May Races within 400 miles of Boulder, CO
Logan, UT
Canyon Road 10K & 5K
May 11, 2024
Provo, UT
Provo City Half Marathon
May 4, 2024
Weenie Race
May 18, 2024
Running Up For Air - RUFA Kyhv Peak
May 31, 2024
Jun 1, 2024
Utah Valley Marathon
Jun 1, 2024
May 31, 2024
Hayden, CO
Hayden Cog Run
May 4, 2024
Denver, CO
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
May 5, 2024
May 19, 2024
1 more
Colorado Brewery Running Series
May 5, 2024
RMRR Trophy Series - May
May 5, 2024
Mothers Day 5K
May 12, 2024
Denver Colfax Marathon
May 19, 2024
May 18, 2024
Girls on the Run 5K
May 18, 2024
Colorado Springs, CO
Nielson Two Mile Challenge
Mar 1, 2025
Apr 6, 2024
May 4, 2024
Jun 1, 2024
8 more
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
Blue Moon Trail Run
Jul 26, 2024
May 24, 2024
Jun 28, 2024
Angel Run
May 27, 2024
Orem, UT
Timp Trail Marathon
May 18, 2024
Salt Lake City, UT
Five Fifty Fifty Run/Walk for Mental Health
May 27, 2023
CPR 5K
May 4, 2024
Aurora, CO
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
Apr 28, 2024
May 19, 2024
1 more
Altitude Elementary Moose Mudder
May 5, 2024
Durango, CO
Narrow Gauge 10 Mile
May 26, 2024
Park City, UT
Running with Ed
May 18, 2024
Ephraim, UT
Scandinavian Festival 1K
May 27, 2023
Spearfish, SD
Run for Their Lives
May 12, 2024
Big Hill Trail Run
May 19, 2024
Black Hills Youth Triathlon
May 25, 2024
Steamboat Springs, CO
Spirit Challenge
May 18, 2024
Centennial, CO
High Line Canal Run
May 11, 2024
Buena Vista, CO
Collegiate Peaks Trail Run
May 4, 2024
Endura Mamas 5K and Family Fun Run
May 11, 2024
Spirit Trail Run
May 26, 2024
Westminster, CO
Colorado Brewery Running Series
May 4, 2024
Colorado Women's Classic - Westminster
May 12, 2024
Englewood, CO
Denver Athletics All Comers Spring Track Series
May 27, 2023
Front Range Classic
May 25, 2024
Laramie, WY
Wyoming Marathon Races
May 26, 2024
Berthoud, CO
Bob Turner Classic 5K
May 4, 2024
Albuquerque, NM
Run for the Zoo
May 5, 2024
Lilly Barrack Ladies Night 8K & 5K Run/Walk
May 11, 2024
Invisible Heroes Run
May 18, 2024
WisePies Pizza Run
May 19, 2024
Castle Rock, CO
Memorial Day Run & March
May 18, 2024
Shiprock, NM
Shiprock Marathon
May 4, 2024
May 3, 2024
Loveland, CO
New Vision 5K
May 4, 2024
Run For The Trees
May 4, 2024
Run for the Trees - BSBF 2 Mile Run
May 4, 2024
Hot Springs, SD
Breakers Beach Run
May 18, 2024
Bountiful, UT
Splash N Sprint Triathlon
May 11, 2024
Highlands Ranch, CO
HRCA Mother's Day 5K
May 11, 2024
Littleton, CO
Colorado Friends of First Responders
May 11, 2024
Colorado Friends of First Responders Annual Run
May 11, 2024
Vernal, UT
Dino Half Marathon
May 4, 2024
Rapid City, SD
Mental Health and Sexual Assault Awareness and Prevention Month 5K
May 5, 2024
CHM Teacher Trot
May 19, 2024
Memorial Day 5K/10K/15K
May 27, 2024
Los Alamos, NM
Jemez Mountain Trail Runs
May 11, 2024
Arvada, CO
Hope House 5K & Fun Run
May 4, 2024
CMRA Tucker Lake 6.5 Mile
May 11, 2024
Miles for Smiles 5K
May 19, 2024
Estes Park, CO
Duck Waddle 5K
May 4, 2024
Boulder, CO
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
Dash & Dine 5K Series
Apr 30, 2024
May 7, 2024
May 14, 2024
May 21, 2024
Boulder Mothers Day Run
May 12, 2024
BOLDERBoulder 10K
May 27, 2024
Boulder Stroke & Stride Series
May 30, 2024
Jun 5, 2024
Jun 13, 2024
Jun 20, 2024
5 more
Draper, UT
Happy Trails Marathon
May 4, 2024
Brighton, CO
Adams County Foster Care 5K
May 4, 2024
Pagosa Springs, CO
Cloman Kicker 5K
May 20, 2023
Habitat Archuleta's 15 Homes in 5K
May 18, 2024
West Jordan, UT
Challenge Obstacle Run
May 11, 2024
Alma, NE
Ryan's Run Free 5K
May 25, 2024
Salida, CO
Tails on the Trail
May 18, 2024
Riverton, UT
Jordan River 5K
May 6, 2024
American Fork, UT
Woman of Steel Triathlon & 5K
May 18, 2024
Run Of Remembrance
May 27, 2024
Lakewood, CO
Federal Cup 5K
May 4, 2024
GiGi's 5K
May 4, 2024
Payson, UT
Payson Prayer Run
May 4, 2024
Canon City, CO
runBlossom 5K
May 4, 2024
Herriman, UT
Blackridge 5K
May 20, 2024
North Platte, NE
Tyler Vanderheiden Memorial
May 25, 2024
Eagle Mountain, UT
Cedar Valley High Band 5K Fundraiser
May 18, 2024
Honor the Fallen Ruck/Run
May 26, 2024
Providence, UT
iHelp Foundation 5K/10K
May 4, 2024
West Bountiful, UT
Race for Grief
May 29, 2023
Corrales, NM
Viva Vino Run
May 25, 2024
Eagle, CO
Boneyard Boogie
May 18, 2024
Pierre, SD
Pierre Half Marathon
May 4, 2024
Smithfield, UT
Smithfield Health Days Fun Run
May 4, 2024
Bayfield, CO
Vallecito Lake Heavy Half
May 11, 2024
Sterling, KS
Donut Dash
May 4, 2024
Firestone, CO
Carbon Valley Half Marathon
May 11, 2024
Dumont, CO
Canine On the Creek
May 18, 2024
Fort Carson, CO
Ft. Carson Taco Trot
May 4, 2024
Northglenn, CO
Colorado Brewery Running Series
May 11, 2024
Cripple Creek, CO
Pioneers of the Mines
May 27, 2023
Woodward, OK
Lion Heart Half Marathon
May 18, 2024
Larkspur, CO
Greenland Trail Races
May 4, 2024
Crow Agency, MT
Say Their Names Marathon and Marathon Relay
May 5, 2024
Gering, NE
Summit to Summit
May 4, 2024
Central City, NE
Dark Island Trail Half Marathon
May 25, 2024
Richmond, UT
Richmond - Cowabunga Race
May 18, 2024
Alamosa, CO
Valley Bottom Rio Trio
May 25, 2024
Divide, CO
Endure Trail Runs
May 18, 2024
Paradise, UT
Crossover Half
May 18, 2024
Fort Collins, CO
Colorado Run
May 27, 2023
Healthy Kids Running Series
Apr 27, 2024
May 4, 2024
May 18, 2024
Apr 20, 2024
1 more
Colorado Marathon
May 5, 2024
Quad Rock 50
May 11, 2024
Healing Warriors Program 5K Fun Run
May 19, 2024
Sevier, UT
Clear Creek Half Marathon
May 18, 2024
Hyattville, WY
Hyattville Cowboy Carnival 5K and Kids K
May 26, 2024
Minneola, KS
Minneola Wellness Center Donut Dash
May 18, 2024
Johnson City, KS
Running Free Glow Run
May 11, 2024
Stockton, UT
Connor's Claims
May 25, 2024
Bluewater, NM
Bluewater Canyon Trail Race
May 18, 2024
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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.
