Trail Sisters Women's Half Marathon & 10k logo

Trail Sisters Women's Half Marathon & 10k

Trail Sisters Women's Half Marathon & 10k is a trail running and running race on September 12, 2026 in Buena Vista, CO, with entry fees from $65 to $100.

Date
September 12, 2026 (51 days to go)
Price
$65–$100
Sports
Trail RunningRunning
Register →

From the Organizer

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!

 

Events

Trail Sisters Women's Half Marathon$100
Trail Sisters Women's 10k$65

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

75°

Typical Low

41°

Chance of Rain

29%

Based on US Climate Normals data from Buena Vista 2s, 1 mi from the venue.

Sunrise 6:43 AMSunset 7:17 PMDaylight 12h 34m

Host City

About Buena Vista, CO

City Elevation

8,017 ft

Nearest Airport

ASE

Aspen-Pitkin County Airport (Sardy Field) · 47 mi

Major Hub

COS

City of Colorado Springs Municipal Airport · 78 mi

Time Zone

Mountain Time

From Endurance Grid

Line up lodging and travel early to lock in your race weekend.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Trail Sisters Women's Half Marathon & 10k, put it on the calendar, and turn “someday” into a start date.

51

Days to train

Race
Trail Sisters Women's Half Marathon & 10k
Date
September 12, 2026

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From Endurance Grid

About These Sports

This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.

Trail Running

Running off-road — dirt, singletrack, and mountain paths — from 5Ks to ultras. The terrain makes for an exciting twist and adventure in your running journey.

Running

From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Plan your trip

Make it a Racecation

Coming from out of town? There's more to Buena Vista than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.

Plan your trip to Buena Vista
Lodging
Flights
Rental Car
Activities

Frequently Asked Questions (FAQs)

What is the Trail Sisters Women's Half Marathon & 10k?+
Trail Sisters Women's Half Marathon & 10k is a trail running and running race held in Buena Vista, Colorado on September 12, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more trail running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Trail Sisters Women's Half Marathon & 10k?+
Saturday, September 12, 2026 in Buena Vista, Colorado at 801 Front Loop. Check the event page for exact start times and wave schedules.
How do I register for the Trail Sisters Women's Half Marathon & 10k?+
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Trail Sisters Women's Half Marathon & 10k

Sep 12, 2026

Register →