ANCHORAGE — As allegories for skiing development go, the uphill run time trial is tough to beat. It’s hard to start with, it gets harder as you approach your goal, and success requires pushing all the way to the finish. “Paying the tax on the road to the podium,” as Sadie Maubet Bjornsen once wrote of a photo of her on Gasline. Tuesday morning in Anchorage, a group of the state’s top juniors took on...