Jon Newbold

SULPHUR SPRINGS, Texas — The head trainer is the guy who prepared 2009 Horse of the Year Rachel Alexandra to be a racehorse. He and his two assistant trainers combine for more than 100 years of experience and the development of more than 300 stakes horses. Yearlings and weanlings romp in undulating pastures. Two-year-olds learning the fundamentals and older horses coming off layoffs gallop and work over a traditional training track as well as lope up a 1 3/8-mile turf gallop. The spacious barns have vaulted ceilings featuring skylights that...