Two Rivers Half Marathon
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Event overview
The Two Rivers Half Marathon and Ryan Bielke 5K take place in New Braunfels, Texas, on Sunday, October 26, 2025. The half marathon is a point-to-point course that follows along River Road and the Guadalupe River, beginning in Sattler and finishing at KL Ranch Camp Cliffside. Portions of the event proceeds will benefit Chosen Care and provide scholarships through Today I Get To Run. All registration fees are non-refundable and no race packets will be mailed in 2025.
Races and logistics
- Half Marathon
- 5K Run/Walk
- Kids' Fun Run (ages 12 and under)
The half marathon start is at Mountain Valley Middle School and the finish is at KL Ranch Camp Cliffside. The 5K and Kids' Fun Run start and finish at KL Ranch Camp Cliffside. Shuttles will return half marathon participants to the start; shuttle trips take about 20 minutes and run approximately every 30 minutes. Bag check is available at the half marathon start and bags will be transported to the finish; opaque backpacks are not accepted. Packet pickup is at Two Rivers Running on the two days before the race; race-day pickup incurs a fee.
Course support and categories
The half marathon has nine aid stations spaced roughly every 1.5 miles; most stations offer water and Superieur (Lime Blueberry flavor) as the official course hydration. Bathrooms are at the start and finish with limited porta-potties on course; first aid stations are on course and at the finish. Award categories include overall and masters for both races and multiple age-group awards; there are no half marathon awards for participants 14 and under. The Kids' Fun Run uses age-group armbands, a single route with an extra loop for ages 10-12, and includes a shirt and medal. Visit the organization's website for the most recent information.