2003 UCI Track Cycling World Championships
The 2003 UCI Track Cycling World Championships were the World Championship for track cycling. They took place at the Hanns-Martin-Schleyer-Halle in Stuttgart, Germany from July 30 to August 3, 2003. The championships were due to be held in Shenzhen, China, but were moved to Stuttgart following the 2003 SARS outbreak in China.