Upcoming Races Near Longmont, CO

Name: Bigfoot Half Marathon
Start: 2026-04-25
End: 2026-04-25
Location: Estes Park

Santa's Dash for Ca$h

Denver, CO

Saturday, December 20th, 2025

Featured

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Run Like a Reindeer 5K

Winter Park, CO

Saturday, December 20th, 2025

Trail

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Ugly Sweater 5K

Denver, CO

Sunday, December 21st, 2025

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Candy Cane Course - Denver

Denver, CO

Saturday, December 27th, 2025

1 Mile

12K

View details for race Candy Cane Course - Denver

Candy Cane Course - Denver

Westminster, CO

Saturday, December 27th, 2025

1 Mile

12K

View details for race Candy Cane Course - Denver

Resolution Run 5K

Fort Collins, CO

Wednesday, December 31st, 2025

View details for race Resolution Run 5K

Resolution Run - Fort Collins

Fort Collins, CO

Wednesday, December 31st, 2025

View details for race Resolution Run - Fort Collins

TEST RACE

Boulder, CO

Wednesday, December 31st, 2025

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Steve's Event Page TEST RACE

Morrison, CO

Wednesday, December 31st, 2025

View details for race Steve's Event Page TEST RACE

Hair of the Jog - Shoes & Brews New Year's Run ...

Longmont, CO

Thursday, January 1st, 2026

View details for race Hair of the Jog - Shoes & Brews New Year's Run Club 6k Run and Cheers

Resolute Runner 5k

Arvada, CO

Thursday, January 1st, 2026

Trail

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RunningU/Horsetooth Half Marathon Training

Fort Collins, CO

Sunday, January 4th, 2026

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Sentinel Flurry

Golden, CO

Saturday, January 10th, 2026

1 Mile

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All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026

Half

10K

Trail

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Colorado Cold Rush

Louisville, CO

Sunday, January 18th, 2026

10K

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Arctic Prairie Dog Half, 10k & 5k

Louisville, CO

Sunday, January 18th, 2026

Half

10K

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

Polar Bear Run and Plunge

Fort Collins, CO

Saturday, January 24th, 2026

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Freakin Freezin 5K - Denver

Denver, CO

Sunday, January 25th, 2026

View details for race Freakin Freezin 5K - Denver

Yeti Chase 5k/10k

Morrison, CO

Sunday, January 25th, 2026

10K

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Westy Winter Waggle 5&10k

Westminster, CO

Saturday, February 7th, 2026

10K

View details for race Westy Winter Waggle 5&10k

Parker Parks and Recreation Love 'em or Leave '...

Parker, CO

Saturday, February 14th, 2026

10K

View details for race Parker Parks and Recreation Love 'em or Leave 'em Valentine's Day 5K/10K

Heart Throb 5k

Arvada, CO

Saturday, February 14th, 2026

Fast

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Sweetheart Classic

Loveland, CO

Saturday, February 14th, 2026

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Ralston Creek Half Marathon & 5k

Arvada, CO

Sunday, February 15th, 2026

Trail

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Chilly Cheeks Duathlon

Englewood, CO

Saturday, February 21st, 2026

Fast

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Highlands Ranch 5k

Highlands Ranch, CO

Sunday, February 22nd, 2026

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Bacon Strip Race

Fort Collins, CO

Sunday, February 22nd, 2026

10 Miles

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All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

Trail

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Time to Paddy 5k/10k & Lucky 13.1 - Denver

Denver, CO

Saturday, February 28th, 2026

10K

Half

View details for race Time to Paddy 5k/10k & Lucky 13.1 - Denver

Lucky Brew Race 5K, 10K, 15k & Half Marathon

Severance, CO

Saturday, March 14th, 2026

10K

15K

View details for race Lucky Brew Race 5K, 10K, 15k & Half Marathon

Sharin' O' The Green 5k

Fort Collins, CO

Saturday, March 14th, 2026

Fast

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HRCA St. Patrick's Day 5K

Highlands Ranch, CO

Saturday, March 14th, 2026

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Erin Go Bragh 7.77k

Westminster, CO

Saturday, March 14th, 2026

View details for race Erin Go Bragh 7.77k

Lucky Brew Race 5K, 10K, and 15K

Windsor, CO

Saturday, March 21st, 2026

10K

15K

Trail

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Central Park 5k

Denver, CO

Sunday, March 22nd, 2026

Fast

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All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

Trail

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Cryogenic Cannibal Chase

Estes Park, CO

Saturday, March 28th, 2026

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Spring Equinox

Wellington, CO

Sunday, March 29th, 2026

Half

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Three Creeks Half Marathon

Englewood, CO

Sunday, April 5th, 2026

Half

Trail

Fast

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Run the Ranch

Loveland, CO

Friday, April 10th, 2026

10K

Trail

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Prairie Dog Run Series

Louisville, CO

Sunday, April 12th, 2026

Half

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Donut Dash

Denver, CO

Sunday, April 12th, 2026

Fast

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Spring Fling Prairie Dog Half, 10k, & 5k

Arvada, CO

Sunday, April 12th, 2026

Half

10K

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

Platte River Half-Marathon and Relay

Littleton, CO

Sunday, April 12th, 2026

Half

Trail

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Healthy Kids Running Series Spring 2026 - Denve...

Denver, CO

Sunday, April 12th, 2026

View details for race Healthy Kids Running Series Spring 2026 - Denver, CO

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

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Great Western Trail Race

Severance, CO

Saturday, April 18th, 2026

10K

Half

Trail

Fast

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Horsetooth Half Marathon - Presented by Fort Co...

Fort Collins, CO

Sunday, April 19th, 2026

Half

Trail

Fast

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DoNot Stop Half Marathon (5k/10k) - Denver

Littleton, CO

Sunday, April 19th, 2026

10K

1 Mile

View details for race DoNot Stop Half Marathon (5k/10k) - Denver

Bigfoot Half Marathon

Estes Park, CO

Saturday, April 25th, 2026

Half

View details for race Bigfoot Half Marathon

Explore more in Longmont, CO

Distances:

5K 10K Half Marathon Marathon

Months:

December January February

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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