The men's 100 metre butterfly event at the 2010 Youth Olympic Games took place on August 16, at the Singapore Sports School.

Medalists

53.13 53.31 53.77

Heats

Heat 1 Rank Lane Name Nationality Time Notes 1 3 Tsilavina Andritina Ramanantsoa 1:06.88 2 4 Cristofer Jimenez 1:07.64 3 6 Ham Sserunjogi 1:11.23 4 5 Ralph Benjamin Teiko Quaye 1:17.03

Heat 2 Rank Lane Name Nationality Time Notes 1 3 Zlatko Alić 57.46 2 4 Serghei Golban 57.81 3 5 Ahmadreza Jalali 57.84 4 6 Homayoun Haghighijadid 58.34 5 8 Sofyan El Gadi 59.07 6 2 Omar Mithqal 59.39 7 7 Juwel Ahmed 1:02.97 8 1 Jeremy Joint Riong 1:11.27

Heat 3 Rank Lane Name Nationality Time Notes 1 1 Kenneth To 54.16 Q 2 2 Jordan Coehlo 54.19 Q 3 4 Marcin Cieślak 54.64 Q 4 3 Roberto Sterlkov 55.15 Q 5 5 Bowei Sun 55.30 Q 6 6 Melvin Herrmann 55.65 Q 7 7 Justin James 55.70 8 8 Juan Manuel Arbelaez 58.37

Heat 4 Rank Lane Name Nationality Time Notes 1 3 Velimir Stjepanović 54.71 Q 2 7 Hoang Quy Phuoc 54.74 Q 3 5 Bence Biczó 54.76 Q 4 4 Mehdy Metella 54.81 Q 5 2 Kyusang Yoo 55.58 Q 6 6 Ilya Lemaev 55.77 7 1 Thomas Jobin 56.80 8 8 Rainer Kai Wee Ng 57.06

Heat 5 Rank Lane Name Nationality Time Notes 1 3 Erich Peske 54.50 Q 2 5 Gyucheol Chang 54.66 Q 3 6 Chad le Clos 54.93 Q 4 4 Tommaso Romani 55.10 Q 5 7 Cadell Lyons 55.54 Q 6 2 Jun Isaji 55.88 7 1 Sheng Jun Pang 57.08 8 8 Ondrej Palatka 57.41

Semifinals

Semifinal 1 Rank Lane Name Nationality Time Notes 1 2 Chad le Clos 53.67 Q 2 3 Velimir Stjepanović 54.00 Q 3 6 Bence Biczó 54.03 Q 4 4 Jordan Coehlo 54.11 Q 5 5 Marcin Cieślak 54.30 Q 6 1 Cadell Lyons 54.88 7 8 Melvin Herrmann 55.19 8 7 Roberto Sterlkov 55.20

Semifinal 2 Rank Lane Name Nationality Time Notes 1 3 Gyucheol Chang 53.41 Q 2 5 Erich Peske 54.29 Q 3 2 Mehdy Metella 54.30 Q 4 7 Tommaso Romani 54.35 5 4 Kenneth To 54.36 6 6 Hoang Quy Phuoc 54.71 7 1 Bowei Sun 54.73 8 8 Kyusang Yoo 55.16

Final Rank Lane Name Nationality Time Notes 4 Gyucheol Chang 53.13 5 Chad le Clos 53.31 3 Velimir Stjepanović 53.77 4 1 Marcin Cieślak 53.78 5 2 Jordan Coehlo 53.96 6 6 Bence Biczó 53.99 7 8 Mehdy Metella 54.35 8 7 Erich Peske 54.93

References Heat Results Semifinals Results Final Result