Vania Nikolova

Vania holds a Ph.D. in Mathematical Analysis and is passionate about data, which allows her to dig deep to and uncover hidden trends. She is deeply passionate about Obstacle Course Racing (OCR), and has earned a Spartan Trifecta medal. With 10 years of experience in weightlifting and martial arts and over 200+ books read on nutrition and dieting, she brings unrivaled expertise and critical perspective on all things exercise and training. Her work has been featured on NPR, Washington Post, Shape, Prevention and many others.

Articles

133 stats on 5K running races in the US

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 resu[…]

Rocket City Marathon Runners Have Never Been Slower

If you want the data for your race analyzed, please contact Vania Nikolova, Ph.D. at vania@runrepeat.com. Key Result We have analyzed the data for the Rocket city marathon from 1995 to 2017 and we hav[…]

Why You Shouldn't Diet

Do you want to: lose your quarantine weight gain prevent future weight gain; increase your sensitivity to hunger and satiety cues; reduce the chance of eating disorders; reduce your proneness to disea[…]

Fun in the Mud - Trends In Obstacle Course Racing

In this article, we explore the development of obstacle course racing (OCR) in the last 8 years. For this reason, we have analyzed 3,698,112 results from 1,825 events held in the USA between 2010 and[…]

Why You Are 12% More Likely to Run a Marathon At a Milestone Age?

In this article, we focused on the age distribution of marathon finishers. And we were looking for the patterns in the participants' age. For this research, we have analyzed 2,340,118 results of marat[…]

Aussies Have Never Been Slower

For this study, we analyzed all available marathon results from all marathons conducted in Australia from the year 2000 to 2016. Our database consists of 183,061 results from 154 different races. And[…]

Compare Running Finish Times [Calculator] - 5K, 10K, Half Marathon, Marathon

Compare your running time to the time of your fellow runners. Results are based on 35 million results collected in the last 20 years from more than 28,000 races. Using this calculator you can see how[…]

Size Don’t Matter – D.C. Outruns Its Neighbours for the Last 8 Years

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, b[…]

American Runners Have Never Been Slower (Mega Study)

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[…]