[3] At the 1920 Olympic Games, Tuulos won a gold medal in the triple jump.

The 14.50 meter jumps he made during the qualifying round was counted for the main event and were enough for the win.

Tuulos won the British AAA Championships title in the triple jump event and finished third behind Charles Hoff in the long jump event at the 1922 AAA Championships.

[2] The latter result stayed as the European record for over sixteen years, until Kaare Strøm jumped 15.49 metres in 1939.

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