Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K 2026

The race.

The Colorado River Run takes place November 27, 2026, at Turkey Bend Park in Marble Falls, Texas, featuring seven race distances organized by Fit Foundation: 100 miles (8:00 AM start, 39-hour cutoff), 50 miles (8:00 AM start, 36-hour cutoff), 50K, marathon, half marathon, 10K, and 5K (all 8:30 AM starts with 9- or 12-hour cutoffs). The course follows scenic river trails with single-track paths, dirt routes, and technical sections around the Colorado River. All finishers receive a custom medal; fully stocked aid stations provide hydration, nutrition, and medical support throughout the course. Pacers are permitted for the 100-mile (after mile 50) and 50-mile (after mile 30) distances for a $15 fee and must be at least 18 years old. Children run the 5K free with registered parents, with proceeds supporting Healthy Kids Running Series Cedar Park youth programs. Register by November 7 to receive a race shirt.

Straight from the organizer.

More races by filter.