Swimming at the 2008 Summer Olympics – Women's marathon 10 kilometre events 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 – Women's marathon 10 kilometre The women's marathon 10 kilometre event at the
Ironman Triathlon a Half Ironman, consists of a swim, bike ride, and run. As with the Ironman series, it consists of a number of qualifying races at various locations worldwide, culminating in a world championship race with athletes drawn largely from top finishers in the qualifying events. For amateur athletes, some 70.3 events acted as qualifiers for the full Ironman World Championships in Hawaii. However, the 2015 qualifying year marked a large de-emphasis on using selected Ironman 70.3 series races as an avenue for amateur athletes to qualify for the Ironman World Championships. The change was made to accommodate for the increased