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OFSAA | 49.35 | Jun 2, 2017 | Dillon Landon | Thousand Islands | OFSAA | 1:11.09 | Jun 5, 2015 | Dylan Ritter | Marshall McLuhan | Can Inter | 46.27 | 1987 | Carl Folkes - Central Technica | | Centrals | 51.61 | May 24, 2016 | Asante Jackson | PHS - Ajax | GBSSA | 52.60 | 1993 | Jason Wolanski | Barrie Central CI | LOSSA | 52.10 | May 22, 2012 | Chris Miller | DWSS - Whitby | YRAA | 52.11 | May 18, 2006 | Dylan Mundy | Sutton DHS-S |
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