All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Sunday 25 September 2005 1
2005Fernando Alonso wins first Formula One titleSpanish driver becomes youngest world champion at the timeFernando Alonso clinched the 2005 Formula One World Championship at the Brazilian Grand Prix on 25 September 2005, becoming, at 24, the youngest world champion in the sport's history at that point. Driving for Renault, he ended a run of five consecutive titles for Michael Schumacher. Alonso went on to win a second consecutive title in 2006.