
About the event
The Colorado River Trail Run 100 Mile, set for November 28, 2025, is a grueling yet breathtaking ultra-marathon experience through Arkansas Bend Park in Lago Vista, Texas. Organized by Fit Foundation, this race takes runners through winding singletrack trails, rolling hills, and rocky stretches, all while following the scenic curves of the Colorado River. With strategically placed aid stations and a dedicated support crew, participants will have the resources needed to endure the physical and mental battle of completing 100 miles. Whether you're an ultra veteran chasing a new milestone or a first-timer seeking to conquer an epic distance, this race promises an incredible journey through one of Texas' most stunning natural landscapes.
Date:
Fri
Nov 28
2025
Location:
Distance:
Elevation profile:
Flat
Website:
LinkElevation gain:
Number of participants:
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
On November 28, 2025, the Colorado River Trail Run 100 Mile challenges runners to push their limits on the rugged terrain of Arkansas Bend Park in Lago Vista, Texas. Hosted by Fit Foundation, this ultra-endurance race combines river views, tough elevation changes, and the raw beauty of Texas Hill Country for an unforgettable test of stamina.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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