August Races within 500 miles of Boulder, CO
Liberty, UT
Skyline Mountain Marathon
Aug 12, 2023
Logan, UT
Three Dams 10 Miler
Aug 10, 2024
Longmont, CO
Sunrise Stampede 5K
Aug 10, 2024
Outdoor Divas Sprint Triathlon
Aug 18, 2024
Longmont Kids Only Triathlon
Aug 24, 2024
Longmont Try-a-Tri
Aug 24, 2024
Lubbock, TX
Hot Dam Run
Aug 10, 2024
Wichita, KS
First Responders 5K
Aug 5, 2023
Exploration Place parkrun
Jan 4, 2025
Jan 11, 2025
Jan 18, 2025
Jan 25, 2025
48 more
Flagstaff, AZ
Machine Solutions Run
Aug 3, 2024
Dave McKay Memorial Half Marathon
Aug 10, 2024
Mountain Man Triathlon August
Aug 11, 2024
Groovin in the Aspens
Aug 25, 2024
Alta, UT
Cirque Series
Aug 17, 2024
Ruidoso, NM
Ruidoso Grindstone Trail Runs
Aug 24, 2024
Denver, CO
Denver Twilight 5000 (Race 2)
Aug 10, 2023
Race for Research 5K
Aug 20, 2023
D'Evelyn Dash
Aug 26, 2023
Festival For Life: AIDS Walk & Run Colorado
Aug 26, 2023
PH in the Park
Aug 27, 2023
Impact Uganda 5K/10K
Aug 17, 2024
Donot Stop
Aug 31, 2024
Lincoln, NE
ThunderBOLT Fun Run
Aug 5, 2023
CHI Health-y Fun Run
Aug 26, 2023
TurtleLiz JenMonkey Friendship Run
Aug 26, 2023
Tunnel to Towers 5K
Aug 17, 2024
Gravel Worlds Land Ho Run
Aug 23, 2024
Salem, UT
Salem Days Fun Run
Aug 12, 2023
Crested Butte, CO
Grand Traverse Mountain Run
Aug 31, 2024
Colorado Springs, CO
Sertoma HEARS 5K
Aug 5, 2023
Nielson Two Mile Challenge
Mar 1, 2025
Apr 6, 2024
May 4, 2024
Jun 1, 2024
8 more
Hometown Half Marathon
Aug 10, 2024
Protect the Children 5K
Aug 24, 2024
Donot Stop
Aug 31, 2024
Goddard, KS
Summer Biathlon
Aug 6, 2023
Salt Lake City, UT
Launch Team 5K/10K
Aug 6, 2023
Gift of Life Walk/Run
Aug 3, 2024
Aurora, CO
Smoky Hill Community 5K
Aug 19, 2023
Run for the Ring 5K
Aug 3, 2024
WW Clyde Family Sports Day
Aug 10, 2024
Hutchinson, KS
Salty Dog and Salty Pup Triathlons
Aug 3, 2024
Idaho Springs, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Park City, UT
Park City Trail Series
Jun 1, 2024
Jul 13, 2024
Aug 3, 2024
Triple Trail Challenge
Jun 8, 2024 - Round Valley Rambler Half/7K
Jul 20, 2024 - Jupiter Peak 25K
Aug 17, 2024 - Mid Mountain 50K
Park City Half Marathon
Aug 24, 2024
Georgetown, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Spearfish, SD
Iron Creek Triathlon and Trail Runs
Aug 19, 2023
Leading Ladies & Dakota Spirit Marathon
Aug 18, 2024
Steamboat Springs, CO
Wild West Relay
Aug 2, 2024
Emerald Mountain Epic
Aug 4, 2024
Stagecoach Gravel Triathlon
Aug 4, 2024
Continental Divide Trail Run
Aug 24, 2024
Springville, UT
Kat'cina Mosa 100K Mountain Run
Aug 3, 2024
Centennial, CO
NoSo November 5K Walk/Run
Aug 13, 2023
RMRR Trophy Series - August
Aug 2, 2024
Arapahoe Warrior 5K
Aug 3, 2024
Buena Vista, CO
TransRockies Run
Aug 12, 2024
Westminster, CO
Jog in the Bog 5K
Aug 19, 2023
Holy Cow Trail Stampede
Aug 10, 2024
Eye Love Logan and Zoe 5K
Aug 11, 2024
Hometown Half Marathon
Aug 11, 2024
Westminster Trail Race
Aug 24, 2024
Winter Park, CO
Byers Peak Stampede
Aug 24, 2024
Englewood, CO
Denver Twilight Series: The Finale
Aug 9, 2024
Papillion, NE
Last Try at Summer Kids Triathlon
Aug 10, 2024
Boxer 500 - A Short Run to Fight Colon Cancer
Aug 18, 2024
Erie, CO
Erie Half & 5K
Aug 18, 2024
Berthoud, CO
Berthoud Family Fun Run
Aug 19, 2023
Louisville, CO
Coyote Chase 5K
Aug 19, 2023
Albuquerque, NM
Rio Grande Half Marathon
Aug 11, 2024
RUDI RUN 5K
Aug 17, 2024
Castle Rock, CO
Reece's Roundup
Aug 3, 2024
Bozeman, MT
Sweet Pea Run
Aug 3, 2024
Ed Anacker Bridger Ridge Run
Aug 10, 2024
The BOAR
Aug 17, 2024
Shiprock, NM
Shiprock Triathlon Festival
Aug 26, 2023
Loveland, CO
Valley 5000
Aug 17, 2024
Marquette, KS
Rodeo Run
Aug 5, 2023
Alpine, UT
Alpine Days 5K
Aug 12, 2023
Hot Springs, SD
Southern Hills Triathlon
Aug 31, 2024
McCook Lake, SD
Siouxland Community Health 5K
Aug 5, 2023
Casper, WY
307 Bison Stampede
Aug 10, 2024
Lehi, UT
Dino Dash 5K
