Races in Colorado on Saturdays
Evergreen, CO
Golddigger 5K
Jul 29, 2023
Elk Meadow Trail Race
Jun 22, 2024
Evergreen Mountain 15K
Jul 13, 2024
Staunton State Park 20K
Aug 3, 2024
Bergen Peak Half Marathon
Sep 14, 2024
Longmont, CO
Paws in the Park
Oct 7, 2023
Sole Mates 5K
Nov 4, 2023
Longmont Turkey Trot
Nov 11, 2023
Main Street Fun Run
Dec 9, 2023
Girls on the Run 5K
May 11, 2024
Sunrise Stampede 5K
Aug 10, 2024
Longmont Kids Only Triathlon
Aug 24, 2024
Longmont Try-a-Tri
Aug 24, 2024
Colorado Brewery Running Series
Dec 7, 2024
Glenwood Springs, CO
Halloween Hustle for Charity 5K
Oct 28, 2023
Thornton, CO
Lucky Dog Dash
Mar 2, 2024
Unicorn 5K North
Jun 22, 2024
Pirates Run for Booty
Jul 27, 2024
Its Fall Yall 5K and K9 Canter 1M Fun Run
Oct 5, 2024
Winterfest 5K
Dec 14, 2024
Greeley, CO
Too Hot to Trot 5K
Jun 17, 2023
Run for Women to Women
Mar 23, 2024
Frontier Academy Community 5K
Aug 24, 2024
Superhero Event
Sep 21, 2024
Hayden, CO
Hayden Cog Run
May 4, 2024
Denver, CO
Barkin Dog Duathlon
Apr 22, 2023
D'Evelyn Dash
Aug 26, 2023
Festival For Life: AIDS Walk & Run Colorado
Aug 26, 2023
Blue Shoe Run for Prostate Cancer
Sep 9, 2023
Roadrunners 5K
Sep 30, 2023
Dare Great Things Cross Country Challenge
Oct 7, 2023
Grace Race 5K
Oct 7, 2023
Miles for Moms
Oct 7, 2023
UpStander 5K
Oct 7, 2023
Hell Week Fitness 5K by Orangetheory Colorado
Oct 28, 2023
Chilly Cheeks Duathlon
Feb 24, 2024
Cupid's Undie Run
Feb 24, 2024
Fight for Air Climb
Apr 27, 2024
Denver Colfax Marathon
May 19, 2024
May 18, 2024
Girls on the Run 5K
May 18, 2024
REVEL Rockies
Jun 1, 2024
Rockies 5K
Jun 1, 2024
Jodi's Race 5K
Jun 8, 2024
Miles for Melanoma
Jun 8, 2024
More Life 5K
Jun 15, 2024
Denver Pride 5K
Jun 22, 2024
Colorado Brewery Running Series
Jul 6, 2024
Cookie Chase 5K
Jul 13, 2024
Denver CF Climb
Jul 27, 2024
Impact Uganda 5K/10K
Aug 17, 2024
Miles for Migraine
Aug 17, 2024
Donot Stop
Aug 31, 2024
Sloan's Lake Search Party (SLSP)! Marathon Hourly Loop Race
Sep 7, 2024
Colorado Brewery Running Series
Sep 14, 2024
Denver 5K
Sep 14, 2024
Move Forward 5K & 10K
Sep 21, 2024
Liberty Energy 5K
Oct 19, 2024
Colorado Brewery Running Series
Oct 26, 2024
MonsterDash Run
Oct 26, 2024
City Park 5K
Nov 2, 2024
Colorado Brewery Running Series
Nov 2, 2024
Denver Veterans Day Run
Nov 9, 2024
Pumpkin Pie 5K/10K
Nov 16, 2024
Santa's Dash for Cash
Dec 21, 2024
Crested Butte, CO
Emma Coburn's Elk Run 5K
Sep 30, 2023
Grin and Bear It Trail Run
Jul 13, 2024
Grand Traverse Mountain Run
Aug 31, 2024
Crested Butte Ultra
Sep 28, 2024
Camp 4 Coffee Cart to Cart
Oct 5, 2024
Camp 4 Coffee Cart to Cart Trail Race
Oct 5, 2024
Colorado Springs, CO
Evit's Hope Half
Jun 10, 2023
INFERNO Men: 5K Fatherhood Fun Run & Walk
Jun 17, 2023
Tracy Vsetecka Memorial 5K
Jul 22, 2023
Sertoma HEARS 5K
Aug 5, 2023
Ruffin' Mudder
Sep 9, 2023
Cerus Arena
Oct 7, 2023
Trek the Trail 5K
Oct 21, 2023
Bear Run
Nov 4, 2023
Turkey Trot Predict
Nov 18, 2023
Chasing Santa 5K
Dec 2, 2023
Winter Series
Jan 13, 2024
Jan 27, 2024
Feb 17, 2024
Feb 24, 2024
Couple Shuffle
Feb 3, 2024
Time to Paddy 5K/10K and Lucky 13.1
