The 87th running of the Tour of Flanders cycling race in Belgium was held on Sunday 6 April 2003.

Belgian Peter Van Petegem won his second victory in the monument classic.

[1] The race started in Bruges and finished in Meerbeke (Ninove).

[2] Previous winner Jacky Durand was in an early breakaway with Michael Rich, Thomas Liese and Vincent van der Kooij.

Van Petegem beat his fellow Belgian in a two-man sprint.