Last month, I posted a lengthy analysis of the Chicago Marathon results. Part of that analysis was whether runners managed a negative split or not. Subsequently, I’ve done some more thinking about this issue. After some discussions around the data, I came up with a different way to think about the problem. Instead of looking … Read more
Feature image by Anthony Quintano on Flickr – CC BY 2.0 Last Sunday was the New York City Marathon. The race set a new record for the number of finishers – over 55,000 – and New York City is once again the largest race in the world. Berlin’s stint as the record holder was short … Read more
A few weeks ago, I ran the Chicago Marathon. Over the course of the next week, I collected the results of the race from the Chicago Marathon website and analyzed the data. I published the full analysis on Medium, and I published a shorter version here. And I also packaged the data into an interactive … Read more
Summer is always a tough time to be a runner. But in the moment, it can feel terrible – like you’ve never experienced so much heat and humidity in your life. Then, when the weather breaks, it’s all just a fleeting memory. Until summer rolls around again next year. The summer of 2024 certainly had … Read more
Last weekend was the the 2024 Chicago Marathon. Over 52,000 runners hit the streets of Chicago for the race. As I do after each World Marathon Major, I’ve collected the results and analyzed them to see if there are any interesting tidbits. I’ve published a detailed analysis in Runner’s Life, which you can find here. … Read more
Last weekend was the 50th anniversary of the Berlin Marathon. To celebrate the occasion, over 54,000 runners ran the race. As I do after each World Marathon Major, I’ve collected the results and analyzed them to see if there are any interesting tidbits. I’ve published a detailed analysis in Runner’s Life, which you can find … Read more
Many runners have strong opinions about Boston’s qualifying times and their selection process. People will inevitably complain that it’s unfair for one group or another. I recently saw a post in a Facebook group suggesting that the process was unfair for women – and that the new qualifying times would make things more unfair. This … Read more
Featured Image by Claire — CC BY 2.0 This weekend, over 50,000 runners will hit the streets of Berlin to participate in the 50th Berlin Marathon. The race has grown a lot in those 50 years. It started as a small race with a couple hundred runners, and it is now one of the World Marathon Majors … Read more
This week, the Boston Athletic Association officially announced the cutoff time for the 2025 Boston Marathon: 6:51. As they have done in the past, they included with this announcement a collection of data and statistics that tell some of the story of the applicant pool and the field of qualifiers. Absent a full release of … Read more
Friday, the registration period for the 2025 Boston Marathon came to a close. Along with many others, I was eagerly waiting to see if they would release the number of qualified applicants. They didn’t. By the end of the weekend, I was beginning to think they might withhold that information until they announce the actual … Read more