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T3
T3
Technology
Matt Kollat

This year's London Marathon finishers were way slower than last year – Strava data reveals 6 possible reasons

LONDON, UNITED KINGDOM - APRIL 23: Runners compete with different costumes during the London Marathon in London, United Kingdom on April 23, 2023. (Photo by Loredana Sangiuliano/Anadolu Agency via Getty Images).

According to new data from Strava, the go-to app for runners, cyclists and millions of other athletes, average finish times for the London Marathon across every gender and generation dropped noticeably in 2025 compared to 2024.

From Gen Z to Boomers, women to men, everyone crossed the line a little later this time around; in some cases, more than ten minutes slower on average.

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