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This Strava Data Shows How Much Slower You Run a Race When It’s Hot

November 14, 2022

In 2021, the high temp was a cool 55 degrees—ideal, if not a little warm for some runners—compared with the 2022 high of 74 degrees plus humidity. Strava found that its users’ who logged a finish in NYC ran an average finishing time in 2021 of 4:09:36, and this year it slowed to 4:21:26. (The average overall finishing time according to New York Road Runners, which includes all 47,839 finishers, was 4:50:26.) Runners World