In the 1967–68 season, Wagelein competed with Sandi Sweitzer. The two were awarded the silver medal behind the Kauffman siblings at the 1968 U.S. Championships and were included in the U.S. team to the 1968 Winter Olympics in Grenoble, France. They placed 8th in the short program, 6th in the free skate, and 7th overall at the Olympics. Making their final competitive appearance, they placed 8th at the 1968 World Championships in Geneva, Switzerland.