Ontario Duathlon in Sept or Oct?

Does any know of a good September or October, Ontario duathlon outside of the Subaru series?

http://www.triathlonontario.com/hm/inside.php?id=7#October
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http://www.multisportcanada.com/ms/events/woodstock/description.cfm

be prepared…the field is small…the town is beautiful…the weather unpredictable…competition is fierce…and the course is the toughest du I have ever done in my near 20yrs in the sport but it rocks
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