Colorado Run Listings

May 2019
Thursday2May 2019
Colorado Springs
Run/Walk for Mental Health
Be part of our journey to raise awareness and understanding for mental illness in all 50 states in 50 days
Saturday4May 2019
Buena Vista
Collegiate Peaks Races
25 miles and 50 miles
Saturday4May 2019
Palisade
Grand Valley Marathon
See some of the most historic and scenic areas in the Grand Valley
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
Colorado Springs
Take 5 in the Garden
5K and 5Mile Courses
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
Berthoud
Bob Turner Classic
5K Fun Run/Walk
Saturday4May 2019
Broomfield
Kohl 5K
Raising funds for mobile computer labs for Kohl Elementary School
Saturday4May 2019
Denver
BT5K
Part of the American Brain Tumor Association's Breakthrough for Brain Tumors 5K series
Saturday4May 2019
Denver
Cross Country Challenge 6k
Runners will compete over a 6K distance on a course starting and finishing on the Great Lawn Park
Saturday4May 2019
Denver
Furry Scurry
Walk with us to raise funds for homeless pets and horses
Saturday4May 2019
Estes Park
Duck Waddle 5K
Run with us and automatically adopt a rubber Duck to float down the Fall River
Saturday11May 2019
Fruita
Rabbit Valley Half
With short steep climbs, rock gardens and sand traps runners will enjoy 13.1 miles of gorgeous early season desert.
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
Littleton
Airlife Memorial 10K/5K
The 5K and 10K are both official USATF certified qualifiers for the BolderBoulder
Saturday11May 2019
Castle Rock
Climb4Change
Think of a 5K, but instead of running 3 miles, you are racing up the stairs of the Challenge Hill at Philip S. Miller Park
Saturday11May 2019
Montrose
Montrose Aruna Run/Walk
Run or walk for an enslaved woman by name whom the Aruna Project staff personally know and are working to free from the brothels
Saturday11May 2019
Longmont
Happy Smackah
An untimed, Fun Run / Walk around beautiful Lake McIntosh
Saturday11May 2019
Englewood
High Plains Fun Run
Followed by a festival with food, sponsor tables and activities
Saturday11May 2019
Colorado Springs
Lustgarten Foundation Pancreatic Cancer Research Walk
Saturday11May 2019
Highlands Ranch
Mother's Day 5K
Sign up dad and the kids too and make it a morning of activity the entire family can enjoy
Saturday11May 2019
Pueblo
Ordinary Mortals Triathlon
A reverse order (run-bike-swim) sprint distance early season triathlon for all us "Ordinary Mortals"
Saturday11May 2019
Colorado Springs
Women's Distance Festival 5K
Supporting Girls on the Run
Sunday12May 2019
Pueblo
Yappy Dog 8.6M
Race #5 of the SCR Prediction Series
Sunday12May 2019
Westminster
Colorado Women's Classic
#runclassy
Sunday12May 2019
Denver
Denver Mother's Day 5K
Celebrate Mother's Day mom's way
Sunday12May 2019
Boulder
Mermaid Run Boulder
A day to run, walk, skip or jog and celebrate with the entire family
Sunday12May 2019
Greenwood Village
Girls on the Run 5K
Tuesday14May 2019
Boulder
Dash and Dine Series #5
After each race you'll have a chance to relax, kick back with friends, and enjoy the post race dinner!
Saturday18May 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday18May 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday18May 2019
Evergreen
Elk Meadow 5k Trail Race
This 5K race leads runners throughout the rolling hills of Elk Meadow Open Space Park
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
Saturday18May 2019
Denver
Colfax 5K
Your chance to be a part of marathon weekend but at a much shorter distance
Sunday19May 2019
Denver
Colfax Marathon and Half Marathon
Enjoy Denver's iconic landmarks
Sunday19May 2019
Colorado Springs
NORAD Trail Race
Full marathon, half marathon, and 4-mile
Sunday19May 2019
Arvada
Miles for Smiles 5K
Following the 5K there is a 50-yard Adaptive Dash where disabled children will show off their speed
Tuesday21May 2019
Boulder
Dash and Dine Series #6
After each race you'll have a chance to relax, kick back with friends, and enjoy the post race dinner!
Saturday25May 2019
Colorado Springs
High Drive Challenge
10-mile and 4-mile
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
Louisville
Taste of Louisville
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
Sunday2Jun 2019
Steamboat Springs
Steamboat Marathon
Find out why the Steamboat Marathon was ranked as one of the "Top 10 Destination Marathons in North America"
Sunday2Jun 2019
Centennial
Splash Dash 5K
Prepare to get wet as you wind through the adjacent Southglenn subdivision
Saturday8Jun 2019
Idaho Springs
Mt. Evans Ascent
The climb totals nearly 4,000 vertical feet - much of it above treeline
Saturday8Jun 2019
Divide
Mueller Marathon
Marathon and 25K at Mueller State Park
Saturday8Jun 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday8Jun 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday8Jun 2019
Evergreen
Elk Meadow Trail Race 5.1M
This is a timed event that starts and ends near the Lewis Ridge Trail Head
Saturday8Jun 2019
Pueblo
Big Dog Brag
Colorado's Family-Friendly 5K & 2K Fun Mud Obstacle Run
Saturday8Jun 2019
Littleton
Stepping Stone 5K
Fast, friendly 5K
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
Saturday22Jun 2019
Georgetown
Slacker Half Marathon
The highest downhill half marathon in the country and possibly the highest dowhill 4 Mile 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 Valley Marathon
A beautiful and scenice run along the Rio Grande Trail.
