jezki began his racing career in national hunt flat races beginning with an event restricted to four-year-olds at leopardstown racecourse on 28 january 2012. starting at odds of 4/1 he took the lead in the closing stages and won by three quarters of a length from ned buntine. he followed up at the same course on 4 march, beating the big easy by two lengths and was then sent to england to contest the grade i champion bumper at the cheltenham festival ten days later. ridden by robbie power he started at 12/1 and finished eighth of the twenty runner behind champagne fever.