Mar 2, 2024
5K for St. Patrick's Day
Mar 16, 2024
War Dog Memorial 5K
Mar 23, 2024
Nielson Two Mile Challenge
Mar 1, 2025
Apr 6, 2024
May 4, 2024
Jun 1, 2024
8 more
Rattler Trail Race
Apr 13, 2024
Tillman Honor Run
Apr 13, 2024
Alpine Autism Center Run for the One 5K
Apr 27, 2024
Cheyenne Mountain Trail Race
Apr 27, 2024
Bash the Bluffs 5K
May 4, 2024
Take 5 in the Garden
May 4, 2024
Girls on the Run 5K
May 11, 2024
Head and Neck Cancer A Hard Thing to Swallow 5K/10K
May 11, 2024
Valkyrie Trail Race
May 11, 2024
Women's Distance Festival
May 11, 2024
Ram Party
May 18, 2024
May 19, 2024
Run to the Shrine
May 18, 2024
May 19, 2024
Aiden's Adventure 5K
Jun 1, 2024
Rosie Run
Jun 8, 2024
Colorado Springs Spartan Trifecta
Jun 15, 2024
Jun 16, 2024
Springs Downhill Mile
Jun 15, 2024
Colorado Brewery Running Series
Jun 22, 2024
Race to the Polls
Jun 22, 2024
Ring the Springs
Jun 22, 2024
Jun 23, 2024
Firecracker 4 and 8 Mile
Jun 29, 2024
The Colorado Mud Run
Jun 29, 2024
Summer Sizzler
Jul 20, 2024
Pikes Peak Ultra
Jul 27, 2024
Rocky Mountain Run 5K
Jul 27, 2024
Hometown Half Marathon
Aug 10, 2024
Protect the Children 5K
Aug 24, 2024
Donot Stop
Aug 31, 2024
Colorado Springs Marathon
Sep 28, 2024
Bobcat Trail Race
Oct 19, 2024
Turkey Trails
Nov 2, 2024
Colorado Cold Rush
Nov 30, 2024
Candy Cane Course
Dec 21, 2024
Stories Trail Runs
Feb 15, 2025
Feb 16, 2025
Silverton, CO
Silverton Alpine Marathon & 50K
Jul 6, 2024
Lake City, CO
San Juan Solstice 50 Mile
Jun 22, 2024
Aurora, CO
Smoky Hill Community 5K
Aug 19, 2023
Aurora Polar Plunge and 5K
Apr 6, 2024
The Hero's Journey 5K
Jul 20, 2024
Run for the Ring 5K
Aug 3, 2024
WW Clyde Family Sports Day
Aug 10, 2024
RexRun For PAWSitivity 5K Trail Run/Walk
Sep 7, 2024
SheSprints
Sep 7, 2024
OCA Panda Run
Sep 21, 2024
Colorado Brewery Running Series
Oct 12, 2024
Durango, CO
Lake Nighthorse Triathlon
Sep 9, 2023
Mountain Marmot Trail Run
Sep 23, 2023
Durango Fall Classic
Oct 7, 2023
Uncle Clyde's Run & Slide
Feb 10, 2024
Southwest CO FCA 5K
Apr 20, 2024
Steamworks Half Marathon
Jun 8, 2024
Kennebec Mountain Run
Aug 3, 2024
Thirsty 13 Half Marathon
Aug 24, 2024
Valkyrie Multisport Relay
Sep 14, 2024
Idaho Springs, CO
Halloween Fun Run
Oct 28, 2023
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Fruita, CO
Sweet Heart 5K/10K
Feb 10, 2024
Desert RATS Trail Running Festival
Apr 13, 2024
Apr 14, 2024
Apr 12, 2024
Girls on the Run 5K
May 4, 2024
Mike the Headless Chicken 5K
Jun 1, 2024
Mesa County Search and Rescue 5K
Sep 28, 2024
Kessel Run Ultra
Nov 9, 2024
Grand Junction, CO
FAMpoint5K
Oct 7, 2023
Santa Cause Run
Dec 9, 2023
Mav Days 5K Run/Walk
Apr 6, 2024
Spirit of the Valley 5K
Sep 14, 2024
Woodland Park, CO
Above the Clouds Ultra
Oct 5, 2024
Georgetown, CO
Slacker Half Marathon
Jun 22, 2024
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Colorado Brewery Running Series
Sep 28, 2024
Steamboat Springs, CO
Girls on the Run 5K
Nov 4, 2023
Luck of the Irish 7K
Mar 16, 2024
Spirit Challenge
May 18, 2024
Howelsen Hill Trail Run
Jun 15, 2024
Spring Creek Memorial Trail Run
Jul 20, 2024
