MILAN — Isabelle Weidemann stepped onto the Olympic oval with medal hopes on her shoulders. A few strides in, the Canadian speedskater knew she wouldn’t meet those expectations. Weidemann finished fifth in the gruelling women’s 5,000 metres Thursday at the Milan Cortina Games, clocking six minutes 50.08 seconds, almost four seconds shy of the podium. “I just didn’t have it,” she said, smiling despite the letdown. “First lap in, I was like, ‘Whoa, this is really fast … Oh no, I can’t get this back, this is...