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| OFSAA | 42.46 | 1997 | Jessica Zelinka | Sir Frederick Banting CI | | Can Inter | 41.66 | 1994 | Nadia Schmiedt - John Paul II | | | Centrals | 43.78 | May 26, 2017 | Anna Witherspoon | PHS - Ajax | | GBSSA | 45.53 | May 23, 2002 | Christie Archer | Elmvale DHS | | LOSSA | 44.72 | May 17, 2017 | Anna Witherspoon | PHS - Ajax | | YRAA | 44.90 | May 23, 2013 | Nicole Skimming | BCSS - Unionvill |
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