Tokyo Olympics hopeful Tyler Gunn, is in red hot form ahead of the Country Championships at Mingara.
The 21 year-old posting a training video, in preparation for tomorrow’s event.
He will also compete in the 4 x 100 relay with his Gosford team mates.
The Australian rep has been in scintillating form – with a win at the Hunter Challenge and a second – at the recent ACT State Championships in a time of 46 point 62.