Colorado Run Listings

December 2018
Sunday9Dec 2018
Denver
Jingle Bell Run
Be part of the largest holiday-themed 5K race series anywhere
Saturday15Dec 2018
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday15Dec 2018
Denver
Scramblin' Scrooge 1M/5K/10K
Bah! Humbug!
Saturday15Dec 2018
Littleton
Santa Stampede
A flat and fast 5K and 10K held along the banks of the scenic South Platte River
Saturday15Dec 2018
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday15Dec 2018
Grand Junction
Santa Cause Run
All entrants will receive a Santa hat and beard to wear during the race
Saturday15Dec 2018
Colorado Springs
Santa Bob 3K Toy Drive
Benefiting The Bob Tellemosa Foundation
Sunday16Dec 2018
Superior
Stocking Run
Fun and festive, family-friendly 5K run and walk
Saturday22Dec 2018
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday22Dec 2018
Denver
Christmas Carol Classic
5k, 10k and Tiny Tim 1k
Saturday22Dec 2018
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday22Dec 2018
Alamosa
Round-UP Rudolph Run
Part of the Alamosa Christmas Light Parade
Saturday22Dec 2018
Colorado Springs
Full Moon Run
A run for the full moon, followed by a tailgate gathering
Saturday29Dec 2018
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday29Dec 2018
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday29Dec 2018
Pueblo
Raptor Resolution Run
Say Goodbye to 2018 and Hello to 2019
Monday31Dec 2018
Denver
Resolution 5K
Denver's Oldest New Year's Eve 5K Run and Walk
Monday31Dec 2018
Fort Collins
Resolution Run 5K
5K evening race
January 2019
Tuesday1Jan 2019
Colorado Springs
Rescue Run
5K/10K Supporting El Paso County Search and Rescue
Tuesday1Jan 2019
Arvada
Resolute Runner 5k
5k on new year's day
Tuesday1Jan 2019
Westminster
Commitment Day 5K
Start the New Year off on the right foot by joining thousands of others for a nationwide 5K Fun Run and Walk.
Tuesday1Jan 2019
Parker
Commitment Day 5K
Start the New Year off on the right foot by joining thousands of others for a nationwide 5K Fun Run and Walk.
Tuesday1Jan 2019
Castle Rock
New Year's Rockn' Run
Join with your community and StrideMob for a 5k and make a commitment to stay active in 2019
Saturday5Jan 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday5Jan 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday5Jan 2019
Denver
Resolve 5K/10K
Flat and fast course at City Park
Saturday5Jan 2019
Westminster
Six Pack Series - Winter #1
1M/5k
Saturday5Jan 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday6Jan 2019
Highlands Ranch
Winter Highlands Ranch Six Pack Series #1
1 Mile or 5k
Saturday12Jan 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday12Jan 2019
Arvada
Polar Prowl 1M, 5K, 10K, & Half Marathon
Superior events from start to finish line
Saturday12Jan 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday12Jan 2019
Westminster
Six Pack Series - Winter #2
2M/5k
Saturday12Jan 2019
Boulder
Chilly Cheeks Duathlon Series #2
Each race is comprised of approximately 4 miles of running on paved roads, bike paths, and dirt trails
Saturday12Jan 2019
Colorado Springs
Winter Series I
3.3M 7M
Sunday13Jan 2019
Fort Collins
Fossil Creek Park 5k Tortoise & Hare
All about anyone having the same ability to win the race
Sunday13Jan 2019
Highlands Ranch
Winter Highlands Ranch Six Pack Series #2
2 Mile or 5k
Saturday19Jan 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday19Jan 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday19Jan 2019
Fort Collins
Polar 5k & Polar Bear Plunge
After your run grab your best plunge outfit and join the POLAR BEAR CLUB
Sunday20Jan 2019
Louisville
Arctic Prairie Dog Half, 10k & 5k
Prairie Dog Half
Sunday20Jan 2019
Denver
Polar Bear 5K
You run faster when it's cold, right?
