27Nov
100 Mile Run
Running
- Distance
- 100 Miles
- Start time
- 09:00
- Entry fee
- $139.99
Colorado River Run: 100-Mile & 50-Mile Ultra, 50K, Marathon, Half-Marathon, 10K and 5K Taco Trot
Marble Falls,
Texas,
United States
27 days left
runsignup.com
Date
27 Nov – 28 Nov, 2026
Races
9 distances
Entry fee
$15.00 – $139.99
Runner rating
Be the first to rate
Website
Official website
Colorado River Run: 100-Mile & 50-Mile Ultra, 50K, Marathon, Half-Marathon, 10K and 5K Taco Trot
About the event
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 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!
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!
Races offered
27Nov
50 Mile Run
Running
- Distance
- 50 Miles
- Start time
- 09:00
- Entry fee
- $119.99
27Nov
Pacer Registration (50- and 100-Mile Run)
Running
- Distance
- Pacer Registration (50- and 100-Mile Run)
- Start time
- 18:30
- Entry fee
- $15.00
28Nov
1/2 Marathon
Running
- Distance
- 13.1 Miles
- Start time
- 09:00
- Entry fee
- $69.99
28Nov
10K
Running
- Distance
- 6.2 Miles
- Start time
- 09:00
- Entry fee
- $49.99
28Nov
50K
Running
- Distance
- 31 Miles
- Start time
- 09:00
- Entry fee
- $89.00
28Nov
5K Kids
Running
- Distance
- 5K
- Start time
- 09:00
- Entry fee
- $0.00
28Nov
5K Run/Walk
Running
- Distance
- 5K
- Start time
- 09:00
- Entry fee
- $30.00
28Nov
Marathon
Running
- Distance
- 26.2 Miles
- Start time
- 09:00
- Entry fee
- $79.99
Weather history
3-year monthly averages for November in Marble Falls.
Temperature11.5° / 22.7°
Feels like9.6° / 20.8°
Sunshine hours8h 1m
Rainfall2.3 mm
Snowfall—
Wind10.4 km/h (Light breeze)
Humidity66.5%
Max UV indexLow (2.0)
Sweat lossModerate
Course conditionsFirm and slightly soft
Sunrise07:59
Sunset18:36
About Marble Falls
Learn more about the host city, Marble Falls.
Marble Falls is a city in Burnet County, Texas, United States. As of the 2020 United States Census, the city population was 7,037. The 2024 population was estimated to be 9,413. Lake Marble Falls is part of the Highland Lakes on the Colorado River, the largest chain of lakes in Texas. Marble Falls was founded by Adam Rankin Johnson in 1887, a former Indian fighter and Confederate general.
Read moreHotels & places to stay
Things to do nearby
Tours and activities near Marble Falls, powered by Viator.
Race results
Official finishing times from previous editions of Colorado River Run: 100-Mile & 50-Mile Ultra, 50K, Marathon, Half-Marathon, 10K and 5K Taco Trot.
