International Triathlon Union Race Distance

Distance in Triathlon races differs, but the International Triathlon Union and USA Triathlon have set of distances for a triathlon race they are:

Sprint Distance: 750 meter (.465 mi) swim, 20 kilometer (12.5 mi) bike, 5 kilometer (3.1 mi) run

Intermediate (Standard) distance or Olympic distance: 1.5 kilometer (.93 mi) swim, 40 kilometer (25 mi) bike, 10 kilometer (6.2 mi) run
Long Course or half-Ironman (70.3): 1.9 kilometer (1.2 mi) swim, 90 kilometer (56 mi) bike, and a 21.1 kilometer (13.1 mi) run
Ultra Distance or the Ironman (140.6): 3.8 kilometer (2.4 mi) swim, 180.2 kilometer (112 mi) bike, and a full marathon: 42.2 kilometer (26.2 mi) run.