Home / Denver & Boulder / 5K races

5K races near Denver (2026-27)

132 upcoming 5k races near Denver in the next 12 months. The next is Living Water 5K and Family Fun Walk/Jog on Saturday October 17 in Denver.

All Denver Denver (40)Boulder County (4)Denver Suburbs (72)Foothills & Mountains (9)Fort Collins & Loveland (7)

By date

Living Water 5K and Family Fun Walk/Jog

Sat Oct 17 · 8:00 AM · Denver · Denver

1 mile5K

Reg. closed
Longmonster Dash 5k

Sat Oct 17 · 8:30 AM · Longmont · Fort Collins & Loveland

5K

Reg. closed
Running Scared 5K/13K - Denver

Sat Oct 17 · 8:30 AM · Littleton · Denver Suburbs

5K13K18KTrail

from $35
DU Crimson Classic 5K Run/1.5 Mile Walk

Wed Oct 21 · 1:00 PM · Denver · Denver

1.5 miles5K
4A Region 3 XC State Qualifier

Thu Oct 22 · 11:00 AM · Northglenn · Denver

5KTrail

Reg. closed
Zedikiah Scholarship 5K

Sat Oct 24 · 8:00 AM · Denver · Denver

5K
Race to Cure Sarcoma Denver

Sat Oct 24 · 8:30 AM · Denver · Denver

1K5K

from $10Goes up Oct 19
Apex Foundation Trick or Trot 5K & Halloween Hunt Powered by REP Fitness

Sat Oct 24 · 9:00 AM · Arvada · Denver Suburbs

1 mile5K

from $10Goes up Oct 24
Hoofin' It Through the Hollows 5K

Sat Oct 24 · 5:30 PM · Centennial · Denver Suburbs

5K

from $20
Ghosts and Goblins 5K/10K

Sun Oct 25 · 9:00 AM · Denver · Denver

5K

from $36
The 14th Annual Odyssey Odyssey

Sun Oct 25 · 9:00 AM · Denver · Denver

1 mile5K
Halloween Trick or Trot Run 5K/10K/13.1 Denver/Aurora

Sat Oct 31 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

Reg. closed
PB&J Fuel Run 5K/10K/13.1 Denver/Aurora

Sat Oct 31 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

Reg. closed
Colleen De Reuck XC Classic

Sat Oct 31 · 9:00 AM · Boulder · Boulder County

1K3K5KTrail

from $15
I Ain't Scared (of 5k)

Sat Oct 31 · 9:15 AM · Thornton · Denver

5K

from $45Goes up Oct 18
Zombie Fun Run 5k & 1mile

Sat Oct 31 · 10:00 AM · Idaho Springs · Foothills & Mountains

1 mile5K

from $25
Feet for Justice Run

Sun Nov 1 · 8:30 AM · Denver · Denver

5K10K

from $35Goes up Oct 31
Rmrr November 5k/15k

Sun Nov 1 · 8:30 AM · Denver · Denver

5K15K

from $10Goes up Oct 31
All-Out Kooky-Spooky

Sun Nov 1 · 9:00 AM · Golden · Foothills & Mountains

5K10KHalf marathonTrail

from $50Goes up Oct 19
Turkey Trails- Denver

Sat Nov 7 · 8:00 AM · Littleton · Denver Suburbs

1 mile5K10KHalf marathonTrail

from $22Goes up Oct 19
City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

Sat Nov 7 · 9:00 AM · Denver · Denver

5K10K

from $50Goes up Oct 31
12th edition Sole Mates 5k & Brew Fest presented by Shoes & Brews and Left Hand Brewing

Sat Nov 7 · 9:30 AM · Longmont · Fort Collins & Loveland

5K

from $60Goes up Nov 6
Excel Eagle Trot 5K/1K Family Fun Run

Sat Nov 7 · 9:30 AM · Arvada · Denver Suburbs

1K5K

from $25Goes up Oct 26
Dragon Dash 5K Run/Walk

Sun Nov 8 · 9:00 AM · Denver · Denver

5K

from $30Goes up Nov 7
Run for Mental Health 5K/10K/13.1 Denver/Aurora

Sat Nov 14 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Veterans Day Freedom Run 5K/10K/13.1 Denver/Aurora

