Mardi matin 25 juillet 2023 à Fukuoka, deux jours après son formidable record du monde, Léon Marchand se qualifie pour les demi-finales de l'après-midi en économisant ses forces .

Léon Marchand, World Championship 2023 - 200m butterfly heats.
Tuesday morning, July 25, 2023 in Fukuoka, two days after his incredible world record, Léon Marchand qualified for the afternoon semi-finals by saving his strength.