Isaac Thomas Thornycroft

Isaac Thomas "Tom" Thornycroft (22 November 1881 – 6 June 1955) was an English motorboat racer who competed in the 1908 Summer Olympics representing Great Britain.[1]

Olympic medal record
Men's Water motorsports
Gold medal – first place 1908 London Class B
Gold medal – first place 1908 London Class C

He won two gold medals in the only motor boat competitions included in the Olympics as helmsman of the Gyrinus II, which was designed by his father Sir John Isaac Thornycroft, after the only other entry in both events failed to complete the course.[2]

He became a yacht designer and helmsman of J Class racing yachts.


  1. ^ "Thomas Thornycroft". Olympedia. Retrieved 5 April 2021.
  2. ^ "Thomas Thornycroft Bio, Stats, and Results". Olympics at Archived from the original on 2020-04-17. Retrieved 2019-03-04.

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