Sat Nov 14 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Salute to Veterans 5K/10K/Half Marathon - Denver

Sat Nov 14 · 8:00 AM · Aurora · Denver Suburbs

5K10KHalf marathon

from $15Goes up Nov 8
Denver Veterans Day Run

Sat Nov 14 · 8:30 AM · Denver · Denver

5K10KTrail

from $45
Leyden Rock Turkey Trot 5K

Sat Nov 14 · 9:00 AM · Arvada · Denver Suburbs

5K

from $15Goes up Nov 14
Girls on the Run Denver Metro 5K

Sun Nov 15 · 8:00 AM · Denver · Denver

5K

from $19Goes up Nov 12
Turkey Trek (13.1, 10k, 5k & 2k)

Sat Nov 21 · 8:30 AM · Arvada · Denver Suburbs

2K5K10KHalf marathon

from $29Goes up Nov 1
285 Turkey Trot

Sat Nov 21 · 9:00 AM · Bailey · Foothills & Mountains

0.75 miles5K10K

from $35Goes up Nov 4
Pumpkin Pie 5K/10K

Sat Nov 21 · 9:00 AM · Denver · Denver

5K10K

from $36Goes up Nov 21
Fitness Avenue Turkey Trot 5K

Thu Nov 26 · 7:45 AM · Johnstown · Fort Collins & Loveland

1K5K

from $20Goes up Nov 14
Parker Parks and Recreation Turkey Day 5K FUN Run/Walk

Thu Nov 26 · 8:00 AM · Parker · Denver Suburbs

5K

from $38Goes up Nov 12
Broomfield Turkey Day 5K/10K

Thu Nov 26 · 8:30 AM · Broomfield · Denver Suburbs

5K10K

from $44Goes up Nov 14
Gobble Wobble Run

Thu Nov 26 · 8:30 AM · Littleton · Denver Suburbs

5K

from $40Goes up Nov 1
The Great Turkey Chase

Thu Nov 26 · 8:30 AM · Golden · Foothills & Mountains

5K

from $35Goes up Nov 1
TurCreek Trot 5K

Thu Nov 26 · 8:30 AM · Greenwood Village · Denver Suburbs

5K

from $27Goes up Oct 26
Harvesting Hope 5k

Thu Nov 26 · 8:45 AM · Denver · Denver

5K

from $20Goes up Nov 14
AdventHealth Avista Louisville Turkey Trot

Thu Nov 26 · 9:00 AM · Louisville · Denver Suburbs

5K

from $20Goes up Oct 31
Alpine Bank Boulder Thanksgiving Day 5K

Thu Nov 26 · 9:00 AM · Boulder · Boulder County

5K

from $40Goes up Nov 21
Winter Park Turkey Trot 5K

Thu Nov 26 · 9:30 AM · Winter Park · Foothills & Mountains

5K

from $30Goes up Nov 26
Coffee Lovers Run 5K/10K/13.1 Denver/Aurora

Sat Nov 28 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Thanksgiving Gobble Trot Run 5K/10K/13.1 Denver/Aurora

Sat Nov 28 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
All-Out Fa La La

Sat Dec 5 · 9:00 AM · Westminster · Denver Suburbs

5K10KHalf marathonTrail

from $50Goes up Nov 22
Candy Cane Course - Denver

Sun Dec 6 · 9:00 AM · Westminster · Denver Suburbs

1 mile5K10K9.3 miles

from $27Goes up Nov 16
Run for Breast Cancer 5K/10K/13.1 Denver/Aurora

Sat Dec 12 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Sunrise Marathon 5K/10K/13.1 Denver/Aurora

