They were two underdogs but in the end they had both won gold medals. And they were Canadians.

Oakville kayaker Adam Van Koeverden was supposed to challenge for a gold medal in the 1000-metre single kayak race. He was in second place at the halfway point, but collapsed down the stretch and finished a hugely disappointing eighth.

Then canoeist Thomas Hall of Montreal came from behind to win a bronze medal in the men's C1-1000.

A few hours later, Karine Sergerie, of St. Catherine, Que., won a silver in taekwondo to give Canada its second medal of the day and 17th overall. That's five more than Canada brought home from Athens four years ago and three more than Canadians won in Sydney in 2000, but still below the 18 collected in Barcelona and the 22 medals won in Atlanta in 1996.

Canada finished Day 15 of the Games with three gold, eight silver and six bronze medals.

Sports Interaction was offering betting odds on the Men's Marathon for Canadian sports bettors.

Mens Marathon - Outright

Martin Lel +300

Sammy Wanjiru +400

Mubarak Shami +400

Abderrahim Goumri +1000

Tsegaye Kedebe +1100

Robert Cheruiyot +1100

Deriba Merga +1200

Ryan Hall +1200

Jaouad Gharib +1200

Viktor Rothlin +1600

Yared Asmerom +1800

Satoshi Osaki +2000

Stefano Baldini +2000

Arata Fujiwara +2500

Jose Rios +3000

Yonas Kifle +3000

Yuzo Onishi +3300

Simon Muntuyu +5000