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Run Vibes

Half Marathons in Denver Metro

Denver Metro has 49 upcoming Half Marathons. Half marathons are the fastest-growing race distance, offering a true endurance challenge with a more accessible training window than the full marathon.

49 upcoming races listed

Fun racesScenic racesCompetitive racesQuirky racesFestive racesFor a Cause racesBeginner-friendly
Platte River Half-Marathon, Relay & 5k

Run alongside the scenic Platte River Trail, then celebrate your achievement with an epic post-race party at Breckenridge Brewery.

  • Fun
  • Scenic
  • Festive
  • For a Cause
Sun, Apr 12, 2026, 7:00 AM MDT13.1 MilesLittleton, CO
Push PotentialRUN

Course · Hilly · Timed race

Spring Fling Prairie Dog Half, 10k, & 5k

Celebrate spring with a run in Arvada, CO, offering half marathon, 10k, and 5k distances as part of the Prairie Dog Half Race Series.

  • Festive
Sun, Apr 12, 2026, 8:00 AM MDT13.1 MilesArvada, CO
Push PotentialRUN

Course · Hilly · Timed race

Prairie Dog Run Series

Join Peedy the Prairie Dog for a seasonal run series across Colorado, offering multiple distances and locations to fit your running plans.

  • Fun
  • Quirky
Sun, Apr 12, 2026, 8:00 AM MDT13.1 MilesLouisville, CO
Push PotentialRUN

Course · Hilly · Timed race

All-Out Beat the Heat

Embrace your inner hero on a scenic, hilly half marathon that's a BOLDERBoulder qualifier and supports Adaptive Adventures.

  • Fun
  • Scenic
  • Competitive
  • Quirky
  • For a Cause
Sat, Apr 18, 2026, 7:00 AM MDT13.1 MilesWestminster, CO
Push PotentialRUN

Course · Hilly · Timed race

Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA

A supportive, coffee-themed run in Centennial, offering 5K, 10K, and Half-Marathon distances with a charitable impact.

  • Fun
  • For a Cause
Sat, Apr 25, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

Run for Donuts 5K/10K/13.1 DENVER/AURORA

Run for the sweet reward of donuts at the finish line, enjoying a supportive, stress-free race experience.

  • Fun
  • Quirky
  • For a Cause
Sat, Apr 25, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

Blue Heron Half & 5K

Chase a personal record on a beautiful course, then enjoy a discounted membership to the Rocky Mountain Road Runners club.

  • Scenic
  • Competitive
Sun, Apr 26, 2026, 8:00 AM MDT13.1 MilesBrighton, CO
Steady EffortRUN

Course · Rolling · Timed race

Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA

Celebrate Cinco de Mayo with a supportive run focused on community, culture, and personal goals, with a charity component.

  • Fun
  • Festive
  • For a Cause
Sat, May 2, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Experience a supportive sunrise run with scenic views and a meaningful charity component, designed for a stress-free start to your day.

  • Scenic
  • For a Cause
Sat, May 2, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

Hometown Half Marathon & 5k/10k - Denver

A family-friendly Denver event with distances for everyone, offering great swag, chip-timing, and a fun atmosphere on a rolling course.

  • Fun
  • Competitive
Sun, May 10, 2026, 7:00 AM MDT13.1 MilesDenver, CO
Steady EffortRUN

Course · Rolling · Walkers welcome

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Run with purpose to support mental health awareness in a welcoming, stress-free environment, open to all paces and ages.

  • Fun
  • For a Cause
Sat, May 23, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

Memorial Day Run 5K/10K/13.1 DENVER/AURORA

Honor, remember, and run for freedom on Memorial Day with a supportive community and scenic routes, contributing to a meaningful cause.

  • Fun
  • Scenic
  • Festive
  • For a Cause
Sat, May 23, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

SuperHeroes Run 5K/10K/13.1 DENVER/AURORA

Unleash your inner superhero at this supportive, stress-free run in Centennial, where every mile helps a charity.