Saturday13Jul 2019
Denver
Sand Creek Half Marathon
Also 5K and 10K
Saturday13Jul 2019
Colorado Springs
Spartan Super 8-10 miles
Saturday13Jul 2019
Golden
White Ranch Trail Run
Enjoy a 10 K run or a 5K walk
Saturday13Jul 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday13Jul 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Sunday14Jul 2019
Colorado Springs
Spartan Sprint 3-5 miles
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
Colorado Springs
Pikes Peak Ultra
50-mile, 50K, and 30K
Saturday27Jul 2019
Conifer
Elevation 5K
Fundraiser for Conifer Lobos Unified Boosters and the Conifer Community Trails
Saturday27Jul 2019
Aspen
Aspen parkrun
Weekly Free 5km Timed Run
Saturday27Jul 2019
Boulder
South Boulder Creek parkrun
Weekly Free 5km Timed Run
Saturday27Jul 2019
Hesperus
Kennebec Mountain Run
An alpine trail race held in the La Plata Mountains
Saturday27Jul 2019
Greeley
Run For The Honor 5k
Let's get our deserving Veterans to Washington D.C. to see the memorials raised to honor their sacrifices and service
Sunday28Jul 2019
Manitou Springs
Barr Trail Mountain Race
One of the Front Range's historic summer mountain running events
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
Saturday3Aug 2019
Colorado Springs
Hears 5K Experience
Sunday4Aug 2019
Castle Rock
XTERRA Castle Rock
5K, 10k, 20K
Sunday4Aug 2019
Evergreen
Evergreen Town Race
The fastest 5K ever run in Colorado was run on this course
Thursday8Aug 2019
Westminster
Summer Six Pack Series #5
5M/5k
Saturday10Aug 2019
Aspen
Aspen Backcountry Marathon
Boasting spectacular views of the Elk Mountains and the city of Aspen
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
Denver
Broncos 7K Denver
If you do one run in Colorado this year, this should be it
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
Eagle
Mountain RATS
Fun and adventurous trail running challenge
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
Lone Tree
The South Seven
The course will be on wide, crushed gravel paths and, depending on the status of construction in the nearby neighborhood, potentially a little bit of single track
Saturday14Sep 2019
Denver
The Denver 5k
THE Denver 5k - Fun, Flat, Fast!
Sunday15Sep 2019
Wheat Ridge
Farmers 5000
All funds from entry fees are given to various educational and special programs within Wheat Ridge High School
Saturday21Sep 2019
Westminster
Fallfest 1M, 5K, 10K, Half and Full Marathon
Superior events from start to finish line.
Sunday22Sep 2019
Colorado Springs
XTERRA Half Marathon, 12K and 5K
The original trail marathon race at Colorado Springs' Cheyenne Mountain State Park
Saturday28Sep 2019
Westminster
Pioneer Prairie Dog Half, 10k, & 5k
Part of the prairie dog half series
Saturday28Sep 2019
Commerce City
Foam Glow 5K
Glowing Foam and a ton of Blacklights all over the course
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.
Saturday5Oct 2019
Brighton
Blacklight Run
A unique night 5K fun run focused less on speed and more on UV Neon Glowing fun with friends and family
Sunday6Oct 2019
Westminster
K9 Canter
Costumed K9 Canter and 1 Mile Fun Run
Sunday6Oct 2019
Golden
Maple Grove Grizzly Growl 5K
This family-friendly race will raise money for the Maple Grove PTA
Sunday6Oct 2019
Denver
Hot Chocolate 15K/5K
Start and finish at Civic Center Park amongst Denver's biggest chocolate aficionados
Saturday12Oct 2019
Lakewood
Stone House (2x) Triple-Cross
The distance will be approximately 8.4 miles
Saturday19Oct 2019
Lakewood
The Great Trailhead Foot Race 10 Miler and 5k
At Bear Creek Lake Park
Sunday20Oct 2019
Glenwood Springs
XTERRA Glenwood Springs
Half marathon 12K and 5K trail race
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.
Saturday16Nov 2019
Littleton
Veterans Run 6.6 miler
Most is on single track with some crushed gravel through the neighborhood
Saturday23Nov 2019
Arvada
10k Turkey Trek
Can you conquer the challenge?
Thursday28Nov 2019
Broomfield
Broomfield Turkey Day 5k/10k
Finisher's Medals!
Thursday28Nov 2019
Evergreen
EChO Annual Turkey Trot
Step Up to Stomp Out Hunger!
December 2019
Saturday7Dec 2019
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
Saturday7Dec 2019
Denver
Sand Creek 5 Miler
Runners will compete over a 5 Mile distance on a course at the Bluff Lake Nature Center on the Sand Creek Greenway
January 2020
Saturday4Jan 2020
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
February 2020
Saturday1Feb 2020
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
March 2020
Saturday7Mar 2020
Colorado Springs
Nielson Challenge
A monthly 2-mile run with a cool handicap algorithm.
April 2020
Sunday12Apr 2020
Colorado Springs
Hams and Hamstrings® 5K
Colorado's Easter Sunday 5K - every finisher gets a free mini Easter Ham
May 2020
Sunday3May 2020
Littleton
Dirt's Dig Deep 5k
Benefits Dirt's vocational training program, outreach programs and scholarships for individuals in need