Challenge du Prince - Trophée Princier 2010 Comments Latest News from the Race Richeze victorious in Casablanca Argentinian wins from 11-man break Races Challenge du Prince - Trophée Princier 2010 7 May 2010 | MAR | 1.2 Challenge du Prince - Trophée Princier - Richeze victorious in Casablanca | Casablanca 2010-05-07 165km