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Upcoming 5K Races Near Longmont, CO

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Cancer League of Colorado Race 4 Research logo

Cancer League of Colorado Race 4 Research

Denver, CO

Sunday, August 16th, 2026

5K
View details for race Cancer League of Colorado Race 4 Research
Erie Half & 5k logo

Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half
5K
View details for race Erie Half & 5k
Into the Hills Eltuck 5k logo

Into the Hills Eltuck 5k

Bellvue, CO

Tuesday, August 18th, 2026

5K
Trail
Fast
View details for race Into the Hills Eltuck 5k
Byers Peak Stampede Half Marathon & 5K Run logo

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 22nd, 2026

Half
5K
Trail
View details for race Byers Peak Stampede Half Marathon & 5K Run
2026 True Impact Ministries 5K/10K logo

2026 True Impact Ministries 5K/10K

Centennial, CO

Saturday, August 22nd, 2026

5K
10K
View details for race 2026 True Impact Ministries 5K/10K
Ram Run logo

Ram Run

Denver, CO

Saturday, August 22nd, 2026

5K
1 Mile
View details for race Ram Run
Rebel Run 5k logo

Rebel Run 5k

Denver, CO

Sunday, August 23rd, 2026

5K
View details for race Rebel Run 5k
Pioneer Prairie Dog Half, 10k & 5k logo

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half
10K
5K
View details for race Pioneer Prairie Dog Half, 10k & 5k
RexRun For PAWSitivity 2026 Trail Run/Walk logo

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, CO

Saturday, August 29th, 2026

5K
1 Mile
Trail
View details for race RexRun For PAWSitivity 2026 Trail Run/Walk
Glow & Roll: Illuminate What's Possible logo

Glow & Roll: Illuminate What's Possible

Littleton, CO

Saturday, August 29th, 2026

5K
1 Mile
View details for race Glow & Roll: Illuminate What's Possible
Run Like the Wind 5k / 2k / Dog Jog logo

Run Like the Wind 5k / 2k / Dog Jog

Allenspark, CO

Saturday, August 29th, 2026

5K
View details for race Run Like the Wind 5k / 2k / Dog Jog
Demon Dash logo

Demon Dash

Arvada, CO

Saturday, September 5th, 2026

5K
View details for race Demon Dash
Golden Harvest Half Marathon & 5k/10k - Denver logo

Golden Harvest Half Marathon & 5k/10k - Denver

Westminster, CO

Saturday, September 5th, 2026

1 Mile
5K
10K
View details for race Golden Harvest Half Marathon & 5k/10k - Denver
Golden Harvest Half Marathon & 5k/10k - Denver logo

Golden Harvest Half Marathon & 5k/10k - Denver

Denver, CO

Saturday, September 5th, 2026

1 Mile
5K
10K
View details for race Golden Harvest Half Marathon & 5k/10k - Denver
Labor Day Half Marathon logo

Labor Day Half Marathon

Parker, CO

Monday, September 7th, 2026

Half
10K
5K
Fast
View details for race Labor Day Half Marathon
FCA All Abilities Labor Day 5K logo

FCA All Abilities Labor Day 5K

Loveland, CO

Monday, September 7th, 2026

5K
View details for race FCA All Abilities Labor Day 5K
FCA All-Abilities Labor Day 5K logo

FCA All-Abilities Labor Day 5K

Loveland, CO

Monday, September 7th, 2026

5K
1 Mile
View details for race FCA All-Abilities Labor Day 5K
14th Annual Superhero Event logo

14th Annual Superhero Event

Greeley, CO

Thursday, September 10th, 2026

10K
5K
1 Mile
View details for race 14th Annual Superhero Event
For The City Network 5K logo

For The City Network 5K

Greeley, CO

Saturday, September 12th, 2026

5K
View details for race For The City Network 5K
The Denver 5k logo

The Denver 5k

Denver, CO

Saturday, September 12th, 2026

5K
View details for race The Denver 5k
6 Dot Dash logo

6 Dot Dash

Littleton, CO

Saturday, September 12th, 2026

5K
View details for race 6 Dot Dash
9/11 Heroes Run - Denver, Colorado logo

9/11 Heroes Run - Denver, Colorado

Denver, CO

Sunday, September 13th, 2026

5K
1 Mile
View details for race 9/11 Heroes Run - Denver, Colorado
RMRR September Trophy Series logo

RMRR September Trophy Series

Thornton, CO

Sunday, September 13th, 2026

10K
5K
Fast
View details for race RMRR September Trophy Series
Tiger Prowl 5K logo

Tiger Prowl 5K

Denver, CO

Sunday, September 13th, 2026

5K
View details for race Tiger Prowl 5K
Severance Glow 5K Run or Walk logo

Severance Glow 5K Run or Walk

Severance, CO

Friday, September 18th, 2026

5K
Trail
View details for race Severance Glow 5K Run or Walk
Wellington STAR Foundation 5K 10K logo

