Shericka Jackson is a Jamaican sprinter competing in the 60 m, 100 m, 200 m, and 400 metres. In the 100 m, she’s the sixth fastest woman of all time, while in the 200 m, she’s the second fastest woman in history. From Wikipedia
At 38, she secured her spot at her ninth World Championships in Tokyo, aiming to conclude her career where it began.