[3] At 19, he joined Bradford Victoria CC and the following year moved to the Yorkshire Road Club.
In 1936 he was the only man to exceed 250 miles in 12 hours in open competition on the road.
[3] In 1937, Heppleston broke the 100-mile, 200-mile and 12-hour records and was again the only man to exceed 250 miles in 12 hours in open competition on the road.
[3] Heppleston's world record 24-hours ride of 478+1⁄2 miles survived until Hubert Opperman beat it in Melbourne on 5 December 1939.
[4] In 1939, as a professional for Hercules, he took 16 minutes off the Edinburgh-London record, riding on a diet that included a soup with raw eggs.