Sunday20Jan 2019
Morrison
Yeti Chase 5K & 10K
Mostly flat 5K course, while the 10k throws in a few rolling hills
Saturday26Jan 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday26Jan 2019
Littleton
Frosty's Frozen Five and Ten
A flat and fast 5 mile and 10 mile race!
Saturday26Jan 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday26Jan 2019
Westminster
Six Pack Series - Winter #3
5k
Saturday26Jan 2019
Colorado Springs
Winter Series II
4M 8M
Sunday27Jan 2019
Highlands Ranch
Winter Highlands Ranch Six Pack Series #3
5k
February 2019
Saturday2Feb 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday2Feb 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday2Feb 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday2Feb 2019
Westminster
Six Pack Series - Winter #4
4M/5k
Saturday2Feb 2019
Como
Abominable Winter Adventure Run
Expect steep inclines, deep snow, thick forests, walls and crawls, sledding sections and other challenging winter themed obstacles to overcome
Sunday3Feb 2019
Fort Collins
Edora Park 8k Tortoise & Hare
All about anyone having the same ability to win the race
Sunday3Feb 2019
Highlands Ranch
Winter Highlands Ranch Six Pack Series #4
4 Mile or 5k
Sunday3Feb 2019
Arvada
Ralston Creek Half Marathon & 5k
Colorado's Premier Winter Half Marathon
Sunday3Feb 2019
Denver
Super Bowl 5K
Don't forgot to dress in your favorite team colors!
Sunday3Feb 2019
Colorado Springs
Super Half Marathon & Game Day 5K
Fundraiser for the Pikes Peak Road Runners and PikesPeakSports.us
Sunday3Feb 2019
Littleton
Super Sunday Fun Run
Show your team spirit and wear your favorite team jersey or attire
Saturday9Feb 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday9Feb 2019
Denver
Le Cours de L'Amour 5K/10K
5K, 10K and Kids Run
Saturday9Feb 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday9Feb 2019
Fort Collins
Catch Me If You Can
For this race all the ladies get a 3 minute head start
Saturday9Feb 2019
Arvada
Heart Throb Run 5k - Arvada
I'm a heart throb!
Saturday9Feb 2019
Longmont
Heart Throb Run 5k - Longmont
I'm a heart throb!
Saturday9Feb 2019
Parker
Love 'em or Leave 'em 5K 10K
Will you embrace the holiday full of heart or run from Cupid?
Saturday9Feb 2019
Colorado Springs
Winter Series III
5M 10M
Sunday10Feb 2019
Denver
Valentine's Day 4-Mile
Denver's oldest Valentine's Day Run
Saturday16Feb 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday16Feb 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday16Feb 2019
Westminster
Six Pack Series - Winter #5
5M/5k
Sunday17Feb 2019
Highlands Ranch
Winter Highlands Ranch Six Pack Series #5
5 mile or 5k
Sunday17Feb 2019
Littleton
Freeze Your Buns Off
Nice flat 5K course
Saturday23Feb 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday23Feb 2019
Lakewood
Mardi Crawl 1M, 5K, 10K & Half Marathon
Superior events from start to finish line
Saturday23Feb 2019
Littleton
Snowman Stampede
5-mile, 10-mile, kids run
Saturday23Feb 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday23Feb 2019
Boulder
Chilly Cheeks Duathlon Series #3
Each race is comprised of approximately 4 miles of running on paved roads, bike paths, and dirt trails
Saturday23Feb 2019
Black Forest
Winter Series IV
10K 20K
Saturday23Feb 2019
Denver
Cupid's Undie Run
A mile(ish) run in your bedroom-best on Valentine's weekend to raise money for The Children's Tumor Foundation
Sunday24Feb 2019
Pueblo
Pueblo Marathon
Full and half
March 2019
Saturday2Mar 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday2Mar 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday2Mar 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday2Mar 2019
Westminster
Six Pack Series - Winter #6
5k/10k
Sunday3Mar 2019
Denver
Fight For Air Climb
Supports the mission of the American Lung Association.
