Marathons in North America in March 2027

12 marathons, 11 half marathons and 7 ultras in North America in March 2027.

The flattest is the Myrtle Beach Half Marathon (40 m of climbing); the hilliest is the Georgia Death Race (4,875 m).

For cool racing conditions, the Los Angeles Marathon usually starts around 9°C.

The biggest field is at the Los Angeles Marathon, with about 20,000 finishers.