Maybe it was the transition to full-time racing or the fact that Zoe Roy was competing in her home nation last season. It could’ve been the back-and-fourth flights across the U.S/Canadian border, or one team’s hospitality that helped Roy reach new heights on the NorAm circuit. Whatever it was, she wasn’t fighting it. After spending some 20 years in Bend, Ore., Roy, who turned 25 on Sunday, is moving to Canmore, Alberta. Starting Aug. 1,...