Colorado Run Listings
Sunday 9 Dec 2018
Jingle Bell Run
Be part of the largest holiday-themed 5K race series anywhere
Saturday 15 Dec 2018
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 15 Dec 2018
Scramblin' Scrooge 1M/5K/10K
Bah! Humbug!
Saturday 15 Dec 2018
Santa Stampede
A flat and fast 5K and 10K held along the banks of the scenic South Platte River
Saturday 15 Dec 2018
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 15 Dec 2018
Santa Cause Run
All entrants will receive a Santa hat and beard to wear during the race
Saturday 15 Dec 2018
Santa Bob 3K Toy Drive
Benefiting The Bob Tellemosa Foundation
Sunday 16 Dec 2018
Stocking Run
Fun and festive, family-friendly 5K run and walk
Saturday 22 Dec 2018
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 22 Dec 2018
Christmas Carol Classic
5k, 10k and Tiny Tim 1k
Saturday 22 Dec 2018
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 22 Dec 2018
Round-UP Rudolph Run
Part of the Alamosa Christmas Light Parade
Saturday 22 Dec 2018
Full Moon Run
A run for the full moon, followed by a tailgate gathering
Saturday 29 Dec 2018
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 29 Dec 2018
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 29 Dec 2018
Raptor Resolution Run
Say Goodbye to 2018 and Hello to 2019
Monday 31 Dec 2018
Resolution 5K
Denver's Oldest New Year's Eve 5K Run and Walk
Monday 31 Dec 2018
Resolution Run 5K
5K evening race
Tuesday 1 Jan 2019
Rescue Run
5K/10K Supporting El Paso County Search and Rescue
Tuesday 1 Jan 2019
Resolute Runner 5k
5k on new year's day
Tuesday 1 Jan 2019
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.
Tuesday 1 Jan 2019
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.
Tuesday 1 Jan 2019
New Year's Rockn' Run
Join with your community and StrideMob for a 5k and make a commitment to stay active in 2019
Saturday 5 Jan 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 5 Jan 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 5 Jan 2019
Resolve 5K/10K
Flat and fast course at City Park
Saturday 5 Jan 2019
Six Pack Series - Winter #1
1M/5k
Saturday 5 Jan 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 6 Jan 2019
Winter Highlands Ranch Six Pack Series #1
1 Mile or 5k
Saturday 12 Jan 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 12 Jan 2019
Polar Prowl 1M, 5K, 10K, & Half Marathon
Superior events from start to finish line
Saturday 12 Jan 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 12 Jan 2019
Six Pack Series - Winter #2
2M/5k
Saturday 12 Jan 2019
Chilly Cheeks Duathlon Series #2
Each race is comprised of approximately 4 miles of running on paved roads, bike paths, and dirt trails
Saturday 12 Jan 2019
Winter Series I
3.3M 7M
Sunday 13 Jan 2019
Fossil Creek Park 5k Tortoise & Hare
All about anyone having the same ability to win the race
Sunday 13 Jan 2019
Winter Highlands Ranch Six Pack Series #2
2 Mile or 5k
Saturday 19 Jan 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 19 Jan 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 19 Jan 2019
Polar 5k & Polar Bear Plunge
After your run grab your best plunge outfit and join the POLAR BEAR CLUB
Sunday 20 Jan 2019
Arctic Prairie Dog Half, 10k & 5k
Prairie Dog Half
Sunday 20 Jan 2019
Polar Bear 5K
You run faster when it's cold, right?
Sunday 20 Jan 2019
Yeti Chase 5K & 10K
Mostly flat 5K course, while the 10k throws in a few rolling hills
Saturday 26 Jan 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 26 Jan 2019
Frosty's Frozen Five and Ten
A flat and fast 5 mile and 10 mile race!
Saturday 26 Jan 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 26 Jan 2019
Six Pack Series - Winter #3
5k
Saturday 26 Jan 2019
Winter Series II
4M 8M
Sunday 27 Jan 2019
Winter Highlands Ranch Six Pack Series #3
5k
Saturday 2 Feb 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 2 Feb 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 2 Feb 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 2 Feb 2019
Six Pack Series - Winter #4
4M/5k
Saturday 2 Feb 2019
Abominable Winter Adventure Run
Expect steep inclines, deep snow, thick forests, walls and crawls, sledding sections and other challenging winter themed obstacles to overcome
Sunday 3 Feb 2019
Edora Park 8k Tortoise & Hare
All about anyone having the same ability to win the race
Sunday 3 Feb 2019
Winter Highlands Ranch Six Pack Series #4
4 Mile or 5k
Sunday 3 Feb 2019
Ralston Creek Half Marathon & 5k
Colorado's Premier Winter Half Marathon
Sunday 3 Feb 2019
Super Bowl 5K
Don't forgot to dress in your favorite team colors!
