May Relays in the USA
Marquette, MI
Big Bay Relay
May 18, 2024
Nashville, IN
Dances With Dirt - Gnaw Bone
May 18, 2024
Fairbanks, AK
Two-Way Torture Test
May 18, 2024
Asheville, NC
Beer City 20K Relay and 5K
May 25, 2024
Lewes, DE
Seashore Half Marathon
May 4, 2024
Bellingham, WA
Ski to Sea
May 26, 2024
Buffalo, NY
Buffalo Marathon
May 26, 2024
May 25, 2024
Bend, OR
Bend Beer Chase
May 4, 2024
Nashville, TN
Wild Ox Run Club Summer Kickoff
May 31, 2023
Watertown, SD
DASH Around Kampeska
May 17, 2024
May 18, 2024
New Paltz, NY
Rock The Ridge
May 4, 2024
Brookings, SD
Brookings Marathon
May 11, 2024
Burlington, VT
Vermont City Marathon
May 26, 2024
Corpus Christi, TX
Beach To Bay Relay Marathon
May 18, 2024
Morris Township, NJ
Superhero Half Marathon & Relay
May 19, 2024
Joplin, MO
Joplin Memorial Run
May 18, 2024
Philadelphia, PA
WPR 26 x 1M Marathon Relay
May 11, 2024
Terre Haute, IN
Hawthorn Half Day Relay & Ultra
May 25, 2024
Charlotte, NC
Time Laps
May 17, 2024
Park City, UT
Running with Ed
May 18, 2024
Wilton, NH
Pack Monadnock 10 Miler
May 19, 2024
Binghamton, NY
Bridge Run
May 5, 2024
Traverse City, MI
Traverse City Trail Running Festival
May 11, 2024
May 10, 2024
McMinnville, OR
The Race to Space
May 11, 2024
Cincinnati, OH
Flying Pig Marathon
May 5, 2024
May 4, 2024
Los Angeles, CA
Hollywood to the Sea Road & Trail Relay
May 4, 2024
Key West, FL
KEYS100
May 18, 2024
Plattsburgh, NY
Lake City Running Festival
May 25, 2024
Bozeman, MT
Frank Newman Marathon
May 25, 2024
Syracuse, NY
Mountain Goat Run
May 5, 2024
Adamant, VT
Adamant Half Marathon
May 11, 2024
New York, NY
Sri Chinmoy 5K, Half-Marathon & Relay
May 11, 2024
Lewis Center, OH
Alum Creek Trail Race
May 18, 2024
May 19, 2024
Fabius, NY
Madness Elimination Trail
May 26, 2024
Pittsburgh, PA
Pittsburgh Marathon Weekend
May 5, 2024
May 4, 2024
Miles 2 Meals 100 Mile Relay
May 18, 2024
Burlington, NC
Cedarock Trail Run
May 18, 2024
Thurmond, WV
Highball to Thurmond Ultra & Relay
May 19, 2024
Medina, OH
Medina Half Marathon
May 25, 2024
Groton, CT
Ragnar Road New England
May 17, 2024
Cape Girardeau, MO
Muddy River Marathon
May 4, 2024
Pasadena, CA
Pasadena Running Company 50K Relay
May 26, 2024
Frederick, MD
Frederick Running Festival
May 5, 2024
May 4, 2024
Watford City, ND
MDH Buck Fifty Ultra Endurance Race
May 1, 2024
San Antonio, TX
American Hero 25K Relay
May 26, 2024
Brandenburg, KY
Ragnar Trail Kentucky
May 17, 2024
Ogden, UT
Ogden Marathon
May 18, 2024
Shreveport, LA
Lager Jogger 5K & Beer Mile
May 18, 2024
Rochester, MN
Med City Marathon
May 19, 2024
May 18, 2024
Ellicott City, MD
Ellicott City 5K/10K
May 5, 2024
Des Moines, IA
Des Moines Women's Half Marathon
May 4, 2024
May 5, 2024
Market to Market Relay - Iowa
May 11, 2024
Paducah, KY
Paducah Iron Mom Half Marathon
May 11, 2024
New Gloucester, ME
Trail Festival at Pineland Farms
May 25, 2024
May 26, 2024
Pelham, AL
Runk the Gap
May 10, 2024
Portersville, PA
Glacier Ridge Trail Ultra
May 11, 2024
Susanville, CA
Paiute Meadows Trail Run
May 11, 2024
Nebo, NC
Saturday - Pisgah 8 Hour Adventure Race
May 4, 2024
Sunday - Pisgah 8 Hour Adventure Race
May 5, 2024
Burnet, TX
Spider Mountain Trail Race
May 11, 2024
Santa Ynez, CA
Santa Barbara Wine Country Half Marathon
May 11, 2024
Norfolk, NE
Relay for Malawi
May 27, 2023
Keezletown, VA
Perfect Day 50K
May 4, 2024
Kendallville, IN
Armed Forces Endurance Run
May 18, 2024
Perrysville, OH
Mohican Trail Race
May 11, 2024
May 12, 2024
Trail, OR
Lost Creek Trail Run
May 4, 2024
Firestone, CO
Carbon Valley Half Marathon
May 11, 2024
Marcy, NY
Erie Canal Races
May 19, 2024
Mount Carmel, UT
Ragnar Trail Relay - Zion
May 10, 2024
Jefferson, IA
Market to Market Relay - Iowa
May 11, 2024
Forest Ranch, CA
Little Loco Relay
May 4, 2024
Crow Agency, MT
Say Their Names Marathon and Marathon Relay
May 5, 2024
Central City, NE
Dark Island Trail Half Marathon
May 25, 2024
Bennington, NE
Triple B Relay and Race - Bennington, NE
May 11, 2024
Mount Pleasant, SC
She Tris Sprint Triathlon
May 18, 2024
Fort Collins, CO
Colorado Marathon
May 5, 2024
Pickrell, NE
Nebraska 50K Classic Relay
May 25, 2024
Portageville, NY
Sehgahunda Trail Marathon & Relay
May 18, 2024
May 19, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. MDH Buck Fifty Ultra Endurance Race
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May 1, 2024Wednesday
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300M, 150M run | 300M, 150M relay
More Information
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Watford City, ND
McKenzie County, ND
2. Bend Beer Chase
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May 4, 2024Saturday
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55M relay
More Information
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Bend, OR
Deschutes County, OR
3. Brainerd Jaycees Run for the Lakes
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May 4, 2024Saturday
