Emily Sisson (born October 12, 1991) is an American long-distance runner. She set the North American record in the marathon on October 9, 2022, when she ran 2:18:29 to finish second at the Chicago Marathon. Sisson also held the American record in the half marathon from May 2022 until July 2023. She represented the United States in the 10000 metres at the 2017 and 2019 World Athletics Championships, finishing 9th and 10th. In June 2021, she won the 10000m at the 2020 US Olympic Trials and placed 10th in the 10000m final at the 2020 Summer Olympics.
In 2024, she placed second in the marathon at the US Olympic Trials, qualifying for the 2024 Summer Olympics. She competed in the 2024 Paris Olympics Women's marathon on 11 August 2024, where she finished 23rd. As a high schooler, Sisson set a U.S. national record for high school girls in the 5000 metres with a time of 15:48.91.
She also earned a bronze medal at the 2007 Pan American Junior Athletics Championships. While at Providence College, she became a two-time NCAA Champion in the 5000m and set the collegiate indoor record for women in the same event. In addition, Sisson has won multiple national titles in USTAF-sponsored road races from 5 km to 20 km. She has competed professionally for New Balance since June 2015.
As of Sep 16, 2026: Marathon 2:18:29 (#45 all-time), 10 000 m 30:49.57 (#125 all-time), 2026 season best 2:22:39 (Apr 20, 2026, Boston, MA (USA)) · Last competition: Boston Marathon, Apr 20, 2026, 2:22:39 · Area record (Marathon) · 34 years old
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