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.
Competitors have 17 hours to finish the race, and cut-off times are applied to each segment. SWIM: The cut off for the swim segment is 2 hours 20 minutes after your designated start time. BIKE: The bike cut off for the bike course is 10 hours and 30 minutes after your designated start time. RUN: The cut off time for the IRONMAN World Championship is 17 hours after your designated start time.