He competed in both events open to men, taking the bronze medal in the York rounds and 15th place in the Continental style.
American track & field athletes continued to dominate the sport, taking more than twice as many championships as the next most successful nation, host Great Britain.
Gaidzik made it to the finals in both diving events, after a successful protest in the platform competition.
He won a bronze medal in the springboard after tying with the third-place German diver.
In the jeu de paume competition, Gould won the gold medal while Sands was eliminated in the first round by the eventual silver medallist.