Watch Ruth Chepngetich MAKE HISTORY at Chicago Marathon: FULL FINISH & INTERVIEW

When Ruth Chepngetich crossed the finish line at the 2024 Bank of America Chicago Marathon it marked an incredible feat and a first in women's racing history. Chepngetich, the 2021 and 2022 Bank of American Chicago Marathon winner and runner-up in 2023, returned to the course in 2024 to try and reclaim her title. And she did more than that. Not only did she set an unofficial world record, she did it in under 2 hours and 10 minutes, a remarkable feat experts called a once-in-a-lifetime finish. The previous world record was 2 hours, 11 minutes and 53 seconds, set by Ethiopia's Tigst Assefa at the 2023 Berlin Marathon. Chepngetich finished with an unofficial time of 2 hours, 9 minutes and 56 seconds.