Onan Orlando Thom (born April 11, 1984) is a Guyanese former swimmer, who specialized in sprint freestyle events. Thom qualified for the men's 100 m freestyle at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA, in an entry time of 54.14. He challenged seven other swimmers in heat two, including three-time Olympian Aleksandr Agafonov of Uzbekistan. He earned a sixth spot in 55.24, more than a second off his entry time. Thom failed to advance into the semifinals, as he placed fifty-ninth overall out of 71 swimmers in the preliminaries.
Major results Individual Long course Representing 2003World Championships Barcelona, Spain88th (h)50 m freestyle24.84107th (h)100 m freestyle55.4454th (h)50 m backstroke28.8066th (h)100 m backstroke1:03.9170th (h)50 m breaststroke32.2673rd (h)100 m breaststroke1:10.51Pan American Games Santo Domingo, Dominican Republic28th (h)50 m freestyle24.8331st (h)100 m freestyle54.1420th (h)100 m breaststroke1:10.78
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