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We’ve analyzed 19.6 million marathon results from over 30,000 marathons. In our new study, we concluded that the world is getting slower. In this article, we look at how the slow down is affected by increasing temperatures and the weather in general. What our analysis shows is that: The average runner adds 1 minute 25 seconds to his/her marathon finish time for every additional degree F The average runner adds 6 seconds a year due to the general temperature trend.[…]

NEW: The State of US Marathons 2025 This is the first mapping of Global running participation. The analysis covers 107.9 million race results from more than 70 thousand events from 1986 to 2018. This is by far the largest study of race results in history. You may use material from this report as long as you refer to this original report. For special requests, or questions, email lead researcher Jens Jakob Andersen at jens@runrepeat.com. Key conclusions Event participatio[…]

From fitness gurus and gym trainers to that one colleague who never shuts up about Crossfit, all will tell you exactly what you need to do to lose weight. We all know the benefits of exercising - despite how convincing all these so-called experts may sound, weight loss comes down to two things: 1) What you consume, and 2) What you do. That’s it. The most obvious thing people do when they want to lose weight is cardio. HIIT has been one of the top fitness trends yea[…]

Put your money away! As the price of a pair of sneakers goes up, user satisfaction does not increase with it. To the contrary, RunRepeat data suggests that shoppers are more satisfied with cheaper sneakers than they are with expensive sneakers. After analyzing 185,959 reviews of the 1,000 most popular pairs of sneakers in the RunRepeat database, regression analysis shows that there is no statistical correlation between the price of sneakers and how highly it is rated by[…]

When you visit the landing page for the Everland Tread Trainer on the Everlane website you are greeted by a bold claim: “A new kind of sneaker brand. On the path to zero impact. The mission: Make the world’s lowest-impact sneakers. Make them to last. Make them carbon neutral. And never stop pushing to make them better.” The first step on this journey is The Trainer. They “started with full-grain leather produced at a gold-certified tannery, then c[…]

454 cities, 1850 players, 453 matches ... and the winner is? England has finally won the World Cup. They entered the tournament as clear favorites with India and Australia considered to be the only two hurdles. However, it was New Zealand that came incredibly close to spoiling the party. Did you know which city will be the favorite if cities instead of countries were competing? We analyzed the performances of more than 1,850 players from 133 World Cup squads and their bi[…]

Technical gear is made from dozens of materials and fibers. It’s dyed, woven, and sewn into millions of pieces of clothing designed to keep us comfortable while we play, train, and explore. We all have probably heard the saying, “cotton kills.” There’s been a long-standing debate over how, or more importantly, what, technical gear should be made from. This hot topic has mainly has revolved around wool vs. synthetics. Wool has been around for centu[…]

NOTE: This report has been updated. See the most recent report on the state of running 2019 here presented at The Global Running Conference hosted by the IAAF in China June 2019. It includes data back from 1986 until today and covers more than 100 million race results from more than 70,000 races. ----- Below is the previous report: ----- We spend 6 months to conduct the largest study of race results ever. It contains 19,614,975 marathon results from 2008 to 2018 from mor[…]

Summary: Fans of Euroleague teams fill 68% of their arenas capacities on average Only 2 teams (Zalgiris and Maccabi) gather more than 90% of their arena's capacity 7 teams in total have above the average attendance regarding the arena capacity %, and 9 teams are below the average in this aspect Zalgiris fans showed that Lithuania is a land of basketball - 5% of Kaunas population goes to the arena every game Vitoria is following closely with 4.5%, followed by Podgorica an[…]

The threat from climate change is greater than ever. Recently a number of sustainable sneakers have entered the market. But does anyone actually know what environmental impact their sneakers have? It turns out that if the sneaker industry was a country, it would be the 17th largest polluter each year. That raises one question in particular: how much do these 'eco-sneakers' actually reduce carbon emissions by? Well, not as much as you might hope. Eco-sneakers are not goin[…]