Sunday3Mar 2019
Fort Collins
Lee Martinez Park 10k Tortoise & Hare
All about anyone having the same ability to win the race
Sunday3Mar 2019
Greenwood Village
That Dam Run
Come Crush that Dam and the 13.1 Half Marathon, 10K, or our 5K
Sunday3Mar 2019
Highlands Ranch
Winter Highlands Ranch Six Pack Series #6
5k or 10k
Saturday9Mar 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday9Mar 2019
Denver
Lucky Charm 1M, 5K, 10K
You can grab a bowl of LUCKY CHARMS at the end
Saturday9Mar 2019
Salida
Salida Run Through Time Marathon
One of Colorado's premier trail races
Saturday9Mar 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday16Mar 2019
Fort Collins
Sharin' O' the Green 5K
Supports Partners Mentoring Youth in Northern Colorado
Saturday16Mar 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday16Mar 2019
Denver
Lucky Laces 5K/10K
5K, 10K, Little Leprechaun Fun Run
Saturday16Mar 2019
Westminster
Erin Go Braugh 7.77k
Colorado's Luckiest Race!
Saturday16Mar 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday16Mar 2019
Pueblo
Blue Sky Blizzard Run 5K
Proceeds benefit Adults & Children with Developmental Disabilities
Saturday16Mar 2019
Littleton
Saint Patrick's Brew Run
Wear your Greenest Green
Sunday17Mar 2019
Denver
Runnin' of the Green Lucky 7K
One of the largest 7K's in the United States
Saturday23Mar 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday23Mar 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday24Mar 2019
Fort Collins
Spring Equinox Half Marathon
Half Marathon and 4-Mile
Sunday24Mar 2019
Golden
Spring Fever 1M, 5K, 10K & Half Marathon
Superior events from start to finish.
Saturday30Mar 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday30Mar 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday31Mar 2019
Fort Collins
Cottonwood Glen Park 12k Tortoise & Hare
All about anyone having the same ability to win the race
April 2019
Saturday6Apr 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday6Apr 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday6Apr 2019
Denver
Three Creeks Half Marathon
Denver's Best Spring Half Marathon
Saturday6Apr 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday6Apr 2019
Westminster
Bobcat Boogie
5K Run/Walk and 1 Mile Foxtrot Fun Run
Saturday13Apr 2019
Westminster
Beat the Heat 1M, 5K, 10K, Half and Full Marathon
Superior events from start to finish line.
Saturday13Apr 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday13Apr 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday14Apr 2019
Littleton
Platte River Half Marathon & Relay
Enjoy the best post-race party in Colorado
Sunday14Apr 2019
Arvada
Spring Fling Prairie Dog Half
Spring Fling!
Sunday14Apr 2019
Fort Collins
Horsetooth Half Marathon
Surprisingly fast course, with a net loss in elevation
Saturday20Apr 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday20Apr 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday21Apr 2019
Colorado Springs
Hams and Hamstrings® 5K
Colorado's Easter Sunday 5K - every finisher gets a free mini Easter Ham
Saturday27Apr 2019
Westminster
Westminster Trail Half Marathon/10K/5K
Marathon, 10K, and 5K
Saturday27Apr 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday27Apr 2019
Denver
Donut Dash 5K and 10K
#DonutDash5K
Saturday27Apr 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
May 2019
Saturday4May 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday4May 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday4May 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday11May 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday11May 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday11May 2019
Firestone
Carbon Valley Half Marathon, Family & Friends Relay, 5K & Fun Run
To benefit Autism Research
Sunday12May 2019
Westminster
Colorado Women's Classic
#runclassy
Saturday18May 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday18May 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday19May 2019
Denver
Colfax Marathon and Half Marathon
Enjoy Denver's iconic landmarks
Saturday25May 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday25May 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
June 2019
Saturday1Jun 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday1Jun 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday1Jun 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday2Jun 2019
Louisville
Colorado 13er
13er, 10k, 5k
Saturday8Jun 2019
Idaho Springs
Mt. Evans Ascent
The climb totals nearly 4,000 vertical feet - much of it above treeline
