run.Windsor, Stronger Together
Our race series creates community through running, while celebrating the businesses, organizations and people that make Windsor great!

LOCAL RACES
Professionally timed endurance events including 5k, 10k, Half Marathon, Full Marathon and Ultra Marathon.
COMMUNITY
Run Club, free group runs, seminars and events connecting the Northern Colorado community and local businesses, organizations and nonprofits. Learn more about our story.
RELAY RACES
The Wild West Relay and Flaming Foliage Relays cover the most beautiful parts of Colorado, completed as a team. These adventures are an experience you'll never forget!
GIVING BACK
All events give a portion of proceeds back to local nonprofits through Windsor Gives, including Adopt-A-Family, iHeart Humanity, Imagine Zero, Realities For Children and more.
run.Windsor Race Series
Move Through The Darkness
Register Now - for this FREE Winter Fitness Challenge!
Pledge to Walk, Run or Workout for a specific number of miles or hours from December 1st through January 31st! Complete with professional speakers, finisher beanie and more.
During the winter months, we see a decrease in movement and an increase in mental and emotional health diagnosis. Help us make a direct impact by signing up today!
You can complete this challenge on your own or as a "team", as you log miles or hours of exercise throughout, on the website.

Free Fun Runs + Run Club
Saturday, Dec 2, 9:00 AM at Shine Cafe MTD Kick off Group Run/Walk
Thursday Group Run - December 7, 6:00 pm at Peculier Ales - Windsor, CO
Saturday Long Run (6-8 Miles) December 9, 7:00 AM at Shine Cafe - Windsor, CO **Run Club Meeting to follow group run
Tuesday, December 12, 5:30 PM at Mash Lab Kitchen - 5K on a Tuesday
Saturday, December 16 - Santa Catch 10K, 5K, and Kids Fun Run
Thursday, December 21, 6:00 PM at Peculier Ales in Windsor, CO Christmas Lights/Ugly Sweater Run
Festivus Long Run (6-8 Miles) Saturday, December 23, 7:00 AM at Shine Cafe
Tuesday, December 26, 5:30 PM at Mash Lab Kitchen - 5K on a Tuesday
NYE Long Run (6, 8, or 10 miles) - Saturday, December 30, 7:00 AM at Shine Cafe
Learn more about our Run Club

