Upcoming Half Marathon Races Near Georgetown, CO

Name: Race in the Clouds - Alma Dirt Festival 2026
Start: 2026-06-27
End: 2026-06-27
Location: Alma

All-Out Dog Days

Westminster, CO

Saturday, July 12th, 2025

Half

10K

Trail

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Rocky Mountain Half Marathon & 5K

Estes Park, CO

Friday, August 1st, 2025

10K

Half

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All-Out Runapalooza

Arvada, CO

Saturday, August 2nd, 2025

Half

10K

Trail

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Bound for Boston Marathon & Half Marathon - Denver

Denver, CO

Sunday, August 3rd, 2025

Marathon

Half

Fast

View details for race Bound for Boston Marathon & Half Marathon - Denver

Erie Half & 5k

Erie, CO

Sunday, August 17th, 2025

Half

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Staunton Rocks! Marathon & Half

Conifer, CO

Saturday, August 23rd, 2025

Half

Marathon

Trail

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Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 23rd, 2025

Marathon

Half

Trail

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Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 23rd, 2025

Half

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Calarat Challenge Trail Running Festival

Jamestown, CO

Saturday, August 30th, 2025

Half

10K

Trail

View details for race Calarat Challenge Trail Running Festival

National Chocolate Day: Run for Chocolates DENV...

Centennial, CO

Saturday, September 13th, 2025

10K

Half

View details for race National Chocolate Day: Run for Chocolates DENVER/AURORA

All-Out Fall Fest

Westminster, CO

Saturday, September 13th, 2025

Half

10K

Trail

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Spooky Sprint - Denver

Denver, CO

Sunday, September 14th, 2025

10K

1 Mile

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Spooky Sprint - Denver

Littleton, CO

Sunday, September 14th, 2025

1 Mile

10K

View details for race Spooky Sprint - Denver

National Singles Day: Singles & Friends Running...

Centennial, CO

Saturday, September 27th, 2025

10K

Half

View details for race National Singles Day: Singles & Friends Running DENVER/AURORA

National Coffee Day: Run for Coffee DENVER/AURORA

Centennial, CO

Saturday, September 27th, 2025

10K

Half

View details for race National Coffee Day: Run for Coffee DENVER/AURORA

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Saturday, September 27th, 2025

10K

Half

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

Layafette Music Fest Half-Marathon/10K/5K

Louisville, CO

Sunday, October 5th, 2025

Half

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Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

Half

View details for race Westy Half & 5k

All-Out Kooky-Spooky

Golden, CO

Sunday, November 2nd, 2025

Half

10K

Trail

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HRCA Backcountry Wilderness Half Marathon

Lone Tree, CO

Saturday, November 8th, 2025

Half

Trail

View details for race HRCA Backcountry Wilderness Half Marathon

10k Turkey Trek & 5k Turkey Trot - Now With HAL...

Arvada, CO

Saturday, November 22nd, 2025

10K

Half

Trail

View details for race 10k Turkey Trek & 5k Turkey Trot - Now With HALF MARATHON DISTANCE!

All-Out Fa La La

Westminster, CO

Saturday, December 6th, 2025

Half

10K

Trail

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All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026

Half

10K

Trail

View details for race All-Out Polar Prowl

Arctic Prairie Dog Half, 10k & 5k

Louisville, CO

Sunday, January 18th, 2026

Half

10K

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

All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

Trail

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All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

Trail

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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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All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

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Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

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

Louisville, CO

Sunday, June 7th, 2026

Half

10K

Trail

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All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

Trail

View details for race All-Out Summer Breeze

Race in the Clouds - Alma Dirt Festival 2026

Alma, CO

Saturday, June 27th, 2026

Marathon

Half

1 Mile

Trail

View details for race Race in the Clouds - Alma Dirt Festival 2026

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