Trail Sisters Women's Half Marathon & 10k
About this race
A Half Marathon and 10K that twist and turn through sage brush and ponderosa pines, all while providing stunning views of the prestige Collegiate Peaks. Located in the Rocky Mountains along the roaring Arkansas River.
Come Join Trail Sisters best weekend of the year in Buena Vista, Colorado. Travel with your Trail Sisters Local Group OR SOLO and you'll arrive to a welcoming community of supportive women who will ensure your day is filled with smiles, high-fives and the support you need to get to the finish line!
Pick your distance
Trail running
Trail Sisters Women's Half Marathon
Trail Sisters Women's 10k
Typical race-day weather
Based on 5 years of Open-Meteo archive data for this event's race dates in Buena Vista, plus the 3 days either side.
The sun rises at 6:43 AM and sets at 7:17 PM local time (MDT) in Buena Vista on September 12, 2026 — 12h 34m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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2026 results — Trail Sisters Women's Half Marathon & 10k
327 finishers across 2 distances · leading places in the Trail Sisters Women's Half Marathon
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Ashley Bartreau | 2:01:13 | 9:15 /mi |
| 2 | Geneva Heffernan | 2:01:44 | 9:18 /mi |
| 3 | Elizabeth Kaplon | 2:04:54 | 9:32 /mi |
| 4 | Annabelle Yoo | 2:05:30 | 9:35 /mi |
| 5 | Abi Irwin | 2:12:10 | 10:05 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
All results by year
Other races near Buena Vista
Different organizers, within 40 miles, in the next three months
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 10 Buena Vista events
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