The Men's 100 Freestyle swimming event at the 2009 SEA Games was held on December 11, 2009. Daniel Bego of Malaysia won the event.

Results

Final Place Swimmer Nation Time Notes Daniel Bego 50.16 GR Charles Walker 50.96 NR Russell Ong 51.05 4 Foo Jian Beng 51.22 5 Traiady Fauzi 51.24 6 Guntur Pratama 51.29 7 Daniel Coakley 51.45 8 Thanyanant P. 52.73

Preliminary heats Rank Heat Swimmer Nation Time Notes 1 H2 Daniel Bego 51.63 Q 2 H2 Daniel Coakley 51.63 Q 3 H2 Traiady Fauzi 51.75 Q 4 H1 Guntur Pratama 51.75 Q 5 H1 Russell Ong 51.93 Q 6 H1 Charles Walker 52.30 Q 7 H2 Foo Jian Beng 54.33 Q 8 H1 Thanyanant P 52.61 Q 9 H1 Thanh Hai Nguyen 53.25 10 H2 Quy Phuoc Hoang 1:04.36 11 H2 S Soulasane 1:04.36 12 H2 Sao Sedarath 1:05.61 13 H1 S Saylom 1:07.70

References