Upcoming 5K Races Near Fraser, CO

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Muddy Dash | Denver 2026

Dacono, CO

Saturday, June 20th, 2026

View details for race Muddy Dash | Denver 2026

Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

View details for race Unicorn 5k (North)

VIRTUAL 14th Annual Buffs4Life Kyle MacIntosh M...

Boulder, CO

Sunday, June 21st, 2026

View details for race VIRTUAL 14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk

Father's Day Classic 10k, 5k, & 1 Mile

Arvada, CO

Sunday, June 21st, 2026

10K

1 Mile

View details for race Father's Day Classic 10k, 5k, & 1 Mile

Sunset Trail Running Festival

Boulder, CO

Sunday, June 21st, 2026

12K

Trail

View details for race Sunset Trail Running Festival

14th Annual Buffs4Life Kyle MacIntosh Memorial ...

Boulder, CO

Sunday, June 21st, 2026

View details for race 14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk

The Red Schoolhouse Run

Louisville, CO

Tuesday, June 23rd, 2026

View details for race The Red Schoolhouse Run

The Four Legged 5k

Bailey, CO

Friday, June 26th, 2026

View details for race The Four Legged 5k

Before The Fourth 5k

Littleton, CO

Saturday, June 27th, 2026

View details for race Before The Fourth 5k

Fitness Expo On Tap at the Colorado Tap House

Arvada, CO

Saturday, June 27th, 2026

1 Mile

View details for race Fitness Expo On Tap at the Colorado Tap House

Firework Color Run

Berthoud, CO

Saturday, June 27th, 2026

1 Mile

View details for race Firework Color Run

Let Freedom Run 5k - LONGMONT

Longmont, CO

Saturday, July 4th, 2026

View details for race Let Freedom Run 5k - LONGMONT

Burro Buster 5k

Fairplay, CO

Saturday, July 4th, 2026

Trail

View details for race Burro Buster 5k

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Saturday, July 4th, 2026

10K

View details for race Let Freedom Run 5k/10k - Louisville

HRCA Independence Day 5K

Littleton, CO

Saturday, July 4th, 2026

View details for race HRCA Independence Day 5K

BRR All-Comers Summer Track & Field Series #3

Boulder, CO

Thursday, July 9th, 2026

1 Mile

View details for race BRR All-Comers Summer Track & Field Series #3

Heatwave Half Marathon - Denver

Littleton, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

Festival in the Clouds Firefighter 5K, Fun Run ...

Alma, CO

Saturday, July 18th, 2026

View details for race Festival in the Clouds Firefighter 5K, Fun Run and Doggie Dash

Heritage Eagles 5K

Littleton, CO

Saturday, July 18th, 2026

Fast

View details for race Heritage Eagles 5K

Spirit of the West 5K Run/Walk

Golden, CO

Sunday, July 26th, 2026

View details for race Spirit of the West 5K Run/Walk

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

View details for race All-Out Runapalooza

Summer Sizzler- Denver

Thornton, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

The Bullfrog Summer Surge

Lakewood, CO

Sunday, August 9th, 2026

View details for race The Bullfrog Summer Surge

Pancake Stampede 5K

Littleton, CO

Sunday, August 9th, 2026

View details for race Pancake Stampede 5K

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

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

Glow & Roll: Illuminate What's Possible

Littleton, CO

Saturday, August 29th, 2026

1 Mile

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

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

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

6 Dot Dash

Littleton, CO

Saturday, September 12th, 2026

View details for race 6 Dot Dash

RMRR September Trophy Series

Thornton, CO

Sunday, September 13th, 2026

10K

Fast

View details for race RMRR September Trophy Series

Miles 4 Madison 5K & 1K

Littleton, CO

Saturday, September 19th, 2026

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

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

View details for race All-Out Fall Fest

Farmers 5000

Wheat Ridge, CO

Sunday, September 20th, 2026

View details for race Farmers 5000

20th Annual Golden Gallop

Golden, CO

Sunday, September 20th, 2026

10K

View details for race 20th Annual Golden Gallop

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

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

Lafayette Music Fest -5K - 10K

Lafayette, CO

Saturday, October 3rd, 2026

10K

View details for race Lafayette Music Fest -5K - 10K

PRA Miner Gold Rush

Broomfield, CO

Saturday, October 3rd, 2026

1 Mile

View details for race PRA Miner Gold Rush

Spooky Sprint - Denver

Littleton, CO

Saturday, October 3rd, 2026

1 Mile

10K

View details for race Spooky Sprint - Denver

I Can 5k

Thornton, CO

Saturday, October 3rd, 2026

View details for race I Can 5k

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

Breckenridge RunFest

Breckenridge, CO

Saturday, October 10th, 2026

Marathon

Half

10K

View details for race Breckenridge RunFest

Westy Half & 5k

Westminster, CO

Sunday, October 11th, 2026

Half

View details for race Westy Half & 5k

Apex Foundation Trick or Trot 5K & Halloween Hunt

Arvada, CO

Saturday, October 24th, 2026

1 Mile

View details for race Apex Foundation Trick or Trot 5K & Halloween Hunt

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