Tom Pedulla presents five takeaways from the weekend in horse racing, including Kentucky Derby preparations and the results of the Sword Dancer Stakes at Saratoga and other major races:

Held at seven-eighths of a mile at the sunny seaside track called Del Mar, the $150,000, Grade 2 Pat O’Brien Stakes is a race in which pure sprinters routinely face off against longer-winded opponents cutting back in distance.