"They are all conscious and able to walk but Todd MacFarlane has a suspected arm injury and possible concussion, Matthew White has grazing and will be checked for concussion, Jay Abernethy a possible wrist injury and David Butcher appears to only have bruising."
The race was abandoned but the remaining two races on the card were able to be held, albeit delayed.
The smash came three days after Ricky May stunned the racing industry when collapsing in the sulky when driving leader A G's White Socks in the Central Otago Cup at Omakau.
May was flown to Dunedin Hospital but has so far made a remarkable recovery and was yesterday able to sit up in a chair in his hospital room and talk to his family, with his memory of the race day starting to return.
"He was even back to one of his old vices, eating chocolate, which is a really good sign," said close friend Laurence Hanrahan.