Heather McKay was a world champion squashplayer.
She is Dame Susan Devoy- Mikeman97
In the USA, the world record champion in sport stacking is William Orrell. He has set multiple world records in sport stacking competitions.
Mark Richards is a four-time world champion in the sport of surfing.
Hailey Lewis is a world champion at swimming.
boxing
Chess
Swimming
Chess
baseball
BOXING
Garry Kasparov was a world champion in chess. He was a grandmaster representing the USSR and Russia.
Surfing