Kammala wannan jumla: Gleason ya fara zama na farko, a matsayin tsibirin tsibirin Virgin Islands na Amurka, a gasar Olympics ta 2000 a Sydney. Ya kasa ci gaba zuwa wasan kusa da na karshe a kowane daga cikin wasanninsa na mutum, inda ya sanya na talatin da tara a tseren mita 200 (1:54.64) da kuma na arba'in da biyu a kowane.
100 m freestyle (52.00) da kuma 200 m mutum medley (2:08.25).