Continental Divide Trail Run
Aug 24, 2024
Run Rabbit Run
Sep 14, 2024
Sep 13, 2024
Emerald Mountain Trail Run
Sep 28, 2024
Foundry Halloween 5K
Oct 26, 2024
Centennial, CO
Pancakes for PDCD 5K/10K
Jul 29, 2023
Hoofin' It Through the Hollows 5K
Oct 21, 2023
High Line Canal Run
May 11, 2024
Arapahoe Warrior 5K
Aug 3, 2024
Buena Vista, CO
Most Eggcellent 10K, 5K
Mar 30, 2024
Collegiate Peaks Trail Run
May 4, 2024
Endura Mamas 5K and Family Fun Run
May 11, 2024
Billy Cordova Memorial Park 5K
Jun 15, 2024
Trail Sisters Women's Half Marathon
Sep 14, 2024
Autumn Run
Sep 21, 2024
West Line Winder
Sep 28, 2024
Hallowiener 5K
Oct 26, 2024
Ugly Sweater 1 Miler
Dec 7, 2024
Parker, CO
Love 'em Or Leave 'em Valentine's Day 5K/10K
Feb 10, 2024
Cattle Crossing 5K
Jun 15, 2024
Kids' TRY-athlon
Jul 13, 2024
So Long to Summer 5K
Sep 21, 2024
Westminster, CO
Reach For Recovery 5K
Jun 3, 2023
The Day Quest - Fast Mile
Nov 18, 2023
Time Travel Half Marathon
Apr 20, 2024
Colorado Brewery Running Series
May 4, 2024
All-Out Dog Days
Jul 13, 2024
Holy Cow Trail Stampede
Aug 10, 2024
Jog in the Bog 5K
Aug 24, 2024
Westminster Trail Race
Aug 24, 2024
All-Out Fall Fest
Sep 14, 2024
Prairie Dog Half and 10K/5K
Sep 28, 2024
Big Waves Family 5K
Oct 5, 2024
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Spooky Sprint - Denver
Oct 5, 2024
All-Out Fa La La
Dec 7, 2024
Six Pack Series Winter Westminster 1 Mile and 5K
Jan 4, 2025
Six Pack Series Winter Westminster 2 Mile and 5K
Jan 11, 2025
Six Pack Series Winter Westminster 5K
Jan 25, 2025
Six Pack Series Winter Westminster 4 Mile and 5K
Feb 1, 2025
Six Pack Series Winter Westminster 5 Mile and 5K
Feb 8, 2025
Six Pack Series Winter Westminster 5K and 10K
Feb 22, 2025
Erin Go Braugh 7.77K
Mar 15, 2025
All-Out Beat the Heat
Apr 19, 2025
Winter Park, CO
Winter Wonderland 5K
Feb 3, 2024
Alpenglow Bounce 5K
Mar 9, 2024
Byers Peak Stampede
Aug 24, 2024
Elevation Everest - The Half Everest
Sep 28, 2024
Englewood, CO
Denver Athletics All Comers Spring Track Series
May 27, 2023
Front Range Classic
May 25, 2024
Centennial Airport Runway 5K
Jun 1, 2024
Colorado Brewery Running Series
Jun 1, 2024
Jeremy Bitner Fallen Officer 5K/10K Run
Jun 29, 2024
Manitou Springs, CO
Pikes Peak Ascent and Marathon
Sep 22, 2024 - Marathon
Sep 21, 2024 - Ascent
Mustang 5K
Oct 5, 2024
Erie, CO
Eerie Erie
Oct 28, 2023
Pueblo, CO
Zebra Zoom at the Zoo
Jul 29, 2023
Lions Roar for Fitness 5K/2.5K Challenge
Oct 7, 2023
Harvest Fest
Oct 14, 2023
Valentine Twosome Relay or Run
Feb 10, 2024
Pueblo Levee 5K
Jun 8, 2024
Louisville, CO
Coyote Chase 5K
Aug 19, 2023
Louisville Trail Race
Sep 28, 2024
The Pretzel Run Colorado
Oct 12, 2024
Santa Claus Runs
Dec 14, 2024
Lyons, CO
Lucky Lyons
Mar 9, 2024
Castle Rock, CO
ShamROCK Stampede
Mar 16, 2024
Eggstravaganza Challenge 5K
Mar 30, 2024
Rock Hawk Trail Races
Apr 27, 2024
Memorial Day Run & March
May 18, 2024
Climb 4 Change
Jun 8, 2024
Prairie Dog Half and 10K - Castle Rock
Jul 20, 2024
Reece's Roundup
Aug 3, 2024
Castle Rock Trail Festival
Oct 5, 2024
Loveland, CO
Sweetheart Classic
Feb 10, 2024
Run the Ranch
