The gold plated ironman Triathlon charm necklace can be a special gift for runners and athletes. The Greek word triathlon means contest of three. Though distances can vary, the race always consists of a swim, a bike ride, and a run. An ironman triathlon is one of a series of long-distance triathlon races, consisting of a 2.4-mile (3.86 km) swim, a 112-mile (180.25 km) bicycle ride and a marathon 26.22-mile (42.20 km) run, raced in that order. It is widely considered one of the most difficult one-day sporting events in the world. Show your pride for accomplishing one of the toughest athletic challenges with this dainty charm necklace.