Noun: ironman (ironmen)
- (sport) a strong man of exceptional physical endurance
"He trained for years to compete in the Ironman triathlon";
- iron man
- (trademark) a long-distance triathlon race, traditionally consisting of a 2.4-mile swim, 112-mile bicycle ride, and 26.2-mile run, though distances may vary in some events
"She completed her first Ironman in under 12 hours"
Derived forms: iron men, ironmen
Type of: adult male, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], geezer [Brit, informal], guy [informal], hombre [N. Amer, informal], man, sod [informal]
Encyclopedia: Ironman