Sunday 3 Feb 2019
Super Half Marathon & Game Day 5K
Fundraiser for the Pikes Peak Road Runners and PikesPeakSports.us
Sunday 3 Feb 2019
Super Sunday Fun Run
Show your team spirit and wear your favorite team jersey or attire
Saturday 9 Feb 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 9 Feb 2019
Le Cours de L'Amour 5K/10K
5K, 10K and Kids Run
Saturday 9 Feb 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 9 Feb 2019
Catch Me If You Can
For this race all the ladies get a 3 minute head start
Saturday 9 Feb 2019
Heart Throb Run 5k - Arvada
I'm a heart throb!
Saturday 9 Feb 2019
Heart Throb Run 5k - Longmont
I'm a heart throb!
Saturday 9 Feb 2019
Love 'em or Leave 'em 5K 10K
Will you embrace the holiday full of heart or run from Cupid?
Saturday 9 Feb 2019
Winter Series III
5M 10M
Sunday 10 Feb 2019
Valentine's Day 4-Mile
Denver's oldest Valentine's Day Run
Saturday 16 Feb 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 16 Feb 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 16 Feb 2019
Six Pack Series - Winter #5
5M/5k
Sunday 17 Feb 2019
Winter Highlands Ranch Six Pack Series #5
5 mile or 5k
Sunday 17 Feb 2019
Freeze Your Buns Off
Nice flat 5K course
Saturday 23 Feb 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 23 Feb 2019
Mardi Crawl 1M, 5K, 10K & Half Marathon
Superior events from start to finish line
Saturday 23 Feb 2019
Snowman Stampede
5-mile, 10-mile, kids run
Saturday 23 Feb 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 23 Feb 2019
Chilly Cheeks Duathlon Series #3
Each race is comprised of approximately 4 miles of running on paved roads, bike paths, and dirt trails
Saturday 23 Feb 2019
Winter Series IV
10K 20K
Saturday 23 Feb 2019
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
Sunday 24 Feb 2019
Pueblo Marathon
Full and half
Saturday 2 Mar 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 2 Mar 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 2 Mar 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 2 Mar 2019
Six Pack Series - Winter #6
5k/10k
Sunday 3 Mar 2019
Fight For Air Climb
Supports the mission of the American Lung Association.
Sunday 3 Mar 2019
Lee Martinez Park 10k Tortoise & Hare
All about anyone having the same ability to win the race
Sunday 3 Mar 2019
That Dam Run
Come Crush that Dam and the 13.1 Half Marathon, 10K, or our 5K
Sunday 3 Mar 2019
Winter Highlands Ranch Six Pack Series #6
5k or 10k
Saturday 9 Mar 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 9 Mar 2019
Lucky Charm 1M, 5K, 10K
You can grab a bowl of LUCKY CHARMS at the end
Saturday 9 Mar 2019
Salida Run Through Time Marathon
One of Colorado's premier trail races
Saturday 9 Mar 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 16 Mar 2019
Sharin' O' the Green 5K
Supports Partners Mentoring Youth in Northern Colorado
Saturday 16 Mar 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 16 Mar 2019
Lucky Laces 5K/10K
5K, 10K, Little Leprechaun Fun Run
Saturday 16 Mar 2019
Erin Go Braugh 7.77k
Colorado's Luckiest Race!
Saturday 16 Mar 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 16 Mar 2019
Blue Sky Blizzard Run 5K
Proceeds benefit Adults & Children with Developmental Disabilities
Saturday 16 Mar 2019
Saint Patrick's Brew Run
Wear your Greenest Green
Sunday 17 Mar 2019
Runnin' of the Green Lucky 7K
One of the largest 7K's in the United States
Saturday 23 Mar 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 23 Mar 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 24 Mar 2019
Spring Equinox Half Marathon
Half Marathon and 4-Mile
Sunday 24 Mar 2019
Spring Fever 1M, 5K, 10K & Half Marathon
Superior events from start to finish.
Saturday 30 Mar 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 30 Mar 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 31 Mar 2019
Cottonwood Glen Park 12k Tortoise & Hare
All about anyone having the same ability to win the race
Saturday 6 Apr 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 6 Apr 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 6 Apr 2019
Three Creeks Half Marathon
Denver's Best Spring Half Marathon
Saturday 6 Apr 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 6 Apr 2019
Bobcat Boogie
5K Run/Walk and 1 Mile Foxtrot Fun Run
Saturday 13 Apr 2019
Beat the Heat 1M, 5K, 10K, Half and Full Marathon
Superior events from start to finish line.
Saturday 13 Apr 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 13 Apr 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 14 Apr 2019
Platte River Half Marathon & Relay
Enjoy the best post-race party in Colorado
Sunday 14 Apr 2019
Spring Fling Prairie Dog Half
Spring Fling!
