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Our Mission is to increase women’s participation and opportunity in trail running and hiking through inspiration, education and empowerment.

Trail Sisters Race Calendar

Trail Sisters Approved Standards

  • Equal Podiums & Awards
  • Women’s Specific Apparel & Swag
  • Menstrual Products at Aid Stations
  • Women On the Starting Line
  • Pregnancy & Postpartum Policy
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Trail Sisters Approved
Fat Ox
24H
November 21, 2025
Buckeye
, Arizona
Trail Sisters Approved
GSER
50M
56K
28K
14K
November 21, 2025
Mt Hotham Resort
Trail Sisters Approved
GSER 2025
100M
50M
56K
28K
14K
November 21, 2025
Mt Hotham Resort
Trail Sisters Approved
Colt 45
60M
45M
45K
14M
November 22, 2025
Lakeland
, Florida
Trail Sisters Approved
Dinosaur Valley Endurance Run
100M
100K
50K
25K
5M
November 22, 2025
Glen Rose
, Texas
Trail Sisters Approved
The Stuffed Turkey Endurance Races
100M
50M
50K
10M
November 22, 2025
Granger
, Iowa
Trail Sisters Approved
Harpeth Hills Flying Monkey Marathon
26.2M
November 23, 2025
Nashville
, Tennessee
Trail Sisters Approved
Ultra-Trail Kosciuszko by UTMB
100M
100K
50K
30K
November 27, 2025
Thredbo Village
Trail Sisters Approved
Fiery Gizzard Run
13.1M
26.2M
November 29, 2025
Foster Falls State Park
, Tennessee
Trail Sisters Approved
Squatchy Leftovers
50K
25K
10K
5K
November 29, 2025
West Orange
, New Jersey
Trail Sisters Approved
Lake Norman State Park 30K & 50K Trail Race
30K
50K
December 6, 2025
Troutman
, North Carolina
Trail Sisters Approved
McDowell Mountain Frenzy
50M
50K
25K
10M
December 6, 2025
Fountain Hills
, Arizona
Trail Sisters Approved
Mosaic Trail Race
50K
26.2M
13.1M
15K
10K
5K
December 6, 2025
Liberty Hill
, Texas
Trail Sisters Approved
Redmond Reindeer Romp
5M
13.1M
December 6, 2025
Redmond
, Washington
Trail Sisters Approved
Fall Backyard Burn #3
5M
10M
December 7, 2025
Fairfax Station
, Virginia
Trail Sisters Approved
Pine Mountain Trail Run
19M
40M
December 7, 2025
Pine Mountain
, Georgia
Trail Sisters Approved
Beast of the East
15M
25M
50M
100M
December 13, 2025
Kings Mountain
, North Carolina
Trail Sisters Approved
Saturnalia
10K
December 13, 2025
Oiympia
, Washington
Trail Sisters Approved
Seward Solstice
4.2M
10K
December 20, 2025
Seattle
, Washington
Trail Sisters Approved
Absolution Run
4M
8M
January 3, 2026
Kenmore
, Washington
Trail Sisters Approved
Frozen: H3
10K
25K
50K
50M
100M
January 9, 2026
Cordesville
, South Carolina
Trail Sisters Approved
Winter Night Owl Trail Marathon, Half, and 10K
26.2M
13.1M
10K
January 10, 2026
Waynesville
, Ohio
Trail Sisters Approved
Frost Eagle Trail Run
5M
13.1M
January 17, 2026
Sammamish
, Washington
Trail Sisters Approved
Long Haul 100 Ultramarathon
100M
12.5M
January 17, 2026
Lakeland
, Florida