The Colorado River Run takes place on November 27, 2026, in Marble Falls, Texas, at 4000 Shaw Dr. This event caters to runners across all distances and experience levels, offering a 1-mile option alongside competitive offerings: a 100-mile ultra, 50-mile ultra, marathon, half marathon, 10K, and 5K. The race starts at 9:00 AM. Entry fees range from free to $229.99 depending on distance. Whether you're an ultrarunner tackling triple digits or a recreational runner looking for a shorter outing, the Colorado River Run provides multiple distance options on the same day in the same location, making logistics straightforward for athletes of varying abilities and training cycles.
From the Race Organizer
COLORADO RIVER RUN Run to the River "Out here on these trails, not all who wander are lost, some are simply finding their strength." 100 MILES 50 MILES, 10 MILES & 5 MILES 50K & MARATHON HALF MARATHON 10K & 5K An invigorating trail adventure at Turkey Bend Park Connect with Nature, Challenge Your Endurance Set along the scenic banks and trails surrounding the majestic Colorado River at Turkey Bend Park, this event offers a unique opportunity to connect with nature while testing your limits. Run through diverse landscapes, including riverbanks, rugged trails, and serene natural habitats as you embrace the spirit of outdoor adventure. The Colorado River Run promises to be a memorable experience for runners and nature enthusiasts alike. The course layout is designed to highlight the river's most picturesque spots while providing a challenging terrain for runners of all levels, from competitive athletes seeking to set personal records to recreational runners looking for a unique trail experience. Register by November 7, 2026 to guarantee your race shirt! Reserve an 8-person camping spot here Race Distances 100 Mile Ultramarathon Start Time: 8:00 AM Cut-off: 39 hours The ultimate river trail adventure for endurance athletes 50 Mile Ultramarathon, 10 Miler, 5 Miler Start Time: 8:00 AM Cut-off: 36 hours Challenge yourself with breathtaking river views 50K & Marathon (26.2 miles) Start Time: 8:30 AM Cut-off: 12 hours Classic distance with unforgettable scenery Half Marathon (13.1 miles) Start Time: 8:30 AM Cut-off: 9 hours Perfect distance to enjoy the river trails 10K (6.2 miles) | 5K Run/Walk (3.1 miles) Start Time: 8:30 AM Cut-off: 9 hours Family-friendly option - children can accompany registered parents for free! Course Description Scenic River Trails The course is designed to highlight the Colorado River's most picturesque spots while providing a challenging terrain for runners. You'll experience diverse landscapes, including riverbanks, rugged trails, and serene natural habitats. Fully Supported Adventure Fully stocked aid stations along the course, providing hydration, nutrition, and medical assistance to ensure your safety and well-being. Our eco-friendly practices, such as waste reduction and the use of sustainable materials, minimize the event's environmental footprint. What You'll Experience Terrain: Mix of single-track trails, dirt paths, and occasional technical sections Scenery: Stunning river views, natural habitats, and diverse ecosystems Elevation: Moderate with some challenging climbs and descents Support: Well-stocked aid stations with friendly volunteers Community: Welcoming atmosphere for runners of all abilities Ready for 100 Miles? Access your complete 100-mile training plan to prepare for this epic adventure! ACCESS TRAINING PLAN What's Included Custom Finisher Medal Unique medal for all finishers Aid Stations Fully stocked with nutrition and hydration Support On-course and at finish line Pacing Allowed for Ultra Distances Pacers are allowed for the 100 Mile Run (after mile 50) and 50 Mile Run (after mile 30) to provide safety and encouragement during later stages. One pacer per runner is permitted on course at any time. Pacers must register at the designated check-in area, sign a waiver, pay a $15 fee, and wear an official "PACER" bib. Pacers must be 18+ (16-17 with parental consent), can only enter/exit at aid stations, and cannot provide physical assistance or carry the runner's supplies. Pacers may switch at any aid station but must check in with station personnel. Pacers are only eligible for water and emergency medical support at aid stations. Family-Friendly 5K Option Parents are welcome to run or walk the 5K course with their young children at no additional cost! Organized in partnership with Healthy Kids Running Series Cedar Park. Proceeds support HKRS Cedar Park youth running programs. Children MUST be registered to participate Volunteer Opportunities We Need Help With: Course Marshals Aid Station Support Registration/Packet Pickup Assistants All Volunteers Receive: Race shirt Meal and snacks Community service hours Future race credit Shifts Available: Morning: 7:00 AM - 1:00 PM Afternoon: 1:00 PM - 6:00 PM Email: info@atxactive.com to volunteer or click here Ready for Your Colorado River Adventure? Join us for this unique trail experience along the scenic banks of the Colorado River. Challenge your endurance and connect with nature! REGISTER NOW!
Hotels Near This Race
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Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K 2026 — Marble Falls, TX
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Race Travel Insurance
Don't forget travel insurance for November 27.
You've trained for months and booked a trip to Marble Falls, TX.
A pre-race injury, a delayed flight, or a family emergency can derail the whole thing.
Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it,
and may cover medical costs if something goes wrong on the course. Plans typically only run
5-7% of your total trip cost — and running events are covered under standard plans with no
additional coverage needed.
Trip cancellation up to 100% of prepaid costs
Running events covered under standard plans — no add-ons needed
Trip interruption up to 150% of non-refundable costs
When is Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K 2026 — Marble Falls, TX?
Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K 2026 — Marble Falls, TX takes place on November 27, 2026. The race is held in Marble Falls, Texas.
Where is Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K 2026 — Marble Falls, TX held?
Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K 2026 — Marble Falls, TX is held at 4000 Shaw Dr. in Marble Falls, Texas.
Where can I find hotels near Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K 2026 — Marble Falls, TX?
RaceHotelFinder shows hotels sorted by distance from the race venue in Marble Falls. Use the map or list view on this page to compare options and book race weekend accommodation.
