Colorado Run Listings

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
Canon City
Snow Queen Frosty February 5K
5k, 10k
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
Loveland
Sweetheart Classic
4-mile race and couples race
Saturday9Feb 2019
Fort Collins
Catch Me If You Can
For this race all the ladies get a 3 minute head start
Saturday9Feb 2019
Littleton
Platte River 7M and 5K
Runs on the South Platte concrete bike paths
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
Pueblo
Valentines Twosome
Casual couples relay on a 5-km course at City Park
Sunday10Feb 2019
Denver
Valentine's Day 4-Mile
Denver's oldest Valentine's Day Run
Sunday10Feb 2019
Lyons
Old Man Winter Rally
A fast, flat "Best of Lyons" 5.8-mile run course
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
Saturday16Feb 2019
Fruita
Sweet Heart Run
5k/10k Run & Health Expo
Sunday17Feb 2019
Vail
Vail Mountain Winter Uphill Race
Takes runners, skiers, snowshoers and outdoor enthusiasts approximately 2,200 vertical feet, or two miles, up the groomed trails the top of Vail Mountain
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
Westminster
Forty Furlongs
Warm up your winter running with this fast CMRA 5 mile (1600 rod) race
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
Pueblo
Spring Runoff 5K 10K
5K, 10K, 10-mile, 3-mile
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
Highlands Ranch
St. Patrick's Day 5K
Once you finish your 5K, your first beer is on us!
Saturday16Mar 2019
Colorado Springs
5K for St Patricks Day
First race of the Grand Prix of Running
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
Saturday23Mar 2019
Littleton
Spring Spree 10K
Bring some dry clothes and stay for breakfast after the race!
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
Saturday30Mar 2019
Colorado Springs
Walk, Run, Roll for Daniel
Join us as we spread the love to our local family, Daniel Giffin
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
Pueblo West
Baylon Michael Meyer 5K/10K Memorial Run/Walk
Providing scholarships to Pueblo District 70 high school seniors
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
Sunday7Apr 2019
Colorado Springs
XTERRA Cheyenne Mountain State Park 5K/12K/24K
Open to runners of all ages and skill levels.
Sunday7Apr 2019
Fort Collins
Flying Pig 5K Run/Walk
Fundraiser to benefit families in the Family Support Services Program (FSSP)-Foothills Gateway, Inc.
Sunday7Apr 2019
Colorado Springs
Purple Run
This event is a fundraiser for those individuals with pancreatic cancer.
Saturday13Apr 2019
Colorado Springs
Rattler Trail Race
50k, 25k, and 10k
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
Palmer Lake
24 Hours of Palmer Lake Death Race & Fun Run
Run a race where runners come together for fun, no pressure.
Saturday13Apr 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday13Apr 2019
Colorado Springs
Tortoise and Hare
A unique handicap race based on age, weight, height and gender
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
Denver
Hoppin' Half
A great way to celebrate Spring and enjoy one of the best parks in the city
Saturday20Apr 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday20Apr 2019
Brighton
Five Star Fun Run and 5K
All funds raised will go toward enhancing wellness programs in Adams 12 schools
Saturday20Apr 2019
Denver
Bunny Bolt 5K/10K
Don't miss Denver's only GOLDEN EGG HUNT for adults!!
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
Colorado Springs
Cheyenne Mountain Trail Race
10K, 25K, 50K
Saturday27Apr 2019
Denver
Donut Dash 5K and 10K
#DonutDash5K
Saturday27Apr 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday27Apr 2019
Colorado Springs
Bash the Bluffs
In memory of Dr. Ed Burke (1949-2002)
Sunday28Apr 2019
Denver
Cherry Creek Sneak
10-mile, 5-mile, 5k or 1.5-mile
May 2019
Saturday4May 2019
Buena Vista
Collegiate Peaks Races
25 miles and 50 miles
Saturday4May 2019
Larkspur
Greenland Trail 50K
50K, 25K, 8M, 4M
Saturday4May 2019
Canon City
runBlossom
1/2 marathon and both a 5k & 5mile option as well as a Kids' Fun Run & Toddler Trot
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
Saturday4May 2019
Denver
BT5K
Part of the American Brain Tumor Association's Breakthrough for Brain Tumors 5K series
Saturday4May 2019
Denver
Furry Scurry
Walk with us to raise funds for homeless pets and horses
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
Saturday11May 2019
Denver
Cross Country Challenge 6k
Runners will compete over a 6K distance on a course starting and finishing on the Great Lawn Park
Sunday12May 2019
Westminster
Colorado Women's Classic
#runclassy
Sunday12May 2019
Denver
Denver Mother's Day 5K
Celebrate Mother's Day mom's way
Saturday18May 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday18May 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday18May 2019
Colorado Springs
Run to the Shrine
4-mile Run/Walk up to the Will Rogers Shrine of the Sun and back down into the Zoo
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
Monday27May 2019
Boulder
Bolder Boulder
America's All Time Best 10K
Monday27May 2019
Fort Collins
Colorado Run
Moving to Memorial Day with a new beautiful race courses & great post-race party
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
Saturday1Jun 2019
Denver
Denver Brain Tumor Walk
An opportunity for individuals and teams to honor and remember loved ones, connect with others interested in the brain tumor community and raise awareness
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
Sunday9Jun 2019
Colorado Springs
Garden of the Gods 10 miler
Big Hills, Awesome Rocks, All Challenge
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
Castle Rock
Summer Splash Prairie Dog Half, 10K, and 5K
5K 10K Half Marathon
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
Westminster
Pioneer Prairie Dog Half, 10k, & 5k
Part of the prairie dog half series
Saturday28Sep 2019
Haxtun
Haxtun Corn Festival 5K
October 2019
Saturday5Oct 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
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
Saturday19Oct 2019
Lakewood
The Great Trailhead Foot Race 10 Miler and 5k
At Bear Creek Lake Park
Sunday27Oct 2019
Westminster
Westy Half and 5k
Part of the Hometown Race Series
Sunday27Oct 2019
Golden
Kooky-Spooky 1M, 5K, 10K and Half Marathon
Superior events from start to finish line.
November 2019
Saturday2Nov 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday23Nov 2019
Arvada
10k Turkey Trek
Can you conquer the challenge?
Thursday28Nov 2019
Broomfield
Broomfield Turkey Day 5k/10k
Finisher's Medals!
December 2019
Saturday7Dec 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
January 2020
Saturday4Jan 2020
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.