The boys' 100 metre freestyle event at the 2010 Youth Olympic Games took place on August 19–20, at the Singapore Sports School.

Medalists

49.99 50.25 50.29

Heats

Heat 1 Rank Lane Name Nationality Time Notes 1 2 Cristian Quintero 50.82 Q 2 4 Ulziibadrakh Gantulga 59.35 3 3 François Mallack 1:01.21 4 5 Cristofer Jimenez 1:02.32 5 8 Richard Francis Regis 1:02.69 6 7 Tsilavina Ramanantsoa 1:02.80 7 1 Soule Soilihi 1:18.38 6 Abdourahman Osman DNS

Heat 2 Rank Lane Name Nationality Time Notes 1 6 Jonathan Ponson 54.14 2 5 Julien Brice 55.01 3 3 Brian Forte 55.62 4 4 Ahmed Salam Al-Dulaimi 56.09 5 2 Sergey Pevinev 56.97 6 7 Abdul Allolan 57.14 7 1 David Buruchara 58.17 8 8 Ghulam Muhammad 1:02.68

Heat 3 Rank Lane Name Nationality Time Notes 1 4 Bertug Coskun 52.48 2 2 Oussama Sahnoune 52.54 3 7 Pierre Keune 52.94 4 3 Kevin Salvador Avila Soto 53.12 5 5 Quy Phuoc Hoang 53.36 6 6 Gustavo Manuel Silva Santa 53.76 7 1 Hazem Tashkandi 54.23 8 8 Quinton Delie 54.40

Heat 4 Rank Lane Name Nationality Time Notes 1 3 Ivan Levaj 51.23 Q 2 6 Clement Lim 51.40 Q 3 2 Jessie Lacuna 52.10 4 8 Dion Dreesens 52.38 5 5 Jeremy Bagshaw 52.54 6 7 Arren Quek 52.69 7 4 Matthew Stanley 52.80 8 1 Juan Manuel Arbelaez 53.08

Heat 5 Rank Lane Name Nationality Time Notes 1 6 Kevin Leithold 51.01 Q 2 3 Péter Bernek 51.40 Q 3 2 Raphaël Stacchiotti 51.74 Q 4 7 Aaron Angel Souza 51.76 Q 5 5 Aitor Martínez 51.84 Q 6 1 Roberto Strelkov 52.15 7 8 Sebastian Arispe 52.27 8 4 Tommaso Romani DNS

Heat 6 Rank Lane Name Nationality Time Notes 1 6 Kenneth To 50.67 Q 2 2 Marius Radu 51.61 Q 3 8 Pjotr Degtjarjov 51.85 Q 4 7 Victor Rodrigues 51.92 Q 5 5 Ching Tat Lum 52.33 6 3 Alessio Torlai 52.71 7 1 Mans Hjelm 53.31 8 4 Andrii Govorov 56.15

Heat 7 Rank Lane Name Nationality Time Notes 1 3 Velimir Stjepanović 51.16 Q 2 6 Mehdy Metella 51.25 Q 3 2 Justin James 51.62 Q 4 4 He Jianbin 51.83 Q 5 7 Andrey Ushakov 51.92 Q 6 8 Yeray Lebon 52.00 7 1 Thomas Stephens 52.20 8 5 Abdullah Altuwaini 52.74

Semifinals

Semifinal 1 Rank Lane Name Nationality Time Notes 1 3 Mehdy Metella 50.21 Q 2 4 Cristian Quintero 50.55 Q 3 5 Velimir Stjepanović 50.56 Q 4 6 Marius Radu 50.88 Q 5 7 He Jianbin 50.89 Q 6 8 Andrey Ushakov 51.49 7 2 Raphaël Stacchiotti 51.67 8 1 Pjotr Degtjarjov 52.67

Semifinal 2 Rank Lane Name Nationality Time Notes 1 4 Kenneth To 49.96 Q 2 5 Kevin Leithold 50.65 Q 3 2 Justin James 51.44 Q 4 1 Aitor Martínez 51.46 5 7 Aaron Angel Souza 51.49 6 3 Ivan Levaj 51.75 7 6 Yong En Clement Yong 51.75 8 8 Victor Rodrigues 52.07

Final Rank Lane Name Nationality Time Notes 5 Mehdy Metella 49.99 6 Velimir Stjepanović 50.25 4 Kenneth To 50.29 4 3 Cristian Quintero 50.47 5 1 He Jianbin 50.69 6 7 Marius Radu 50.76 7 2 Kevin Leithold 50.93 8 8 Justin James 51.21

References Heat Results Semifinal Results Final Result