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Trail Sisters Half Marathon & 10k

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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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Participate

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!

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!

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!

Race Calendar

JE-DinoValley_2022-2303-c73b9b758cf23804ee371d20fe0140b6
Dinosaur Valley Endurance Run
100M
100K
50K
25K
5M
November 22, 2025
Glen Rose
, Texas
Night-Train-Logo-2-779b73fed523b6dfded4421d7fd8860e
Night Train 50k and Half Marathon
50K
13.1M
5K
June 14, 2025
Farmville
, Virginia
20210522_3352-d75dbe6284e7b4046055253f3cf0592e
Dirty Turtle 25/50K
25K
50K
May 17, 2025
Bremerton
, Washington
Leadville_Trail_Marathon_Heavy_Half-scaled
Leadville Trail Marathon & Heavy Half
13.1M
26.2M
June 28, 2025
Leadville
, Colorado
Knob-800x600-1
Knobstone 50
50M
April 19, 2025
Borden
, Indiana

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

Tricia McFadden

Sarah Prentice Mitchell

Christina Mather

Sara Manderscheid

Marybeth Bohn

Katharine Moustakes

Vibhu Krishna

Olivia Coetzee

Missy Frisch

Isabel Castillo Toro