The men's 50 metre breaststroke SB2 event at the 2012 Paralympic Games took place on 30 August, at the London Aquatics Centre.
Two heats were held, one with six swimmers and one with seven swimmers. The swimmers with the eight fastest times advanced to the final.
Heats
Heat 1 Rank Lane Name Nationality Time Notes 1 4 Arnulfo Castorena 59.01 Q 2 5 Dmytro Vynohradets 59.56 EUQ 3 3 Cristopher Tronco 1:00.12 Q 4 6 Grant Patterson 1:05.86 Q 5 7 Hanhua Li 1:07.82 6 7 Charkorn Kaewsri 1:08.49
Heat 2 Rank Lane Name Nationality Time Notes 1 4 Jianping Du 57.83 AS Q 2 6 Andrey Meshcheryakov 1:00.11Q 3 3 Michael Demarco 1:02.39 Q 4 5 Somchai Doungkaew 1:02.72Q 5 2 Ioannis Kostakis 1:05.94 6 7 Byeong-Eon Min 1:10.22 7 1 Mark Chirino 1:18.66
Final Rank Lane Name Nationality Time Notes 4 Du Jianping 57.50 AS 5 Arnulfo Castorena 58.23 3 Dmytro Vynohradets 58.51 EU 4 2 Cristopher Tronco 01:01.12 5 7 Michael Demarco 1:01.50 6 1 Somchai Doungkaew 1:01.84 7 6 Andrey Meshcheryakov 1:02.31 8 8 Grant Patterson 1:07.52
References