Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K
About this race
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 & 5KAn 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 hoursThe ultimate river trail adventure for endurance athletes
50 Mile Ultramarathon, 10 Miler, 5 Miler
Start Time: 8:00 AM Cut-off: 36 hoursChallenge yourself with breathtaking river views
50K & Marathon (26.2 miles)
Start Time: 8:30 AM Cut-off: 12 hoursClassic distance with unforgettable scenery
Half Marathon (13.1 miles)
Start Time: 8:30 AM Cut-off: 9 hoursPerfect distance to enjoy the river trails
10K (6.2 miles) | 5K Run/Walk (3.1 miles)
Start Time: 8:30 AM Cut-off: 9 hoursFamily-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 PLANWhat'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 participateVolunteer 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!Join fellow runners on November 30, 2024 for the Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K. It's a fantastic Marathon, Half-Marathon, 5K, 1K featuring a flat and fast course in Marble Falls.
Pick your distance
Trail running
Marathon
https://fitfoundation.org/colorado-river-run-1
1/2 Marathon
https://fitfoundation.org/colorado-river-run-1
Running
5K Run/Walk Taco Trot
Kids 1K
Our 1K race is specially designed for our youngest athletes, ages 8 and under. This exciting event offers children a taste of competitive running in a fun, supportive environment. Guardians are welcome to accompany their child during the 1K. To do so, you must be registered for the 5K. This ensures proper event coverage and safety for all participants. Participants will: -Race on a safe, kid-friendly 1-kilometer course -Cross the same finish line as the 5K runners, just like the pros -Build confidence and develop a love for running and fitness Watch your little ones beam with pride as they sprint across the same finish line as the older athletes. It's a perfect opportunity for families to participate together, with parents able to run the 5K while kids tackle the 1K challenge.
5K Ruck
Required Gear Rucksack: GORUCK Rucker recommended, but any rucksack is acceptable Must have reflective elements for visibility and safety Ruck Plates: Men: 20 lb (9.1 kg) Ruck Plate Women: 10 lb (4.5 kg) Ruck Plate Plates must be placed high in the rucksack, close to your back Additional Gear: Hydration system (water bladder or bottles) Appropriate footwear for trail conditions Weather-appropriate clothing Weight Requirements These weight requirements apply to all events (5K, 10K, and Half Marathon): Men: 20 lbs (9.1 kg) Women: 10 lbs (4.5 kg) Note: These are dry weights. Water, food, and additional gear do not count towards the weight requirement. Weight Verification Weight checks will be conducted at the start and finish of each event For longer events (10K and Half Marathon), additional checks may be performed during the course Participants must maintain the required weight throughout the entire event Additional Notes While GORUCK Ruck Plates are recommended, equivalent weights (e.g. weight vest plates) are acceptable as long as they meet the weight requirement and can be secured high in the rucksack. Safety is paramount. Ensure your ruck is properly packed and weighted to avoid injury.
1/2 Marathon Ruck
Required Gear Rucksack: GORUCK Rucker recommended, but any rucksack is acceptable Must have reflective elements for visibility and safety Ruck Plates: Men: 20 lb (9.1 kg) Ruck Plate Women: 10 lb (4.5 kg) Ruck Plate Plates must be placed high in the rucksack, close to your back Additional Gear: Hydration system (water bladder or bottles) Appropriate footwear for trail conditions Weather-appropriate clothing Weight Requirements These weight requirements apply to all events (5K, 10K, and Half Marathon): Men: 20 lbs (9.1 kg) Women: 10 lbs (4.5 kg) Note: These are dry weights. Water, food, and additional gear do not count towards the weight requirement. Weight Verification Weight checks will be conducted at the start and finish of each event For longer events (10K and Half Marathon), additional checks may be performed during the course Participants must maintain the required weight throughout the entire event Additional Notes While GORUCK Ruck Plates are recommended, equivalent weights (e.g. weight vest plates) are acceptable as long as they meet the weight requirement and can be secured high in the rucksack. Safety is paramount. Ensure your ruck is properly packed and weighted to avoid injury.
About Marble Falls
Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K takes place in Marble Falls, Texas, United States. The local timezone is America/Chicago.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.