Swimming at the 2008 Summer Olympics – Men's marathon 10 kilometre require different tactics and showcase several different racing strategies that are more common to competitive cycling, marathon running and water polo than traditional pool swimming. It is one of the few Olympic sports where the athlete's coaches play a critical role during the actual event. The coaches have four opportunities to provide drinks to their athletes as the athletes swim by floating pontoons in the course. If the coach falls in the water, his or her athlete is immediately disqualified. Swimming at the 2008 Summer Olympics – Men's marathon 10 kilometre The men's marathon 10 kilometre event at the 2008
Ironman Triathlon There are over three dozen Ironman Triathlon races throughout the world that enable qualification for the Ironman World Championships. Professional athletes qualify for the championship through a point ranking system, where points are earned based on their final placement in Ironman and Ironman 70.3 events. The top 50 male and top 35 female professionals in points qualify for the championship. Amateur athletes qualify for the championship by receiving slots allocated to each age group's top finishers in a qualifying event. The Ironman qualifying events include: In 2005, WTC instituted the Ironman 70.3 race series. This shorter course, also known as