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Women's Trail Half Marathon

Lake Sonoma 50 & Marathon

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

Highlighted Races

These races have gone above and beyond with supporting the Trail Sisters Race Calendar!

Race Directors
Trail Sisters Approved Standards
Trail Sisters Approved
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Home Page Lake Sonoma
Lake Sonoma Relentless
50M
26.2M
13.1M
April 12, 2025
Healdsburg
, California
Trail Sisters Approved
Banta-Visuals-02981
Trail Sisters Half Marathon @ Lake Sonoma
13.1M
April 12, 2025
Healdsburg
, California
Trail Sisters Approved
Knob-800x600-1
Knobstone 50
50M
April 19, 2025
Borden
, Indiana
Trail Sisters Approved
Banana-Slug-Backyard-Ultra-2024-0311-A
Banana Slug Backyard Ultra
Loops
April 25, 2025
Donald
, Oregon
Trail Sisters Approved
IMG_5316
Kanawha Trace 50K/25K/10K
50K
25K
10K
May 3, 2025
Ona
, West Virginia
Trail Sisters Approved
JMTR-photo-for-TS-2645d061acbaecafab563cb6e609edca
Jemez Mountain Trail Runs
15M
50K
50M
May 10, 2025
Los Alamos
, New Mexico
Trail Sisters Approved
20210522_3352-d75dbe6284e7b4046055253f3cf0592e
Dirty Turtle 25/50K
25K
50K
May 17, 2025
Bremerton
, Washington
Trail Sisters Approved
DSC_0519
Sinks Canyon Trail Races
50K
18K
6K
June 7, 2025
Lander
, Wyoming
Trail Sisters Approved
Night-Train-Logo-2-779b73fed523b6dfded4421d7fd8860e
Night Train 50k and Half Marathon
50K
13.1M
5K
June 14, 2025
Farmville
, Virginia
Trail Sisters Approved
DSC_0968
IRONBULL Solstice Summit
1M
10K
June 14, 2025
Wausau
, Wisconsin
Trail Sisters Approved
Leadville_Trail_Marathon_Heavy_Half-scaled
Leadville Trail Marathon & Heavy Half
13.1M
26.2M
June 28, 2025
Leadville
, Colorado
Trail Sisters Approved
whiting-ranch-trail-races-2025
Whiting Ranch Trail Races
30K
13.1M
10K
6K
June 28, 2025
Trabuco Canyon
, California
Trail Sisters Approved
Feature-Race-Placeholder
Devil's Ladder Ultra
15K
30K
50K
July 12, 2025
Cumberland
, British Columbia
Trail Sisters Approved
elder-creek-2025
Elder Creek Night Runs
50K
30K
13.1M
9M
Loops
July 12, 2025
Anza
, California
Trail Sisters Approved
292382899_10160169943003809_4378179873901500118_n-a87a80d5e7df76a301045c43f8fb812b
Ironstone 100K
100K
July 12, 2025
Hollidaysburg
, Pennsylvania
Trail Sisters Approved

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

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