Apr 5, 2024
Apr 6, 2024
Earth Day 5K/10K
Apr 20, 2024
NOCO Half Marathon & 10K
Apr 27, 2024
New Vision 5K
May 4, 2024
Run For The Trees
May 4, 2024
Run for the Trees - BSBF 2 Mile Run
May 4, 2024
Running for Hope
Jun 15, 2024
Sierra's Race 5K
Jun 15, 2024
Loveland Lake to Lake Triathlon
Jun 22, 2024
NoCo All-Comers Track Meet Series #2
Jun 29, 2024
NoCo All-Comers Track Meet Series #3
Jul 20, 2024
Valley 5000
Aug 17, 2024
Long View Marathon
Oct 12, 2024
Bell Ringer 4 Miler
Nov 9, 2024
Toy Drop
Dec 7, 2024
Nederland, CO
Ned Ned Run
Sep 9, 2023
Broomfield, CO
Jag Jog 5K
Sep 14, 2024
Miner Gold Rush
Sep 28, 2024
Runway 5K Run for the Angels
Sep 28, 2024
Vail, CO
Krueger Family Shamrock Shuffle
Mar 16, 2024
Vail HillClimb
Jul 6, 2024
Vail Recreation District 5K & 10K @ 10,000 Feet
Jul 20, 2024
Berry Picker Trail Run
Aug 3, 2024
Dynafit Half Marathon
Aug 17, 2024
Aspen, CO
Aspen Backcountry Marathon
Aug 5, 2023
America's Uphill
Mar 16, 2024
Aspen parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
Aspen Valley Marathon
Jul 13, 2024
Power of Four Trail Run
Jul 20, 2024
Golden Leaf Half Marathon
Sep 28, 2024
Highlands Ranch, CO
Q Man Classic
Aug 12, 2023
ThunderRidge Grizzly 2 Mile
Aug 19, 2023
HRCA St. Patrick's Day 5K
Mar 23, 2024
HRCA Mother's Day 5K
May 11, 2024
Mountain Ridge Trail Race
Jun 1, 2024
Half K For Hope
Jul 27, 2024
Unicorn 5K South
Aug 3, 2024
HRCA Backcountry Wilderness Half Marathon
Nov 2, 2024
Littleton, CO
Lookin For A Cure Denver
Sep 23, 2023
Get Your Rear in Gear - Denver Metro
Oct 7, 2023
Colorado Friends of First Responders
May 11, 2024
Colorado Friends of First Responders Annual Run
May 11, 2024
Unicorn 5K
Jun 8, 2024
The 80s Run
Jun 22, 2024
Before The Fourth 5K
Jun 29, 2024
Heritage Eagles 5K
Jul 20, 2024
Respect Life 5K
Jul 20, 2024
HRCA Splash Mash Dash Kids Triathlon
Aug 3, 2024
Colorado 6 Dot Dash
Aug 24, 2024
HRCA Oktoberfest 5K
Sep 14, 2024
Miles 4 Madison 5K
Sep 21, 2024
HRCA Wildcat Mountain Trail Races
Sep 28, 2024
Frisco, CO
Girls on the Run 5K
Nov 11, 2023
Run the Rockies Trail Race
Aug 10, 2024
Run the Rockies Half Marathon
Sep 21, 2024
Arvada, CO
Lisa Nelson's Mustang Stampede
Sep 16, 2023
Forge 5K
Sep 30, 2023
Hope House 5K & Fun Run
May 4, 2024
CMRA Tucker Lake 6.5 Mile
May 11, 2024
All-Out Summer Breeze
Jun 8, 2024
All-Out Runapalooza
Aug 3, 2024
Colorado Brewery Running Series
Aug 10, 2024
Apex Foundation Trick or Trot 5K
Oct 26, 2024
10K Turkey Trek & 5K Turkey Trot
Nov 23, 2024
Colorado Brewery Running Series
Nov 30, 2024
All-Out Polar Prowl
Jan 11, 2025
Heart Throb 5K
Feb 15, 2025
All-Out Mardi Crawl
Feb 22, 2025
Ouray, CO
Mt. Sneffels Half Marathon & 10K
Aug 17, 2024
Imogene Pass Run
Sep 7, 2024
Ouray Mountain Trail Run
Sep 21, 2024
Estes Park, CO
Duck Waddle 5K
May 4, 2024
Estes Park Marathon
Jun 16, 2024
Jun 15, 2024
Longs Peak 5 Miler
Jun 15, 2024
Rocky Mountain Half Marathon
Aug 2, 2024
Aug 3, 2024
Rut Run 5K
Sep 28, 2024
Boulder, CO
Mile High Mile
Jul 29, 2023
Transperfect Victory Lap 5K
Aug 19, 2023
Boulder XC Series Meet 1
Oct 14, 2023
Boulder XC Series Meet 2
Oct 28, 2023
