Not all marathons are created equal, and for runners seeking fast times, the Bank of America Chicago Marathon is a fan favorite. While every marathon measures the same distance, course conditions can dramatically impact race-day performances.

Sarah Kasperlik collects 3,000 pairs of shoes for charity, surpassing her goal, to support the American Cancer Society's 'Team Determination'.

After John Korir won the 2025 Boston Marathon in 2:04:45, runners flocked to his Instagram to learn more about his training. Here, among the photos of post-race celebrations, trophies and training runs,

With 53,000 finishers expected to compete in the 2025 Chicago Marathon, the Windy City will host thousands of runners and spectators in October.