Found 65 races near Larimer County, CO

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JUL
11

Cheyenne, WY
• 41.7 miles
The 12th annual Will Run for Cannoli 5k is a family fun run/walk and will be held on July 11, 2026 at Lions Park in Cheyenne. Participants can expect a fun course, age division prizes, raffles, a...
5K
38
JUL
19

Greeley, CO
• 38.4 miles
$25 -$40
Veteran suicide awareness 5k and 1 mile run benefiting NCVRC, with medal, shirt, and after party.
1m 5K
18
JUL
23

Boulder, CO
• 38.0 miles
$20
USATF-sanctioned all-comers summer track and field meet at CU Potts Field in Boulder, CO.
3K
17
JUL
24

Loveland, CO
• 25.9 miles
$25
Loveland, CO memorial 5K honoring Ryan Vomacka, supporting Mountain View High School running programs.
5K
22
AUG
4

Fort Collins, CO
• 11.6 miles
$30
Flat and fast 5K trail race at Lory State Park, part of the Lory Summer Trail Series.
5K
28
AUG
6

Boulder, CO
• 38.0 miles
$20
NO Race Day Registrations Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment. Held at...
1m
27
AUG
7

Fort Collins, CO
• 6.6 miles
$31 -$110
Mountain Avenue Mile and Human Race Half Marathon, 10K, and 5K at Civic Center Park.
5K 10K Half Marathon
30
AUG
8

Berthoud, CO
• 47.1 miles
$5 -$75
Inaugural Berthoud Gastro Dash 10K. Run Fast. Eat Faster.
10K
46
AUG
11

Bellvue, CO
• 40.3 miles
$30
Join us August 4, 11, 18 & 25 for a fun series of shorter midweek trail races. This fourth race of the series will take place on the fast and flat Valley Trail at Lory State Park. Our goal is to...
5K 10K 12K
26
AUG
15

Greeley, CO
• 19.6 miles
$25
The Frontier Academy Community 5K is meant to serve the community of Greeley and the surrounding area. Through this race we hope to fulfill the vision and mission of our school - 'Building...
5K
8
AUG
15

Longmont, CO
• 25.8 miles
$10 -$40
Family-oriented 5K and 1 Mile run/walk in Longmont, CO, raising funds for St. Vrain Valley Schools educator grants.
1m 5K
13
AUG
16

Erie, CO
• 32.6 miles
$45 -$85
5K road featuring competitive racing and community celebration
5K Half Marathon
154
AUG
18

Bellvue, CO
• 5.4 miles
$30
Hilly midweek 5k trail race at Lory State Park in the Lory Summer Trail Series.
5K
32
AUG
25

Bellvue, CO
• 16.2 miles
$30
Join us August 4, 11, 18 & 25 for a fun series of shorter midweek trail races. This fourth race of the series will take place on the fast and flat Valley Trail at Lory State Park. Our goal is to...
12K
33
AUG
29

Allenspark, CO
• 33.6 miles
$20 -$55
Hello Runners and Dog Lovers! Welcome to the 14th annual Run Like The Wind 5k / 2k run in Allenspark on Labor Day weekend - Saturday, August 29th at 9am, hosted by the Old Gallery.  Register now...
2K 5K
17
SEP
5

Brighton, CO
• 60.3 miles
$55 -$150
Introducing the Raising the Barr Ultra Race.  Try to finish as many 10 mile loops around the lake in the first 4 or 10 hours and then switch to 1 mile loops for the last few hours of your race....
17
SEP
7

Loveland, CO
• 11.9 miles
$65
See the Northern Colorado All-Ability communities come together in faith and sports through FCA All-Abilities. We are running for: Awareness of sports programs for all ages for individuals with...
5K
10
SEP
7

Loveland, CO
• 11.3 miles
$10 -$65
Join us for the Labor Day 5kSee the Northern Colorado All-Ability communities come together in faith and sports through FCA All-Abilities. We are running for: Uniting All-Abilities through faith...
5K
14
SEP
10

Greeley, CO
• 31.4 miles
$15 -$45
✨🦸 Welcome to the 14th Annual Superhero Run! 🦸✨ This isn’t just a race - it’s a chance to make an impact by stepping up for others. On Saturday, September 19, 2026, we’ll be back at Greeley’s...
1m 5K 10K
31
SEP
12

Bellvue, CO
• 38.7 miles
$110 -$125
13.5-mile trail half marathon in Lory State Park near Fort Collins, CO with ~2,000' of climbing.
Half Marathon
32