Sirmione, foaled on 25 August 2003, is notable for winning the LKS Mackinnon Stakes at 60-1 during the 2007 spring carnival. He is a bay Thoroughbred gelding by Encosta De Lago from World Guide (NZ) by Defensive Play (USA) that was bred by Mr MF Doyle, Murrulla Stud in New South Wales.
Sirmione was sold as a yearling at the Magic Millions sales on the Gold Coast for $300,000 to Bart Cummings. He is trained by the Cups King, Bart Cummings and raced by owners, Dr J M & Mrs T M Xipell, R Covington & L A & Mrs S J Smith. He went on to run 12th in the Melbourne Cup. Following this he then went on to win the Australian Cup in March 2008 before running third in the BMW at Rosehill. 
During his racing career he has had 34 starts for 4 wins, 2 seconds and 5 thirds for stakes prizemoney of AUD$1,674,375.