[2] Mickey Free was an imported stallion, sired by Irish Birdcatcher and out of the mare Annie by Wanderer.
[6] On June 10, 1868, he placed third in the Hopeful Stakes, a 5 furlongs (1.0 kilometer) race for two-year-olds.
[10] In his last race as a two-year-old, he won a handicap sweepstakes on October 10 at a distance of 1 mile (1.6 kilometers).
[12] His trainer was Jacob Pincus and he won the race in a time of 3 minutes and 4.25 seconds.
[1][13] The track was rated as heavy, and the race was at a distance of 1+5⁄8 miles (i.e. 13 furlongs (2,600 metres)) on June 5.
[17][18] Retrained for steeplechasing and owned by J.B. Burstall, Fenian was second in the Military and Navy Stakes run at Emsworth in April 1872.
[20] His claim to fame is that he is the horse that appears on top of the Belmont Stakes trophy.