Sam Houston will launch a 20-date meet for Quarter Horses on Wednesday. The dates were transferred to the Houston track from Retama Park near San Antonio.
Retama is undergoing repairs from a winter ice storm in February.
Sam Houston will race through Aug. 7.
The TQHA Sale Futurity and Retama Park Derby, which are both $100,000-added races – will share a card July 31. The Texas Summer Showdown program of six stakes for Texas-breds is July 30.