Half Ironman Calendar 2024. Half ironman triathlon (70.3) : The 2024 north american race season is upon us and many exciting events and destinations beckon your next exhilarating race experience.
It consists of a 1.9 km swim (1.2 miles), 90 km bike (56 miles), and 21.1 km run (13.1 miles). Get ready for a remarkable.