Saturday8Jun 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday8Jun 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday8Jun 2019
Pueblo
Big Dog Brag
Colorado's Family-Friendly 5K & 2K Fun Mud Obstacle Run
Thursday13Jun 2019
Westminster
Summer Six Pack Series #1
1M/5k
Saturday15Jun 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday15Jun 2019
Westminster
Happy Camper Fun Run
13.1 Mile / 26.2 Mile / 50 Mile / 100 Mile
Saturday15Jun 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday16Jun 2019
Denver
Fathers Day 5K/10K
Celebrate your Father, Brother, Son, Uncle, Grandfather, Husband or Friend with a great run or walk
Sunday16Jun 2019
Arvada
Father's Day Classic
Come to race and stay for the FREE Father's Day Car Show
Sunday16Jun 2019
Fruita
Desert RATS Kokopelli 150
Fruita, CO to Moab, UT
Saturday22Jun 2019
Arvada
Summer Breeze 1M, 5K, 10K and Half Marathon
Superior events from start to finish line
Saturday22Jun 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday22Jun 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday27Jun 2019
Westminster
Summer Six Pack Series #2
2M/5k
Saturday29Jun 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday29Jun 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday29Jun 2019
Colorado Springs
Big Dog Brag
Colorado's Family-Friendly 5K & 2K Fun Mud Obstacle Run
July 2019
Thursday4Jul 2019
Longmont
Longmont Half and 5k
Walkers and Runners of all abilities welcome
Thursday4Jul 2019
Louisville
Let Freedom Run
1 mile fun run, 5k, 10k
Saturday6Jul 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday6Jul 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday6Jul 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday11Jul 2019
Westminster
Summer Six Pack Series #3
5k
Saturday13Jul 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday13Jul 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday20Jul 2019
Westminster
Dog Days 1M, 5K, 10K & Half Marathon
Superior events from start to finish line
Saturday20Jul 2019
Palmer Lake
Kickers For Kids Fun Run
0.82 Mile, 5K, 10K, 13.1, 26.2, 50K, 50 Mile, 100K, 3-Person 50 Mile Relay, 6-Person 50 Mile Relay
Saturday20Jul 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday20Jul 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday25Jul 2019
Westminster
Summer Six Pack Series #4
4M/5k
Saturday27Jul 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday27Jul 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
August 2019
Saturday3Aug 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday3Aug 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday3Aug 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday8Aug 2019
Westminster
Summer Six Pack Series #5
5M/5k
Saturday10Aug 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday10Aug 2019
Westminster
Holy Cow Trail Stampede 5k/10k
Trail Stampede!
Saturday10Aug 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday17Aug 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday17Aug 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday22Aug 2019
Westminster
Summer Six Pack Series #6
10k/5k
Saturday24Aug 2019
Manitou Springs
Pikes Peak Ascent
Saturday24Aug 2019
Arvada
Runapalooza 1M, 5K, 10K and Half Marathon
Superior events from start to finish line.
Saturday24Aug 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday24Aug 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday25Aug 2019
Manitou Springs
Pikes Peak Marathon
America's ultimate challenge
Sunday25Aug 2019
Erie
Erie Half and 5k
Saturday31Aug 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday31Aug 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
September 2019
Sunday1Sep 2019
Colorado Springs
Flea Market Mile
Sunday1Sep 2019
Colorado Springs
Cheap 5K
Celebrate cheap Americana - and eat pancakes!
Saturday7Sep 2019
Palmer Lake
Palmer Lake Half Marathon and 10K
Can you say, "Wide Open Spaces.."
Saturday7Sep 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday7Sep 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday7Sep 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday14Sep 2019
Denver
The Denver 5k
THE Denver 5k - Fun, Flat, Fast!
Saturday21Sep 2019
Westminster
Fallfest 1M, 5K, 10K, Half and Full Marathon
Superior events from start to finish line.
Saturday28Sep 2019
Haxtun
Haxtun Corn Festival 5K
October 2019
Sunday6Oct 2019
Westminster
K9 Canter
Costumed K9 Canter and 1 Mile Fun Run
Sunday6Oct 2019
Denver
Hot Chocolate 15K/5K
Start and finish at Civic Center Park amongst Denver's biggest chocolate aficionados
Sunday27Oct 2019
Golden
Kooky-Spooky 1M, 5K, 10K and Half Marathon
Superior events from start to finish line.