2003 UCI Road World Cup Races Races

| Date_ | Race | Country | Winner | Team | World_Cup_Leader | Leader_s_Team |
|---|---|---|---|---|---|---|
| March 22 | Milan – San Remo | Italy | Paolo Bettini ( ITA ) | Quick Step-Davitamon | Paolo Bettini ( ITA ) | Quick Step-Davitamon |
| April 6 | Ronde van Vlaanderen | Belgium | Peter Van Petegem ( BEL ) | Lotto-Domo | Peter Van Petegem ( BEL ) | Lotto-Domo |
| April 13 | Paris–Roubaix | France | Peter Van Petegem ( BEL ) | Lotto-Domo | Peter Van Petegem ( BEL ) | Lotto-Domo |
| April 20 | Amstel Gold Race | Netherlands | Alexandre Vinokourov ( KAZ ) | Team Telekom | Peter Van Petegem ( BEL ) | Lotto-Domo |
| April 27 | Liège–Bastogne–Liège | Belgium | Tyler Hamilton ( USA ) | Team CSC | Peter Van Petegem ( BEL ) | Lotto-Domo |