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Trail Sisters Half Marathon & 10k

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Home Page 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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Chuckant 50k Finish

Ask TS: First 50k

What’s your best advice for someone training for their first 50k? How do you balance building up a base for long distance mileage, while also getting enough rest? Madeline Harms: All of this really depends on

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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!

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!

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!

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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Trail Sisters Half Marathon @ Lake Sonoma
13.1M
April 12, 2025
Healdsburg
, California
JMTR-photo-for-TS-2645d061acbaecafab563cb6e609edca
Jemez Mountain Trail Runs
15M
50K
50M
May 10, 2025
Los Alamos
, New Mexico
Night-Train-Logo-2-779b73fed523b6dfded4421d7fd8860e
Night Train 50k and Half Marathon
50K
13.1M
5K
June 14, 2025
Farmville
, Virginia
2025-RMTR-UR-Mag-5.68x4.25
Rib Mountain Trail Races by IRONBULL
15K
25K
50K
September 13, 2025
Wausau
, Wisconsin
LH15
Long Haul 100 Ultramarathon
100M
12.5M
January 17, 2026
Lakeland
, Florida

Local Groups

Journal

Chuckant 50k Finish
Trail Sisters

Ask TS: First 50k

What’s your best advice for someone training for their first 50k? How do you balance building up a base for long distance mileage, while also

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.

Contributors

Zoë Rom

Johanna Dehning

Angela Millet

Tricia McFadden

Sarah Prentice Mitchell

Christina Mather

Sara Manderscheid

Marybeth Bohn

Katharine Moustakes

Vibhu Krishna