Colorado

Colorado Race Calendar — All Events

(As of Wednesday, June 16, 2021) 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., 6/19/21
Colorado Springs Spartan Trail
Run
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Pike's Peak International Raceway
Fountain, CO
Sat., 6/19/21
Rockin' For Hope 5K & Kid's 1 Mile
Run
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Boardwalk Park
Windsor, CO
Sun., 6/20/21
7:20 AM
Father's Day Classic 1 Mile, 5k, 10k, & 10 Mile
10 Mile Run, 1 Mile Run, 5K/10K Run
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Apex Recreation Center
Arvada, CO
Sat., 6/26/21
7:00 AM
All-Out Summer Breeze 1M, 5K, 10K & Half Marathon
Half Marathon Run, 10K Run, 5K Run, 1 Mile Run
Stenger Soccer Complex
Arvada, CO
Sat., 6/26/21
Boulder Sunrise
Run
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Boulder Reservoir
Boulder, CO
Sun., 7/4/21
7:00 AM
I Can 5k with DejaVu 10k & 15k
5K Run, 10K Run, 15K Run
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Riverdale Regional Park
Brighton, CO
Sun., 7/4/21
7:45 AM
Let Freedom Run 5k/10k
10K Run, 5K Run
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Louisville Recreation Center
Louisville, CO
Sun., 7/4/21
8:00 AM
Live Free ROCK-IT Half Marathon Relay & 5K
Half Marathon Relay Run, 5K Run
Douglas County Events Center
Castle Rock, CO
Sun., 7/4/21
6:00 AM
Longmont Half & 5k
Half Marathon Run, 5K Run
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Sandstone Ranch Park
Longmont, CO
Sat., 7/10/21
Elk Meadow 10k Trail Race
Run
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Buchanan Park Recreation Center
Evergreen, CO
Sat., 7/10/21
Elk Meadow 5k Trail Race
Run
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Buchanan Park Recreation Center
Evergreen, CO
Sat., 7/17/21
7:00 AM
All-Out Dog Days 1M, 5K, 10K, and Half Marathon
Half Marathon Run, 10K Run, 5K Run, 1 Mile Run
Westminster City Park
Westminster, CO
Sat., 7/17/21
6:30 AM
Summer Splash Prairie Dog Half, 10k, & 5k
Half Marathon Run, 10K Run, 5K Run
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Castle View High School
Castle Rock, CO
Sat., 7/17/21
XTERRA Beaver Creek
Run
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Beaver Creek Mountain
Avon, CO
Sat., 7/24/21
6:00 AM
Box Canyon Trail Races
10 Mile Ultra/Trail, 30K Ultra/Trail
Oak St Plaza
Telluride, CO
Sat., 7/24/21
Tough Mudder Colorado
Run
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Sterling Ranch
Littleton, CO
Fri., 7/30/21
5:30 AM
Never Summer 100k/60k
60K Run, 100K Run
State Forest State Park
Gould, CO
Tue., 8/10/21
6:00 PM
Lory Summer Trail Series
Valley 5K - Aug 10 Run, Hilly 10K - Aug 17 Run, Hilly 5K - Aug 24 Run, Valley 12K - Aug 31 Run
Lory State Park
Fort Collins, CO
Sat., 8/14/21
Boulder Rez Marathon
Run
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Boulder Reservoir
Boulder, CO
Sat., 8/14/21
XTERRA Indian Peaks
Run
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Eldora Mountain Resort
Nederland, CO
Sat., 8/21/21
7:00 AM
All-Out Runapalooza 1M, 5K, 10K, and Half Marathon
Half Marathon Run, 10K Run, 5K Run, 1 Mile Run
Apex Center
Arvada, CO
Sat., 8/28/21
Boulder Sunset
Run
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Boulder Reservoir
Boulder, CO
Sat., 8/28/21
Kokopelli Classic Trail Runs
Run
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Kokopelli Trail Start
Loma, CO
Sat., 8/28/21
7:00 AM
Staunton Rocks! Marathon & Half
Half Marathon Run
Staunton State Park
Conifer, CO
Sun., 8/29/21
Colorado State Fair Stampede 5K Run and 2-Mile Walk
Run
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Colorado State Fair
Pueblo, CO
Sat., 9/4/21
Creede Mountain Run
Run
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Behind Basham Park
Creede, CO
Sat., 9/11/21
7:00 AM
Black Squirrel Half Marathon
Half Marathon (13.3 Mile) Run
Lory State Park
Fort Collins, CO
Sat., 9/11/21
Black Squirrel Half Marathon
Run
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Lory State Park
Bellvue, CO
Sat., 9/11/21
Breckenridge Falling Leaves 7K Run
Run
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Breckenridge Recreation Center
Breckenridge, CO
Sat., 9/11/21
Breckenridge Oktoberfest 5K Trail Run
Run
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Breckenridge Recreation Center
Breckenridge, CO
Sat., 9/11/21
Dash 4 Hope 5K
Run
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Richter Orthodontics
Greeley, CO
Sun., 9/12/21
11:00 AM
Denver Superhero Heart Run
5K Run
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Littleton, CO
Mon., 9/13/21
Center of the Nation Series - Day 1 (CO)
Run
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Pioneer Park
Sterling, CO
Sat., 9/18/21
7:30 AM
All-Out Fallfest 1M, 5K, 10K, Half and Full Marathon
Marathon Run, Half Marathon Run, 10K Run, 5K Run
Church Ranch Office Park
Westminster, CO
Sun., 9/19/21
Spanish Peaks Half Marathon, Half Marathon Relay, and Fun Run
Run
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La Veta Town Park
La Veta, CO
Sat., 9/25/21
Breckenridge Oktoberfest 5K Trail Run
Run
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Breckenridge Recreation Center
Breckenridge, CO
Sat., 10/2/21
7:00 AM
Deep Creek Trail Half Marathon
Half Marathon Ultra/Trail
Telluride Airport
Telluride, CO
Sun., 10/3/21
Adult-Glow in the Dark Family Fun Run
Run
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Buchanan Park Recreation Center
Evergreen, CO
Sun., 10/3/21
Family-Glow in the Dark Family Fun Run
Run
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Buchanan Park Recreation Center
Evergreen, CO
Sun., 10/3/21
7:30 AM
Long View Marathon & Half
Marathon Run, Half Marathon Run
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Foote Lagoon Amphitheatre
Fort Collins, CO
Sun., 10/3/21
Long View Marathon & Half
Run
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Foote Lagoon Amphitheatre
Loveland, CO
Sat., 10/16/21
Blue Sky Marathon
Run
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Horsetooth Mountain Park
Fort Collins, CO
Sat., 10/16/21
7:00 AM
Blue Sky Marathon
Marathon (26.7 Mile) Run
Blue Sky Trailhead
Fort Collins, CO
Sat., 10/30/21
Panda Waddle 5k
Run
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Longs Family Park
Grand Junction, CO
Sun., 10/31/21
9:00 AM
All-Out Kooky-Spooky 1M, 5K, 10K & Half Marathon
Half Marathon Run, 10K Run, 5K Run, 1 Mile Run
North Area Athletic Complex
Golden, CO
Sun., 11/14/21
8:30 AM
Horsetooth Half Marathon
Half Marathon Run
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New Belgium Brewery
Fort Collins, CO
Fri., 12/31/21
6:00 PM
Resolution Run 5K
5K Run
Edora Pool Ice Center (EPIC)
Fort Collins, CO
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