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Upcoming Half Marathon Races Near Fraser, CO

Hometown Half Marathon & 5k/10k - Denver

Westminster, CO

Saturday, June 21st, 2025

5K

10K

Half

View details for race Hometown Half Marathon & 5k/10k - Denver

Fleet Feet Denver Fall Half-Marathon Twelve-Wee...

Littleton, CO

Tuesday, July 8th, 2025

Half

View details for race Fleet Feet Denver Fall Half-Marathon Twelve-Week Training Program

All-Out Dog Days

Westminster, CO

Saturday, July 12th, 2025

Half

10K

5K

Trail

View details for race All-Out Dog Days

Rocky Mountain Half Marathon & 5K

Estes Park, CO

Friday, August 1st, 2025

10K

Half

5K

View details for race Rocky Mountain Half Marathon & 5K

All-Out Runapalooza

Arvada, CO

Saturday, August 2nd, 2025

Half

10K

5K

Trail

View details for race All-Out Runapalooza

Erie Half & 5k

Erie, CO

Sunday, August 17th, 2025

Half

5K

View details for race Erie Half & 5k

Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 23rd, 2025

Marathon

Half

Trail

View details for race Staunton Rocks! Marathon and Half Marathon

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 23rd, 2025

Half

5K

View details for race Byers Peak Stampede Half Marathon & 5K Run

Staunton Rocks! Marathon & Half

Conifer, CO

Saturday, August 23rd, 2025

Half

Marathon

Trail

View details for race Staunton Rocks! Marathon & Half

Calarat Challenge Trail Running Festival

Jamestown, CO

Saturday, August 30th, 2025

Half

10K

5K

Trail

View details for race Calarat Challenge Trail Running Festival

All-Out Fall Fest

Westminster, CO

Saturday, September 13th, 2025

Half

10K

5K

Trail

View details for race All-Out Fall Fest

Spooky Sprint - Denver

Littleton, CO

Sunday, September 14th, 2025

1 Mile

5K

10K

View details for race Spooky Sprint - Denver

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Saturday, September 27th, 2025

10K

5K

Half

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

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

Louisville, CO

Sunday, October 5th, 2025

5K

Half

View details for race Layafette Music Fest Half-Marathon/10K/5K

Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

5K

Half

View details for race Westy Half & 5k

All-Out Kooky-Spooky

Golden, CO

Sunday, November 2nd, 2025

Half

10K

5K

Trail

View details for race All-Out Kooky-Spooky

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

Arvada, CO

Saturday, November 22nd, 2025

10K

5K

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

5K

Trail

View details for race All-Out Fa La La

All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026

Half

10K

5K

Trail

View details for race All-Out Polar Prowl

Arctic Prairie Dog Half, 10k & 5k

Louisville, CO

Sunday, January 18th, 2026

Half

10K

5K

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

All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

5K

Trail

View details for race All-Out Mardi Crawl

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

5K

Trail

View details for race All-Out Spring Fever

Platte River Half-Marathon and Relay

Littleton, CO

Sunday, April 12th, 2026

Half

Trail

View details for race Platte River Half-Marathon and Relay

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

5K

Trail

View details for race All-Out Beat the Heat

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