Upcoming Half Marathon Races Near Castle Rock, CO

Name: Fifty States Half Marathon Club Life Membership
Start: 2034-02-11
End: 2034-02-11
Location: Colorado Springs

Turkey Trails- Denver

Lakewood, CO

Saturday, November 1st, 2025

Featured

1 Mile

10K

View details for race Turkey Trails- Denver

Want to feature your race?

Get your race seen first by thousands of runners

Learn More

Learn how to feature your race

All-Out Kooky-Spooky

Golden, CO

Sunday, November 2nd, 2025

Half

10K

Trail

View details for race All-Out Kooky-Spooky

Turkey Trails - Colorado Springs

Colorado Springs, CO

Sunday, November 2nd, 2025

1 Mile

10K

View details for race Turkey Trails - Colorado Springs

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

Half

10K

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

View details for race All-Out Fa La La

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

Chilly Willy 5K/10K/Half Marathon-Colorado Springs

Colorado Springs, CO

Saturday, January 24th, 2026

10K

Half

View details for race Chilly Willy 5K/10K/Half Marathon-Colorado Springs

Super Half Marathon™ & Game Day 5K™ Presented b...

Colorado Springs, CO

Sunday, February 8th, 2026

Half

Fast

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

Stories Trail Runs

Colorado Springs, CO

Saturday, February 21st, 2026

Half

Trail

View details for race Stories Trail Runs

All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

Trail

View details for race All-Out Mardi Crawl

Time to Paddy 5k/10k & Lucky 13.1 - Denver

Denver, CO

Saturday, February 28th, 2026

10K

Half

View details for race Time to Paddy 5k/10k & Lucky 13.1 - Denver

Time to Paddy 5k/10k & Lucky 13.1 - Colorado Sp...

Colorado Springs, CO

Sunday, March 1st, 2026

10K

Half

View details for race Time to Paddy 5k/10k & Lucky 13.1 - Colorado Springs

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

Trail

View details for race All-Out Spring Fever

Three Creeks Half Marathon

Englewood, CO

Sunday, April 5th, 2026

Half

Trail

Fast

View details for race Three Creeks Half Marathon

Platte River Half-Marathon and Relay

Littleton, CO

Sunday, April 12th, 2026

Half

Trail

View details for race Platte River Half-Marathon and Relay

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

View details for race All-Out Beat the Heat

Runs With Scissors Races

Brighton, CO

Saturday, April 25th, 2026

Half

Marathon

Ultra

View details for race Runs With Scissors Races

Hometown Half Marathon & 5k/10k - Colorado Springs

Colorado Springs, CO

Saturday, May 9th, 2026

10K

Half

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

Hometown Half Marathon & 5k/10k - Denver

Denver, CO

Sunday, May 10th, 2026

10K

Half

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

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)

All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

Trail

View details for race All-Out Summer Breeze

Heatwave Half Marathon - Denver

Denver, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

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

Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

View details for race Erie Half & 5k

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

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

Golden Harvest Half Marathon & 5k/10k - Denver

Denver, CO

Saturday, September 5th, 2026

10K

Half

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

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

Colorado Springs, CO

Sunday, September 6th, 2026

10K

Half

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

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

View details for race All-Out Fall Fest

Spooky Sprint - Denver

Denver, CO

Saturday, October 3rd, 2026

1 Mile

10K

View details for race Spooky Sprint - Denver

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

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

Explore more in Castle Rock, CO

Distances:

5K 10K Half Marathon Marathon

Months:

October November December

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

Don't see your race? Add it!

Add Your Race (Free)