Sunday 14 Apr 2019
Horsetooth Half Marathon
Surprisingly fast course, with a net loss in elevation
Saturday 20 Apr 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 20 Apr 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 21 Apr 2019
Hams and Hamstrings® 5K
Colorado's Easter Sunday 5K - every finisher gets a free mini Easter Ham
Saturday 27 Apr 2019
Westminster Trail Half Marathon/10K/5K
Marathon, 10K, and 5K
Saturday 27 Apr 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 27 Apr 2019
Donut Dash 5K and 10K
#DonutDash5K
Saturday 27 Apr 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 4 May 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 4 May 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 4 May 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 11 May 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 11 May 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 11 May 2019
Carbon Valley Half Marathon, Family & Friends Relay, 5K & Fun Run
To benefit Autism Research
Sunday 12 May 2019
Colorado Women's Classic
#runclassy
Saturday 18 May 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 18 May 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 19 May 2019
Colfax Marathon and Half Marathon
Enjoy Denver's iconic landmarks
Saturday 25 May 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 25 May 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 1 Jun 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 1 Jun 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 1 Jun 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 2 Jun 2019
Colorado 13er
13er, 10k, 5k
Saturday 8 Jun 2019
Mt. Evans Ascent
The climb totals nearly 4,000 vertical feet - much of it above treeline
Saturday 8 Jun 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 8 Jun 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 8 Jun 2019
Big Dog Brag
Colorado's Family-Friendly 5K & 2K Fun Mud Obstacle Run
Thursday 13 Jun 2019
Summer Six Pack Series #1
1M/5k
Saturday 15 Jun 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 15 Jun 2019
Happy Camper Fun Run
13.1 Mile / 26.2 Mile / 50 Mile / 100 Mile
Saturday 15 Jun 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 16 Jun 2019
Fathers Day 5K/10K
Celebrate your Father, Brother, Son, Uncle, Grandfather, Husband or Friend with a great run or walk
Sunday 16 Jun 2019
Father's Day Classic
Come to race and stay for the FREE Father's Day Car Show
Sunday 16 Jun 2019
Desert RATS Kokopelli 150
Fruita, CO to Moab, UT
Saturday 22 Jun 2019
Summer Breeze 1M, 5K, 10K and Half Marathon
Superior events from start to finish line
Saturday 22 Jun 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 22 Jun 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday 27 Jun 2019
Summer Six Pack Series #2
2M/5k
Saturday 29 Jun 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 29 Jun 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 29 Jun 2019
Big Dog Brag
Colorado's Family-Friendly 5K & 2K Fun Mud Obstacle Run
Thursday 4 Jul 2019
Longmont Half and 5k
Walkers and Runners of all abilities welcome
Thursday 4 Jul 2019
Let Freedom Run
1 mile fun run, 5k, 10k
Saturday 6 Jul 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 6 Jul 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 6 Jul 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday 11 Jul 2019
Summer Six Pack Series #3
5k
Saturday 13 Jul 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 13 Jul 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 20 Jul 2019
Dog Days 1M, 5K, 10K & Half Marathon
Superior events from start to finish line
Saturday 20 Jul 2019
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
Saturday 20 Jul 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 20 Jul 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday 25 Jul 2019
Summer Six Pack Series #4
4M/5k
Saturday 27 Jul 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 27 Jul 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 3 Aug 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 3 Aug 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 3 Aug 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday 8 Aug 2019
Summer Six Pack Series #5
5M/5k
Saturday 10 Aug 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 10 Aug 2019
Holy Cow Trail Stampede 5k/10k
Trail Stampede!
Saturday 10 Aug 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 17 Aug 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 17 Aug 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Thursday 22 Aug 2019
Summer Six Pack Series #6
10k/5k
Saturday 24 Aug 2019
Pikes Peak Ascent
Saturday 24 Aug 2019
Runapalooza 1M, 5K, 10K and Half Marathon
Superior events from start to finish line.
Saturday 24 Aug 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 24 Aug 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 25 Aug 2019
Pikes Peak Marathon
America's ultimate challenge
Sunday 25 Aug 2019
Erie Half and 5k
Saturday 31 Aug 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 31 Aug 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday 1 Sep 2019
Flea Market Mile
Sunday 1 Sep 2019
Cheap 5K
Celebrate cheap Americana - and eat pancakes!
Saturday 7 Sep 2019
Palmer Lake Half Marathon and 10K
Can you say, "Wide Open Spaces.."
Saturday 7 Sep 2019
Aspen parkrun
Weekly Free 5km Timed Run
Saturday 7 Sep 2019
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday 7 Sep 2019
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday 14 Sep 2019
The Denver 5k
THE Denver 5k - Fun, Flat, Fast!
Saturday 21 Sep 2019
Fallfest 1M, 5K, 10K, Half and Full Marathon
Superior events from start to finish line.
Saturday 28 Sep 2019
Haxtun Corn Festival 5K
Sunday 6 Oct 2019
K9 Canter
Costumed K9 Canter and 1 Mile Fun Run
Sunday 6 Oct 2019
Hot Chocolate 15K/5K
Start and finish at Civic Center Park amongst Denver's biggest chocolate aficionados
Sunday 27 Oct 2019
Kooky-Spooky 1M, 5K, 10K and Half Marathon
Superior events from start to finish line.
