May Marathons
365 upcoming marathons and half marathons taking place in May (Spring). Each is rated by our difficulty model - tap any race for its elevation, expected weather, and a finish-time estimate.
Shiprock Marathon
Shiprock, United States of America
Jovia Long Island Marathon Festival of Races
East Meadow, United States of America
Lion Foundation Rotorua Marathon
Rotorua, New Zealand
La Crosse Marathon
La Crosse, United States of America
La Crosse Half Marathon
La Crosse, United States of America
Great Allegheny Ohiopyle Marathon
Ohiopyle, United States of America
Rotorua Half Marathon
Rotorua, New Zealand
TopCity Half Marathon
Topeka, United States of America
Great Allegheny Ohiopyle Marathon Race Festival: Marathon, Half Marathon, 10K and 5K
Ohiopyle, United States of America
May the Fourth Race Half Marathon, 10K, 5K
Farmington, United States of America
The SPRING SPRUNG 5k-10k 10K Ruck and Half Marathon
Ballwin, United States of America
Des Moines Women's Half Marathon, 10K, 5K + Team Relay
Des Moines, United States of America
Lincoln Marathon
Lincoln, United States of America
Long Island Half Marathon
East Meadow, United States of America
Boise River Marathon
Boise, United States of America
Seneca Creek Greenway Trail Marathon
Damascus, United States of America
Hudson Valley Marathon at the Walkway Over the Hudson
Poughkeepsie, United States of America
Flying Pig Half Marathon
Cincinnati, United States of America
Great Birmingham Run Half Marathon
Birmingham, United Kingdom
Love Chocolate Marathon
Savannah, United States of America
Maidstone Half Marathon
Maidstone, United Kingdom
ONU Polar Bear Indoor Marathon
Ada, United States of America
Cornish Marathon And Fun Run
Princess Road, United Kingdom
Brainerd Jaycees Run for the Lakes Marathon
Nisswa, United States of America
Martinsville Half Marathon and 5k
Martinsville, United States of America
Flying Pig Marathon
Cincinnati, United States of America
Garmin Durham Marathon
Durham, United States of America
Great Welsh Marathon Events
Burry Port, United Kingdom
May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs
Long Beach, United States of America
Wild West Marathon
Lone Pine, United States of America
OC Marathon
Newport Beach, United States of America
Pittsburgh Marathon
Pittsburgh, United States of America
UW Medicine Seattle Marathon and Half Marathon
Seattle, United States of America
The 49th Annual Lincoln Marathon
Lincoln, United States of America
Shipyard Old Port Half Marathon
Portland, United States of America
Frederick Half Marathon
Frederick, United States of America
Tacoma City Marathon
Tacoma, United States of America
Shiprock Half Marathon
Shiprock, United States of America
Marathon Var Provence Verte
Brignoles, France
The Rebel Run – 5K, 10K, 10M, and Half Marathon
Long Beach, United States of America
IronHorse Marathon
Riceville, United States of America
Lincoln Half Marathon
Lincoln, United States of America
Colorado Marathon
Fort Collins, United States of America
DICK'S Sporting Goods Pittsburgh Marathon
Pittsburgh, United States of America
Potomac River Run Marathon
Washington, United States of America
Farm Park Marathon
Derwood, United States of America
RC2 Community Runs- 5k, 10K & Half Marathon
Ripon, United States of America
Drink MO Wine Run - 1 Mile, 5K, 10K & Half Marathon
Augusta, United States of America
Orange County Marathon
Newport Beach, United States of America
24th Annual Tails & Trails 5K, 10K, Half Marathon, 1 Mile
Tallahassee, United States of America
Door County Half Marathon with myTEAM TRIUMPH
Fish Creek, United States of America
Kirkland Half Marathon & 5K
Kirkland, United States of America
Never Say Never Half Marathon & 10K
Tieton, United States of America
Flowerfest Marathon at Callaway Gardens
Pine Mountain, United States of America
Hastings Half Marathon
Hastings, United Kingdom
Wisconsin Half Marathon
Kenosha, United States of America
Avenue of the Giants Marathon
Weott, United States of America
Charles River Marathon
Boston, United States of America
Chicagoland Spring Marathon
Schaumburg, United States of America
Queens Marathon (Spring)
Queens, United States of America
The Automaster Shelburne Half Marathon & 5k/10k
Shelburne, United States of America
Long Island Marathon
East Meadow, United States of America
Vancouver Marathon
Vancouver, Canada
Toronto Marathon
Toronto, Canada
The Avenue of the Giants Marathon
Arcata, United States of America
York Marathon
where the local authorities are rotten to the core., United States of America
Maine Coast Marathon
Kennebunk, United States of America
The Milton Keynes Marathon
Milton Keynes, United Kingdom
Halve Maasmarathon de Visé
Visé / Liège, Belgium
Georgina Spring Fling Marathon
Georgina, Canada
Sombrero Marathon
Santa Clarita, United States of America
Wallis Sands Half Marathon
Hampton, United States of America
DoNot Stop Half Marathon (5k/10k) - Austin
Del Valle, United States of America
Providence Rhode Races Marathon
Providence, United States of America
Milton Keynes Half Marathon
Milton Keynes, United Kingdom
Superhero Half Marathon and Relay
Morristown, United States of America
Adamant Half Marathon
Adamant, United States of America
Eau Claire Marathon
Claire, United States of America
Adelaide Marathon Festival
Adelaide, Australia
Chicagoland Spring Marathon, Half Marathon & 10K
Schaumburg, United States of America
CINCO DE MILE HALF MARATHON & OLE 5 QUE - BAKERSFIELD
Bakersfield, United States of America
Walter Childs Memorial Race of Champions Marathon
Holyoke, United States of America
Fountainhead Half Marathon and 10K++ Trail Run
Fairfax Station, United States of America
Sydney Half Marathon
Sydney, Australia
Great Limerick Run Half Marathon
Limerick, Ireland
The Avenue of the Giants Half Marathon
Arcata, United States of America
Trieste 21K
Trieste, Italy
Maraton de Mendoza
Mendoza, Argentina
ORLEN Prague Marathon
Prague, Czech Republic
Three Forts Marathon
Worthing, United Kingdom
Sherry Maraton
Jerez de la Frontera, Spain
Maasmarathon de Visé
Visé / Liège, Belgium
Lucca Half Marathon
Lucca, Italy
Great Limerick Run
Limerick, Ireland
OMT Beirut Marathon
Beirut, Lebanon
Meia Maratona Internacional de Florianópolis
Florianópolis, Brazil
Hamilton Island Hilly Half Marathon
Hamilton Island, Australia
Zeigler Kalamazoo Half Marathon
Kalamazoo, United States of America
Three Forts Half Marathon
Worthing, United Kingdom
Pittsburgh Half Marathon
Pittsburgh, United States of America
Showing the first 100 of 365. Use the difficulty calculator to filter all races.