry their own hydration bottles or collapsible cups.
Lunch will be provided for all participants starting at 11 AM. A cash award will be given for the Overall Male & Female in both the 25K & 50K categories.
Participants should register by September 19 to guarantee a shirt or size. If you have questions, feel free to reach out to the organizers. Each runner can change their distance or transfer entry up until October 9, 2025 without refunds.
50K Entry | $72.06 | See |
25K Entry | $61.43 | See |
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