Aug 5, 2023
Bountiful, UT
Elephant Rock Trail Run
Aug 10, 2024
Aspen, CO
Aspen Backcountry Marathon
Aug 5, 2023
Aspen parkrun
Mar 22, 2025
Mar 29, 2025
Apr 6, 2024
Apr 13, 2024
48 more
Highlands Ranch, CO
Q Man Classic
Aug 12, 2023
ThunderRidge Grizzly 2 Mile
Aug 19, 2023
Unicorn 5K South
Aug 3, 2024
Omaha, NE
BeSomething 5K
Aug 6, 2023
Parish 2 Parish Relay
Aug 12, 2023
TeamUp for TeamMates 5K
Aug 19, 2023
Heartland Pride Fun Run
Aug 26, 2023
Lake Wehrspann Run
Aug 4, 2024
Dundee Dash
Aug 24, 2024
Nebraska Epilepsy Run, Walk and Roll
Aug 24, 2024
Littleton, CO
Cover Me 5K
Aug 27, 2023
HRCA Splash Mash Dash Kids Triathlon
Aug 3, 2024
Pancake Stampede 5K
Aug 11, 2024
Colorado 6 Dot Dash
Aug 24, 2024
Frisco, CO
Run the Rockies Trail Race
Aug 10, 2024
Vernal, UT
Mountain Madness
Aug 10, 2024
Green River, WY
Run With the Horses Marathon
Aug 17, 2024
South Jordan, UT
Warriors 4 Warriors 5K
Aug 10, 2024
Daybreak Triathlon
Aug 17, 2024
West Yellowstone, MT
Yellowstone Trail Race
Aug 3, 2024
Aug 4, 2023
Salina, KS
Run for the Hills
Aug 10, 2024
Rapid City, SD
Gut Check
Aug 12, 2023
Billings, MT
Beat the Heat
Aug 5, 2023
Montana Warrior Run
Aug 12, 2023
REVENANT
Aug 12, 2023
Champion Adventure Race
Aug 26, 2023
Lexy's Color Run
Aug 3, 2024
Race for the Minds
Aug 11, 2024
Run For Her
Aug 17, 2024
Abilene, KS
Cowboy UP 5K
Aug 12, 2023
Idaho Falls, ID
Great Snake River Triathlon
Aug 12, 2023
Snake River Animal Shelter's Mutt Strut
Aug 19, 2023
Farm Life 5K Trail Run
Aug 3, 2024
The Endgame Run
Aug 3, 2024
Dash For Down Syndrome
Aug 24, 2024
Estes Park, CO
Rocky Mountain Half Marathon
Aug 2, 2024
Aug 3, 2024
Boulder, CO
Transperfect Victory Lap 5K
Aug 19, 2023
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 6, 2024
Apr 13, 2024
48 more
Boulder Stroke & Stride Series
May 30, 2024
Jun 5, 2024
Jun 13, 2024
Jun 20, 2024
5 more
BRR All Comers Summer Track and Field Series
Jun 6, 2024
Jun 20, 2024
Jul 18, 2024
Aug 1, 2024
Boulder Rez Marathon
Aug 3, 2024
Pearl Street Mile
Aug 3, 2024
Rocky Mountain Tri Fest
Aug 11, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulder Sunset Triathlon
Aug 24, 2024
Pocatello, ID
Pocatello Marathon
Aug 31, 2024
Fairplay, CO
Sheep Mountain Trail Runs
Aug 3, 2024
Lone Tree, CO
Bluffs 8K Trail Run
Aug 27, 2023
Pagosa Springs, CO
What'Sup Tri
Aug 19, 2023
Turkey Springs Showdown Trail Races
Aug 10, 2024
Wendover, UT
Dusk to Dawn Relay Race
Aug 30, 2024
Allenspark, CO
Run Like the Wind
Aug 31, 2024
Ridgway, CO
Ridgway Log Hill Hustle 5K/10K
Aug 25, 2024
Wheat Ridge, CO
Colorado Brewery Running Series
Aug 17, 2024
Gunnison, CO
Gunni Hi Tri
Aug 24, 2024
Palisade, CO
Just Peachy 5K
Aug 19, 2023
Eldorado Springs, CO
Eldorado Springs Run for the Cure
Aug 15, 2024
Winfield, KS
Mullet Run
Aug 24, 2024
Grand Island, NE
Nebraska State Fair Marathon
Aug 24, 2024
Hastings, NE
Kool-Aid Days 5K
Aug 18, 2024
Mapleton, UT
Hobble Creek Half Marathon
Aug 3, 2024
Oraibi, AZ
HOPI 10K
Aug 12, 2023
Buffalo, WY
Buffalo Zombie Run
Aug 15, 2023
Herriman, UT
Butterfield Canyon Half Marathon
Aug 17, 2024
Taos Ski Valley, NM
Taos Ski Valley Up and Over Trail Run
Aug 3, 2024
North Platte, NE
Whitaker's Way
Aug 3, 2024
Providence, UT
Top of Utah Half Marathon
Aug 24, 2024
Sandy, UT
Digger Open 5K
Aug 26, 2023
Brian Head, UT
Cedar Breaks at Night
Aug 25, 2023
Gillette, WY
Pronghorn Backyard
Aug 3, 2024
Yankton, SD
Yankton's Best Tri
Aug 24, 2024
Pierre, SD
Riverman Triathlon
Aug 17, 2024
Kanab, UT
Desert Rose Triathlon
Aug 10, 2024
Powell, WY
Sugar Beet Classic
Aug 24, 2024
Bellwood, NE
Bellwood Daze River Run
Aug 5, 2023
Creede, CO
Creede Mountain Run
Aug 31, 2024
Mulvane, KS
Mulvane Old Settlers Road Race
Aug 26, 2023
Prague, NE
Run To Rescue
Aug 10, 2024
Farr West, UT
Shannon STRONG 5K
Aug 5, 2023
Santa Rosa, NM
City of Lakes Triathlon
Aug 10, 2024
Milford, NE
Milford Fun Run
