Meisho Mambo is a bay mare with a white sock on her right hind leg bred in Japan by Kosho Bokujo, the breeding farm of her owner Yoshio Matsumoto.

On 10 March she moved back up in class for the Grade II Fillies' Revue (a trial race for the Oka Sho) over 1400 metres at Hanshin and started the 3.4/1 third favourite in sixteen-runner field.

[6] In the Oka Sho (the first leg of the Triple Crown) on 7 April the filly started the 7.7/1 fifth choice in the betting but finished only tenth behind Ayusan, who won by a neck from Red Oval.

On 19 May Meisho Mambo was moved up in distance for the Grade I Yushun Himba over 2400 metres at Tokyo Racecourse and started a 28/1 outsider in an eighteen-runner field.

After positioning Meisho Mambo in mid-division along the rail, Koshiro Take switched the filly to the right to make a challenge down the centre of the track in the straight.

The third leg of the Triple Crown, the Shuka Sho was run over 1200 metres at Kyoto on 13 October and Meisho Mambo started the 4.2/1 third favourite behind Denim and Ruby and Smart Layer.

"[10] At Kyoto on 10 November Meisho Mambo was matched against older fillies and mares for the first time in the Queen Elizabeth II Commemorative Cup over 2200 metres and started 2.9/1 second favourite behind the four-year-old Verxina the winner of the 2013 Victoria Mile.

Racing on soft ground on a rainy day she came from well off the pace to take the lead 200 metres from the finish and won by one and a quarter lengths and a neck from Lachesis and Aromatico.

Meisho Mambo began her third season by taking on male opposition in the Osaka Hai in April and finishing seventh of the eight runners behind Kizuna.