March Update on the 2026 Boston Marathon Cutoff Time Projection

Scenes from the 2024 Boston Marathon

For the past few months, I’ve been tracking the results of marathon finishers around the world in an attempt to project the cutoff time for the 2026 Boston Marathon. I put together a live tracker, and I published an early analysis in December and a follow-up in January. The emerging picture suggested that the new qualifying times reduced the … Read more

The 2025 Tokyo Marathon: Three Interesting Data Insights (Plus More)

Feature photo by nakashi on Wikimedia Commons — CC BY-SA 2.0. Scenes from the 2024 Tokyo Marathon This past weekend was the Tokyo Marathon — the first Abbott World Marathon Major of 2025. Last year was an exciting one for the series: So what does this year have in store us? The 2024 Tokyo Marathon was exciting in its … Read more