Athletes competed at two age categories: Youth (U18) and open senior.
2008 | 2008 Summer Olympics | Oakland Athletics | The Championships, Wimbledon | National Association of Intercollegiate Athletics | 2008 in music | United States presidential election, 2008 | Oceania | World Figure Skating Championships | Arena Football League (1987–2008) | UEFA Euro 2008 | ICF Canoe Sprint World Championships | Eurovision Song Contest 2008 | IAAF World Championships in Athletics | 2008 Sichuan earthquake | 2004 IAAF World Indoor Championships | Ice Hockey World Championships | Barack Obama presidential campaign, 2008 | 2008 World Series of Poker | World Gliding Championships | John McCain presidential campaign, 2008 | 2007 World Championships in Athletics | Men's major golf championships | Canadian federal election, 2008 | FIS Nordic World Ski Championships | 2013 World Aquatics Championships | World Junior Figure Skating Championships | World Curling Championships | 2008 Commonwealth Youth Games | 2003 World Championships in Athletics |