Damaris Mutunga on Friday broke the national Under-20 championships record in 400m after clocking 51.71 to win silver at the ongoing 2022 World Athletics Under-20 Championships in Cali, Colombia.
After running her Personal Best of 52.60 in the semifinals, Mutunga came shy of the gold medal after finishing microseconds away behind American Yemi Mary John who timed a Personal Best of 51.50 in the win.