Prix Foy
Dayakana made her first appearance of 2010 in the Prix Corrida in May. She finished strongly but lost her unbeaten record as she finished third to Plumania. In July she again finished third to Plumania in the Grand Prix de Saint-Cloud. Later that month she was sent to Britain for the King George VI and Queen Elizabeth Stakes. She finished fourth behind Harbinger, Cape Blanco and Youmzain, ahead of The Derby winner Workforce. On her final appearance she finished fifth of the six runners behind John Gosden's Duncan in the Prix Foy.