marathons

/M EH1 R AH0 TH AA0 N Z/
noun
  1. 1

    A 42.195 kilometre (26 mile 385 yard) road race.

  2. 2

    (by extension) Any extended or sustained activity.

    โ€œHe had a cleaning marathon the night before his girlfriend came over.โ€

Source: https://en.wiktionary.org/wiki/marathon, https://en.wiktionary.org/wiki/marathons