Are pacers allowed for the ultramarathon distances?

Yes, pacers are permitted for the 100-mile run after mile 50 and for the 50-mile run after mile 30. Pacers must be registered, wear an official bib, and meet specific age requirements.

Can children participate in the 5K?

Yes, parents are welcome to run or walk the 5K with their young children at no additional cost, though children must be registered.

What is the deadline to guarantee a race shirt?

You must register by November 7, 2026, to guarantee your race shirt.

All races

7 weeks out

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All races

7 weeks out

Colorado River Run 250K • 100 Mile • 50 Mile • 50K • Marathon • Half Marathon & Ruck • 10K • 5K • Kids 1K

Friday, November 27, 2026Cedar Creek, TX5K – Ultra

The Colorado River Run offers an invigorating trail adventure set along the scenic banks and rugged paths of Turkey Bend Park. Runners will navigate a diverse landscape featuring riverbanks, technical single-track trails, and serene natural habitats. With distances ranging from a 5K to a 100-mile ultramarathon, the event caters to both competitive endurance athletes and recreational trail enthusiasts. The course is specifically designed to showcase the river's most picturesque spots while providing a challenging terrain that tests your limits. Participants can expect a fully supported experience with well-stocked aid stations and a welcoming community atmosphere. This event also emphasizes eco-friendly practices to protect the beautiful ecosystems surrounding the Colorado River.