Upcoming 5K Races Near Westminster, CO

Organize a race? Get it in front of thousands of runners.

Add it free Feature it

Choice City Running Festival

Fort Collins, CO

Friday, August 7th, 2026

1 Mile

Half

10K

View details for race Choice City Running Festival

RMRR August Trophy Series

Centennial, CO

Friday, August 7th, 2026

View details for race RMRR August Trophy Series

Summer Sizzler- Denver

Thornton, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

View details for race All-Out Runapalooza

Arapahoe Warrior 5K

Centennial, CO

Saturday, August 8th, 2026

View details for race Arapahoe Warrior 5K

Pancake Stampede 5K

Littleton, CO

Sunday, August 9th, 2026

View details for race Pancake Stampede 5K

The Bullfrog Summer Surge

Lakewood, CO

Sunday, August 9th, 2026

View details for race The Bullfrog Summer Surge

Frontier Academy Community 5K

Greeley, CO

Saturday, August 15th, 2026

View details for race Frontier Academy Community 5K

Miles for Migraine Colorado

Denver, CO

Saturday, August 15th, 2026

View details for race Miles for Migraine Colorado

Sunrise Stampede

Longmont, CO

Saturday, August 15th, 2026

1 Mile

View details for race Sunrise Stampede

Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

View details for race Erie Half & 5k

Cancer League of Colorado Race 4 Research

Denver, CO

Sunday, August 16th, 2026

View details for race Cancer League of Colorado Race 4 Research

Ram Run

Denver, CO

Saturday, August 22nd, 2026

1 Mile

View details for race Ram Run

2026 True Impact Ministries 5K/10K

Centennial, CO

Saturday, August 22nd, 2026

10K

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

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 22nd, 2026

Half

Trail

View details for race Byers Peak Stampede Half Marathon & 5K Run

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

View details for race Pioneer Prairie Dog Half, 10k & 5k

Rebel Run 5k

Denver, CO

Sunday, August 23rd, 2026

View details for race Rebel Run 5k

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

Allenspark, CO

Saturday, August 29th, 2026

View details for race Run Like the Wind 5k / 2k / Dog Jog

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, CO

Saturday, August 29th, 2026

1 Mile

Trail

View details for race RexRun For PAWSitivity 2026 Trail Run/Walk

Historic Elizabeth Main Street 5K & Family Colo...

Elizabeth, CO

Saturday, August 29th, 2026

1 Mile

View details for race Historic Elizabeth Main Street 5K & Family Color Run

Glow & Roll: Illuminate What's Possible

Littleton, CO

Saturday, August 29th, 2026

1 Mile

View details for race Glow & Roll: Illuminate What's Possible

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

Westminster, CO

Saturday, September 5th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Denver

Demon Dash

Arvada, CO

Saturday, September 5th, 2026

View details for race Demon Dash

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

Denver, CO

Saturday, September 5th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Denver

Labor Day Half Marathon

Parker, CO

Monday, September 7th, 2026

Half

10K

Fast

View details for race Labor Day Half Marathon

FCA All Abilities Labor Day 5K

Loveland, CO

Monday, September 7th, 2026

View details for race FCA All Abilities Labor Day 5K

FCA All-Abilities Labor Day 5K

Loveland, CO

Monday, September 7th, 2026

1 Mile

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

14th Annual Superhero Event

Greeley, CO

Thursday, September 10th, 2026

10K

1 Mile

View details for race 14th Annual Superhero Event

The Denver 5k

Denver, CO

Saturday, September 12th, 2026

View details for race The Denver 5k

For The City Network 5K

Greeley, CO

Saturday, September 12th, 2026

View details for race For The City Network 5K

6 Dot Dash

Littleton, CO

Saturday, September 12th, 2026

View details for race 6 Dot Dash

9/11 Heroes Run - Denver, Colorado

Denver, CO

Sunday, September 13th, 2026

1 Mile

View details for race 9/11 Heroes Run - Denver, Colorado

RMRR September Trophy Series

Thornton, CO

Sunday, September 13th, 2026

10K

Fast

View details for race RMRR September Trophy Series

Tiger Prowl 5K

Denver, CO

Sunday, September 13th, 2026

View details for race Tiger Prowl 5K

Severance Glow 5K Run or Walk

Severance, CO

Friday, September 18th, 2026

Trail

View details for race Severance Glow 5K Run or Walk

Gummball 5K

Brighton, CO

Saturday, September 19th, 2026

View details for race Gummball 5K

Miles 4 Madison 5K & 1K

Littleton, CO

Saturday, September 19th, 2026

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

Denver: Walk With Autism and Resource Fair

Denver, CO

Saturday, September 19th, 2026

View details for race Denver: Walk With Autism and Resource Fair

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

View details for race All-Out Fall Fest

20th Annual Golden Gallop

Golden, CO

Sunday, September 20th, 2026

10K

View details for race 20th Annual Golden Gallop

Farmers 5000

Wheat Ridge, CO

Sunday, September 20th, 2026

View details for race Farmers 5000

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

Parker, CO

Saturday, September 26th, 2026

10K

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

HRCA Oktoberfest 5K

Littleton, CO

Saturday, September 26th, 2026

View details for race HRCA Oktoberfest 5K

Runway 5K - Run for the Angels

Broomfield, CO

Saturday, September 26th, 2026

View details for race Runway 5K - Run for the Angels

NIGHT NATION RUN - DENVER

Commerce City, CO

Saturday, September 26th, 2026

View details for race NIGHT NATION RUN - DENVER

Joy & Justice 5k

Timnath, CO

Sunday, September 27th, 2026

1 Mile

View details for race Joy & Justice 5k

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

Boulder, CO

Sunday, September 27th, 2026

Half

10K

View details for race Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States

PRA Miner Gold Rush

Broomfield, CO

Saturday, October 3rd, 2026

1 Mile

View details for race PRA Miner Gold Rush

Big Waves Family 5K run/walk Presented by Brumate

Westminster, CO

Saturday, October 3rd, 2026

View details for race Big Waves Family 5K run/walk Presented by Brumate

Prev 13 4 Next

Explore more in Westminster, CO

Jump straight to races by distance, month, or type.

Distance

5K 10K Half Marathon Marathon

Month

June July August

Race type

Trail Boston Qualifiers Fast Courses

Run clubs

Run clubs in Westminster

Nearby

Arvada Broomfield Thornton Louisville Denver Lakewood All Colorado races