Sat Dec 12 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Santa Shuffle 5K

Sat Dec 12 · 8:30 AM · Littleton · Denver Suburbs

5K

from $35Goes up Nov 1
Superior Stocking Run

Sat Dec 12 · 10:00 AM · Superior · Denver Suburbs

5K

from $25Goes up Nov 1
WinterFest 5k & Fun Run

Sat Dec 12 · 10:15 AM · Thornton · Denver

5K

from $35Goes up Nov 13
Jingle Bell Run - Colorado

Sun Dec 13 · 8:00 AM · Denver · Denver

1 mile5K

from $40Goes up Nov 1
Santa's Dash for Ca$h

Sat Dec 19 · 10:00 AM · Denver · Denver

5K

from $39Goes up Nov 1
Ugly Sweater 5K

Sun Dec 20 · 9:00 AM · Denver · Denver

5K

from $33Goes up Nov 16
A Merry Christmas Run 5K/10K/13.1 Denver/Aurora

Sat Dec 26 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
New Year's Run 5K/10K/13.1 Denver/Aurora

Sat Dec 26 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Resolute Runner 5k

Fri Jan 1 · 10:00 AM · Arvada · Denver Suburbs

5KTrail

from $44Goes up Dec 1
All-Out Polar Prowl

Sat Jan 9 · 9:00 AM · Arvada · Denver Suburbs

5K10KHalf marathonTrail

from $50Goes up Dec 27
Sentinel Flurry

Sat Jan 9 · 9:00 AM · Golden · Foothills & Mountains

1 mile5K4.1 miles

from $25Goes up Dec 30
MLK Jr. Freedom Run 5K/10K/13.1 Denver/Aurora

Sat Jan 16 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Sunrise Marathon 5K/10K/13.1 Denver/Aurora

Sat Jan 16 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Colorado Cold Snap

Sun Jan 17 · 9:40 AM · Louisville · Denver Suburbs

5K10K

from $39Goes up Oct 18
Freakin Freezin 5K - Denver

Sun Jan 24 · 9:00 AM · Denver · Denver

5K

from $30Goes up Jan 17
Yeti Chase 5k/10k

Sun Jan 24 · 10:00 AM · Morrison · Denver

5K10K

from $25Goes up Nov 1
Coffee Lover Run Denver/Aurora

Sat Jan 30 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Run for Donut Denver/Aurora

Sat Jan 30 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Time Travel Half-Marathon/5K/10K - Denver

Sat Jan 30 · 9:00 AM · Westminster · Denver Suburbs

1 mile5K10KHalf marathon

from $20Goes up Oct 27
All-Out Mardi Crawl

Sat Feb 6 · 9:00 AM · Arvada · Denver Suburbs

5K10KHalf marathonTrail

from $45Goes up Nov 7
Westy Winter Waggle 5&10k

Sat Feb 6 · 9:40 AM · Westminster · Denver Suburbs

5K10K

from $35Goes up Jan 30
Old Man Winter Bike Rally & Run

Sun Feb 7 · 9:30 AM · Lyons · Fort Collins & Loveland

5K10KHalf marathon

from $49Goes up Nov 2
Run for Chocolate 5K/10K/13.1 Denver/Aurora

Sat Feb 13 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Valentine's Day Run 5K/10K/13.1 Denver/Aurora

Sat Feb 13 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Heart Throb 5k

Sat Feb 13 · 10:00 AM · Arvada · Denver Suburbs

5K

from $35Goes up Jan 1
Ralston Creek Half Marathon & 5k

Sun Feb 14 · 9:00 AM · Arvada · Denver Suburbs

5KHalf marathon

from $25Goes up Nov 1
C.O.P.S. Winter Race Series

Wed Feb 17 · 6:00 PM · Golden · Foothills & Mountains

5K

from $30Reg. closed
Run For Mental Health Denver/Aurora

Sat Feb 27 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Run Together Against Breast Cancer Denver/Aurora

Sat Feb 27 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Highlands Ranch 5k

