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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
Beast of the East
15M
25M
50M
100M
December 13, 2025
Kings Mountain
, North Carolina
Trail Sisters Approved
Marana Dirt Dash at Wild Burro
13.1M
6.0M
December 13, 2025
Marana
, Arizona
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
Trail Sisters Approved
Mrs. McCormick's Ice House Tonic
7M
January 17, 2026
Naples
, New York
Trail Sisters Approved
The Shippey Endurance Runs
20M
40M
100K
100M
January 17, 2026
High Ridge
, Missouri
Trail Sisters Approved
AZT Oracle Rumble
50M
50K
13.1M
12K
January 31, 2026
Oracle
, Arizona
Trail Sisters Approved
Frosty Fat Sass
6H
3H
5K
Loops
January 31, 2026
West Orange
, New Jersey
Trail Sisters Approved
Interlaken Icicle Dash
5K
9.8K
January 31, 2026
Seattle
, Washington
Trail Sisters Approved
Algonquin 50k
50K
February 7, 2026
Pocomoke City
, Maryland
Trail Sisters Approved
Hurricane Crush Run
10M
3.1M
1M
February 7, 2026
Hurricane
, West Virginia
Trail Sisters Approved
Black Canyon Ultras
100.0K
51.7K
February 14, 2026
Spring Valley
, Arizona
Trail Sisters Approved
Skunk Ape's Revenge 60k 30k
60K
30K
30K
February 14, 2026
Dade City
, Florida
Trail Sisters Approved
Squatchy Onesiefest 5K
5K
February 14, 2026
Mahwah
, New Jersey
Trail Sisters Approved
Tarawera Ultra-Trail New Zealand by UTMB
100M
102K
50K
21K
February 14, 2026
Rotorua
Trail Sisters Approved
The Ranch
50K
13.1M
February 14, 2026
Escondido
, California
Trail Sisters Approved
Angry Tortoise 25k / 50k
25K
50K
February 21, 2026
Bryceville
, Florida
Trail Sisters Approved
TMC Old Tucson Trail Run, 4-Miler and 1-Miler
4M
1M
February 22, 2026
TUCSON
, Arizona
Trail Sisters Approved
ARKTOS 6/12/20 Hour Ultra
6H
12H
20H
February 28, 2026
Dousman
, Wisconsin