Results for Great Britain in 400 metres Breaststroke, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1912 Summer Olympics	Percy Courtman	3	Bronze
	George Innocent	AC h2 r2/3
	Sam Blatherwick	DNS
1920 Summer Olympics	George Robertson	3 h3 r1/3
	Rex Lassam	4 h1 r1/3