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Half Marathons Near Denver
Showing the next 50 runs that match your filters
Featured
Rocky Mountain Half Marathon and 5K
Get $10 Off - Use Code VRRUNGUIDES
Date: Jul 31-Aug 1, 2026 - Friday to Saturday
Size: 500 - 1,000 participants
Location: Estes Park, Colorado
Featured
Colorado Springs Marathon, Half, 5K, and Kids K
Run the Springs!
Date: Oct 3, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Colorado Springs, Colorado
Mother's Day Run - Boulder Half, 10k & 5k
Date: May 9, 2026 - Saturday
Size: 100 - 500 participants
Location: Boulder County, Colorado
Hometown Half Marathon & 5k/10k - Denver
Date: May 10, 2026 - Sunday
Size: 100 - 500 participants
Location: Littleton, Colorado
Super Mom 5K/10K/Half - Colorado Springs
Date: May 10, 2026 - Sunday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
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Colfax Marathon
Date: May 16-17, 2026 - Saturday to Sunday
Size: 10,000+ participants
Location: Denver, Colorado
Memorial Day Run 5K/10K/13.1 - Denver/Aurora
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
Run for Breast Cancer 5K/10K/13.1 - Denver/Aurora
Date: Jun 6, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
Colorado 13er, 10k and 5k
Date: Jun 7, 2026 - Sunday
Size: 100 - 500 participants
Location: Louisville, Colorado
All-Out Summer Breeze
Date: Jun 13, 2026 - Saturday
Size: 100 - 500 participants
Location: Arvada, Colorado
Barr Lake Trail Race
Date: Jun 13, 2026 - Saturday
Size: 100 - 500 participants
Location: Commerce City, Colorado
Estes Park Marathon
Date: Jun 20-21, 2026 - Saturday to Sunday
Size: 500 - 1,000 participants
Location: Estes Park, Colorado
Run Juneteenth Day 5K/10K/13.1 - Denver/Aurora
Date: Jun 20, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
July 4th ROCK-IT RUN 5k, Half Marathon & Relay
Date: Jul 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Castle Rock, Colorado
July 4th Run 5K/10K/13.1 - Denver/Aurora
Date: Jul 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
All-Out Dog Days
Date: Jul 11, 2026 - Saturday
Size: 100 - 500 participants
Location: Westminster, Colorado
All-Out Beat the Heat
Date: Jul 11, 2026 - Saturday
Size: 100 - 500 participants
Location: Westminster, Colorado
Heatwave Half Marathon - Denver
Date: Jul 11, 2026 - Saturday
Size: 100 - 500 participants
Location: Denver, Colorado
Summer Splash Prairie Dog Half Marathon, 10k & 5k
Date: Jul 18, 2026 - Saturday
Size: 100 - 500 participants
Location: Castle Rock, Colorado
Run for Coffee Lovers 5K/10K/13.1 - Denver/Aurora
Date: Jul 25, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
Rocky Mountain Half Marathon and 5K
Get $10 Off - Use Code VRRUNGUIDES
Date: Jul 31-Aug 1, 2026 - Friday to Saturday
Size: 500 - 1,000 participants
Location: Estes Park, Colorado
Popsicle 5K/10K/Half - Colorado Springs
Date: Aug 1, 2026 - Saturday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
Bound for Boston Marathon & Half Marathon - Denver
Date: Aug 2, 2026 - Sunday
Size: 1 - 100 participants
Location: Denver, Colorado
All-Out Runapalooza
Date: Aug 8, 2026 - Saturday
Size: 100 - 500 participants
Location: Arvada, Colorado
Westminster Night Trail
Date: Aug 15, 2026 - Saturday
Size: 100 - 500 participants
Location: Westminster, Colorado
Boulder Rez Marathon
Date: Aug 15, 2026 - Saturday
Size: 100 - 500 participants
Location: Boulder, Colorado
Run for PB&J 5K/10K/13.1 - Denver/Aurora
Date: Aug 15, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
Erie Half & 5k
Date: Aug 16, 2026 - Sunday
Size: 100 - 500 participants
Location: Erie, Colorado
Staunton Rocks! Trail Marathon & Half
Date: Aug 22, 2026 - Saturday
Size: 100 - 500 participants
Location: Jefferson County, Colorado
Pioneer Prairie Dog Half Marathon 10k & 5k
Date: Aug 23, 2026 - Sunday
Size: 100 - 500 participants
Location: Westminster, Colorado
Sloth Run 5K/10K/13.1 - Denver/Aurora
Date: Aug 29, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
Golden Harvest Half Marathon, 5k & 10k - Denver
Date: Sep 5, 2026 - Saturday
Size: 100 - 500 participants
Location: Denver, Colorado
Labor Day Half Marathon, 10K and 5K
Date: Sep 7, 2026 - Monday
Size: 500 - 1,000 participants
Location: Parker, Colorado
Ned Ned Trail Fest
Date: Sep 12, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Nederland, Colorado
Ned Ned Half Marathon
Date: Sep 12, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Nederland, Colorado
National Chocolate Day Run for Chocolates 5K/10K/13.1 - Denver/Aurora
Date: Sep 12, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
Nun Run
Date: Sep 13, 2026 - Sunday
Size: 500 - 1,000 participants
Location: Centennial, Colorado
All-Out Fallfest
Date: Sep 19, 2026 - Saturday
Size: 100 - 500 participants
Location: Westminster, Colorado
Oktoberfest Run 5K/10K/13.1 - Denver/Aurora
Date: Sep 26, 2026 - Saturday
Size: 100 - 500 participants
Location: Centennial, Colorado
Boulderthon: Boulder Marathon
Date: Sep 27, 2026 - Sunday
Size: 10,000+ participants
Location: Boulder, Colorado
The Bear Chase Trail Races
Date: Oct 3-4, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Lakewood, Colorado
Spooky Sprint - Denver
Date: Oct 3, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Littleton, Colorado
Westy Half & 5k
Date: Oct 11, 2026 - Sunday
Size: 100 - 500 participants
Location: Westminster, Colorado
All-Out Kooky-Spooky
Date: Nov, 2026 (TBD)
Size: 500 - 1,000 participants
Location: Arvada, Colorado
Louisville Trail Race
Date: Nov, 2026 (TBD)
Size: 500 - 1,000 participants
Location: Louisville, Colorado
TURKEY TREK (13.1, 10k, 5k & 2k)
Date: Nov 21, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Arvada, Colorado
All-Out Fa La La
Date: Dec, 2026 (TBD)
Size: 500 - 1,000 participants
Location: Westminster, Colorado
New Year New Me Run 5K, 10K, and 13.1 - Denver/Aurora
Date: Jan, 2027 (TBD)
Size: 100 - 500 participants
Location: Centennial, Colorado
All-Out Polar Prowl
Date: Jan, 2027 (TBD)
Size: 100 - 500 participants
Location: Arvada, Colorado
MLK Freedom Run 5K/10K/13.1 - Denver/Aurora
Date: Jan, 2027 (TBD)
Size: 100 - 500 participants
Location: Centennial, Colorado
Chilly Willy 5K/10K/Half Marathon - Colorado Springs
Date: Jan, 2027 (TBD)
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
Chilly Willy 5K/10K/Half Marathon - Denver
Date: Jan, 2027 (TBD)
Size: 100 - 500 participants
Location: Littleton, Colorado
