We’ve analyzed 4,307,567 marathon results from 1,727 marathons. In our previous article, we concluded that American runners have never been slower. In this article, we look at the how much of the slow down is caused by increasing temperatures.     Global temperature increase We used the data from The National Oceanic and Atmospheric Admini... […]

For this study, we have analyzed 2,373,724 results from 28,732 running races. We compared Washington D.C. to its neighbor states Virginia and Maryland, and added also Pennsylvania and West Virginia, because of their proximity. And D.C. has the best runners in all most popular running distances - 5 Kilometer, 10 Kilometer, Half Marathon, and Marathon. Feel fr... […]

Google gets more than 100 billion searches in a month. People search for everything that's on their minds. This makes Google Trends a great source to see people's interest. We have used Google Trends to find the most health conscious countries and turned our findings into a world map.     If there’s a growing trend for searches l... […]

  Your feet are marvelous. Each one has 26 bones, 33 joints, and more than 100 muscles. Needless to say, the design by Mother Nature is complicated but perfect. Every part is crucial as it is. That is why when this single element of the structure - Plantar fascia - fails, you feel excruciating pain growing gradually or breaking out at once. 150+ websit... […]

For this Mega Study, we have analyzed 34,680,750 results from 28,732 different races. American race runners are steadily getting slower across all four major race distances - 5 Kilometer, 10 Kilometer, Half Marathon, and Marathon. In this study, we analyze how Americans’ health influences their running performance. Feel free to use any material from th... […]

Want to know the truth about arch support? Let’s settle this once and for all. This research article took more than 185 hours and we've gone through 150+ studies and resources about arch support to assess its effect on performance, balance, and injury risk in running. We offer you nothing but facts backed up by scientific evidence. Arch support... […]

We have spend weeks analyzing price patterns of running shoes. First, you will be presented to an infographic with the most important conclusions. Secondly, we dig deeper into the numbers. Feel free to use content and graphics as long as you refer to this original source. For interviews, please reach out at jens@runrepeat.com or +45 29 29 29 58.  ... […]

Based on 134,867 reviews of 391 running shoes from 24 brands, this study compare the list price of running shoes with how well rated they are. The key conclusion is that expensive running shoes are not better than more affordable ones. In fact, inexpensive running shoes are better rated than expensive ones. Feel free to use any content (graphics, comments et... […]

We have compiled information about the marathon world record over time, which is illustrated in the infographic below. As you see, we have done great improvements. In the graphic you will find 1) the progress in the world record for men and women, 2) what nations has had the marathon world record the most times and 3) where in the world has the record been beat... […]

Danish research have revealed intriguing results from the most exhaustive study of marathon results in history. The study included 1.815.091 marathon results from 131 marathons. The new research concludes that women are 18.61% better than men at running with a controlled and consistent pace when comparing results for the first and the last part of the marathon.... […]