Race day is here! · Sat, Sep 12, 2026
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Saturday, September 12th, 2026
801 Front Loop, Buena Vista CO
Half · 10K
39–74°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
45–68°F
rain
2024
36–77°F
dry
2023
42–69°F
dry
2022
33–76°F
dry
2021
42–77°F
dry
2020
20–60°F
dry
2019
41–71°F
dry
2018
40–80°F
dry
2017
44–77°F
dry
2016
41–71°F
dry
Best months to race in Colorado →
Race-day forecast · Saturday, Sep 12
Cloudy · 54–80°F
Saturday, Sep 12starts near 54°F · 8% chance of rain · wind up to 16 mph
About this race
Race Overview
- Event: Half Marathon and 10K
- Location: 801 Front Loop, Buena Vista, CO
- Date: 2026-09-12
- URL: Trail Sisters Half Marathon
Course Features
- Scenic Route: Twists and turns through sage brush and ponderosa pines
- Stunning Views: Provides views of the prestige Collegiate Peaks
- Location Highlights: Set in the Rocky Mountains alongside the roaring Arkansas River
- Trail Experience: Ideal for both competitive runners and casual participants
Community Vibes
- Welcoming Atmosphere: Join the Trail Sisters best weekend of the year
- Group Travel: Travel with your Trail Sisters Local Group or solo
- Supportive Community: A community of supportive women ensuring smiles and high-fives
- Goal-Oriented: Support throughout the race to help you reach the finish line
Course map
Hotels for race weekend
Live prices near the start line, Sep 11 – 13, 2026.
Train with a club
Run clubs near Buena Vista to train with before race day.
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