Running Races in Denver, Colorado — 2026

There are 45 running races in Denver, Colorado in 2026. The next is the Dash for Detection: Oral Cancer Awareness 5K on April 11. Distances include 5K races, half marathons, ultras.

Dash for Detection: Oral Cancer Awareness 5K

Sat, Apr 11 · Denver, CO Denver

Road Dash for Detection: Oral Cancer Awareness 5K

From $100 Closed

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RMRR April Trophy Series

Sun, Apr 12 · Denver, CO Denver

Road RMRR April Trophy Series Race

From $10 Open Closing Soon

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Hop Into Spring 5K - Denver

Sun, Apr 12 · Denver, CO Denver

Virtual 5KVirtual 5K5K-No Shirt

From $30 Open Closing Soon

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Donut Dash

Sun, Apr 12 · Denver, CO Denver

Road 5KVirtual 5K

From $30 Open Closing Soon

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Healthy Kids Running Series Spring 2026 - Denver, CO

Sun, Apr 12 · Denver, CO Denver

Road PreK 2/3 Yr Old - 50 Yard DashPreK 4/5 Yr Old - 75 Yard DashKindergarten & 1st Grade - 1/4 Mile +9

From $15 Open Closing Soon

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Hot Laps - Denver

Fri, Apr 24 · Denver, CO Denver

Road Hot Laps

From $10 Open

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Unicorn 5k (Denver-East)

Sun, Apr 26 · Denver, CO Denver

Road 5k1/2 Mile(ish) Saunter

From $13 Open

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RMRR May Trophy Series

Sun, May 3 · Denver, CO Denver

Road 5mi5k

From $10 Open

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DU Splash & Dash

Sun, May 3 · Denver, CO Denver

Triathlon DU Splash & Dash - Kids RaceDU Splash & Dash - Age Group RaceDU Splash & Dash - Collegiate Race

From $20 Open

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Hometown Half Marathon & 5k/10k - Denver

Sun, May 10 · Denver, CO Denver

Virtual 1 Mile5k10k +4

From $17 Open Closing Soon 5 spots left

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Denver Mother's Day 5K

Sun, May 10 · Denver, CO Denver

Road 5K

From $25.99 Open

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Girls on the Run 5K at Colfax - Running Buddies and Volunteers

Sat, May 16 · Denver, CO Denver

Road Running Buddy

From $25 Open

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Growing Home - Colfax Fundraiser

Sat, May 16 · Denver, CO Denver

2026 Colfax Run Fundraiser for Growing Home (5k, 10 Miler, Relay, Half or Full Marathon)

From $0 Open

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Girls on the Run Rockies Colfax SoleMates 2026

Sun, May 17 · Denver, CO Denver

Road Colfax 1/2 MarathonColfax Relay TeamColfax Marathon

From $25 Open 3 spots left

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DRMABPsi 1–5K Walk, Run & Roll

Sat, May 30 · Denver, CO Denver

Road 1k2kKids Run +3

From $10 Open

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Love Hard 5k Fun Run

Mon, Jun 1 · Denver, CO Denver

Virtual Virtual Love Hard 5kLondon Love Hard 5kGrand Rapids Love Hard 5k +5

From $35 Open

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RMRR June Trophy Series

Sun, Jun 7 · Denver, CO Denver

Road 4km

From $10 Open

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The Big Run Presented by Brooks

Sun, Jun 7 · Denver, CO Denver

Road The Big Run 5K presented by Brooks

From $40 Open

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Juneteenth Fun Run 5K

Sun, Jun 21 · Denver, CO Denver

Road Kids 5K5K

From $25 Open

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Denver Pride 5K

Sat, Jun 27 · Denver, CO Denver

Road Denver Pride 5K

From $40 Open

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Denver Rotary Club Cycling to Serve 2026

Wed, Jul 1 · Denver, CO Denver

Open

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Heatwave Half Marathon - Denver

