On The Mark GSF is a 2019 gelding by On Target GSF out of Signature GSF by Sinclair B. This very fancy colt has lots of potential and athletic ability. On The Mark GSF has a curious, friendly nature. He is very tractable and trainable. He has three good gaits with lots of hind leg activity. He is very balanced and swaps leads with split-second timing. He will be very competitive in the show ring.