2026 Boston Marathon Cutoff Time Tracker

The Tableau dashboard below collects data from marathons, tracks the number of finishers who meet their Boston qualifying time, and projects an estimated cutoff time for the 2026 Boston Marathon. It will be updated regularly throughout the year, through the registration period in September 2025. For more details on the data, the assumptions, and other … Read more

Valencia Marathon Revisited: Comparison to Fast Races That Aren’t Majors

Black and white photo of runners in a marathon

Last week, I published a brief analysis of the Valencia Marathon’s field – comparing it to other large races like Berlin, Chicago, and London. The takeaway – the Valencia Marathon has more sub-3:00 finishers than any other race in the world. Drilling down to young men, it has a very high percentage of runners going … Read more