I'm Box Office

I’m Box Office is a 5-year-old chestnut mare from the United States, trained by Chris Block. She is the offspring of the stallion California Chrome and the mare Askbut I Won’ttell. Throughout her career, I’m Box Office has achieved one victory. On June 22, 2023, at Hawthorne, she was ridden by Victor Santiago and secured her biggest win to date, claiming victory in the $22,225.00 Maiden Special Weight race, beating Patience Worth.