Register For
Colorado River Run: 100-Mile & 50-Mile Ultra, Marathon, Half-Marathon and 5K Taco Trot

Lago Vista, TX 78645
Back to Race Website

Registrant #1

Login with your RunSignup account.
This will be the password for your RunSignup account.
Format: mm/dd/yyyy
Used for age group calculations
Valid formats include: 000-000-0000 or 0000000000

Choose Your Event *

Friday November 28, 2025 - Saturday November 29, 2025

$139.99 $100.00 + $7.00 SignUp Fee

Friday November 28, 2025 - Saturday November 29, 2025

$119.99 $80.00 + $5.80 SignUp Fee

Saturday November 29, 2025

$129.99 $90.00 + $6.40 SignUp Fee

Saturday November 29, 2025

$99.99 $70.00 + $5.20 SignUp Fee

Saturday November 29, 2025

$79.99 $60.00 + $4.60 SignUp Fee

Saturday November 29, 2025

$39.99 $30.00 + $2.80 SignUp Fee

Saturday November 29, 2025
Open to ages 8 - 17.

$0.00

Saturday November 29, 2025

$39.99 $30.00 + $2.80 SignUp Fee

Saturday November 29, 2025

$15.00 + $1.90 SignUp Fee

Saturday November 29, 2025

$0.00

5% Discount Per Event

5% Discount Per Event

Pick 2 of the following races.
Colorado River Run: 100-Mile & 50-Mile Ultra, Marathon, Half-Marathon and 5K Taco Trot
Lago Vista, TX 78645 US 11/29/2025
  • 5K Kids — Nov 29, 2025 at 8:30am CST to 5:00pm CST
    $0.00
Lake Travis New Year's Trail Challenge with Ruck options- 50 Miler | 50K | 25K |10K | 5K | Kids 1K
Lago Vista, TX 78645 US 01/01/2026
Austin Solstice Circuit: Marathon, 52M, 50K, 25K, 10K, 5K
Spicewood, TX 78669 US 07/12/2025 - 07/13/2025
Race Austin: Holiday Victory Lap - 50-Miler, 50K, Marathon, Half-Marathon, 10K, 5K
Spicewood, TX 78669 US 12/14/2025
Bluebonnet Trail Run: 50 Miler, 50K, Marathon, Half-Marathon, 10K, 5K and Kids 2K Run
Marble Falls, TX 78654 US 03/29/2026
Fields of Gold 50-Miler, 50K, Marathon, Half-Marathon,10K and 5K Race
Marble Falls, TX 78654 US 10/25/2025 - 10/28/2025

Would you like to join or create a Group/Team?



If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.