Race Collection
May Half Marathons in North America
There are 30 upcoming half marathons in North America in May on the 42Cal calendar, from May 2026 through May 2027. They span 2 countries, including Canada, United States. Course elevation gain starts as low as 98 ft, with a median of 351 ft across the field.
30
Upcoming races
May 2026 – May 2027
Date range
2
Countries
351 ft
Median elevation
Race data last updated .
The Races
30 races
May 2, 2027
Opening Soon
BMO Vancouver Marathon
Vancouver, BC, Canada
Marathon
Also: Half Marathon
See full guide
May 2, 2027
Opening Soon
Colorado Marathon
Fort Collins, CO, United States
Marathon
Also: 5K, 10K, Half Marathon
See full guide
May 2, 2027
Registration Open
Flying Pig Marathon
Cincinnati, OH, United States
Marathon
Also: 5K, 10K, Half Marathon
See full guide
May 2, 2027
Opening Soon
Lincoln Marathon
Lincoln, NE, United States
Marathon
Also: Half Marathon
See full guide
May 2, 2027
Opening Soon
Long Island Marathon
East Meadow, United States
Marathon
Also: 5K, Half Marathon
See full guide
May 2, 2027
Opening Soon
Pittsburgh Marathon
Pittsburgh, PA, United States
Marathon
Also: Half Marathon, 5K
See full guide
May 2, 2027
Opening Soon
Providence Rhode Races Marathon
East Providence, RI, United States
Marathon
Also: Half Marathon, 5K
See full guide
May 2, 2027
Opening Soon
Toronto Marathon
Toronto, Ontario, Canada
Marathon
Also: Half Marathon, 10K, 5K, Marathon
See full guide
May 8, 2027
Registration Open
500 Festival Mini-Marathon
Indianapolis, Indiana, United States
Half Marathon
Also: 5K
See full guide
May 8, 2027
Opening Soon
Lake Wobegon Trail Marathon
Holdingford, MN, United States
Marathon
Also: Half Marathon, 10K
See full guide
May 9, 2027
Opening Soon
Stewart McKelvey Fredericton Marathon
Fredericton, New Brunswick, Canada
Marathon
Also: 5K, 10K, Half Marathon
See full guide
May 16, 2027
Opening Soon
Colfax Marathon
Denver, CO, United States
Marathon
Also: Half Marathon, 5K
See full guide
May 16, 2027
Registration Open
EPIC Marathon & Running Festival
Ashwaubenon, WI, United States
Marathon
Also: Half Marathon, 5K
See full guide
May 16, 2027
Opening Soon
Med City Marathon
Rochester, MN, United States
Marathon
Also: Half Marathon, 5K
See full guide
May 16, 2027
Opening Soon
Red Deer Marathon, Half Marathon & 10K Road Race
Red Deer, Alberta, Canada
Marathon
Also: Half Marathon, 10K
See full guide
May 16, 2027
Registration Open
University Hospitals Cleveland Marathon
Cleveland, OH, United States
Marathon
Also: Half Marathon, 10K, 5K
See full guide
May 22, 2027
Registration Open
Essentia Health Fargo Marathon
Fargo, ND, United States
Marathon
Also: Half Marathon, 10K, 5K
See full guide
May 23, 2027
Registration Open
Blue Nose Marathon
Halifax, Nova Scotia, Canada
Marathon
Also: Half Marathon, 10K, 5K
See full guide
May 29, 2027
Opening Soon
Bayshore Marathon
Traverse City, MI, United States
Marathon
Also: Half Marathon, 10K
See full guide
May 29, 2027
Opening Soon
Stillwater Half Marathon
Stillwater, MN, United States
Half Marathon
Also: 10K, 5K
See full guide
May 30, 2027
Registration Open
Buffalo Marathon
Buffalo, NY, United States
Marathon
Also: Half Marathon, 5K
See full guide
May 30, 2027
Opening Soon
Calgary Marathon
Calgary, Alberta, Canada
Marathon
Also: Half Marathon, 10K, 5K
See full guide
May 30, 2027
Opening Soon
Coeur d'Alene Marathon
Coeur d'Alene, ID, United States
Marathon
Also: Half Marathon, 10K, 5K
See full guide
May 30, 2027
Opening Soon
Course des Pompiers de Laval
Laval, Quebec, Canada
Marathon
Also: 5K, 5K, 10K, Half Marathon
See full guide
May 30, 2027
Opening Soon
Ottawa Marathon
Ottawa, Ontario, Canada
Marathon
Also: Half Marathon, 10K, 5K
See full guide
May 30, 2027
