Caroline Wozniacki completes the New York Marathon in just over three hours , 26 minutes . She was joined at the finish line by one of her best pals , fellow tennis player Serena Williams . did Wozniacki 's lengthy season come to an end in Asia . Wozniacki ran for free after saying it was on her ` ` bucket list '' to take part in the race . She was formerly engaged to the world 's top - ranked golfer , Rory McIlroy .
Caroline Wozniacki completes the New York Marathon in just over three hours , 26 minutes . She was joined at the finish line by one of her best pals , fellow tennis player Serena Williams . Wozniacki ran for free after saying it was on her ` ` bucket list '' to take part in the race . She was formerly engaged to the world 's top - ranked golfer , Rory McIlroy .