$100
Tier 2
7
Aid Stations
6
Days Away
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!
Registration Opens
Invalid Date
Tier 1 ends
Feb 16, 2026
Tier 1 ends
Feb 16, 2026
Tier 2 ends
Sep 11, 2026
Tier 2 ends
Sep 11, 2026
Registration Closes
Invalid Date
Race Day
Sep 12, 2026
Registration opens, price changes, race updates: straight to your inbox.
Current Price
$100
Tier 2
Ends
Sep 11, 2026
Price Progression
| Station | Distance | Crew | Drop Bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Half Marathon - Water Station 1 Water-only station. | -- | -- | water | ||
Half Marathon - Water Station 2 The second water station is passed twice, resulting in five total water-station visits for the half marathon. | -- | -- | waterelectrolyte drinklight snacksbasic first aid materials+1 | ||
Half Marathon - Water Station 3 | -- | -- | waterelectrolyte drinklight snacksbasic first aid materials+1 | ||
Half Marathon - Water Station 4 | -- | -- | waterelectrolyte drinklight snacksbasic first aid materials+1 | ||
10k - Water Station 1 Water-only station. | -- | -- | water | ||
10k - Water Station 2 | -- | -- | waterelectrolyte drinklight snacksbasic first aid materials+1 | ||
Full Service Station - Start/Finish Located at the start and finish area and serving both distances. | -- | -- | waterelectrolyte drinkpost-run snacksmenstrual products+1 |
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Make Race PlanAre you the race director for Trail Sisters Women's Half Marathon & 10k?
Claim this race to manage registration, volunteers, and race-day ops on Endurance HQ.