Upcoming Races Near Estes Park, CO in April, 2026

Run the Ranch

Loveland, CO

Friday, April 10th, 2026

Featured

10K

5K

Trail

View details for race Run the Ranch

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RMRR Spring Marathon Training Series #2

Thornton, CO

Saturday, April 11th, 2026

10 Miles

Ultra

View details for race RMRR Spring Marathon Training Series #2

Boulder Track Series Meet 1

Longmont, CO

Sunday, April 12th, 2026

1 Mile

View details for race Boulder Track Series Meet 1

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

Arvada, CO

Sunday, April 12th, 2026

Half

10K

5K

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

Prairie Dog Run Series

Louisville, CO

Sunday, April 12th, 2026

Half

View details for race Prairie Dog Run Series

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

5K

Trail

View details for race All-Out Beat the Heat

Great Western Trail Race

Severance, CO

Saturday, April 18th, 2026

5K

10K

Half

Trail

View details for race Great Western Trail Race

Horsetooth Half Marathon - Presented by Fort Co...

Fort Collins, CO

Sunday, April 19th, 2026

Half

Fast

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

NoCo Half Marathon & 10K

Loveland, CO

Saturday, April 25th, 2026

10K

Half

View details for race NoCo Half Marathon & 10K

Bigfoot Half Marathon

Estes Park, CO

Saturday, April 25th, 2026

Half

5K

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

2026 Flying Pig 5K

Fort Collins, CO

Sunday, April 26th, 2026

5K

View details for race 2026 Flying Pig 5K

Blue Heron Half & 5K

Brighton, CO

Sunday, April 26th, 2026

Half

5K

Fast

View details for race Blue Heron Half & 5K

2026 Dash & Dine 5k Run Series

Boulder, CO

Tuesday, April 28th, 2026

5K

View details for race 2026 Dash & Dine 5k Run Series

Explore more in Estes Park, CO

Distances:

5K 10K Half Marathon Marathon

Months:

February March April

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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