![]() ![]() It’s true that a lot more people participate in marathons compared with some years ago. But which of these suggestions are supported by the evidence? Then there’s the possibility of a decline in overall health and fitness levels. Others suggest it is because slow runners are getting slower. ![]() Some think it’s because of the increasing number of recreational runners in the races, or perhaps thanks to the rise in the number of female runners. ![]() Why is this happening? Lots of theories have been proposed, both before and after we published our findings. Fig 1: The upward trend in the average finish time 2016 is the slowest with the average finish time at 4:40, up from 4:20 back in 1996 There is a considerable rise in the average finishing time for all major races including the 5k, 10k, half-marathon, and marathon. But you’d be wrong.Īt, we analysed more than 34 million marathon results over a period of 20 years and found that runners in the United States are gradually becoming slower. In such a fast-paced, innovative world, you might think that people would be running faster than ever, too. According to a 2007 study, we are even walking faster than ever. Compared with a generation ago, things move more quickly: cars go faster, communication is instantaneous, deliveries arrive the next day. It sounds outlandish because life, in general, is becoming faster. ![]()
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