Colleen De Reuck XC Classic
Nov 11, 2023
BRR Masters Invite Indoor Mile
Jan 13, 2024
The Day Quest - Flatirons Vista to Spring Brook
Mar 23, 2024
Boulder Rez Half
Apr 13, 2024
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
The Diabetes Link at CU 5K Run/Walk
Apr 13, 2024
Colorado Triathlon
Jun 1, 2024
Ironman 70.3 Boulder
Jun 8, 2024
Tri Boulder
Jul 20, 2024
Boulder Rez Marathon
Aug 3, 2024
Pearl Street Mile
Aug 3, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulder Sunset Triathlon
Aug 24, 2024
Harvest Moon Long Course Triathlon
Sep 7, 2024
ColderBOLDER
Dec 7, 2024
Copper Mountain, CO
Bacon Burner 5K
Jun 17, 2023
Summit Up Trail Run
Sep 9, 2023
Leadville, CO
Leadville Turquoise Lake 20K
Jun 1, 2024
Leadville Trail Marathon & Heavy Half
Jun 29, 2024
Leadville Silver Rush 50M Trail Run Race
Jul 6, 2024
Leadville Trail 100 Mile Run
Aug 17, 2024
Brighton, CO
Raptor Run
Apr 6, 2024
Five Star Fun Run and 5K
Apr 20, 2024
Runs With Scissors Races
Apr 27, 2024
Adams County Foster Care 5K
May 4, 2024
I Can 5K with Deja Vu 10K
Jul 13, 2024
Gummball 5K
Oct 19, 2024
Breckenridge, CO
Breckenridge Road Marathon
Oct 12, 2024
Lafayette, CO
Feeding the 5K/5K
May 20, 2023
Waneka Classic
Sep 9, 2023
Colorado Brewery Running Series
May 18, 2024
Fairplay, CO
South Park Trail Marathon
Jun 3, 2023
Silverheels Trail Runs
Jul 12, 2024
Jul 13, 2024
Sheep Mountain Trail Runs
Aug 3, 2024
Lone Tree, CO
For a City 5K
Sep 16, 2023
Freedom 4 Miler
Jun 29, 2024
South Suburban Youth & Adult Beginner TRYathlon
Jul 27, 2024
Morrison, CO
Great Trailhead Foot Race
Oct 19, 2024
Pagosa Springs, CO
What'Sup Tri
Aug 19, 2023
Mountain Chile Cha Cha Trail Races
Sep 23, 2023
Halloween Hootenanny Monster Dash 5K
Oct 28, 2023
Ugly Sweaty Sweater 5K
Dec 16, 2023
Habitat Archuleta's 15 Homes in 5K
May 18, 2024
Pagosa Duathlon
Jul 6, 2024
Fox on the Run Trail Races
Jul 20, 2024
Turkey Springs Showdown Trail Races
Aug 10, 2024
Alberta Peak Challenge
Sep 7, 2024
Snowmass Village, CO
Colorado Brewery Running Series
Jun 14, 2024
Jun 15, 2024
Trinidad, CO
Huff and Puff 5K
Apr 20, 2024
Fishers Peak State Park Trail Race
Sep 14, 2024
The Rad Dirt Fest
Sep 28, 2024
Dead Man 5K Trail Run
Oct 5, 2024
Allenspark, CO
Run Like the Wind
Aug 31, 2024
Basalt, CO
Basalt Half Marathon
Jun 1, 2024
Wheat Ridge, CO
Feed Your Soul Fund Turkey Trot
Nov 18, 2023
Colorado Brewery Running Series
Aug 17, 2024
Palisade, CO
Just Peachy 5K
Aug 19, 2023
Telluride, CO
Box Canyon Trail Races
Jul 20, 2024
Imogene Pass Run
Sep 7, 2024
Deep Creek Trail Half Marathon
Sep 28, 2024
Pine, CO
Suffer Better Fall Trail Run
Oct 14, 2023
Running Up For Air - Staunton Rocks
Feb 24, 2024
Feb 25, 2024
North Fork 50M/50K
Jun 1, 2024
Staunton Rocks! Marathon & Half
Aug 24, 2024
Sawmill Trail Runs
Dec 7, 2024
Windsor, CO
Windsor Wiesn Mile and 5 Mile
Sep 23, 2023
Lucky Brew Race
Mar 16, 2024
Red, White and Brew 5K, 10K & Half Marathon
Jun 22, 2024
Santa Catch 5K & 10K
Dec 14, 2024
Greenwood Village, CO
Selian 5K
Sep 16, 2023
Salida, CO
Spiral Drive Run
Apr 20, 2024
Tails on the Trail
May 18, 2024
Run Through Time Marathon
