Winnington waxay ku guuleysatay seddex billadood oo naxaas ah 2017 FINA World Junior Swimming Championships
200m oo dabaqa xor ah iyo dabaqa xor ah iyo dabaqyada isku dhafan. Guusha Winnington waxay ka soo baxday ciyaarihii Barwaaqo Sooranka ee 2018 halkaas oo uu ku guuleystay dahabka isugeynta qaab xor ah oo ay weheliyaan Kyle Chalmers, Alexander Graham iyo Mack Horton. Waqtiga kooxda isugeynta ee 7:05.97 wuxuu ahaa rikoor ciyaarta.