Aug 19, 2023
Elmwood, NE
Elmwood Rescue Fall 5K
Aug 26, 2023
Island Park, ID
Harriman Park 25K/50K
Aug 17, 2024
Palmyra, NE
Nebraska Brewery Running Series
Aug 31, 2024
Crow Agency, MT
Teepee Creeper Run 5K
Aug 19, 2023
Fruit Heights, UT
Crazy Bob's Bair Gutsman
Aug 3, 2024
Cloudcroft, NM
Cloudcroft Ultra Trail Race
Aug 17, 2024
Imperial, NE
Chase County Fair Run
Aug 17, 2024
Livingston, MT
Stafford Animal Shelter Barks and Brews 5K
Aug 29, 2023
Hooper, UT
Hooper Tomato Days 5K
Aug 31, 2024
Cimarron, NM
Philmont Trail Race
Aug 3, 2024
Rye, CO
Escape 5K Trail Run
Aug 19, 2023
Riverdale, UT
Path to Opioid Prevention
Aug 24, 2024
Phillipsburg, KS
Cowboy Hustle
Aug 5, 2023
Gibbon, NE
Gibbon Fun Run/Walk
Aug 5, 2023
Fort Collins, CO
Be a Hero 5K
Aug 19, 2023
Wild West Relay
Aug 2, 2024
Lory Summer Trail Series
Aug 6, 2024
Aug 27, 2024
Aug 20, 2024
Aug 13, 2024
Mountain Ave Mile
Aug 9, 2024
Human Race
Aug 10, 2024
New Castle, CO
New Castle Dirty Dozen Trail Running Race
Aug 2, 2024
Pyro's Push It Up Trail Run
Aug 10, 2024
Wakefield, KS
Wakefield Birthday Bash Road Race
Aug 24, 2024
Greenwood, NE
Greenwood 5K
Aug 17, 2024
Ropesville, TX
Running the Ropes
Aug 5, 2023
Chama, NM
Chama Yak Attack
Aug 24, 2024
Craig, CO
Flying Colors 5K
Aug 3, 2024
Buhler, KS
Sunflower Trail Run
Aug 24, 2024
Raymond, NE
Great Plains Gravel Triathlon
Aug 25, 2024
La Sal, UT
UTE 100
Aug 24, 2024
Ransom Canyon, TX
Buffman and Squeaky Triathlon Festival
Aug 6, 2023
Los Ranchos de Albuquerque, NM
Sunflower Run
Aug 27, 2023
Parker, SD
Harbor Hustle 5K/Fun Run
Aug 12, 2023
Cooke City, MT
Prospector's 50K
Aug 10, 2024
Aug 11, 2024
Severance, CO
Severance Days 5K
Aug 24, 2024
Cawker City, KS
Cawker City Picnic - Fitness Center Fun Run
Aug 19, 2023
Lakeside, AZ
High Mountain Half Marathon
Aug 3, 2024
Cheyenne Mountain State Park, CO
The Cheyenne Mountain Run
Aug 17, 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. Boulder Stroke & Stride Series
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Aug 1, 2024Thursday
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aquathon | 5K run
More Information
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Boulder, CO
Boulder County, CO
2. BRR All Comers Summer Track and Field Series
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Aug 1, 2024Thursday
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track meet
More Information
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Boulder, CO
Boulder County, CO
3. Chile Harvest Youth Triathlon
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Aug 2, 2024Friday
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youth triathlon
More Information
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Socorro, NM
421 miles point to pointSocorro County, NM
4. New Castle Dirty Dozen Trail Running Race
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Aug 2, 2024Friday
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10K trail run
More Information
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New Castle, CO
124 miles point to pointGarfield County, CO
5. RMRR Trophy Series - August
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Aug 2, 2024Friday
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5K run
More Information
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Centennial, CO
36 miles point to pointArapahoe County, CO
6. Rocky Mountain Half Marathon
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Aug 2, 2024Friday
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5K run
More Information
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Estes Park, CO
28 miles point to pointLarimer County, CO
7. Wild West Relay
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Aug 2, 2024Friday
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200M relay
More Information