Mar 8, 2025
Lakewood, CO
Bark & Brew 5K
Sep 9, 2023
Ram Run 5K
Mar 30, 2024
Federal Cup 5K
May 4, 2024
GiGi's 5K
May 4, 2024
Littlefoot Triathlon
Sep 7, 2024
Bear Chase Race - Half Marathon & 10K
Sep 29, 2024
Sep 28, 2024
Montrose, CO
Black Canyon Triathlon
Sep 28, 2024
Canon City, CO
Tunnel Vision Duathlon
Oct 14, 2023
Royal Gorge Groove
Apr 20, 2024
Walk for Life/5K
Apr 20, 2024
runBlossom 5K
May 4, 2024
Royal Gorge Whitewater Festival Trail Runs
Jul 27, 2024
Bridge Burner Ultra
Nov 2, 2024
Carbondale, CO
Tri for the Sun
Jun 10, 2023
Commerce City, CO
Night Nation Run - Denver
Sep 28, 2024
Conifer, CO
Elevation Run/Walk
Jul 27, 2024
Eagle, CO
Jingle Jog 5K
Dec 2, 2023
Boneyard Boogie
May 18, 2024
LG Tri: Splash/Grind/Sprint
Jul 13, 2024
Never Summer Adventure Race
Jul 13, 2024
Beaver Creek, CO
Summer Solstice
Jun 22, 2024
Monument, CO
Run4Hope 5K for Schools
Sep 21, 2024
Keystone, CO
Cirque Series - Arapahoe Basin
Sep 7, 2024
Johnstown, CO
Johnstown BBQ Day 5K
Jun 1, 2024
Fort Lupton, CO
WineRun Denver at Salt and Acres
Jun 15, 2024
Empire, CO
Devil on the Divide
Sep 7, 2024
Firestone, CO
Carbon Valley Half Marathon
May 11, 2024
Dumont, CO
Canine On the Creek
May 18, 2024
Northglenn, CO
Colorado Brewery Running Series
May 11, 2024
Beulah, CO
Beulah Challenge
Sep 21, 2024
Rifle, CO
Strut for Mutts
Apr 20, 2024
Byers, CO
BINGO! Trail Runs
Nov 9, 2024
Larkspur, CO
Greenland Trail Races
May 4, 2024
Pueblo West, CO
Baylon Michael Meyer 5K/10K Memorial Run
Apr 6, 2024
Mancos, CO
Mancos Cowboy Half Marathon
Oct 14, 2023
Minturn, CO
Meadowgold Trail Run
Sep 14, 2024
Keenesburg, CO
Into The Wild Running Festival
Jun 8, 2024
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 2024
Rye, CO
Escape 5K Trail Run
Aug 17, 2024
Alamosa, CO
Stephanie L. Miner 5K Walk and Run
Sep 16, 2023
Alamosa Veterans Memorial Park Race
Nov 4, 2023
Rio Frio 5K on Ice
Jan 27, 2024
Valley Bottom Rio Trio
May 25, 2024
Splashland Triathlon
Sep 7, 2024
Manassa, CO
Manassa Pioneer Days 5K
Jul 22, 2023
Fort Collins, CO
Be a Hero 5K
Aug 19, 2023
CSU Homecoming 5K
Oct 14, 2023
Mustang Music 5K
Oct 14, 2023
Run Fur Fun 5K
Oct 28, 2023
Turkey Donut Predict Run
Nov 18, 2023
Sweaty Sweater 5K
Dec 9, 2023
Polar 5K & Polar Bear Plunge
Jan 20, 2024
Sharin' O' the Green 5K
Mar 16, 2024
CSU International Run for Relief 5K
Mar 23, 2024
Healthy Kids Running Series
Apr 27, 2024
May 4, 2024
May 18, 2024
Apr 20, 2024
1 more
Quad Rock 50
May 11, 2024
Fire Hydrant 5K
Jun 1, 2024
StepUp For Women and Recovery
Jun 1, 2024
XTERRA Lory Triathlon
Jun 15, 2024
Colorado Brewery Running Series
Jul 13, 2024
Human Race
Aug 10, 2024
Long View Marathon
Oct 12, 2024
Blue Sky Trail Marathon
Oct 19, 2024
Colorado 24 Hour Run
Nov 2, 2024
New Castle, CO
Pyro's Push It Up Trail Run
Aug 10, 2024
Deckers, CO
Battle by the Brook
Sep 21, 2024
Frederick, CO
Miner's Day 5K
Sep 16, 2023
Cerus DryTri
Mar 2, 2024
Crawford, CO
West Elk Challenge Trail Marathon
Oct 5, 2024
Four Corners Monument, CO
Four Corners Quad Keyah
Dec 7, 2024
Ignacio, CO
St. Ignatius 5K Run
Jul 29, 2023
Craig, CO
Flying Colors 5K
Aug 3, 2024
