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Trail Sisters Half Marathon & 10k

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Home Page Retreats

2025 Trail Sisters Run with Her Retreats

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We're here to inspire, educate, and empower.

Home Page Lake Sonoma

Join Trail Sisters at Lake Sonoma!

Run with Her Retreats

May 15th – 18th • Chattanooga, Tennessee – 3 spots left (shared double queen rooms only)!

June 5th – 8th • Boulder, Colorado – Single king and shared double queen rooms available.

July 31st – August 3rd • Boulder, Colorado – Single king and shared double queen rooms available.

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Team Trail Sisters
All women are welcome and invited to join! Together, we are a movement driving opportunity and inspiration to all women on the trails.

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Resources

Providing tools for success on the trails is important. Find a coach through our coaching directory, get inspired with a film, or find a Trail Sisters Approved Race!

Events

Check out a Run With Her Retreat, the Women’s Trail Half Marathon or come run a Marathon or 50 Mile with us in wine country!

Team Trail Sisters

Any and all women are invited to join Team Trail Sisters! Special access to team kits and apparel, Speaker Series webinars, partner discounts, team newsie and communities group, and special meet-up events! Join the team today!

Community

The Trail Sisters Community provides a way to connect with other Trail Sisters, Join Local Groups, learn from educational courses & more!

Race Calendar

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Crazy Mountain 100
100M
July 25, 2025
Lennup
, Montana
Home Page Lake Sonoma
Lake Sonoma Relentless
50M
26.2M
13.1M
April 12, 2025
Healdsburg
, California
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Riley Park Trail Races
5K
10K
10M
13.1M
30K
Loops
August 2, 2025
Coto de Caza
, California
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Rib Mountain Trail Races by IRONBULL
15K
25K
50K
September 13, 2025
Wausau
, Wisconsin
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IRONBULL Solstice Summit
1M
10K
June 14, 2025
Wausau
, Wisconsin

Local Groups

Journal

Trail Sisters

Ask TS: Hydration Vests

I’m totally new to trail running, although I’ve run a few marathons. I’d like to understand a bit more about the gear needed for trail

Adventure
Johanna Dehning

Trekking to Transformation

Hi! I’m Johanna from Germany. For 2 years now, I live in a small village in the Indian Himalayas at an altitude of 2,300 meters. Every day, I trek through the mountains – either on my own or as a trekking guide, leading travellers from around the world through breathtaking trails.

Heather Anderson

Start Your Thru-hiking Journey With These 3 Simple Steps

The idea of tackling a long-distance thru-hike is a daunting prospect—putting your life on hold to go hike; possibly quitting your job, letting go of your apartment, etc. If you’re looking at taking on one of the Triple Crown Trails it’s even more complex. While thru-hiking is a huge endeavor, it is also massively rewarding.

Trail Sisters

Ask TS: Menopause

I’m entering menopause and am wondering if anyone can share best practices or what was helpful for them while running during menopause.

Contributors

Tricia McFadden

Sarah Prentice Mitchell

Christina Mather

Sara Manderscheid

Marybeth Bohn

Katharine Moustakes

Vibhu Krishna

Olivia Coetzee

Missy Frisch

Isabel Castillo Toro