noun
full marathon
A standard 42.195 km marathon race, as opposed to a half marathon or other distances. Wasei-eigo from English 'full marathon'.
wasei-eigo (Japanese-coined English), from full marathon
See also: マラソン
来月、初めてフルマラソンに挑戦します。
Next month I will attempt my first full marathon.
フルマラソンの完走にはかなりの練習が必要だ。
Completing a full marathon requires considerable training.