Koselio

Koselio is a five-year-old bay gelding from the United States, trained by Kelli Martinez. This horse is the offspring of the stallion Upstart and the mare Betty’s Wish. Throughout its racing career, Koselio has achieved two victories. The most notable win occurred on August 18, 2024, at Prairie Meadows when jockey Alberto Pusac rode Koselio to victory in a $14,280 Starter Allowance race, beating Grey Storm.