Amy's Challenge ($3.80) was a dominant winner over Shanghai Tariff in the $100,000 Spring Fever on Saturday at Oaklawn. She covered five and a half furlongs on a fast track in 1:03.10. 

Amy's Challenge and Shanghai Tariff raced together through fractions of 22.20 seconds for the opening quarter and 45.22 for the half-mile, with Amy's Challenge moving clear of her rivals through the stretch. Alex Canchari was aboard the winner for trainer Mac Robertson. 

For a clip of the race: https://twitter.com/DRFRampellini/media