In this study, we explore the trends in ultra running over the last 23 years. We have analyzed 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%, 1[…]

For this study, we analyzed 19.6 results from over 16 thousand marathon races. We recently published our mega-study on the state of running, where we found that the world, and in particular, the marathoners from the US are getting slower. We became curious to see how the 50 individual states +D.C. are performing.   Feel free to use any material from this page, as long as you refer to this original source.     We've also created a tool that can[…]

We researched and analyzed 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 distance also increases with strength training, with studies reporting[…]

  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[…]

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 analyzed 1.4 million prices of 4,024 sneakers 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 analyzed one of the 5 most popular products from 3 different tech categories on Amazon to understand if th[…]

  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-kilometer runs has been compiled and presented by Vania Nikolova, Ph.D. in Mathematical analysis.  If you want to compare your finish time with the rest of your f[…]

  Summary We spent 3 months conducting the largest research on salaries in the NBA league. The database contains 12,211 NBA players’ salaries dating from 1990-91 to the 2018-19 season, with a total of 2,244 different players playing in the NBA over this time. The research spreads over 6 different CBA agreements, with the last one (2017) still ongoing.   Key takeaways: The average salary in the NBA has increased more than 7x since the 1990-91 seas[…]

  Are expensive workout shoes worth it? This study analyzed 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 data makes it clear that expensive workout shoes are not better than more affordable ones.  In fact, the inexpensive workout shoes are overall rated better than the more expensive workout shoe options.[…]

  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 behavior?  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[…]

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 Even[…]