Treve wins Europe 's biggest racing prize , the Prix de l'Arc de Triomphe . Japanese filly wins by One lengths from French favorite Orfevre . It is the third year in a row that a filly has beaten the colts at l'Arc . Orfevre was also runner-up the third year in a row , disappointing the visiting Japanese fans .
Treve wins Europe 's biggest racing prize , the Prix de l'Arc de Triomphe . French filly wins by five lengths from Japanese favorite Orfevre . It is the third year in a row that a filly has beaten the colts at l'Arc . Orfevre was also runner-up last year , disappointing the visiting Japanese fans .