La Salle, CO
Cerus Fitness Festival
Sep 14, 2024
Kremmling, CO
Mustang Mile
Jun 17, 2023
Grand Mesa, CO
Grand Mesa Ultras
Jul 27, 2024
Delta, CO
Pea Green Pedal and 5K
Jun 22, 2024
Red Feather Lakes, CO
Lederhosen Run
Sep 23, 2023
Onesie Dash
Dec 2, 2023
5K Fun Run of Red Feather Lakes
Jul 6, 2024
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Severance, CO
Howl-O-Ween 5K
Oct 21, 2023
Great Western Trail Race
Apr 20, 2024
Severance Days 5K
Aug 24, 2024
Antonito, CO
Sheep Creek Triathlon
Jul 6, 2024
Parachute, CO
5k Buck Fever Fun Run
Oct 21, 2023
Cheyenne Mountain State Park, CO
The Cheyenne Mountain Run
Aug 17, 2024
Ovid, CO
Ovid Days Color Run
Jun 8, 2024
Hahns Peak Village, CO
Hahns Peak Vertical Trail Race
Jul 6, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
1. Barkin Dog Duathlon
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Past DateApr 22, 2023Saturday
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sprint, supersprint duathlon
More Information
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Denver, CO
Denver County, CO
2. Feeding the 5K/5K
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Past DateMay 20, 2023Saturday
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5K trail run
More Information
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Lafayette, CO
Boulder County, CO
3. Denver Athletics All Comers Spring Track Series
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Past DateMay 27, 2023Saturday
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track meet
More Information
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Englewood, CO
Arapahoe County, CO
4. Reach For Recovery 5K
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Past DateJun 3, 2023Saturday
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5K run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
5. South Park Trail Marathon
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Past DateJun 3, 2023Saturday
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26.2M, 13.1M run
More Information
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Fairplay, CO
Park County, CO
6. Evit's Hope Half
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Past DateJun 10, 2023Saturday
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13.1M, 5K, 1M trail run
Virtual OptionMore Information
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Colorado Springs, CO
El Paso County, CO
7. Spanish Peaks 5/10K
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Past DateJun 10, 2023Saturday
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10K, 5K run
More Information
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La Veta, CO
Huerfano County, CO
8. Tri for the Sun
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Past DateJun 10, 2023Saturday
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sprint triathlon
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Carbondale, CO
Garfield County, CO
9. Bacon Burner 5K
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Past DateJun 17, 2023Saturday
