Running Races in Denver, Colorado — 2026

There are 42 running races in Denver, Colorado in 2026. The next is the Hot Laps - Denver on April 24. Distances include 5K races, half marathons, ultras.

Hot Laps - Denver

Fri, Apr 24 · Denver, CO Denver

Road Hot Laps

From $10 Open Closing Soon

Register →

Unicorn 5k (Denver-East)

Sun, Apr 26 · Denver, CO Denver

Road 5k1/2 Mile(ish) Saunter

From $13 Open Closing Soon

Register →

RMRR May Trophy Series

Sun, May 3 · Denver, CO Denver

Road 5k5mi

From $10 Open Closing Soon

Register →

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 Closing Soon

Register →

Hometown Half Marathon & 5k/10k - Denver

Sun, May 10 · Denver, CO Denver

Virtual 1 Mile5k10k +4

From $17 Open Closing Soon 5 spots left

Register →

Denver Mother's Day 5K

Sun, May 10 · Denver, CO Denver

Road 5K

From $25.99 Open Closing Soon

Register →

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

Sat, May 16 · Denver, CO Denver

Road Running Buddy

From $25 Open

Register →

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

Register →

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

Register →

DRMABPsi 1–5K Walk, Run & Roll

Sat, May 30 · Denver, CO Denver

Road 1k2kKids Run +3

From $10 Open

Register →

Love Hard 5k Fun Run

Mon, Jun 1 · Denver, CO Denver

Virtual San Diego Love Hard 5kLondon Love Hard 5kDenver Love Hard 5k +5

From $35 Open

Register →

The Big Run Presented by Brooks

Sun, Jun 7 · Denver, CO Denver

Road The Big Run 5K presented by Brooks

From $40 Open

Register →

RMRR June Trophy Series

Sun, Jun 7 · Denver, CO Denver

Road 4km

From $10 Open

Register →

Juneteenth Fun Run 5K

Sun, Jun 21 · Denver, CO Denver

Road 5KKids 5K

From $25 Open Closing Soon

Register →

Denver Pride 5K

Sat, Jun 27 · Denver, CO Denver

Road Denver Pride 5K

From $40 Open Closing Soon

Register →

Denver Rotary Club Cycling to Serve 2026

Wed, Jul 1 · Denver, CO Denver

Open

Register →

Cookie Chase

Sat, Jul 11 · Denver, CO Denver

Road 5KVirtual 5K

From $30 Open

Register →

Heatwave Half Marathon - Denver

Sat, Jul 11 · Denver, CO Denver

Virtual 1 Mile5 K10 K +5

From $17 Open 5 spots left

Register →

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

Register →

Bound for Boston Marathon & Half Marathon - Denver

Sun, Aug 2 · Denver, CO Denver

Virtual Half MarathonVirtual Half MarathonVirtual Marathon +1

From $25 Open

Register →

Miles for Migraine Colorado

Sat, Aug 15 · Denver, CO Denver

Road 2 Mile Walk5K Run

Closed

Register →

Ram Run

Sat, Aug 22 · Denver, CO Denver

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

From $10 Open

Register →

Rebel Run 5k

Sun, Aug 23 · Denver, CO Denver

Virtual 5k Walk5k Run5k Virtual Race

From $10 Open

Register →

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

Sat, Sep 5 · Denver, CO Denver

Virtual 1 Mile5k10k +4

From $17 Open 5 spots left

Register →

The Denver 5k

Sat, Sep 12 · Denver, CO Denver

Road 5kFREE Kids Fun Run

From $0 Open

Register →

9/11 Heroes Run - Denver, Colorado

Sun, Sep 13 · Denver, CO Denver

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

From $20 Closed

Register →

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

Register →

Denver: Walk With Autism and Resource Fair

Sat, Sep 19 · Denver, CO Denver

Road Walk with Autism Denver- VirtualWalk with Autism Denver

From $25 Closed

Register →

Spooky Sprint - Denver

Sat, Oct 3 · Denver, CO Denver

Virtual 1 Mile5K10K +4

From $20 Open 5 spots left

Register →

Race to Cure Sarcoma Denver

Sat, Oct 24 · Denver, CO Denver

Virtual 5K Run or 1 Mile Walk (Untimed) - Adult5K Run or 1 Mile Walk (Untimed) - Child (Ages 6-12)Virtual - Adult +3

From $10 Open

Register →

Ghosts and Goblins 5K/10K

Sun, Oct 25 · Denver, CO Denver

Road Virtual Race5K10K

From $30 Open

Register →

The 14th Annual Odyssey Odyssey - 2026

Sun, Oct 25 · Denver, CO Denver

Closed

Register →

RMRR November Trophy Series

Sun, Nov 1 · Denver, CO Denver

Road 5k15k

From $10 Open

Register →

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

Register →

Turkey Trails- Denver

Sat, Nov 7 · Denver, CO Denver

Virtual 1 Mile5k10k +4

From $17 Open 5 spots left

Register →

Denver Veterans Day Run

Sat, Nov 14 · Denver, CO Denver

Road 5K Run/Walk10K Rippetoe Rucksack Challenge10K Run/Walk

From $45 Open

Register →

Pumpkin Pie 5K/10K

Sat, Nov 21 · Denver, CO Denver

Road Virtual Race5K10K

From $30 Open

Register →

RMRR December Trophy Series

Sun, Dec 6 · Denver, CO Denver

Road 4.5 mi

From $10 Open

Register →

Santa's Dash for Ca$h

Sat, Dec 19 · Denver, CO Denver

Road 5k

From $29 Open Closing Soon

Register →

Ugly Sweater 5K

Sun, Dec 20 · Denver, CO Denver

Road 5KVirtual 5K

From $30 Open

Register →

Central Park 5k

Sun, Mar 28 · Denver, CO Denver

Road 5k Run/Walk5k Run/Walk

From $20 Open Closing Soon

Register →

Donut Dash

Sun, Apr 4 · Denver, CO Denver

Road 5KVirtual 5K5K +1

From $30 Open

Register →