オークローンパーク競馬場
On February 2, Tiago made his second start of 2008 in the Grade 2 Strub Stakes at Santa Anita. He finished second, beaten 4½ lengths by Monterey Jazz. Afterwards, his trainer, John Shirreffs, said that he was pleased with the colt's effort. On March 1, Tiago finished a fast-closing fourth behind Heatseeker, Go Between, and Champs Elysees in the Grade 1 Santa Anita Handicap at Santa Anita Park. On April 5, Tiago earned his first victory as a four-year-old when he captured the Grade 2 Oaklawn Handicap at Oaklawn Park Race Track in Hot Springs, Arkansas, by a head over Heatseeker after a stretch duel.