Latest research center articles

"I always used slam-dunking as a tool for intimidation." - Dominique Wilkins The purpose of this page is to provide detailed stats about dunks in the NBA league. Feel free to use this information as long as you link to the original source.  The page stats are taken from RunRepeat's database of 169,734 dunks made in the NBA since the 2000-01 season. Navigation League trends Dunks in the NBA over time Player impact on team dunks Share of dunks in team points Distribution o[…]

172 games were played in the Orland bubble, 89 seeding, and 83 playoff games. We analysed the first 89 games of each of the past 5 seasons (corresponding with 89 bubble seeding games), along with 5 previous playoffs. We counted the total number of games NBA players missed due to injury during this period and compared the bubble with “outside”. Key findings NBA bubble turned out to be the safest on-court environment for the NBA players: Players in the bubble missed 28% fe[…]

In this study, we explore the trends in ultra running over the last 23 years. We have analysed 5,010,730 results from 15,451 ultra running events, making this the largest study ever done on the sport.  Key results Female ultra runners are faster than male ultra runners at distances over 195 miles. The longer the distance the shorter the gender pace gap. In 5Ks men run 17.9% faster than women, at marathon distance the difference is just 11.1%, 100-mile races see the diffe[…]

It is well known that exercise benefits sports performance in a variety of ways. For this study we researched and analysed over 130 scientific studies in order to investigate the effect of strength training for golf on performance. As a result, we identified more than 50 ways strength training improves golf performance.  Key Findings Strength training has been shown to increase driving distance in golf by as much as 10.9% in as little as 8 weeks.   The overall carry dist[…]

Using data from BuzzSumo, we have curated the 13 most viral sports stories of 2019. These are the stories that captured the imagination of the public on social media across Facebook, Twitter and Reddit. In a great year for women’s sport, 7 of the 13 most viral stories shared this year, were about women’s sports. This perhaps shows that the appetite is there and with added buy-in from the male dominated governing bodies, we can start to work towards the equal pay, and equ[…]

Is Black Friday the cheapest day to buy stuff? After investigating the two largest markets - clothing and tech - the answer is a firm no. In this pricing analysis study, we analysed 1.4 million prices of 4,024 trainers from more than 200 retailers over the past 3 years to understand the relationship between prices on Black Friday and the rest of the year. We also analysed one of the 5 most popular products from 3 different tech categories on Amazon to understand if the f[…]

The purpose of this page is to provide detailed stats about the 5Ks in the US. Feel free to use this information as long as you link to the original source.  The data for this statistics page is a result of the collaboration between the IAAF and RunRepeat.com. The stats about the 5-kilometre runs has been compiled and presented by Vania Nikolova, Ph.D. in Mathematical analysis.  If you want to read more running statistics and compare your finish time with the rest of you[…]

The analysis below is based not on our lab reviews, but on expert and user reviews from other sites. To learn more about how we lab test shoes, see our methodology page here, which explains in detail how every test is conducted.   Are expensive workout shoes worth it? This study analysed 323,776 reviews of 336 workout shoes from 20 different brands. The analysis focused on the pricing, rating, and savings for shoes across the entire category as well as individual brands.[…]

The political divide is seemingly greater than ever. Although we are all citizens of the same country, there are clearly differences in the people that fall on both sides of the aisle. Which begs the question: how does one’s political affiliation impact their online shoe shopping behaviour?  To answer that question, we enlisted the help of customers at RunRepeat.  We conducted a survey where customers were asked to self-identify their political affiliation. We gathered 3[…]

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 participation has declined by 13% since 2016, w[…]