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

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

I Signed Up for Garmin Connect+ So You Don’t Have To

At the end of March, Garmin released a new subscription service – Garmin Connect+. Here’s what Garmin has to say about the plan: Garmin Connect+ will elevate a customer’s health and fitness knowledge with personalized Active Intelligence insights powered by AI, expert training guidance, exclusive badge challenges, expanded LiveTrack features and more. To say this … Read more

Critique of a Research Study of Strava Data and What It Means for Marathon Runners

Towards the end of last year, a group of researchers published a study based on a large sample of runner’s Strava data: The Training Intensity Distribution of Marathon Runners Across Performance Levels by Daniel Muniz-Pumares et al. I saw this article shared in a couple subreddits, including r/Marathon_Training. I’m pretty sure there was a thread … Read more