Marksmanship is set to contest one of the Derby Trials after an impressive winning debut in the 1m2f maiden at the Curragh.

Joseph O'Brien produced the son of Galileo with a well-timed run to lead at the furlong pole.

The Ballydoyle colt strode clear in good style inside the final furlong to post a two-and-a-half length victory over 5/2 favourite Notable Graduate

The winner was landing something of a gamble after being backed from 7/1 into 100/30 second choice on course.

"He did it nicely and I'm delighted with him. He was drawn badly but travelled well," said O'Brien.

"He looked a clear cut winner over some fancied horses and we'll look at a Derby trial for him now.

"Being by Galileo a step up in trip shouldn't be a problem for him."