Tournament to 2nd place – First round– lost to later Silver medalist Chester NewtonUnited States(USA). (→ did not advance, 10. place)
After Olympics he didn't return to home, but arrived, according to The Estonian Archives in Australia (EAA), 16 February 1925 from Campbeltown to Adelaide, Australia on the four-masted Barque"Carthpool" (Sister ship of Lawhill).
In Australia within the first fortnight of his career as a professional wrestler Koolmann won in seven successive championship matches, two state championships, three Victorian and two Australasian amateur championships.[3]
He won Australian middleweight championstitle from Hughie Whitman.[4]
15 October 1928 he moved to New Zealand and got citizenship in 1933.
In the late 1930s, he trained many New Zealand wrestling champions in his Koolman's Gym in Wellington. Among them Ernie "Kiwi" Kingston and from 1951 Maori professional heavyweight wrestler Keita Meretana of Wairoa.
Kuningas, Tiit; Tiit Lääne (2005). Olümpiamängude ajalugu II, suvemängud 1920-1944 (en: History of the Olympic Games II Summer Games 1920-1944) (in Estonian). Tallinn: Maalehe Raamat. ISBN9985-64-255-4.
^WORLD'S RECORD ESTABLISHED. Seven Successive Championships. ...conceded by the visiting American wrestlers to be unique in wrestling history., The Argus, Monday 14 June 1926 p. 6