2025 Marathons

Fall Equinox Marathon 2025

The Fall Equinox Marathon is on Sunday, September 21, 2025 in Fort Collins, Colorado.

Fall Equinox Marathon 2025 Details

Location: Fort Collins, Colorado, United States

Date: Sunday, September 21, 2025

Results: 2025

Website: equinoxraces.com

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Fall Equinox Marathon at a Glance

  • Scenic downhill course through the Cache La Poudre River and Buckhorn Canyons, showcasing vibrant fall colors.
  • 26.2-mile course with 5 miles of hills and a 21-mile descent, offering a blend of challenge and beauty.
  • Bus transportation required to race start; bib number needed for boarding.
  • Multiple aid stations providing water, electrolytes, and first aid along the course.
  • Post-race celebration featuring live music, local beers, and food.

About the Fall Equinox Marathon

The Fall Equinox Marathon in Fort Collins, Colorado, is a breathtaking and challenging event set against the backdrop of the majestic Rocky Mountains. This marathon uniquely combines the exhilaration of a steep downhill course with the picturesque beauty of Colorado's autumnal landscapes. Starting at the Ohana Mountain Ranch, runners embark on a point-to-point journey through the Buckhorn and Poudre River Canyons, enjoying a dramatic elevation drop that makes it an excellent choice for those aiming to achieve a personal best or qualify for the prestigious Boston Marathon. The race's schedule aligns with the autumnal equinox, offering participants the chance to truly immerse themselves in the vibrant fall colors and the rustic scenery of the Cache La Poudre River, recognized as Colorado's only Wild and Scenic River. With a cap of just 300 runners, the event ensures a serene and intimate racing environment, allowing athletes to focus on the challenge and beauty of the course without the bustling crowds typical of larger marathons. Concluding with a lively finish line celebration complete with local food, drink, and live music, the Fall Equinox Marathon delivers both a serious athletic challenge and a joyous, community-focused atmosphere. It's an ideal event for both seasoned marathoners looking to test their limits and newcomers eager to experience the unique blend of natural beauty and athletic achievement.

Weather for the Fall Equinox Marathon

Expect temperatures between 50-79°F (10-26°C) with moderate humidity during the Fall Equinox Marathon in Fort Collins, Colorado, in late September. While the chance of rain is low at 20%, the day might start with light winds, offering relatively clear conditions. With ample daylight, runners can enjoy a pleasant marathon experience.

Fall Equinox Marathon Course Details

Fall Equinox Marathon in Fort Collins, Colorado:

Immerse yourself in the stunning landscapes of the Poudre River Canyon with this downhill, point-to-point marathon. Starting at the iconic Mishawaka Amphitheater, the route unfolds with five hilly miles before rewarding runners with 21 miles of exhilarating canyon descents. This course not only showcases vibrant fall colors but also offers an ideal setting for achieving personal records or embarking on your first half marathon journey.

Equinox Marathon in Fairbanks, Alaska:

Challenge yourself on one of North America's toughest marathon courses, featuring hilly cross-country ski trails, single-track paths, and technical descents. With a significant 3,285 feet of elevation gain, the course climbs to the summit of Ester Dome, offering breathtaking views of the Tanana Valley in its autumn splendor. Starting and finishing at the University of Alaska Fairbanks' Patty Center, this marathon demands resilience and readiness for unpredictable weather, from sunshine to snow.

Visiting Fort Collins, Colorado

Fort Collins, Colorado, is a captivating destination that pairs the excitement of the Fall Equinox Marathon with an array of outdoor adventures and cultural experiences. Nestled against the backdrop of the Rocky Mountains, this vibrant city invites visitors to explore its scenic beauty and lively community spirit.

Outdoor enthusiasts will find plenty to enjoy with visits to Horsetooth Reservoir and Lory State Park, where hiking, boating, and mountain biking await. The Cache la Poudre River Canyon offers breathtaking drives and thrilling rafting opportunities, while Arthur's Rock promises rewarding panoramic views. For a more relaxed pace, Twin Silo Park provides family-friendly fun with its unique playground.

Culturally, Fort Collins shines with its lively downtown, home to the Creative District's murals and music scene. Dive into the craft beer culture with tastings at renowned local breweries like Odell Brewing Company. Old Town Fort Collins enchants with its historic charm, boutique shopping, and diverse dining options. Don't miss a concert at the iconic Mishawaka Amphitheater nestled in the canyon.

Whether you're unwinding post-marathon at the reservoir or savoring farm-to-table cuisine, Fort Collins offers a delightful mix of activities that cater to both adventure seekers and culture enthusiasts. Enjoy your stay in this dynamic Northern Colorado city.


Fall Equinox Marathon FAQs

When is the 2025 Fall Equinox Marathon?

The 2025 Fall Equinox Marathon is on Sunday, September 21, 2025.

What is the typical weather like for the Fall Equinox Marathon?

Expect temperatures between 50-79°F (10-26°C) with moderate humidity during the Fall Equinox Marathon in Fort Collins, Colorado, in late September. While the chance of rain is low at 20%, the day might start with light winds, offering relatively clear conditions. With ample daylight, runners can enjoy a pleasant marathon experience.

What is the Fall Equinox Marathon website?

The Fall Equinox Marathon race website is equinoxraces.com

Where is the Fall Equinox Marathon?

The Fall Equinox Marathon takes place in Fort Collins, Colorado.

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