City Location
1. Shiprock Marathon
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May 3, 2024Friday
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5K run
More Information
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Boston Marathon Qualifier
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Shiprock, NM
287 miles point to pointSan Juan County, NM
2. Adams County Foster Care 5K
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May 4, 2024Saturday
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5K, 1M run
More Information
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Brighton, CO
24 miles point to pointAdams County, CO
3. Aspen parkrun
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May 4, 2024Saturday
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5K run
More Information
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Aspen, CO
100 miles point to pointPitkin County, CO
4. Bash the Bluffs 5K
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May 4, 2024Saturday
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5K, 1M run | kids run
More Information
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Colorado Springs, CO
85 miles point to pointEl Paso County, CO
5. Bob Turner Classic 5K
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May 4, 2024Saturday
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5K run
More Information
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Berthoud, CO
23 miles point to pointLarimer County, CO
6. Brain Freeze Fun Walk/Run
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May 4, 2024Saturday
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5K, 1M run
More Information
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Hays, KS
325 miles point to pointEllis County, KS
7. Cinco de Mayo 5K
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May 4, 2024Saturday
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5K run
More Information
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Cheyenne, WY
82 miles point to pointLaramie County, WY
8. Collegiate Peaks Trail Run
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May 4, 2024Saturday
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50M, 25M trail run
More Information
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Buena Vista, CO
93 miles point to pointChaffee County, CO
9. Colorado Brewery Running Series
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May 4, 2024Saturday
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5K run
More Information
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Westminster, CO
17 miles point to pointAdams County, COJefferson County, CO
10. CPR 5K
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May 4, 2024Saturday
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5K run
More Information
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Salt Lake City, UT
354 miles point to pointSalt Lake County, UT
11. Dino Half Marathon
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May 4, 2024Saturday
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13.1M, 5K run | kids run
More Information
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Vernal, UT
227 miles point to pointUintah County, UT
12. Donut Dash
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May 4, 2024Saturday
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5K run
More Information
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Sterling, KS
395 miles point to pointRice County, KS
13. Duck Waddle 5K
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May 4, 2024Saturday
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5K run
More Information
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Estes Park, CO
28 miles point to pointLarimer County, CO
14. Federal Cup 5K
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May 4, 2024Saturday
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5K run | kids run
More Information
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Lakewood, CO
24 miles point to pointJefferson County, CO
15. Fiesta 5K
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May 4, 2024Saturday
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5K run
More Information
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Sandy, UT
351 miles point to pointSalt Lake County, UT
16. Fly with the Flock 5K
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May 4, 2024Saturday
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5K, 2.5K trail run
More Information
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Ogden, UT
365 miles point to pointWeber County, UT
17. Ft. Carson Taco Trot
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May 4, 2024Saturday
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5K run
More Information
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Fort Carson, CO
92 miles point to pointEl Paso County, CO
18. GiGi's 5K
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May 4, 2024Saturday
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5K run
More Information
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Lakewood, CO
24 miles point to pointJefferson County, CO
19. Girls on the Run 5K
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May 4, 2024Saturday
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5K run
More Information
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Fruita, CO
192 miles point to pointMesa County, CO
20. Greenland Trail Races
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May 4, 2024Saturday
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50K, 25K, 8M, 4M trail run
More Information
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Larkspur, CO
58 miles point to pointDouglas 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.