| Place | Name | Time |
|---|---|---|
| 🥇 | Andrea Fogliato | — |
| 🥇 | Marcos Gonzalez | — |
| 🥇 | Kaisen Chase | — |
| 🥇 | Rowan Young | — |
| 🥇 | Jeffrey Bergeron | — |
| 🥈 | Ryan Brown | — |
| 🥈 | Oscar Fuentez | — |
| 🥈 | Hiram Hartnett | — |
| 🥈 | Colin Scherp | — |
| 🥈 | Nicolai Monette | — |
| 🥉 | Ryan Romaker | — |
| 🥉 | Aiden Panter | — |
| 🥉 | Jake Wolff | — |
| 🥉 | Marlene Cullum | — |
| 🥉 | Grover Bendall | — |
| 4 | Susanna Bendall | — |
| 4 | Pete Torres | — |
| 4 | Barrett Clark | — |
| 4 | Henry Smith | — |
| 5 | MARLO Rodriguez | — |
| 5 | Gram Bendall | — |
| 5 | Keenan Collett | — |
| 5 | Jessica Lopez | — |
| 6 | Travis Tellez | — |
| 6 | Isaiah Jelks | — |
| 6 | Franco Fogliato | — |
| 6 | Tristan Chase | — |
| 7 | Jose Castruita | — |
| 7 | Brian Argueta | — |
| 7 | Paul Kron | — |
| 7 | a. moore | — |
| 8 | Justin Weisenborn | — |
| 8 | K. Bettinger | — |
| 8 | Carlos Munoz | — |
| 8 | Kendra Kopczenski | — |
| 9 | L. Bettinger | — |
| 9 | Lupano Rios | — |
| 9 | Desiree Munoz | — |
| 10 | Jaiden Waggoner | — |
| 10 | Ashley Johnson | — |
| 11 | Matthew Johnson | — |
| 11 | Christopher Cepeda | — |
| 12 | Rodrigo Guerra | — |
| 12 | Kristie Johnson | — |
| 13 | Shandy Wade | — |
| 14 | Jay Michael | — |
| 15 | Amy Thompson | — |
| 16 | Rogelio Perez | — |
| 17 | David McCune | — |
| 18 | Rosendo Villastrigo | — |
| 19 | Leah Johnson | — |
| 20 | Tyler Simpson | — |
| 21 | Lee Rios | — |
| 22 | Noah Compton | — |
| 23 | Zachary Rudd | — |
| 24 | Stacey Parsons | — |
| Place | Name | Time |
|---|---|---|
| 1 | James LaRovere | — |
| 2 | Kevin Buenrostro | — |
| 3 | Zach Tuthill | — |
| 4 | Sammy Pereira | — |
| 5 | Chris Keim | — |
| 6 | Chris DeWitt | — |
| 7 | Kelly Norman | — |
| 8 | Cameron Dixon | — |
| 9 | Michelle Bonnette | — |
| 10 | Jennifer Good | — |
| 11 | Maia Medel | — |
| 12 | Kava Dann | — |
| 13 | Stephen Cockrell | — |
| 14 | Steve Cockrell | — |
| 15 | Shayna Robbins | — |
| 16 | Jessica Joyner | — |
| 17 | Arthur Muzik | — |
| 18 | Elliot Lee | — |
| 19 | Rebecca Lee | — |
| 20 | Hannah Huang | — |
| 21 | Kari Bourgeois | — |
| 22 | Amani Pereira | — |
| 23 | Natalie Keim | — |
| 24 | Andrea O | — |
| 25 | Cash Robinson | — |
| 26 | Clarice Laires | — |
| 27 | Carolyn Robinson | — |
| 28 | Dan Muzik | — |
| 29 | Geoff Muzik | — |
| 30 | Jeremy Spangler | — |
| 31 | Kyle Romero | — |
| 32 | Dario Reyna | — |
| 33 | Leila El Masri | — |
| 34 | Marissa Ratton | — |
| 35 | April Choi | — |
| 36 | Sarah Muzik | — |
| 37 | Veronica Kung | — |
| Place | Name | Time |
|---|---|---|
| 1 | Zoey Jacob | — |
| Place | Name | Time |
|---|---|---|
| 1 | Kaitlin Jiral | — |
| 2 | Grayson Pfister | — |
| 3 | Akshay Pathak | — |
| 4 | Amrita Pathak | — |
| 5 | Danny Medina | — |
| Place | Name | Time |
|---|---|---|
| 1 | Christina Pfister | — |
| 2 | Emily Hart | — |
| 3 | Tamy Casey | — |
| Place | Name | Time |
|---|---|---|
| 1 | Tom Lane | — |
| 2 | Samuel Buske | — |
| 3 | Jacob Fisher | — |
| 4 | Obinna Ejikeme | — |
| 5 | Amy Robinson | — |
| 6 | Krista Carrasco | — |
| 7 | Davis Atkins | — |
| 8 | Ricardo Sanchez | — |
| 9 | Ramiro Alonso | — |
| 10 | Andrea O | — |
Runner reviews
Read what other athletes have to say about their experience at the Colorado River Run: 100-Mile & 50-Mile Ultra, 50K, Marathon, Half-Marathon, 10K and 5K Taco Trot.
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