[1][2] Born in Leeds, England in 1907, he won the 1928 Scott Trial and raced in the senior 1927 and 1928 Isle of Man TT.
[3] He rode for Leeds in the 1929 season before returning to Belle Vue the following year, remaining with the club for the rest of his career.
[3] After retiring from the sport he returned to Belle Vue in May 1946 to replace the injured Bill Pitcher, scoring a full maximum in his first match back, averaging 10.93 in his comeback season and finishing fourth in the British Riders Championship, the team also winning the National Trophy again that year.
Bonus points accumulated by Langton and Van Praag took them to the top of the standings and into a run-off (Match Race).
[8] Van Praag reportedly paid Langton £50 "conscience money" after the race for going back on the agreement.