Anna Shackley (born 17 May 2001) is a British former road and track cyclist from Scotland, who competed professionally between 2021 and 2024 for UCI Women's WorldTeam . She won medals at the under-23 road race of both the European Championships and the World Championships in 2023, before she was forced to retire due to cardiac arrhythmia.
Since her retirement, Shackley has worked as a directeur sportif for UCI Women's Continental Teams and Cynisca Cycling.
At the 2020 British National Track Championships, Shackley won the national titles in the points race and the team pursuit events. She was signed by UCI Women's WorldTeam for the 2021 season.
Shackley was chosen to be part of Great Britain's cycling squad at the postponed 2020 Tokyo Olympics where she would contest the time trial and the road race. She competed at the 2022 Commonwealth Games where she finished 10th in the women's road time trial event and 21st in the women's road race.
In 2023 Shackley competed in the inaugural Tour de l'Avenir Femmes, where she placed 2nd in the final general classification. She also won medals at the under-23 road race of both the European Championships (silver) and the World Championships (bronze) during the season.
Shackley announced her retirement in April 2024 because of her heart condition, cardiac arrhythmia.
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