The results indicate that US life expectancy drops by 2 years when people sit for more than 3 hours a day, and another 1.4 years for watching TV more than 2 hours a day.
A half distance triathlon, also known as âmiddle distanceâ and sometimes referred to as a 70.3 (named for the total number of miles travelled) covers, as the name suggests, half the distance of the Iron-man. The required distances are a 1.93 km (1.2 miles) swim, a 90 km (56 miles) cycle and 21.9 km (13.1 mile) run.he Olympic distance triathlon, also known as âinternational distanceâ requires a 1.5 km (0.93 mile) swim, a 40 km (24.8 mile) cycle and a 10 km (6.2 mile) run.
Distance variations for a sprint triathlon exist because of course constraints or race promoters' preferences. The swim in some sprint-distance triathlons may be as short as 500 meters. The bike portion can range from 12 to 16 miles, while the run can range from a flat 3 miles to 3 1/2 or farther. Super-sprint triathlons are geared toward newbies who want to try out the sport for the first time. These races may consist of a 250- to 500-meter swim, a 7- to 10-mile ride and a 1- to 2-mile run.