Lucy Hadaway (born June 11, 2000) is a British track and field athlete who competes in the long jump. She won the 2026 British Indoor Athletics Championships.
She is a member of the City of York Athletic Club. She was a bronze medallist in the 2017 Commonwealth Youth Games. She finished sixth in the long jump at the World Athletics U20 Championships in Tampere in 2018 with a jump of 6.13 metres. She was a bronze medalist at the 2021 European Athletics U23 Championships in Tallinn, Estonia with a jump of 6.63 metres.
She jumped a personal best 6.73 metres in May 2023 in Cyprus. She was selected for the British team for the 2023 European Athletics Team Championships held in Chorzów, Silesia, Poland between 20 and 25 June 2023, placing sixth with a jump of 6.43 metres as the British team placed fifth overall. She finished third at the 2023 British Athletics Championships in Manchester. In October 2023, she was included in the recipients of UK Athletics funding.
She won the England Athletics Championships title in July 2025 with a jump of 6.50 metres. She again jumped 6.50 metres (+3.8) to place second behind Jazmin Sawyers at the 2025 UK Athletics Championships.
Hadaway jumped 6.45 metres to win her first national title at the 2026 British Indoor Athletics Championships in Birmingham on 14 February 2026, finishing ahead of Alice Hopkins and Molly Palmer.