Seaman (1) Horses | Last ran in 1856 Born - 1848 Seaman (1) Grand National Wins Seaman (1) has never won the Grand National.Their best finish to date was in 1856 where they came 10th. They were ridden by F Martin and trained by F Martin. Full Results Year Result Prize Money Handicap Jockey Trainer 1856 10 - 10-4 F Martin F Martin