[6] At the 1932 Summer Olympics, Rampling was fourth in his semifinal in the individual 400 metre event and didn't reach the final, but ran the anchor leg to help the British 4 × 400 m relay team win the silver medal, behind the United States.

At the 1934 British Empire Games in London, Rampling won the 440 yd (400 m), and helped the English 4×440 yards relay team to capture the gold medal.

At the 1936 Berlin Olympics, Rampling was again fourth in the semifinals of 400 metre competition and ran the second leg on the British 4 × 400 m relay team which won the gold medal.

Rampling was a Lieutenant Colonel in the Royal Artillery, attached to NATO, until retiring in 1958 after 29 years' service.

[7] He married Isabel Anne (née Gurteen; 1918–2001); their younger daughter Charlotte became a noted model and film actress.