Sun Feb 28 · 10:00 AM · Highlands Ranch · Denver Suburbs

5K

from $43Goes up Nov 7
Time to Paddy 5K/10K & Lucky 13.1 13.1 - Denver

Sat Mar 6 · 8:00 AM · Denver · Denver

1 mile5K10KHalf marathon

from $22Goes up Nov 9
St. Paddy's Day Lucky Run 5K/10K/13.1 Denver/Aurora

Sat Mar 20 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Sunrise Marathon 5K/10K/13.1 Denver/Aurora

Sat Mar 20 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
All-Out Spring Fever

Sun Mar 21 · 9:00 AM · Golden · Foothills & Mountains

5K10KHalf marathonTrail

from $40Goes up Dec 22
Central Park 5k

Sun Mar 21 · 9:00 AM · Denver · Denver

5K

from $39Goes up Dec 21
Always Hope Easter Run Denver/Aurora

Sat Mar 27 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
SuperHeroes Run Denver/Aurora

Sat Mar 27 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Donut Dash

Sun Apr 4 · 9:00 AM · Denver · Denver

5K

from $30Goes up Nov 23
Run for PB&J 5k/10k/13.1 Denver/Aurora

Sat Apr 10 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Sloth Run 5K/10K/13.1 Denver/Aurora

Sat Apr 10 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Platte River Half-Marathon, Relay & 5k

Sun Apr 11 · 7:00 AM · Littleton · Denver Suburbs

5KHalf marathonTrail

from $45Goes up Nov 1
Spring Fling Prairie Dog Half, 10k, & 5k

Sun Apr 11 · 8:00 AM · Arvada · Denver Suburbs

5K10KHalf marathon

from $39Goes up Jan 11
Coffee Lover Run Denver/Aurora

Sat Apr 24 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Run for Donut Denver/Aurora

Sat Apr 24 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
All-Out Beat the Heat

Sat Apr 24 · 8:00 AM · Westminster · Denver Suburbs

5K10KHalf marathonTrail

from $35Goes up Oct 25
DoNot Stop Half Marathon/5K/10K - Denver

Sun Apr 25 · 8:00 AM · Denver · Denver

1 mile5K10KHalf marathon

from $22Goes up Jan 20
Unicorn 5k (Denver-East)

Sun Apr 25 · 9:30 AM · Denver · Denver

5K

from $41Goes up Apr 1
Longmont Half & 5k (LM Half)

Sun May 2 · 7:30 AM · Longmont · Fort Collins & Loveland

5KHalf marathon

from $39Goes up Feb 1
Emerge 5K

Sun May 2 · 8:00 AM · Boulder · Boulder County

5K

Reg. closed
Run for Chocolate 5k/10k/13.1 Denver/Aurora

Sat May 8 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Hometown Half Marathon/5K/10K - Denver

Sun May 9 · 7:00 AM · Denver · Denver

1 mile5K10KHalf marathon

from $22Goes up Nov 11
Colorado Women's Classic - Westminster

Sun May 9 · 8:00 AM · Westminster · Denver Suburbs

5K10K10 miles

from $39Goes up Feb 8
Denver Mother's Day 5K

Sun May 9 · 9:00 AM · Denver · Denver

5K

from $26.99Reg. closed
SuperHeroes Run Denver/Aurora

Sat May 29 · 7:30 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Colorado 13er (Half Marathon/10k/5k)

Sun Jun 6 · 6:30 AM · Louisville · Denver Suburbs

5K10KHalf marathonTrail

from $35Goes up Mar 1
Flamingo Day 5K

Sun Jun 6 · 8:00 AM · Denver · Denver

5K

from $30Goes up Feb 1
All-Out Summer Breeze

Sat Jun 12 · 7:00 AM · Arvada · Denver Suburbs

5K10KHalf marathonTrail

from $35Goes up Dec 13
Alpha 5K Challenge

Sat Jun 12 · 7:30 AM · Boulder · Boulder County

5K

Reg. closed
Run Juneteenth Day 5K/10K/13.1 Denver/Aurora

Sat Jun 19 · 7:00 AM · Centennial · Denver Suburbs

1 mile5K10KHalf marathon

from $30
Treat Trot - Denver

Sat Jun 19 · 7:00 AM · Denver · Denver

5K10K15K

from $32Goes up Mar 16
Unicorn 5k (North)

