` From a racing industry perspective , if a male horse is successful on the racetrack , they will also be worth a lot more money as a breeding stud -- anything up to around $ 150,000 per offspring , '' said Tim Whitaker , head of postgraduate study in equine science at Britain 's Duchy College . Horse racing rare sport where males and females compete against each other . Not just jockeys -- but horses . How does gender affect their performance ? More dominant male horses than females , seen as taller , stronger , faster . Aussie champion Black Beauty , best female thoroughbred in history .
Horse racing rare sport where males and females compete against each other . Not just jockeys -- but horses . How does gender affect their performance ? More dominant male horses than females , seen as taller , stronger , faster . Aussie champion Black Beauty , best female thoroughbred in history .