Jessica Zelinka (left) beats Perdita Felicien at the last hurdle to win the women's 100 metre hurdles finals at the Canadian Track and Field Olympic Trials in Calgary on June 30, 2012. (AL CHAREST/QMI AGENCY)
Perdita Felicien reacts after winning the women's 100-metre hurdles finals ahead of Nikkita Holder and Marie-Eve Dugas at the Canadian Track and Field Championships in Calgary, Alberta, June 25, 2011. (Todd Korol/REUTERS)
Perdita Felicien clears a hurdle next to Nikkita Holder in the women's 100-metre hurdle finals at the Canadian Track and Field Championships in Calgary, Alberta, June 25, 2011. Felicien went on to win the hurdle event. (Todd Korol/REUTERS)
Yvette Lewis of the U.S. poses on the podium with Canada's Angela Whyte and Colombia's Lina Flores after they won gold, silver and bronze respectively in the women's 100-metre hurdles final at the Pan American Games in Guadalajara October 26, 2011. (Jorge Silva/REUTERS)
Angela Whyte of Canada reacts after competing in the women's 100-metre hurdle semifinal at the Jawaharlal Nehru Stadium during the Commonwealth Games in New Delhi October 10, 2010. (Suzanne Plunkett/REUTERS)
Sarah Claxton of Britain and Angela Whyte of Canada compete in their women's 100m hurdles heat of the athletics competition in the National Stadium at the Beijing 2008 Olympic Games August 17, 2008. (Gary Hershorn/REUTERS)
Priscilla Lopes-Schliep hugs Perdita Felicien after taking second place to her in the Women's 100-meter Hurdles as Nikkita Holder looks on at the Canadian Track and Field Championships in Toronto July 31, 2010. (Mark Blinch/REUTERS)
Sally Pearson of Australia clears a hurdle next to Nikkita Holder of Canada during the women's 100 metres hurdles final at the IAAF World Athletics Championships in Daegu September 3, 2011. (David Gray/REUTERS)
Sally Pearson of Australia clears a hurdle next to Nikkita Holder of Canada and Phylicia George of Canada to win the women's 100 metres hurdles final at the IAAF World Athletics Championships in Daegu September 3, 2011. (Michael Dalder/REUTERS)
Phylicia George of Canada clears a hurdle next to Vonette Dixon of Jamaica and Kellie Wells of the U.S. during the women's 100 metres hurdles semi-final at the IAAF World Athletics Championships in Daegu September 3, 2011. (Michael Dalder/REUTERS)
Track star, Jessica Zelinka, was the winner in the Heptathlon #1 Women 100 Meter Hurdles event during the 2011 Canadian Track and Field Championships at Foothills Athletic Park in Calgary.Wednesday June 22, 2011. (Darren Makowichuk/QMI Agency)
Jessica Zelinka races in the women's heptathlon 100 meter hurdles event at the Canadian Track and Field Championships in Calgary, Alberta, June 22, 2011. (Todd Korol/REUTERS)