[2] His father, Phillip Mitchell, had a considerable career as an amateur jockey.
[1][4] Living on Epsom Downs, practically on The Derby racecourse, the family has produced multiple notable jockeys, going as far back as his grandfather, Cyril Mitchell, who began his career in 1929.
[1][5] His younger brother Freddie is one of the top pony-race jockeys in the country.
In 2009, Mitchell was rushed to hospital after falling from a horse during a race, but was not seriously injured.
[6] Riding a horse named 'Bertoliver', He won the 2010 Investec Entrepreneurial Class "Dash" despite his saddle slipping during the race.