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26.2M, 13.1M, 10K run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Nisswa, MN
Crow Wing County, MN
4. Hollywood to the Sea Road & Trail Relay
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May 4, 2024Saturday
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75M trail run | 75M relay
More Information
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Los Angeles, CA
Los Angeles County, CA
5. Little Loco Relay
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May 4, 2024Saturday
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65M relay
More Information
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Forest Ranch, CA
Butte County, CA
6. Lost Creek Trail Run
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May 4, 2024Saturday
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50K, 30K, 5K trail run | 30K relay
More Information
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Trail, OR
Jackson County, OR
7. Muddy River Marathon
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May 4, 2024Saturday
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26.2M, 13.1M run | 13.1M relay
More Information
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Cape Girardeau, MO
Cape Girardeau County, MO
8. Perfect Day 50K
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May 4, 2024Saturday
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50K trail run | 50K relay
More Information
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Keezletown, VA
Rockingham County, VA
9. Rock The Ridge
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May 4, 2024Saturday
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50M trail run | 50M relay
More Information
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New Paltz, NY
Ulster County, NY
10. Saturday - Pisgah 8 Hour Adventure Race
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May 4, 2024Saturday
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8H relay | 8H adventure race
More Information
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Nebo, NC
Burke County, NC
11. Seashore Half Marathon
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May 4, 2024Saturday
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13.1M, 5K run | 13.1M relay
More Information
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Lewes, DE
Sussex County, DE
12. Bridge Run
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May 5, 2024Sunday
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13.1M, 5K run | 13.1M relay | kids run
More Information
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Binghamton, NY
Broome County, NY
13. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
14. Des Moines Women's Half Marathon
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May 5, 2024Sunday
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13.1M, 10K run | 13.1M relay
More Information
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Women Only
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Des Moines, IA
Polk County, IA
15. Ellicott City 5K/10K
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May 5, 2024Sunday
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10K, 5K run | 10K relay
More Information
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Ellicott City, MD
Howard County, MD
16. Flying Pig Marathon
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May 5, 2024Sunday
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26.2M, 13.1M run | 26.2M relay
More Information
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Boston Marathon QualifierChallenge
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Cincinnati, OH
Hamilton County, OH
17. Frederick Running Festival
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May 5, 2024Sunday
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13.1M run | 13.1M relay
More Information
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Frederick, MD
Frederick County, MD
18. Mountain Goat Run
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May 5, 2024Sunday
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10M run | 10M relay | kids run
Virtual OptionMore Information
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Syracuse, NY
Onondaga County, NY
19. Pittsburgh Marathon Weekend
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May 5, 2024Sunday
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26.2M, 13.1M run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Pittsburgh, PA
Allegheny County, PA
20. Say Their Names Marathon and Marathon Relay
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May 5, 2024Sunday
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26.2M run | 26.2M relay
More Information
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startBusby, MTfinishCrow Agency, MTBig Horn County, MTBig Horn County, MT
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.