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.
How Long Is a Triathlon? There are four common distances for triathlon competitions, and many variations on those distances. One thing that may cause a variation from the standard distance is the race venue. Often, race directors are challenged to find a safe venue for a swim, bike and run event. To keep the logistics and safety concerns of staging such an event to a dull roar, on occasion, race directors wisely select a race course that is slightly different than the common distances mentioned in this column.