Most of Michigan is in the Eastern Time Zone The four counties of Dickinson, Gogebic, Iron and Menominee, in the western Upper Peninsula, are in the Central Time Zone.
Ironman Triathlon. An Ironman Triathlon is one of a series of long-distance triathlon races organized by the World Triathlon Corporation (WTC) consisting of a 2.4-mile (3.86 km) swim, a 112-mile (180.25 km) bicycle ride and a marathon 26.2-mile (42.2 km) run, raced in that order and without a break.
According to the Ironman World Championship website, athletes train for 18 to 30 hours per week for about seven months to compete in the annual event, which is held in Hawaii. Athletes swim an average of about 7 miles, bike 232 and run 48 miles per week for the biggest event on the Ironman triathlon calendar.