Subcategories

Distances

Triathlon races vary in distance. According to the International Triathlon Union, and USA Triathlon, the main international race distances are:

Sprint Distance

750 meters (0.47 mi) swim, 20 kilometers (12 mi) bike, 5 kilometers (3.1 mi) run.

Intermediate

1.5 kilometers (0.93 mi) swim, 40 kilometers (25 mi) bike, 10 kilometers (6.2 mi) run. Intermediate is commonly referred to as Olympic distance.

Long Course

1.2 miles (1.9 km) swim, 56 miles (90 km) ride, 13.1 miles (21.1 km) run, such as the Half Ironman.

Ultra Distance

2.4 miles (3.9 km) swim, 112 miles (180 km) ride, and a full marathon: 26.2 miles (42.2 km) run, branded as an Ironman Triathlon.