Colorado

Colorado Race Calendar — All Events

(As of Tuesday, July 14, 2020) Print VersionPrint  For event listing corrections, please contact us.
To all participants and volunteers for upcoming events: Due to the rapidly evolving situation related to COVID-19, date changes and cancellations are being announced throughout the country. Please check directly with the race's website for the most up-to-date and reliable information regarding the event's status.
Date Event Location
Sat., 7/18/20
7:00 AM
All-Out Dog Days 1M, 5K, 10K, and Half Marathon
Run
Westminster, CO
Sat., 7/18/20
Evergreen Mountain Trail Race
Run
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Alderfer Ranch
Evergreen, CO
Sat., 7/18/20
6:00 AM
Summer Splash Prairie Dog Half Marathon, 10k and 5k
Half Marathon Run, 10K Run, 5K Run
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Castle View High School
Castle Rock, CO
Sat., 7/18/20
XTERRA Beaver Creek
Run
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Beaver Creek Mountain
Avon, CO
Sun., 7/19/20
7:00 AM
Evergreen Sprint Triathlon
750m swim/12 mi bike/5k run Triathlon
Evergreen Lake House
Evergreen, CO
Thu., 7/23/20
6:30 PM
Six Pack Summer Series Westminster- 4 mile & 5k
5K Run, 4 Mile Run
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Westbrook Park
Westminster, CO
Sat., 7/25/20
7:00 AM
Fort Collins Human Race
Half Marathon Run, 10K Run, 5K Run, Kids 1 Mile Fun Run/Walk
Civic Center Park
Fort Collins, CO
Sat., 7/25/20
Never Summer 100k
Run
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State Forest State Park
Gould, CO
Sat., 7/25/20
5:30 AM
Never Summer 100k
100K Run
State Forest State Park
Walden, CO
Thu., 7/30/20
6:30 PM
Six Pack Summer Series Westminster- 5 mile & 5k
5K Run, 5 Mile Run
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Westbrook Park
Westminster, CO
Sat., 8/1/20
Granby Gut Buster 5k
Run
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Granby Town Hall
Granby, CO
Sun., 8/2/20
Koala Bottle CMSP 24K/12K/5K
Run
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Cheyenne Mountain State Park
Colorado Springs, CO
Sat., 8/8/20
6:30 AM
Holy Cow Trail Stampede
10 Mile Run, 10K Run, 5K Run
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Westminster Prominade Terrace
Westminster, CO
Sat., 8/8/20
Staunton State Park 20k Trail Race
Run
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Buchanan Park Recreation Center
Evergreen, CO
Thu., 8/13/20
6:30 PM
Six Pack Summer Series Westminster- 5k & 10k
5K Run, 10K Run
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Westbrook Park
Westminster, CO
Sat., 8/15/20
Fort Lupton 5k
Run
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Fort Lupton Recreation & Parks Department
Fort Lupton, CO
Mon., 8/17/20
Center of the Nation Series - Day 1 (CO)
Run
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Pioneer Park
Sterling, CO
Sat., 8/22/20
7:15 AM
All-Out Runapalooza 1M, 5K, 10K, and Half Marathon
Run
Arvada, CO
Sat., 8/22/20
Basalt Half Marathon & 2 person relay
Run
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Lion's Park
Basalt, CO
Sun., 8/23/20
Boulder Sunset 10K & 5K
Run
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Boulder Reservoir
Boulder, CO
Sun., 8/23/20
Boulder Sunset Triathlon
Triathlon
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Boulder Reservoir
Boulder, CO
Sun., 8/23/20
7:00 AM
Erie Half and 5K
Half Marathon Run, 5K Run
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Reliance Park
Erie, CO
Sat., 8/29/20
Elk Meadow 10k Trail Race
Run
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Buchanan Park Recreation Center
Evergreen, CO
Sat., 8/29/20
Elk Meadow 5k Trail Race
Run
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Buchanan Park Recreation Center
Evergreen, CO
Sun., 8/30/20
10:00 AM
Rocky Mountain Brew Runs - Tails & Ales Brew Run
Fun Run/Walk
Dry Dock Brewing Co.
