DW

Dean Williamson

GBRGBRMen
Birth date-
Height-
Weight-

Dean Williamson is a United Kingdom long-distance runner. He competes primarily in the 5000m, Semi and Marathon.

His personal bests include 15:19.01 in the 5000m, 1:05:25 in the Semi, 2:12:55 in the Marathon and 14:32 in the 5Kilometre. He is currently active on the international athletics circuit, representing United Kingdom.

Key facts
Marathon
2:12:55
Half Marathon
1:05:25
2025 season best
2:17:47
Oct 26, 2025 · Frankfurt (GER)
2025 season best
Last competition
Mainova Frankfurt Marathon, Frankfurt
Oct 26, 2025 · 2:17:47
Mainova Frankfurt Marathon, Frankfurt

As of Sep 12, 2026: Marathon 2:12:55, Half Marathon 1:05:25, 2025 season best 2:17:47 (Oct 26, 2025, Frankfurt (GER)) · Last competition: Mainova Frankfurt Marathon, Frankfurt, Oct 26, 2025, 2:17:47

PB

Personal bests

15:19.01
1:05:25
2:12:55
14:32

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2025
5Kilometre
14:32-Jun 25, 2025
↑
Top Flight by RunThrough - Battersea ChaseTheSun 5k
2025
Semi
1:05:25-Oct 5, 2025
↑
Oysho Cardiff Half Marathon, Cardiff
2025
Marathon
2:17:47-Oct 26, 2025
↓
Mainova Frankfurt Marathon, Frankfurt
2024
Semi
1:07:48-Feb 18, 2024
↑
Cyprus Half Marathon Championships
2024
Marathon
2:20:06-Oct 27, 2024
↓
Mainova Frankfurt Marathon
2022
5Kilometre
14:35-May 1, 2022
↑
-
2022
5000m
15:19.01-Jul 30, 2022-England Athletics Senior Championships, Bedford Athletic Stadium, Bedford
2022
Semi
1:07:15-Jun 12, 2022
↑
Swansea (GBR)
2022
Marathon
2:12:55-Apr 3, 2022
↓
Manchester (GBR)
2021
Semi
1:05:41-Apr 25, 2021
↑
-

2025

3 performances
DisciplineResultWindDateCompetitions
Marathon
2:17:47-Oct 26Mainova Frankfurt Marathon, Frankfurt
Semi
1:05:25-Oct 5Oysho Cardiff Half Marathon, Cardiff
5Kilometre
14:32-Jun 25Top Flight by RunThrough - Battersea ChaseTheSun 5k

2024

3 performances
DisciplineResultWindDateCompetitions
Marathon
2:20:06-Oct 27Mainova Frankfurt Marathon
10000m
DNF-May 18Night of the 10,000m PBs, Parliament Hill Fields Athletics Track, London
Semi
1:07:48-Feb 18Cyprus Half Marathon Championships

2022

4 performances
DisciplineResultWindDateCompetitions
5000m
15:19.01-Jul 30England Athletics Senior Championships, Bedford Athletic Stadium, Bedford
Semi
1:07:15-Jun 12Swansea Half Marathon, Swansea
5Kilometre
14:35-May 1Cardiff 5K - Race For Victory, Cardiff
Marathon
2:12:55-Apr 3Therme Manchester Marathon, Manchester

2021

1 performance
DisciplineResultWindDateCompetitions
Semi
1:05:41-Apr 25Cheshire Elite Half Marathon, Pulford

Honours

No medals

FAQ

Frequently asked questions

What is Dean Williamson's Marathon personal best?

Dean Williamson's Marathon personal best is 2:12:55, set on Apr 3, 2022 in Manchester (GBR).

Which events does Dean Williamson compete in?

Dean Williamson competes in the Marathon and Half Marathon.

How did Dean Williamson perform in 2025?

2025 season best: 2:17:47, set on Oct 26, 2025 in Frankfurt (GER). Last competition: Mainova Frankfurt Marathon, Frankfurt on Oct 26, 2025, 2:17:47.