Santa Catch Race
- Date: December 16, 2023
- Time: 9 am
- Location: Power To Play, Windsor CO
5k - 10k Run/Walk Kids Fun Run
It’s time to Catch Santa, as we raise funds to support Adopt-A-Family through Serve 6.8. This fun 5k, 10k and 1 mile kids fun run is sure to put you in the holiday spirit, as we rock out to holiday jingles, sip free hot cocoa and spread holiday cheer for all to hear, and those who need it most!
LUCKY BREW RACE
- Date: March 16, 2024
- Time: 9:00 AM
- Location: Eastman Park
- 5K - 10K - 15K - Kids Fun Run
Run or walk on the beautiful Poudre River Trail to earn your lucky socks, free beer/seltzer provided by Peculier Ales, Brewery, finisher medal, after party and more! This race benefits Women Optimizing Women (WOW)...providing education, resources, and support to help improve their lives and the lives around them. Inspire. Empower. Advocate.
WELD YOUR METTLE ULTRA
- Date: May 25, 2024
- Time: Varies by distance
- Location: TBA
- 7K - Half - Full - 50K - Relay Options
Run or Ruck in the spirit of Weld Your Mettle - digging deep and going a little further! With the shortest distance of 4.3 miles up to the 33 mile race, and relay options (each runner averaging 5 miles), there's something for everyone! Proceeds benefit Health4Heroes. Enjoy an after party complete with Weld Your Mettle IPA by Peculier Ales
RED, WHITE AND BREW RACE
- Date: June 22, 2024
- Time: 8:00 am
- Location: TBA
- 5K & 10K Run, Walk, & Ruck
- Kids Fun Run
Celebrate America in the heart of Downtown Windsor! Sponsored by Peculier Ales, this 5k, 10k run, walk, 35 lb military ruck and rockin' Kids Fun Run is the best way to celebrate the Red, White and BREW. Proceeds go to benefit the nonprofit Imagine Zero- supporting suicide prevention and awareness
Wild West Relay
21st Annual Wild West Relay
Friday August 2 through Saturday August 3, 2024.
The Wild West Relay covers 200 scenic miles, with 36 legs, beginning in the foothills of beautiful Fort Collins before sending runners deep into the heart of the Rocky Mountains, over two mountain passes and finishing in Steamboat Springs, CO.
This life changing relay road race is a team-oriented adventure with experiences and views you'll never forget. Each team consists of either twelve runners and two vehicles (the vast majority of the teams) or six runners and one vehicle (Ultra teams), or an odd amount of runners of any other quantity.
Flaming Foliage Relay
11th Annual Flaming Foliage Relay
Friday September 6, 2024 - Saturday September 7, 2024
Flaming Foliage is a 165 mile overnight team relay race adventure with single track trails, from Idaho Springs to beautiful Buena Vista, over Guanella, Georgia & Fremont Passes. Covering 165 miles, this life changing relay road race is an adventure with experiences and views you'll never forget.
Each team consists of either ten runners, an Ultra team of 4-5, or a Super Ultra team of 1-3
Windsor Marathon
- Date: October 6, 2024
- Time: 7 am and later
- Location: The Island at Pelican Lakes in Water Valley
Full Marathon, Half Marathon, 10K and 5K
Welcome to the 4th annual Windsor Marathon Event, held by run.Windsor
Starting and ending at The Island at Pelican Lakes in Water Valley, with a great after party including breakfast, drinks, music, kids zone and more!
There's a distance for everyone with a kids fun run, 5k, 10k, half and full marathon.

Turkey Trot
- Date: November 24, 2024
- Time: 9 am
- Location: Pelican Lakes Golf Course
The annual Pelican Lakes Turkey Trot is back, brought to you by run.Windsor!
Run or Walk this family friendly 5K, benefitting Athletes In Tandem and the Weld Food Bank. Finish your race off with a free beer donated from High Country Beverage, served at the Pelican Lakes Sand Bar!

Free Fun Runs + Run Club
5k on a Tuesday 11/28 5:30 pm Mash Lab
Lake Fun Run 12/7 6:00 pm Peculier Ales
Christmas Lights Fun Run 12/21 6:00 pm Peculier Ales
Learn more about our Run Club

