Marathons in January 2027

31 marathons, 37 half marathons and 5 ultras take place in January 2027: 16 in Europe, 16 in North America, 35 in Asia, 4 in Africa, 2 in Oceania.

The flattest marathon is the Doha Marathon by Ooredoo (20 m of climbing); the hilliest is the Ibusuki Nanohana Marathon (450 m).

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

The biggest field is at the Walt Disney World Marathon, with about 13,300 finishers.