Carry On Katie is a brown mare with a narrow white blaze foaled in Kentucky and bred by the County Kildare-based Swordlestown Stud.

[2] Carry On Katie's dam Dinka Raja, was an unraced daughter of Woodman and a great-granddaughter of the outstanding racemare Cawston's Pride whose other descendants have included Solinus and Kostroma.

[4] The filly entered the ownership of Edward St George's[5] Lucayan Stud and was sent into training with Jeremy Noseda at Newmarket.

[7] Carrie On Katie was moved up in class for the Group Two Lowther Stakes at York Racecourse on 21 August in which she was ridden by Frankie Dettori.

"[9] On 2 October, Carry On Katie was moved up to Group One class for the Cheveley Park Stakes at Newmarket Racecourse and started 13/8 favourite against nine opponents.

[10] The favourite took the lead after two furlongs and stayed on well under pressure[11] in the closing stages to win by a short head from Majestic Desert with Badminton a length and three quarters back in third.

[13] Carry on Katie spent the winter in Dubai, where she had an unusual training regime, working alone with her pony companion rather than galloping against other horses.

[14] On her first public appearance in the Godolphin colours Carry On Katie started the 7/1 fourth choice in the betting for the 191st running of the 1000 Guineas over the Rowley Mile at Newmarket on 2 May.