EditorialEliud Kipchoge, a marathon runner, in Boston, April 14, 2023. The Boston Marathon, a tricky, hilly beast of a course, has humbled legends in the past. Can this master of speed tackle Heartbreak Hill? (Ian MacLellan/The New York Times)
EditorialEliud Kipchoge, a marathon runner, in Boston, April 14, 2023. The Boston Marathon, a tricky, hilly beast of a course, has humbled legends in the past. Can this master of speed tackle Heartbreak Hill? (Ian MacLellan/The New York Times)
EditorialEliud Kipchoge, a marathon runner, in Boston, April 14, 2023. The Boston Marathon, a tricky, hilly beast of a course, has humbled legends in the past. Can this master of speed tackle Heartbreak Hill? (Ian MacLellan/The New York Times)
EditorialEliud Kipchoge, a marathon runner, in Boston, April 14, 2023. The Boston Marathon, a tricky, hilly beast of a course, has humbled legends in the past. Can this master of speed tackle Heartbreak Hill? (Ian MacLellan/The New York Times)
EditorialGlodi Wabelua, who hopes to make money from his fitness obsession, exercises in Hilly Fields park in South London, as his sister records a video for his social media, on Nov. 2, 2022. (Mary Turner/The New York Times)