Sophie Delderfield

Sophie Delderfield

Born
Apr 8, 1983 (43 years old)
Events
Half Marathon · Marathon

Sophie Delderfield is a United Kingdom long-distance runner, born on April 8, 1983. He competes primarily in the Semi, Marathon and 5Kilometre.

His personal bests include 1:17:35 in the Semi, 2:50:41 in the Marathon, 17:57 in the 5Kilometre, 37:58 in the 10Kilometr and 1:02:09 in the 10MilesRoa. He is currently active on the international athletics circuit, representing United Kingdom.

Personal best · Half Marathon1:17:35
2025 season best17:57Mar 15, 2025 · Leicester
Personal best · Marathon2:50:41
Last competitionMaratón Valencia Trinidad Alfonso Zurich, ValenciaDec 7, 2025 · 2:50:41

As of Nov 13, 2026: Half Marathon 1:17:35, Marathon 2:50:41, 2025 season best 17:57 (Mar 15, 2025, Leicester (GBR)) · Last competition: Maratón Valencia Trinidad Alfonso Zurich, Valencia, Dec 7, 2025, 2:50:41 · 43 years old

DisciplineResultAll-time
MarathonValencia 2025United Kingdom Marathon all-time list2:50:41514 pts–
5KilometreLeicester 202517:57–
10KilometrAylesbury 201937:58–
10MilesRoaPortsmouth 20191:02:09–

Progression

SeasonDisciplineResultWindDateCompetitions
20255Kilometre 17:57–Mar 15, 2025Podium Festival
2025Marathon 2:50:41–Dec 7, 2025Maratón Valencia Trinidad Alfonso Zurich, Valencia
2024Semi 1:19:58–Mar 10, 2024TotalEnergies Medio Maratón de Málaga
2022Semi 1:18:30–Feb 27, 2022–
2022Marathon 2:51:43–May 29, 2022Edinburgh (GBR)
2021Semi 1:20:03–Nov 7, 2021–
2020Semi 1:17:35–Mar 1, 2020The Vitality Big Half
201910Kilometr 37:58–Aug 4, 2019Aylesbury (GBR)
FAQ

Frequently asked questions

Sophie Delderfield's Half Marathon personal best is 1:17:35, set on Mar 1, 2020 in London (GBR).

Sophie Delderfield competes in the Half Marathon and Marathon.

2025 season best: 17:57, set on Mar 15, 2025 in Leicester (GBR). Last competition: Maratón Valencia Trinidad Alfonso Zurich, Valencia on Dec 7, 2025, 2:50:41.