TORONTO. September 1st. Both defending champions, Ethiopia's Mulu Seboka and Kenya's Kenneth Mungara, are confirmed to return to the 20th Anniversary Scotiabank Toronto Waterfront Marathon on September 27th. Seboka had a particularly strong performance last Fall when she ran a new PR and set a course record with her convincing 2:29:06 victory. Mungara triumphed in a much closer sprint to the line over fellow countryman Peter Kiprotich, 2:11:01 to 2:11:03.