CASTLE ROCK — Scottie Scheffler unintentionally trained to conquer Colorado’s altitude on a family vacation between green jacket and gold medal triumphs. So what if lung preparation wasn’t exactly the point of his trip to Telluride in early July? It provided him a little peace of mind, placebo or not, about returning to the Centennial State a month later for the BMW Championship. “The elevation got to me a little bit (in Telluride),” Scheffler said.