Brian Rock 
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
This was a tough week. The final one. And I made it through. It started off with a race – the By Hook or By Crook 12k. Then, I was out of town for a conference in San Francisco. I knew the conference schedule was going to be busy, and I wasn’t going to be … Read more
This weekend was the By Hook or By Crook 12k in Sandy Hook. It was both a USATF-NJ team race and a USATF National Masters Championship. Plus, it was a good opportunity – four weeks out from Chicago – to test my fitness. This race has been marked on my calendar, and I’ve been looking … Read more
Note: this article deals with the 2025 Boston Marathon. For the current prediction for the 2026 Boston Marathon, see this article. 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. … Read more
Last week, I finished up the last real week at peak mileage. This week is the last tough week of my training – and from here on out, it gets a little bit easier. My mileage is down this week, because I have a race coming up next weekend. But I’m running my last hard … Read more
Registration for the 2025 Boston Marathon is drawing to a close, and over the past week I’ve seen a lot of the same questions come up over and over again. It will still be another week or two before acceptances and rejections go out, and it’s likely these same questions will continue to circulate. So … Read more
After a record number of qualified applicants applied to run the Boston Marathon in 2024, there has been plenty of talk about what will happen in 2025. I made a prediction about the cut-off time here (7:03), and I added some additional data and context here. With the registration period under way, runners are eager … Read more
Update: Now that BAA has released the number of applicants, I’ve published a brief follow up here. Last week, I shared a prediction for the 2025 Boston Marathon cut-off time – 7:03. If you haven’t read that article, you may want to read that first to get some context. Since then, I’ve gotten some feedback … Read more
Last month, Garmin released their latest new watches – the and the . Note: This post focuses on the new Fenix watches. For more about the Garmin Enduro 3 – and how it compares to the Enduro 2 – check out this post. In the months leading up to the release, there was plenty of … Read more