Dean Williamson
- Events
- Marathon · Half Marathon
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.
Personal best · Marathon2:12:55
2025 season best2:17:47Oct 26, 2025 · Frankfurt
Personal best · Half Marathon1:05:25
Last competitionMainova Frankfurt Marathon, FrankfurtOct 26, 2025 · 2:17:47
As of Oct 27, 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
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 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) |