Mr Queens Mystery drove to a half-length win over Mighty Corona in the $1,154,802 Texas Classic Futurity for Quarter Horses at Lone Star Park on Saturday night. The race was the richest run this year in Texas. Mr Queens Mystery ($13) covered the 400 yards for 2-year-olds in 19.61 seconds. Rodrigo Vallejo rode the winner for Azoom LP and trainer Robert Touchet. For the win, Mr Queens Mystery earned $513,888. The Texas Classic, which is a Grade 1, closed out the Quarter Horse meet at Lone Star.