Sat Jun 19 · 8:00 AM · Thornton · Denver

1K5K

from $18Goes up Nov 1
Father's Day Classic 10k, 5k, & 1 Mile

Sun Jun 20 · 7:15 AM · Arvada · Denver Suburbs

1 mile5K10K

from $12Goes up Mar 22
Let Freedom Run 5k/10k - Louisville

Sun Jul 4 · 7:30 AM · Louisville · Denver Suburbs

5K10K

from $35Goes up Mar 1
All-Out Dog Days

Sat Jul 10 · 7:00 AM · Westminster · Denver Suburbs

5K10KHalf marathonTrail

from $35Goes up Jan 11
Cookie Chase

Sat Jul 10 · 8:00 AM · Denver · Denver

5K

from $30Goes up Feb 28
Summer Splash Prairie Dog Half, 10k, & 5k

Sat Jul 17 · 6:30 AM · Castle Rock · Denver Suburbs

5K10KHalf marathonTrail

from $39Goes up Apr 18
Heatwave Half Marathon/5K/10K - Denver

Sat Jul 17 · 7:00 AM · Denver · Denver

1 mile5K10KHalf marathon

from $22Goes up Jan 19
Spirit of the West 5K Run/Walk

Sun Jul 25 · 7:00 AM · Golden · Foothills & Mountains

5K

from $35Goes up Jul 5
All-Out Runapalooza

Sat Aug 7 · 7:00 AM · Arvada · Denver Suburbs

5K10KHalf marathonTrail

from $35Goes up Feb 8
Summer Sizzler- Denver

Sat Aug 7 · 7:00 AM · Denver · Denver

1 mile5K10K

from $22Goes up May 4
Unicorn 5k (South)

Sat Aug 7 · 8:00 AM · Highlands Ranch · Denver Suburbs

5K

from $44Goes up May 9
Erie Half & 5k

Sun Aug 15 · 7:00 AM · Erie · Fort Collins & Loveland

5KHalf marathon

from $39Goes up May 17
James Test Site

Mon Aug 16 · 9:00 AM · Lyons · Fort Collins & Loveland

5K

Reg. closed
Ram Run 5K

Sat Aug 21 · 8:00 AM · Denver · Denver

1 mile5K

from $10Goes up Dec 31
Pioneer Prairie Dog Half, 10k & 5k

Sun Aug 22 · 7:15 AM · Westminster · Denver Suburbs

5K10KHalf marathon

from $39Goes up May 24
Labor Day Half Marathon

Mon Sep 6 · 7:00 AM · Parker · Denver Suburbs

5K10KHalf marathonTrail

from $30Goes up Apr 30
Golden Harvest Half Marathon & 5K/10K - Denver

Sat Sep 11 · 8:00 AM · Denver · Denver

1 mile5K10KHalf marathon

from $22Goes up Mar 16
The Denver 5k

Sat Sep 11 · 8:50 AM · Denver · Denver

5K

from $34.85Goes up Dec 1
All-Out Fall Fest

Sat Sep 18 · 8:00 AM · Westminster · Denver Suburbs

5K10KHalf marathonTrail

from $35Goes up Mar 19
The Extra Mile 5K

Sat Oct 2 · 7:00 AM · Englewood · Denver Suburbs

5K

from $20Reg. closed
Spooky Sprint - Denver

Sat Oct 2 · 9:00 AM · Denver · Denver

1 mile5K10KHalf marathon

from $25Goes up Apr 6
SKECHERS Hot Chocolate Run Denver

Sun Oct 3 · 7:00 AM · Denver · Denver

5K10K15K

see site
Westy Half & 5k

Sun Oct 10 · 8:00 AM · Westminster · Denver Suburbs

5KHalf marathon

from $39Reg. closed

5K races near Denver (2026-27)

By date

Denver races, every week.