  • Fun
  • Quirky
  • For a Cause
Sat, Jun 6, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA

Unite for a powerful cause at this supportive 13.1-mile run, dedicated to raising awareness and funds for breast cancer research.

  • Fun
  • For a Cause
Sat, Jun 6, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

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

Experience the best of both worlds on a scenic, well-supported course with spectacular Flatirons views, perfect for all runner levels.

  • Fun
  • Scenic
Sun, Jun 7, 2026, 6:30 AM MDT13.1 MilesLouisville, CO
Push PotentialRUN

Course · Mixed · Hilly · Timed race

All-Out Summer Breeze

Enjoy scenic, flat courses along Van Bibber Creek Trail, chase a personal record, and support the Food Bank of the Rockies in Arvada, CO.

  • Scenic
  • Competitive
  • For a Cause
Sat, Jun 13, 2026, 7:00 AM MDT13.1 MilesArvada, CO
Push PotentialRUN

Course · Hilly · Timed race

Sloth Run 5K/10K/13.1 DENVER/AURORA

Trade speed for serenity at the Sloth Run, a chill event where every pace is celebrated and good vibes lead the way.

  • Fun
  • Quirky
  • For a Cause
Sat, Jun 20, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

Run Juneteenth Day 5K/10K/13.1 DENVER/AURORA

Celebrate freedom and community on Juneteenth with a supportive run focused on personal goals and giving back.

  • Fun
  • Festive
  • For a Cause
Sat, Jun 20, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

July 4th Run 5K/10K/13.1 DENVER/AURORA

Honor liberty and the spirit of freedom this July 4th with a supportive run, offering optional timing and a unique charity initiative.

  • Festive
  • For a Cause
Sat, Jul 4, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Timed race

Run for Chocolate 5K/10K/13.1 DENVER/AURORA

A deliciously fun, stress-free run with a sweet chocolate theme, perfect for all paces and supporting charity initiatives.

  • Fun
  • Quirky
  • For a Cause
Sat, Jul 4, 2026, 7:30 AM MDT13.1 MilesCentennial, CO
Push PotentialRUN

Course · Hilly · Family-oriented

All-Out Dog Days

A scenic, dog-friendly run with a costume contest, supporting Do Over Dogs. Perfect for a summer challenge with your pup.

  • Fun
  • Scenic
  • Quirky
  • Festive
  • For a Cause
Sat, Jul 11, 2026, 7:00 AM MDT13.1 MilesWestminster, CO
Push PotentialRUN

Course · Hilly · Timed race

Heatwave Half Marathon - Denver

A sun-soaked summer challenge for the whole family, featuring great swag, free ice cream, and a fun Kid's Dash.

  • Fun
Sat, Jul 11, 2026, 7:00 AM MDT13.1 MilesDenver, CO
Push PotentialRUN

Course · Rolling · Walkers welcome

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

Experience the Summer Splash Prairie Dog Half, 10k, or 5k, part of a popular series, as you run the East Plum Creek Trail in Castle Rock, CO.

  • Scenic
Sat, Jul 18, 2026, 6:30 AM MDT13.1 MilesCastle Rock, CO
Push PotentialRUN

Course · Hilly · Timed race

All-Out Runapalooza

Celebrate the end of summer with scenic runs along Ralston Creek Trail and challenging half marathon views of Denver and the Front Range.

  • Fun
  • Scenic
  • Festive
Sat, Aug 8, 2026, 7:00 AM MDT13.1 MilesArvada, CO
Push PotentialRUN

Course · Hilly · Timed race

See all 49 Half Marathons in Denver Metro →

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More Half Marathon races

All races in Denver MetroHalf Marathons in ColoradoHalf Marathons in Denver, COHalf Marathons in Centennial, COHalf Marathons in Colorado Springs, COHalf Marathons in Fort Collins, COHalf Marathons in Littleton, COHalf Marathons in Arvada, COHalf Marathons in Boulder, COHalf Marathons in Westminster, COHalf Marathons in Steamboat Springs, COHalf Marathons in Loveland, CO

Other distances in Denver Metro

5Ks in Denver Metro10Ks in Denver MetroMarathons in Denver Metro