Ostrolenka is a 10 year old horse and has raced from 2014 to 2018. He was sired by Musket Man out of the Louis Quatorze mare Pumpkin's Pride. He was trained by Michael Tannuzzo and has raced for David Jacobson, and was bred in New York, United States by Eric Fein. Ostrolenka has raced and won at Aqueduct, Belmont Park, Finger Lakes, Monmouth Park, Saratoga. His stakes wins include wins in the 2017 Hudson (RS), 2015 Mike Lee (RS), and the 2014 Sleepy Hollow (RS).