Complex sentence: Trained by Carl Nafzger and ridden by Calvin Borel, after breaking his maiden at Arlington Park, Street Sense finished third in the Arlington-Washington Futurity Stakes and third in the Lane's End Breeders' Futurity behind the winner Great Hunter and Circular Quay.
Split into simpler sentences: Trained by Carl Nafzger and ridden by Calvin Borel, Street Sense broke his maiden at Arlington Park. He then finished third in the Arlington-Washington Futurity Stakes and third in the Lane's End Breeders' Futurity behind Great Hunter and Circular Quay.