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startFort Collins, CO41 miles point to pointfinishSteamboat Springs, CO88 miles point to pointRoutt County, COLarimer County, CO
8. Wild West Relay
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Aug 2, 2024Friday
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200M relay
More Information
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startFort Collins, CO41 miles point to pointfinishSteamboat Springs, CO88 miles point to pointRoutt County, COLarimer County, CO
9. All-Out Runapalooza
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
18 miles point to pointJefferson County, CO
10. Arapahoe Warrior 5K
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Aug 3, 2024Saturday
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5K run
More Information
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Centennial, CO
36 miles point to pointArapahoe County, CO
11. Aspen parkrun
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Aug 3, 2024Saturday
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5K run
More Information
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Aspen, CO
100 miles point to pointPitkin County, CO
12. Beaver Canyon Half Marathon and 10K
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Aug 3, 2024Saturday
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13.1M, 10K run
More Information
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Boston Marathon Qualifier
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Beaver, UT
408 miles point to pointBeaver County, UT
13. Berry Picker Trail Run
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Aug 3, 2024Saturday
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5K trail run
More Information
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Vail, CO
64 miles point to pointEagle County, CO
14. Boulder Rez Marathon
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Aug 3, 2024Saturday
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26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
More Information
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Boulder, CO
Boulder County, CO
15. Crazy Bob's Bair Gutsman
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Aug 3, 2024Saturday
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11M trail run
More Information
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Fruit Heights, UT
358 miles point to pointDavis County, UT
16. Exploration Place parkrun
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Aug 3, 2024Saturday
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5K run
More Information
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Wichita, KS
451 miles point to pointSedgwick County, KS
17. Farm Life 5K Trail Run
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Aug 3, 2024Saturday
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5K run | kids run
More Information
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Idaho Falls, ID
432 miles point to pointBonneville County, ID
18. Flying Colors 5K
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Aug 3, 2024Saturday
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5K run
More Information
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Craig, CO
125 miles point to pointMoffat County, CO
19. Gift of Life Walk/Run
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Aug 3, 2024Saturday
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5K, 2K run
More Information
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Salt Lake City, UT
354 miles point to pointSalt Lake County, UT
20. High Mountain Half Marathon
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Lakeside, AZ
475 miles point to pointNavajo County, AZ
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.