Upcoming Races Near Longmont, CO

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Severance Glow 5K Run or Walk

Severance, CO

Friday, September 18th, 2026

Trail

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Wellington STAR Foundation 5K 10K

Wellington, CO

Saturday, September 19th, 2026

10K

View details for race Wellington STAR Foundation 5K 10K

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

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Gummball 5K

Brighton, CO

Saturday, September 19th, 2026

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20th Annual Golden Gallop

Golden, CO

Sunday, September 20th, 2026

10K

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Farmers 5000

Wheat Ridge, CO

Sunday, September 20th, 2026

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Fall Equinox

Fort Collins, CO

Sunday, September 20th, 2026

Half

Fast

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CG Adventure Club - Elevation Everest

Winter Park, CO

Wednesday, September 23rd, 2026

Trail

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HRCA Oktoberfest 5K

Littleton, CO

Saturday, September 26th, 2026

View details for race HRCA Oktoberfest 5K

NIGHT NATION RUN - DENVER

Commerce City, CO

Saturday, September 26th, 2026

View details for race NIGHT NATION RUN - DENVER

Runway 5K - Run for the Angels

Broomfield, CO

Saturday, September 26th, 2026

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

Estes Epic

Estes Park, CO

Saturday, September 26th, 2026

Ultra

Trail

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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

Joy & Justice 5k

Timnath, CO

Sunday, September 27th, 2026

1 Mile

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RMRR Fall Marathon Training Series #3

Thornton, CO

Sunday, September 27th, 2026

10 Miles

Ultra

View details for race RMRR Fall Marathon Training Series #3

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 - Colorado

Colorado Coyotes Youth XC Invitational

Cenennial, CO

Sunday, September 27th, 2026

View details for race Colorado Coyotes Youth XC Invitational

Lafayette Music Fest -5K - 10K

Lafayette, CO

Saturday, October 3rd, 2026

10K

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

OUTLAST DENVER

Littleton, CO

Saturday, October 3rd, 2026

Trail

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Homecoming 5K - Colorado State University

Fort Collins, CO

Saturday, October 3rd, 2026

View details for race Homecoming 5K - Colorado State University

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

PRA Miner Gold Rush

Broomfield, CO

Saturday, October 3rd, 2026

1 Mile

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The Ruff Run

Loveland, CO

Saturday, October 3rd, 2026

View details for race The Ruff Run

Spooky Sprint - Denver

Denver, CO

Saturday, October 3rd, 2026

1 Mile

10K

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Spooky Sprint - Denver

Littleton, CO

Saturday, October 3rd, 2026

1 Mile

10K

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I Can 5k

Thornton, CO

Saturday, October 3rd, 2026

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HRCA Wildcat Mountain Trail Races

Littleton, CO

Saturday, October 3rd, 2026

10 Miles

10K

Trail

View details for race HRCA Wildcat Mountain Trail Races

RMRR October 5k/8mi

Aurora, CO

Sunday, October 4th, 2026

View details for race RMRR October 5k/8mi

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

Fort Collins, CO

Saturday, October 10th, 2026

Marathon

Half

View details for race The Long View Marathon

Footsteps for Families 5k Fun Run & Concert

Windsor, CO

Saturday, October 10th, 2026

View details for race Footsteps for Families 5k Fun Run & Concert

Westy Half & 5k

Westminster, CO

Sunday, October 11th, 2026

Half

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Living Water 5K Fun Run

Denver, CO

Saturday, October 17th, 2026

View details for race Living Water 5K Fun Run

Blue Sky Trail Marathon & Half Marathon

Fort Collins, CO

Saturday, October 17th, 2026

Trail

View details for race Blue Sky Trail Marathon & Half Marathon

The Great Trailhead Foot Race 5 & 10 Miler

Lakewood, CO

Saturday, October 17th, 2026

10 Miles

View details for race The Great Trailhead Foot Race 5 & 10 Miler

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

Race to Cure Sarcoma Denver

Denver, CO

Saturday, October 24th, 2026

View details for race Race to Cure Sarcoma Denver

Ghosts and Goblins 5K/10K

Denver, CO

Sunday, October 25th, 2026

View details for race Ghosts and Goblins 5K/10K

The 14th Annual Odyssey Odyssey - 2026

Denver, CO

Sunday, October 25th, 2026

1 Mile

View details for race The 14th Annual Odyssey Odyssey - 2026

I Ain't Scared (of 5k)

Thornton, CO

Saturday, October 31st, 2026

View details for race I Ain't Scared (of 5k)

Narrowleaf Lake & Pumpkin Run

Loveland, CO

Saturday, October 31st, 2026

10K

15K

1 Mile

View details for race Narrowleaf Lake & Pumpkin Run

Halloween Fun Run 5k & 1mile - Zombie Theme

Idaho Springs, CO

Saturday, October 31st, 2026

1 Mile

View details for race Halloween Fun Run 5k & 1mile - Zombie Theme

RMRR November Trophy Series

Denver, CO

Sunday, November 1st, 2026

15K

Fast

View details for race RMRR November Trophy Series

Feet for Justice Run

Denver, CO

Sunday, November 1st, 2026

10K

Fast

View details for race Feet for Justice Run

All-Out Kooky-Spooky

Golden, CO

Sunday, November 1st, 2026

Half

10K

Trail

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Turkey Trails- Denver

Lakewood, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

City Park Classic (5k/10k & 1 Mile Walk of Hope...

Denver, CO

Saturday, November 7th, 2026

10K

1 Mile

View details for race City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

Turkey Trails- Denver

Denver, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

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