Wellington STAR Foundation 5K 10K

Wellington, CO

Saturday, September 19th, 2026

5K
10K
View details for race Wellington STAR Foundation 5K 10K
Denver: Walk With Autism and Resource Fair logo

Denver: Walk With Autism and Resource Fair

Denver, CO

Saturday, September 19th, 2026

5K
View details for race Denver: Walk With Autism and Resource Fair
Miles 4 Madison 5K & 1K logo

Miles 4 Madison 5K & 1K

Littleton, CO

Saturday, September 19th, 2026

5K
View details for race Miles 4 Madison 5K & 1K
Gummball 5K logo

Gummball 5K

Brighton, CO

Saturday, September 19th, 2026

5K
View details for race Gummball 5K
All-Out Fall Fest logo

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half
10K
5K
Trail
View details for race All-Out Fall Fest
20th Annual Golden Gallop logo

20th Annual Golden Gallop

Golden, CO

Sunday, September 20th, 2026

5K
10K
View details for race 20th Annual Golden Gallop
Farmers 5000 logo

Farmers 5000

Wheat Ridge, CO

Sunday, September 20th, 2026

5K
View details for race Farmers 5000
NIGHT NATION RUN - DENVER logo

NIGHT NATION RUN - DENVER

Commerce City, CO

Saturday, September 26th, 2026

View details for race NIGHT NATION RUN - DENVER
HRCA Oktoberfest 5K logo

HRCA Oktoberfest 5K

Littleton, CO

Saturday, September 26th, 2026

5K
View details for race HRCA Oktoberfest 5K
Parker Parks and Recreation So Long to Summer 5K/10K logo

Parker Parks and Recreation So Long to Summer 5...

Parker, CO

Saturday, September 26th, 2026

5K
10K
View details for race Parker Parks and Recreation So Long to Summer 5K/10K
Runway 5K - Run for the Angels logo

Runway 5K - Run for the Angels

Broomfield, CO

Saturday, September 26th, 2026

5K
View details for race Runway 5K - Run for the Angels
Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States logo

Running for Children's Rights to Both Parents -...

Boulder, CO

Sunday, September 27th, 2026

Half
5K
10K
View details for race Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States
Joy & Justice 5k logo

Joy & Justice 5k

Timnath, CO

Sunday, September 27th, 2026

5K
1 Mile
View details for race Joy & Justice 5k
Lafayette Music Fest -5K - 10K logo

Lafayette Music Fest -5K - 10K

Lafayette, CO

Saturday, October 3rd, 2026

10K
5K
View details for race Lafayette Music Fest -5K - 10K
Spooky Sprint - Denver logo

Spooky Sprint - Denver

Littleton, CO

Saturday, October 3rd, 2026

1 Mile
5K
10K
View details for race Spooky Sprint - Denver
PRA Miner Gold Rush logo

PRA Miner Gold Rush

Broomfield, CO

Saturday, October 3rd, 2026

5K
1 Mile
View details for race PRA Miner Gold Rush
Homecoming 5K - Colorado State University logo

Homecoming 5K - Colorado State University

Fort Collins, CO

Saturday, October 3rd, 2026

5K
View details for race Homecoming 5K - Colorado State University
I Can 5k logo

I Can 5k

Thornton, CO

Saturday, October 3rd, 2026

5K
View details for race I Can 5k
Big Waves Family 5K run/walk Presented by Brumate logo

Big Waves Family 5K run/walk Presented by Brumate

Westminster, CO

Saturday, October 3rd, 2026

5K
View details for race Big Waves Family 5K run/walk Presented by Brumate
Spooky Sprint - Denver logo

Spooky Sprint - Denver

Denver, CO

Saturday, October 3rd, 2026

1 Mile
5K
10K
View details for race Spooky Sprint - Denver
RMRR October Trophy Series logo

RMRR October Trophy Series

Aurora, CO

Sunday, October 4th, 2026

5K
Fast
View details for race RMRR October Trophy Series
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run logo

Windsor Marathon, Half Marathon, 10k, 5k & 1 Mi...

Windsor, CO

Sunday, October 4th, 2026

Marathon
Half
10K
Trail
View details for race Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
The Long View Marathon logo

The Long View Marathon

Fort Collins, CO

Saturday, October 10th, 2026

Marathon
Half
5K
View details for race The Long View Marathon
Footsteps for Families 5k Fun Run & Concert logo

Footsteps for Families 5k Fun Run & Concert

Windsor, CO

Saturday, October 10th, 2026

5K
View details for race Footsteps for Families 5k Fun Run & Concert
Westy Half & 5k logo

Westy Half & 5k

Westminster, CO

Sunday, October 11th, 2026

Half
5K
View details for race Westy Half & 5k
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