Santa Catch Race
- Date: December 16, 2023
- Time: 9 am
- Location: Power To Play, Windsor CO
5k - 10k Run/Walk Kids Fun Run
It’s time to Catch Santa, as we raise funds to support Adopt-A-Family through Serve 6.8. This fun 5k, 10k and 1 mile kids fun run is sure to put you in the holiday spirit, as we rock out to holiday jingles, sip free hot cocoa and spread holiday cheer for all to hear, and those who need it most!
LUCKY BREW RACE
- Date: March 16, 2024
- Time: 9:00 AM
- Location: Eastman Park
- 5K - 10K - 15K - Kids Fun Run
Run or walk on the beautiful Poudre River Trail to earn your lucky socks, free beer/seltzer provided by High Hops Brewery, finisher medal, after party and more! This race benefits Women Optimizing Women (WOW)...providing education, resources, and support to help improve their lives and the lives around them. Inspire. Empower. Advocate.
WELD YOUR METTLE ULTRA
- Date: May 25, 2024
- Time: Varies by distance
- Location: Kodak Trailhead
- 7K - Half - Full - 50K - Relay Options
Run or Ruck in the spirit of Weld Your Mettle - digging deep and going a little further! With the shortest distance of 4.3 miles up to the 33 mile race, and relay options (each runner averaging 5 miles), there's something for everyone! Proceeds benefit Health4Heroes. Enjoy an after party complete with Weld Your Mettle IPA by Peculier Ales
RED, WHITE AND BREW RACE
- Date: June 22, 2024
- Time: 8:00 am
- Location: Boardwalk Park
- 5K & 10K Run, Walk, & Ruck
- Kids Fun Run
Celebrate America in the heart of Downtown Windsor! Sponsored by Peculier Ales, this 5k, 10k run, walk, 35 lb military ruck and rockin' Kids Fun Run is the best way to celebrate the Red, White and BREW. Proceeds go to benefit the nonprofit Imagine Zero- supporting suicide prevention and awareness
Wild West Relay
21st Annual Wild West Relay
Friday August 2 through Saturday August 3, 2024.
The Wild West Relay covers 200 scenic miles, with 36 legs, beginning in the foothills of beautiful Fort Collins before sending runners deep into the heart of the Rocky Mountains, over two mountain passes and finishing in Steamboat Springs, CO.
This life changing relay road race is a team-oriented adventure with experiences and views you'll never forget. Each team consists of either twelve runners and two vehicles (the vast majority of the teams) or six runners and one vehicle (Ultra teams), or an odd amount of runners of any other quantity.
Flaming Foliage Relay
11th Annual Flaming Foliage Relay
Friday September 6, 2024 - Saturday September 7, 2024
Flaming Foliage is a 165 mile overnight team relay race adventure with single track trails, from Idaho Springs to beautiful Buena Vista, over Guanella, Georgia & Fremont Passes. Covering 165 miles, this life changing relay road race is an adventure with experiences and views you'll never forget.
Each team consists of either ten runners, an Ultra team of 4-5, or a Super Ultra team of 1-3
Windsor Marathon
- Date: October 6, 2024
- Time: 7 am and later
- Location: The Island at Pelican Lakes in Water Valley
Full Marathon, Half Marathon, 10K and 5K
Welcome to the 4th annual Windsor Marathon Event, held by run.Windsor
Starting and ending at The Island at Pelican Lakes in Water Valley, with a great after party including breakfast, drinks, music, kids zone and more!
There's a distance for everyone with a kids fun run, 5k, 10k, half and full marathon.

Turkey Trot
- Date: November 24, 2024
- Time: 9 am
- Location: Pelican Lakes Golf Course
The annual Pelican Lakes Turkey Trot is back, brought to you by run.Windsor!
Run or Walk this family friendly 5K, benefitting Athletes In Tandem and the Weld Food Bank. Finish your race off with a free beer donated from High Country Beverage, served at the Pelican Lakes Sand Bar!
Join the run.Windsor RUN GROUP
Receive a 20% discount on run.Windsor Events, training shirt, perks from our run group partners, exclusive invites to group runs + motivational speaking events and more!
ABOUT US
run.Windsor is locally owned and operated by Colorado native Mandy Mullen. Along with her family and team, her mission is to positively impact the health of Northern Colorado through her passion for running. Through races ranging in distance from 5k to ultramarathon to kids fun runs, run.Windsor’s endurance events celebrate the people, businesses and organizations who make Windsor great. They aspire to better our community’s overall mental, emotional and physical wellness through movement. Click here to hear our story
run.Windsor supports the economic health of Windsor through their active role as a member of the Windsor Area Chamber of commerce, collaborative efforts with local businesses and championing other entrepreneurs. A portion of proceeds from every event are also donated to local nonprofits.
Click here to hear our story
I love all of the events
I love all of the events from Run.Windsor! They are so fun and well organized. All of the people involved are encouraging. I feel so blessed to have something like this in my small(ish) hometown. Keep up the great work!
Jen C.
Makes Running Fun
Since I moved from Texas, I have struggled with finding a workout ‘family’. I am the type of person who needs the motivation to keep moving, provide accountability, and make running fun. Mandy has created a great network of people who come from all backgrounds, athletic differences, and has a plan for every body.
Kimberly H.
Highlight of My Time
Run.Windsor has been a highlight of my time in Windsor! Their tagline, Stronger Together, is so true! They share their struggles and their triumphs, and truly support and encourage each other! I am blessed to know these women!
Lisa U.
Experience a variety of terrain, from paved trails to dirt paths in Windsor's open spaces.
Come Run With US!









