He has five other Nordic skiing World Championships medals, earning three golds (4 × 5 km team: 1999, 2007 and 75 km sprint: 2007) and two bronzes (4 × 5 km team: 2001, 2003). He has two other Olympic team medals as well (silver: 1998, bronze: 2006). Manninen has the record for most wins (48) and most championship titles (4), after passing Kenji Ogiwara"s records during the 2006-2007 season, in the FIS Nordic Combined World Cup.
As a cross country skier, he finished 8th in the individual sprint event at the 2002 Winter Olympics.
Manninen announced his retirement from competition on May 29, 2008 to focus on his family and a future career as an airline pilot. He made his comeback to World Cup on November 28, 2009 in Ruka (Kuusamo), Finland, where he finished 2nd.