William Bjergfelt

William Bjergfelt (born 4 December 1978) is a British cyclist who competes in road and track events. In para-cycling, he has won a medal in the Track and UCI Para-cycling Road World Championships. He rode for the UCI Continental team .

Early and personal life William Bjergfelt was born in Portishead, Somerset, England on 4 December 1978. Parallel to his cycling career, he works as an engineer.

Career Prior to turning to para-cycling, Bjergfelt was active in able-bodied cycling, first in elite mountain bike racing, before switching to road racing. This ended in 2015 when he was injured in a head-on collision that shattered his right leg in to 25 pieces. The bones of this leg were reconstructed using three titanium plates. In 2021, he became the first para-cyclist to compete in the Tour of Britain. After a two-year hiatus, Bjergfelt returned to para-cycling and won his first road race in the World Cup, which took place in the Ostend round. At the 2023 UCI Para-cycling Road World Championships, he won the gold medal in the road race.

In August 2025, Bjergfelt broke the hour record in the C5 classification at Konya Velodrome, becoming the first Para-cyclist in history to pass the 50km threshold, eventually riding 51.471km in 60:00:00.