In his three-year-old season, Sweetnorthernsaint trained at Laurel Park Racecourse in Maryland for trainer Michael Trombetta.
He completed the 1-1/8-mile assignment in 1 minute and 49 4/5 seconds to earn the winner's share of $300,000 for owners Joseph J. Balsamo and Ted Theos.
Barbaro, winner of the Florida Derby, won by six lengths as Sweetnorthernsaint faded to sixth in the full field of twenty colts.
After the Preakness, Sweetnorthernsaint won an allowance race at Laurel and the Odessa Stakes at Delaware Park Racetrack.
As a six-year-old, the gelding won the 2009 edition of the Wadsworth Memorial Handicap at 9 furlongs at Finger Lakes Race Track.