Zac Purton is pushing to return to the races at Happy Valley on January 5 after seeing a specialist on Tuesday to assess the injuries he sustained in Sundays brutal fall in the Hong Kong Sprint at Sha Tin.Purton escaped the carnage with fractures to the ribs, nose and wrist and while he admits its an ambitious target, he will be doing everything in his power to limit his time out of the saddle.I saw the specialist today a