Her mentor, Trenton Track Club coach Al Jennings of New Jersey, pumped his arms just in case that wasn’t enough.
Check out this fun clip ― posted by Emma Lee of WHYY News ― of Jennings watching Mu on a feed and rooting for her as she blazes to her wire-to-wire victory in 1:55.21.
The best part is when Jennings, who’s wearing a red shirt, seems to will his 19-year-old protege to maintain her lead by rising from his seat and running. Coaches never stop coaching.
— Emma Lee (@EmmaLeePhoto) August 3, 2021
Jennings and coach Bernice Mitchell discovered Mu as a youngster and helped cultivate her talent, according to The Trentonian.
Now, Mu is an Olympic champion giving plenty of people a reason to cheer.
Watch Mu own the field down the home straight:
— #TokyoOlympics (@NBCOlympics) August 3, 2021
This article originally appeared on HuffPost and has been updated.