marathoning

English

Etymology

marathon +‎ -ing

Noun

marathoning (uncountable)

1. The act of running a marathon
   • 1988 July 29, Lawrence Rand, “Body Work: training for the triathlon”, in Chicago Reader‎^[1]:

     Farrell […] says that compared to marathoning, the triathlon "is a breeze--just because of the variety of the training and in the race itself.