| Sebastian Grindley | |
| Birth Date: | 24 April 2006 |
| Birth Place: | Wigan, England[1] |
| Height: | 172cm |
| Weight: | 88kg |
| Role: | Rider |
| Amateuryears1: | 2023–2024 |
| Amateurteam1: | Fensham Howes–MAS Design |
| Proyears1: | 2025– |
| Show-Medals: | yes |
Sebastian Grindley (born 24 April 2006) is a British road cyclist who rides for UCI Continental team . In 2024, he was runner up in the Junior Road Race World Championships. He is the son of sprinter and Olympic medalist David Grindley.
He is from Stockton Heath and attended The Grange School, Northwich. He is a member of North Cheshire Clarion Cycling Club in Warrington. He became national U14 champion when he won the cyclocross title in 2020. He became the British Cyclocross Champion at under-16 level in 2022.[2]
He was selected the European Youth Olympic Festival (EYOF) in Slovakia in July 2022 at the age of 16 years-old, winning bronze in the time trial and finishing twelfth in the road race.[3]
For the 2023 season he stepped up to juniors with the Fensham Howes MAS Design Junior Team. He won the British 2023 Junior Cyclocross Championship, and finished runner-up in the British junior road race. He placed eighth at the Junior World Championahops road race in Glasgow.[4]
In August 2024, he won the junior Tour of Wales.[5] In September 2024, he won silver in the UCI Road World Championships – Junior men's road race in Zurich.[6] [7] Shortly afterwards, he signed for UCI Continental team .[8]
He is the son of Zoe and David Grindley, a track and field athlete won a bronze medal at the 1992 Olympic Games in the 4x400 metres relay. He has a sister, Elizabeth.[9]