Opening Soon
Vermont City Marathon
Burlington, VT, United States
Marathon
Also: Half Marathon
See full guide
May 31, 2026
completed
Newport Marathon
Newport, OR, United States
Marathon
Also: Half Marathon
See full guide
May 17, 2026
completed
REVEL Reno Tahoe Marathon
Reno, NV, United States
Marathon
Also: Half Marathon, 10K
See full guide
May 16, 2026
completed
Brooklyn Half Marathon
Brooklyn, New York, United States
Half Marathon
See full guide
May 16, 2026
completed
Ogden Marathon
Huntsville, UT to Ogden, UT, United States
Marathon
Also: Half Marathon, 5K
See full guide
Compare These Races
| Race | Date | Location | Distance | Elevation | Status |
|---|---|---|---|---|---|
| BMO Vancouver Marathon | May 2027 | Vancouver, Canada | Marathon | 160 m | Opening Soon |
| Colorado Marathon | May 2027 | Fort Collins, United States | Marathon | 180 m | Opening Soon |
| Flying Pig Marathon | May 2027 | Cincinnati, United States | Marathon | 350 m | Registration Open |
| Lincoln Marathon | May 2027 | Lincoln, United States | Marathon | 158 m | Opening Soon |
| Long Island Marathon | May 2027 | East Meadow, United States | Marathon | 40 m | Opening Soon |
| Pittsburgh Marathon | May 2027 | Pittsburgh, United States | Marathon | 700 ft | Opening Soon |
| Providence Rhode Races Marathon | May 2027 | East Providence, United States | Marathon | — | Opening Soon |
| Toronto Marathon | May 2027 | Toronto, Canada | Marathon | 55 m | Opening Soon |
| 500 Festival Mini-Marathon | May 2027 | Indianapolis, United States | Half Marathon | 40 m | Registration Open |
| Lake Wobegon Trail Marathon | May 2027 | Holdingford, United States | Marathon | 76 m | Opening Soon |
| Stewart McKelvey Fredericton Marathon | May 2027 | Fredericton, Canada | Marathon | 45 m | Opening Soon |
| Colfax Marathon | May 2027 | Denver, United States | Marathon | 211 m | Opening Soon |
| EPIC Marathon & Running Festival | May 2027 | Ashwaubenon, United States | Marathon | 60 m | Registration Open |
| Med City Marathon | May 2027 | Rochester, United States | Marathon | — | Opening Soon |
| Red Deer Marathon, Half Marathon & 10K Road Race | May 2027 | Red Deer, Canada | Marathon | 150 m | Opening Soon |
| University Hospitals Cleveland Marathon | May 2027 | Cleveland, United States | Marathon | 188 m | Registration Open |
| Essentia Health Fargo Marathon | May 2027 | Fargo, United States | Marathon | 30 m | Registration Open |
| Blue Nose Marathon | May 2027 | Halifax, Canada | Marathon | 220 m | Registration Open |
| Bayshore Marathon | May 2027 | Traverse City, United States | Marathon | 113 m | Opening Soon |
| Stillwater Half Marathon | May 2027 | Stillwater, United States | Half Marathon | 60 m | Opening Soon |
| Buffalo Marathon | May 2027 | Buffalo, United States | Marathon | 179 m | Registration Open |
| Calgary Marathon | May 2027 | Calgary, Canada | Marathon | 115 m | Opening Soon |
| Coeur d'Alene Marathon | May 2027 | Coeur d'Alene, United States | Marathon | 220 m | Opening Soon |
| Course des Pompiers de Laval | May 2027 | Laval, Canada | Marathon | 40 m | Opening Soon |
| Ottawa Marathon | May 2027 | Ottawa, Canada | Marathon | 150 m | Opening Soon |
| Vermont City Marathon | May 2027 | Burlington, United States | Marathon | 107 m | Opening Soon |
| Newport Marathon | May 2026 | Newport, United States | Marathon | 150 ft | completed |
| REVEL Reno Tahoe Marathon | May 2026 | Reno, United States | Marathon | 100 m | completed |
| Brooklyn Half Marathon | May 2026 | Brooklyn, United States | Half Marathon | 200 ft | completed |
| Ogden Marathon | May 2026 | Huntsville, United States | Marathon | 90 m | completed |
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