The boys' 4 × 100 metre medley relay event at the 2010 Youth Olympic Games took place on August 18, at the Singapore Sports School.

Medalists

3:42.50 3:43.84 3:44.22

Heats

Heat 1 Rank Lane Nationality Time Notes 1 4 3:47.30 Q 2 3 3:48.49 Q 3 7 3:48.89 Q 4 6 3:49.19 Q 5 2 3:52.55 6 5 3:58.65

Heat 2 Rank Lane Nationality Time Notes 1 4 3:45.05 Q 2 6 3:45.70 Q 3 7 3:46.48 Q 4 2 3:49.80 Q 5 5 3:52.89 6 1 3:52.98 3 DNS

Final Rank Lane Nationality Time Notes 4 3:42.50 6 3:43.84 5 3:44.22 4 2 3:44.51 5 3 3:44.65 6 7 3:45.80 7 1 3:47.27 8 8 3:48.45

References Heat Results Final Result