In the following year she recorded her biggest victory when she defeated male opposition to take the Takarazuka Kinen and received the JRA Award for Best Older Filly or Mare.

She is from the fourth crop of foals sired by Deep Impact, who was the Japanese Horse of the Year in 2005 and 2006, winning races including the Tokyo Yushun, Tenno Sho, Arima Kinen and Japan Cup.

She was then stepped up into Grade 3 class for the Mermaid Stakes at Hanshin Racecourse on 14 June in which she started the 2.5/1 favourite and finished second of the sixteen runners, beaten three quarters of a lengths Chateau Blanche.

[5][6] After a three and a half month summer break, the filly returned in the Grade 2 Sankei Sho All Comers at Nakayama on 27 September and finished fifth of the fifteen runners behind Shonan Pandora.

On 15 November at Kyoto Racecourse the filly ran for the first time in Grade 1 class when she started a 14.2/1 outsider for the Queen Elizabeth II Cup.

"[7] On her final run of the year, Marialite was one sixteen horses invited to contest the Arima Kinen over 2500 metres 27 December at Nakayama.

She trailed the field in the early stages but then produced a strong finish to take fourth place behind Gold Actor, Sounds of Earth and Kitasan Black.

In the Meguro Kinen Handicap at Tokyo two months later she started the 2/1 favourite but was beaten a neck by the four-year-old colt Cryptogram, to whom she was conceding four pounds in weight.

Duramente started favourite ahead of Kitasan Black and Lovely Day, while the other runners included Satono Crown, Toho Jackal (Kikuka Sho), One And Only (Tokyo Yushun) and Ambitious (Osaka Hai).