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5K run
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Copper Mountain, CO
Summit County, CO
10. INFERNO Men: 5K Fatherhood Fun Run & Walk
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Past DateJun 17, 2023Saturday
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5K run
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Colorado Springs, CO
El Paso County, CO
11. Mustang Mile
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Past DateJun 17, 2023Saturday
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1M run
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Kremmling, CO
Grand County, CO
12. Too Hot to Trot 5K
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Past DateJun 17, 2023Saturday
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5K run
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Greeley, CO
Weld County, CO
13. Storm the Castle
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CancelledJul 15, 2023Saturday
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13.1M trail run
Virtual OptionMore Information
- Guffey, CO
14. Manassa Pioneer Days 5K
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Past DateJul 22, 2023Saturday
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5K run
More Information
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Manassa, CO
Conejos County, CO
15. Tracy Vsetecka Memorial 5K
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Past DateJul 22, 2023Saturday
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5K run
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Colorado Springs, CO
El Paso County, CO
16. Golddigger 5K
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Past DateJul 29, 2023Saturday
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5K run
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Evergreen, CO
Jefferson County, CO
17. Mile High Mile
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Past DateJul 29, 2023Saturday
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1M run
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Boulder, CO
Boulder County, CO
18. Pancakes for PDCD 5K/10K
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Past DateJul 29, 2023Saturday
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10K, 5K run
Virtual OptionMore Information
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Centennial, CO
Arapahoe County, CO
19. St. Ignatius 5K Run
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Past DateJul 29, 2023Saturday
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5K run
More Information
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Ignacio, CO
La Plata County, CO
20. Washington County Cattlewomen 5K Poker Run
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Past DateJul 29, 2023Saturday
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5K run
More Information
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Akron, CO
Washington County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.