Found 85 races near Larimer County, CO

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SEP
27

Boulder, CO
• 46.9 miles
$40 -$500
This is a virtual race open to supporters across the country who want to take action for children and families. Participants can run, walk, or move in their own community while supporting a...
5K 10K Half Marathon
17
OCT
3

Westminster, CO
• 55.6 miles
$40 -$48
Hi Friends of Big Waves! We are looking forward to having everyone back for our family 5k this year! Please reach out if you have any questions that you don't see the answers for here. My email...
5K
10
OCT
3

Fort Collins, CO
• 21.7 miles
$25 -$50
Saturday, October 3rd at 8:00 am Join fellow Rams and CSU friends for the 46th annual Homecoming 5K! The race is a great way for community, alumni, and students to come together for fun, fitness,...
5K
13
OCT
3

Lafayette, CO
• 52.0 miles
$45 -$75
Lafayette Music Fest is put on by Rock for the People, a 501(c)(3) nonprofit organization in Lafayette, CO with the mission of building an inclusive live music community by offering free and...
5K 10K
8
OCT
3

Broomfield, CO
• 53.2 miles
$15 -$55
Prospect Ridge Academy is thrilled to present our 16th Annual Miner Gold Rush and Fall Festival! All proceeds will benefit Prospect Ridge Academy, a public charter school providing a rigorous,...
1m 5K
6
OCT
3

Loveland, Colorado
• 28.6 miles
Experience the ultimate Colorado adventure at Boyd Lake State Park! This event pairs you and your dog for a scenic run filled with fun, beginner-friendly obstacles. It’s all about local vibes,...
2m
1
15
OCT
10

Fort Collins, CO
• 23.7 miles
$35 -$120
Join us on a journey from Fort Collins to Loveland. The marathon begins at Edora Park in Fort Collins and ends at Fairgrounds Park in Loveland. The half-marathon starts at Fossil Creek Park and...
5K Half Marathon Marathon
52
OCT
11

Fort Collins, CO
• 21.2 miles
This fun run is held on national coming out day this out and back Greenway 5K is here to celebrate everyone and anyone! There will be an unofficial clock and a mini award ceremony after. this is...
5K
OCT
17

Fort Collins, CO
• 20.9 miles
$100 -$130
Welcome to the Blue Sky Trail Marathon & Half, Fort Collins's original and only trail marathon. Taking place on the trails between Horsetooth Mountain Park and the Devil's Backbone Open Space,...
Half Marathon Marathon
OCT
31

Loveland CO
• 28.6 miles
Brisk autumn running in Colorado – OH YEA! Join us for a family fun event with FIVE distance options at the beautiful Boyd Lake State Park venue. Choose your adventure! Heavy 5K, 10K, 15K (4, 7...
1m 4m 7m 10m
18
NOV
7

Loveland, CO
• 26.9 miles
$20 -$30
Our community is the only city in the nation to follow the old tradition of ringing bells throughout the town in the early morning hours of Veteran’s Day. This race will mimic some of those old...
2m
31
NOV
7

Fort Collins, CO
• 27.9 miles
$105 -$275
Welcome to the Colorado 24 Hour Run! We aim to provide a fun, welcoming race experience that allows everyone to find a challenge, no matter where you’re at on your running journey. Want to see...
34
NOV
26

Loveland, CO
• 28.7 miles
$5 -$55
Grab your running shoes (and your turkey hats!) — the 25th Annual Loveland Turkey Trot is here, and this milestone is worth celebrating! 🎉 Voted the #1 Charity Walk/Run by NOCO Style every year...
2
NOV
26

Louisville, CO
• 51.8 miles
$20 -$40
Louisville, Colorado Turkey Trot 2026 The 13th Annual AdventHealth Avista Louisville Turkey Trot began as a way to collect food and donations for our local food bank, Community Food Share, while...
56
NOV
26

Loveland, CO
• 25.8 miles
$20
Come join us on Thanksgiving morning for a 2-mile fun run! The event will be held at Mehaffey Park. We will have a fun course, music, and more! Come dressed in your best Turkey Day outfit. Every...
2m
33
NOV
26

Greeley, CO
• 44.0 miles
$30 -$40
The NCMC Turkey trot is brought to you by the CardioVascular Institute of North Colorado. The race is open to participants of all ages and abilities and includes a 5K race on a scenic,...
2K 5K
8
NOV
26

Windsor, CO
• 33.9 miles
$35 -$45
Stroller and dog friendly! This course goes through Water Valley, starting and ending at the Pelican Lakes golf course parking lot. Receive a light breakfast food, coffee, hot chocolate as well...
5K
33
NOV
26

Erie, CO
• 49.7 miles
$25 -$50
THE PILGRIMAGE - 2 MILE, 4 MILE & KIDS RUN Join us on Thanksgiving Day - It's not about turkey!   This event will start and finish by Erie Community Park at the Erie Recreation Center. Start your...
2m 4m
12
DEC
5

Red Feather Lakes, CO
• 10.2 miles
$35
Enjoy a scenic little dash in and around Red Feather Lakes, Colorado! Wear your favorite onesie (and layer it underneath if you need extra warmth!). Start at The Tavern at Red Feather Lakes and...
34
DEC
5

Loveland, CO
• 26.0 miles
$30 -$80
Each race will run through a part of Loveland we haven’t highlighted until this race. You can pick which distance you want to run! Bring a new, unwrapped toy to the start line and be ready for...
5K 10K 15K
42