2013 Tokyo Marathon 2:06:50 hours. The women's winner, Aberu Kebede, had a time of 2:25:34 hours, which was six seconds off the women's course best. The mass races set a new participation record with a total of 28,721 runners entering the race over 42.195 kilometres (26 miles and 385 yards), and 36,676 people taking part in the day's races as a whole. A day prior to the race, the International Friendship Run was held with a distance of roughly 4 km. The non-competitive race between athletes, organisers and registered marathon entrants began with warm-up radio exercises and took place in Shiokaze Park and
Long-distance swimming Some of the better-known long-distance swims are crossings of the English Channel, Catalina Channel, Fehmarn Belt and Cook Strait. Ultra-long distance swimming is sometimes referred to as marathon swimming. The minimum distance that constitutes a marathon swim has dramatically shortened over time. Different organizations adopt various minimum distances. The swimming marathon events at the Olympic games have a distance of 10 km. Long-distance swims tend to fall into one of two categories: (1) swims in which the start date and start time are chosen by the individual swimmer (often called solo-swims), and (2) swims that involve a group-start. Long-distance swimming