2010: two-year-old season Masked Marvel began his career by winning a maiden race at
Sandown, staying on strongly to lead close home and win by two lengths. He was immediately stepped up into Group race company, finishing sixth to Abjer in the
Autumn Stakes at Ascot.
2011: three-year-old season He began his three-year-old season by finishing fifth in the
Sandown Classic Trial behind Genius Beast. Gosden later said that the colt was unsuited by the "tacky" ground. Masked Marvel then moved into
Classic contention by beating Namibian by three lengths in the
Cocked Hat Stakes, after which he was offered at 33–1 for the Derby. His trainer spoke positively of the colt, saying that, "he stays well and I like the way he quickened". by the course- and finished eighth of the thirteen runners, beaten just under nine lengths by
Pour Moi. A month later, Masked Marvel re-appeared in the Bahrain Trophy at Newmarket, where he held off Census by a head in a tight finish to record his first Group race win. Despite the closeness of the finish, his rider
Jimmy Fortune felt that the colt had more in reserve and was just "idling" in front. He was then rested and did not run again for ten weeks. The St Leger was run at an unusually strong pace, making it a thorough test of stamina. Masked Marvel passed the
Ballydoyle contender Seville two furlongs from home, opened up a clear lead, and stayed on strongly to win by three lengths from Brown Panther and
Sea Moon in a race record time of 3:00.44. His rider, William Buick, who had been suspended for the colt's run at Newmarket, reported that Masked Marvel finished so well that he had difficulty pulling up. By a notable coincidence, the Gosden stable won the
Irish St Leger less than an hour later when their gelding,
Duncan dead-heated with Jukebox Jury at the
Curragh On 29 September Masked Marvel was a supplementary entry to the
Prix de l'Arc de Triomphe for a fee of €100,000. The race had been the target for his stable companion
Nathaniel who was withdrawn because of the firm ground at
Longchamp. In the race, Masked Marvel raced prominently, but faded in the straight and finished last of the sixteen runners behind
Danedream.
2012: four-year-old season Masked Marvel began his four-year-old season in the
Jockey Club Stakes at Newmarket. He led in the early stages but faded in the straight and finished seventh of the eight runners behind Al Kazeem. At Epsom on 2 June he finished third behind
St Nicholas Abbey in the
Coronation Cup. His form then deteriorated as he finished unplaced in the
King George VI and Queen Elizabeth Stakes,
Geoffrey Freer Stakes and
Doncaster Cup.
2013/2014: four-year-old season Masked Marvel was sold and exported to race in Australia. On his debut for his new connections he finished last in the
Makybe Diva Stakes at
Flemington Racecourse in September. ==Race record==