As a son of champion sprinter Runhappy, So Happy wasn't supposed to be able to get the 1 1/8-mile distance of the Grade 1 $500,000 Santa Anita Derby, but he did, winning the race by 2 3/4 lengths.
As a son of champion sprinter Runhappy, So Happy wasn't supposed to be able to get the 1 1/8-mile distance of the Grade 1 $500,000 Santa Anita Derby, but he did, winning the race by 2 3/4 lengths.