Athing Mu, the reigning women's 800m Olympic champion, is just 22 years old but has a stacked resume already. Follow her path here.

At the 2020 Tokyo Games, Athing Mu won two gold medals, competing in the women’s 800m and women’s 4x400m relay events.

In the 800m, Mu earned a wire-to-wire victory, breaking the U.S. women’s 800m record with a time of 1 minute, 55.21 seconds. Mu’s win was the first American triumph in the event in 53 years, since Madeline Manning at the 1968 Mexico Olympics. At 19, Mu also became the youngest U.S. woman to win an individual Olympic track and field title since Wyomia Tyus at the 1964 Tokyo Olympics.

Athing Mu holds the U.S. record in the women’s 800m with her time of 1 minute, 54.97 seconds, set in 2023 at the Prefontaine Classic.

Mu also has the North American continental under-20 record in the 800m.

On the heels of her Tokyo Olympic success, Athing Mu won a world gold medal in the women’s 800m at 2022 Worlds in Eugene, Oregon. She then earned a bronze the following year in Budapest.

Athing Mu has been ranked as high as No. 1 in the world for the women’s 800 and No. 22 overall in the World Athletics rankings.

Athing Mu's personal best is the time of 1:54.97 she set at the 2023 Prefontaine Classic.

Athing Mu's was named the top Female Rising Star by World Athletics in 2021, joining Erriyon Knighton, the men’s winner.