Upcoming Races Near Estes Park, CO

Name: Blue Sky Ascent & Round Trip (formerly the Mt. Evans Ascent)
Start: 2026-06-28
End: 2026-06-28
Location: Idaho Springs

Run Like a Reindeer 5K

Winter Park, CO

Saturday, December 20th, 2025

Featured

Trail

View details for race Run Like a Reindeer 5K

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Candy Cane Course - Denver

Westminster, CO

Saturday, December 27th, 2025

1 Mile

12K

View details for race Candy Cane Course - Denver

TEST RACE

Boulder, CO

Wednesday, December 31st, 2025

View details for race TEST RACE

Resolution Run - Fort Collins

Fort Collins, CO

Wednesday, December 31st, 2025

View details for race Resolution Run - Fort Collins

Resolution Run 5K

Fort Collins, CO

Wednesday, December 31st, 2025

View details for race Resolution Run 5K

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

View details for race RunningU/Horsetooth Half Marathon Training

All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026

Half

10K

Trail

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Sentinel Flurry

Golden, CO

Saturday, January 10th, 2026

1 Mile

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Colorado Cold Rush

Louisville, CO

Sunday, January 18th, 2026

10K

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Arctic Prairie Dog 10k & 5k

Louisville, CO

Sunday, January 18th, 2026

Half

10K

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

Polar Bear Run and Plunge

Fort Collins, CO

Saturday, January 24th, 2026

View details for race Polar Bear Run and Plunge

Westy Winter Waggle 5&10k

Westminster, CO

Saturday, February 7th, 2026

10K

View details for race Westy Winter Waggle 5&10k

Sweetheart Classic

Loveland, CO

Saturday, February 14th, 2026

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Heart Throb 5k

Arvada, CO

Saturday, February 14th, 2026

Fast

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Ralston Creek Half Marathon & 5k

Arvada, CO

Sunday, February 15th, 2026

Trail

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All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

Trail

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Bacon Strip Race

Fort Collins, CO

Sunday, February 22nd, 2026

10 Miles

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

Windsor, CO

Saturday, March 21st, 2026

10K

15K

Trail

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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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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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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

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

View details for race Horsetooth Half Marathon - Presented by Fort Collins Connexion

Bigfoot Half Marathon

Estes Park, CO

Saturday, April 25th, 2026

Half

View details for race Bigfoot Half Marathon

Runs With Scissors Races

Brighton, CO

Saturday, April 25th, 2026

Half

Marathon

Ultra

View details for race Runs With Scissors Races

Friends of the National Center Science Stride 5K

Boulder, CO

Friday, May 1st, 2026

View details for race Friends of the National Center Science Stride 5K

Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

View details for race Longmont Half & 5k (LM Half)

The Colorado Marathon

Fort Collins, CO

Sunday, May 3rd, 2026

Marathon

Half

10K

View details for race The Colorado Marathon

Quad Rock 25 & 50 Mile Trail Races

Bellvue, CO

Saturday, May 9th, 2026

Ultra

Trail

View details for race Quad Rock 25 & 50 Mile Trail Races

Colorado Women's Classic - Westminster

Westminster, CO

Sunday, May 10th, 2026

10K

10 Miles

View details for race Colorado Women's Classic - Westminster

Weld Your Mettle Running Festival

Eaton, CO

Saturday, May 30th, 2026

Ultra

Marathon

View details for race Weld Your Mettle Running Festival

Summits Trail Runs

Granby, CO

Saturday, June 6th, 2026

1 Mile

Trail

View details for race Summits Trail Runs

StepUp For Women And Recovery

Fort Collins, CO

Saturday, June 6th, 2026

View details for race StepUp For Women And Recovery

J-Town Jog 5K and Youth Mile

Johnstown, CO

Saturday, June 6th, 2026

1 Mile

View details for race J-Town Jog 5K and Youth Mile

Colorado 13er (Half Marathon/10k/5k)

Louisville, CO

Sunday, June 7th, 2026

Half

10K

Trail

View details for race Colorado 13er (Half Marathon/10k/5k)

Guardian Games

Loveland, CO

Saturday, June 13th, 2026

View details for race Guardian Games

All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

Trail

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Red, White and Brew 5k, 10k, Half Marathon & 12...

Windsor, CO

Saturday, June 20th, 2026

10K

Half

View details for race Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing

Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

View details for race Unicorn 5k (North)

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

Blue Sky Ascent & Round Trip (formerly the Mt. ...

Idaho Springs, CO

Sunday, June 28th, 2026

View details for race Blue Sky Ascent & Round Trip (formerly the Mt. Evans Ascent)

Explore more in Estes Park, 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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