20 Upcoming Half Marathon Races Near Cascade, CO

Diplo's Run Club Denver

Denver, CO

Sunday, July 12th, 2026

Featured

Code:FTR10

View details for race Diplo's Run Club Denver

Heatwave Half Marathon - Denver

Littleton, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

Heatwave Half Marathon - Colorado Springs

Colorado Springs, CO

Sunday, July 12th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Colorado Springs

Summer Splash Prairie Dog Half, 10k, & 5k

Castle Rock, CO

Saturday, July 18th, 2026

Half

10K

Trail

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

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Popsicle 5K/10K/Half - Colorado Springs

Colorado Springs, CO

Saturday, August 1st, 2026

10K

Half

Fast

View details for race Popsicle 5K/10K/Half - Colorado Springs

Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 22nd, 2026

Marathon

Half

Trail

View details for race Staunton Rocks! Marathon and Half Marathon

Golden Harvest Half Marathon & 5k/10k - Colorad...

Colorado Springs, CO

Sunday, September 6th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Colorado Springs

Labor Day Half Marathon

Parker, CO

Monday, September 7th, 2026

Half

10K

Fast

View details for race Labor Day Half Marathon

Rim to Rim Royal Gorge Races: 5K Road Run, Trai...

Canon City, CO

Saturday, October 3rd, 2026

Half

10K

Trail

View details for race Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon

Colorado Springs Marathon, Half, 5K, and Kids K

Colorado Springs, CO

Saturday, October 3rd, 2026

Marathon

Half

View details for race Colorado Springs Marathon, Half, 5K, and Kids K

Spooky Sprint - Denver

Littleton, CO

Saturday, October 3rd, 2026

1 Mile

10K

View details for race Spooky Sprint - Denver

HRCA Backcountry Wilderness Half Marathon

Lone Tree, CO

Saturday, November 7th, 2026

Half

Trail

View details for race HRCA Backcountry Wilderness Half Marathon

Turkey Trails- Denver

Littleton, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

Turkey Trails - Colorado Springs

Colorado Springs, CO

Sunday, November 8th, 2026

1 Mile

10K

View details for race Turkey Trails - Colorado Springs

Rock Canyon Half Marathon- 40th Anniversary Run!

Pueblo, CO

Sunday, December 6th, 2026

Half

Trail

Fast

View details for race Rock Canyon Half Marathon- 40th Anniversary Run!

Coffee Lover Run DENVER/AURORA

Centennial, CO

Saturday, January 30th, 2027

10K

Half

View details for race Coffee Lover Run DENVER/AURORA

Stories Trail Runs

Colorado Springs, CO

Saturday, February 6th, 2027

Half

Trail

View details for race Stories Trail Runs

The Toyota Super Half Marathon™& Game Day 5K™

Colorado Springs, CO

Sunday, February 14th, 2027

Half

Fast

View details for race The Toyota Super Half Marathon™& Game Day 5K™

Platte River Half-Marathon, Relay & 5k

Littleton, CO

Sunday, April 11th, 2027

Half

Trail

View details for race Platte River Half-Marathon, Relay & 5k

50 States Half Marathon Club General Membership

Colorado Springs, CO

Friday, February 10th, 2034

Half

Trail

Fast

View details for race 50 States Half Marathon Club General Membership

Fifty States Half Marathon Club Life Membership

Colorado Springs, CO

Saturday, February 11th, 2034

Half

Trail

Fast

View details for race Fifty States Half Marathon Club Life Membership

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