Aurora, CO
Sat., 9/5/20
Boulder Rez Marathon, 3/4 Marathon, Half Marathon, 10K & Relay
Run
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Boulder Reservoir
Boulder, CO
Sat., 9/5/20
Creede Mountain Run
Run
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Behind Basham Park
Creede, CO
Fri., 9/11/20
American Heroes Run
Run
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Rogers Grove Park
Longmont, CO
Sat., 9/12/20
Black Squirrel Half Marathon
Run
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Lory State Park
Bellvue, CO
Sat., 9/12/20
7:00 AM
Black Squirrel Half Marathon
Half Marathon Run
Lory State Park
Fort Collins, CO
Sat., 9/12/20
Breckenridge Oktoberfest 5K Trail Run
Run
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Breckenridge Recreation Center
Breckenridge, CO
Sat., 9/12/20
7:00 AM
Littlefoot Sprint Triathlon
750m swim/15k bike/5k run Triathlon
Bear Creek Lake Park
Morrison, CO
Sat., 9/19/20
7:30 AM
All-Out Fallfest 1M, 5K, 10K, Half and Full Marathon
Run
Westminster, CO
Sat., 9/19/20
Breckenridge Falling Leaves 7K Run
Run
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Breckenridge Recreation Center
Breckenridge, CO
Sun., 9/20/20
6:30 AM
Fall Equinox Marathon, Half Marathon & 5 Mile
Marathon Run, Half Marathon Run, 5 Mile Run
Poudre Canyon
Fort Collins, CO
Sat., 10/3/20
Louisville Trail Half Marathon, 10K, 5K
Run
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Louisville Community Park
Louisville, CO
Sat., 10/3/20
Spanish Peaks Downhill Half Marathon and 5K Fun Run
Run
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La Veta Town Park
La Veta, CO
Sat., 10/3/20
Spanish Peaks Half Marathon and 5K Fun Run
Run
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La Veta Town Park
La Veta, CO
Sun., 10/4/20
Long View Marathon & Half
Run
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Foote Lagoon Amphitheatre
Loveland, CO
Sun., 10/4/20
7:30 AM
Long View Marathon & Half Marathon
Marathon Run, Half Marathon Run
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City Park and Fossil Creek Park
Fort Collins, CO
Sun., 10/11/20
Adult-Glow in the Dark Family Fun Run
Run
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Buchanan Park Recreation Center
Evergreen, CO
Sun., 10/11/20
Family-Glow in the Dark Family Fun Run
Run
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Buchanan Park Recreation Center
Evergreen, CO
Sun., 10/11/20
7:00 AM
Windsor Half Marathon and Heavy 10K
Half Marathon Run, 10K Run
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Eastman Park
Windsor, CO
Sat., 10/17/20
7:00 AM
Blue Sky Trail Marathon
Marathon Run
Blue Sky Trailhead
Fort Collins, CO
Sat., 10/17/20
Blue Sky Trail Marathon
Run
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Horsetooth Mountain Park
Fort Collins, CO
Sun., 10/25/20
9:00 AM
All-Out Kooky-Spooky 1M, 5K, 10K & Half Marathon
Run
Golden, CO
Sat., 10/31/20
Panda Waddle 5k
Run
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Longs Family Park
Grand Junction, CO
Sat., 11/7/20
8:00 AM
Rim Rock Run
Marathon Run, Marathon Relay Specialty, Half Marathon Run, 12K Run
Colorado National Monument
Fruita, CO
Sat., 12/5/20
9:00 AM
All-Out Fa La La 1M, 5K, 10K & Half Marathon
Run
Westminster, CO
Thu., 12/31/20
Resolution Run 5K
Run
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Edora Pool Ice Center
Fort Collins, CO
Thu., 12/31/20
6:00 PM
Resolution Run 5K
5K Run
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Edora Pool Ice Center
Fort Collins, CO
Sat., 1/9/21
9:00 AM
All-Out Polar Prowl 1M, 5K, 10K & Half Marathon
Run
Arvada, CO
Tue., 2/9/21
9:00 AM
All-Out Mardi Crawl 1M, 5K, 10K, and Half Marathon
Half Marathon Run, 10K Run, 5K Run, 1 Mile Run
Bear Creek Lake Park
Lakewood, CO
Sun., 3/21/21
9:00 AM
All-Out Spring Fever 1M, 5K, 10K, and Half Marathon
Half Marathon Run, 10K Run, 5K Run, 1 Mile Run
North Area Athletic Complex
Golden, CO
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