Sat, Jul 11 · Denver, CO Denver

Virtual 1 Mile5 K10 K +5

From $17 Open 5 spots left

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Cookie Chase

Sat, Jul 11 · Denver, CO Denver

Road Virtual 5K5K

From $30 Open

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2026 OCA Colorado 5K Panda Run

Sat, Jul 18 · Denver, CO Denver

Road 2026 OCA Colorado 1K Panda Walk2026 OCA Colorado 5K Panda Run

From $35 Open

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Bound for Boston Marathon & Half Marathon - Denver

Sun, Aug 2 · Denver, CO Denver

Virtual Half MarathonVirtual Half MarathonVirtual Marathon +1

From $25 Open

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Miles for Migraine Colorado

Sat, Aug 15 · Denver, CO Denver

Road 2 Mile Walk5K Run

Closed

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Ram Run

Sat, Aug 22 · Denver, CO Denver

Virtual Ram Run Kids Race (12 and under)Ram Run - VirtualRam Run

From $10 Open

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Rebel Run 5k

Sun, Aug 23 · Denver, CO Denver

Virtual 5k Walk5k Run5k Virtual Race

From $10 Open

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

Sat, Sep 5 · Denver, CO Denver

Virtual 1 Mile5k10k +4

From $17 Open 5 spots left

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The Denver 5k

Sat, Sep 12 · Denver, CO Denver

Road 5kFREE Kids Fun Run

From $0 Open

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9/11 Heroes Run - Denver, Colorado

Sun, Sep 13 · Denver, CO Denver

Road 1-Mile Run/Walk5K Ruck - Active Duty Military or First Responder5K Ruck - Individual +3

From $20 Closed

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Tiger Prowl 5K

Sun, Sep 13 · Denver, CO Denver

Road Tiger Prowl 5K Fun Run/WalkTiger Prowl Youth 5K---register your 12 and under child here*Tiger Prowl 5K Chill Option

From $15 Open

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Spooky Sprint - Denver

Sat, Oct 3 · Denver, CO Denver

Virtual 1 Mile5K10K +4

From $20 Open 5 spots left

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Race to Cure Sarcoma Denver

Sat, Oct 24 · Denver, CO Denver

Virtual 5K Run or 1 Mile Walk (Untimed) - Child (Ages 6-12)5K Run or 1 Mile Walk (Untimed) - AdultVirtual - Child +3

From $10 Open

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The 14th Annual Odyssey Odyssey - 2026

Sun, Oct 25 · Denver, CO Denver

Closed

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Ghosts and Goblins 5K/10K

Sun, Oct 25 · Denver, CO Denver

Road Virtual Race5K10K

From $30 Open

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RMRR November Trophy Series

Sun, Nov 1 · Denver, CO Denver

Road 5k15k

From $10 Open

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Turkey Trails- Denver

Sat, Nov 7 · Denver, CO Denver

Virtual 1 Mile5k10k +4

From $17 Open 5 spots left

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City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

Sat, Nov 7 · Denver, CO Denver

Road 1 Mile (ish) Walk of Hope (untimed)5k Run/Walk10k Run

From $16 Open

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Denver Veterans Day Run

Sat, Nov 14 · Denver, CO Denver

Road 5K Run/Walk10K Run/Walk10K Rippetoe Rucksack Challenge

From $45 Open

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Pumpkin Pie 5K/10K

Sat, Nov 21 · Denver, CO Denver

Road 5KVirtual Race10K

From $30 Open

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RMRR December Trophy Series

Sun, Dec 6 · Denver, CO Denver

Road 4.5 mi

From $10 Open

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Santa's Dash for Ca$h

Sat, Dec 19 · Denver, CO Denver

Road 5k

From $29 Open

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Ugly Sweater 5K

Sun, Dec 20 · Denver, CO Denver

Road Virtual 5K5K

From $30 Open

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Central Park 5k

Sun, Mar 28 · Denver, CO Denver

Road 5k Run/Walk5k Run/Walk

From $20 Open

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