Derek Mandell
GuamActive- Born
- Sep 18, 1986 (40 years old)
- Events
- 800 m · 1500 m
Derek Mandell is a GUM middle-distance runner, born on September 18, 1986. He competes primarily in the 800m, 1500m and 5000m.
His personal bests include 1:56.51 in the 800m, 4:02.81 in the 1500m, 16:23.48 in the 5000m and 1:15:05 in the Semi. He has earned 1 gold medal in major international competitions. He is currently active on the international athletics circuit, representing GUM.
Personal best · 800 m1:56.51
2026 season best4:27.65May 30, 2026 · John F. Kennedy High School Track, Tamuning
Personal best · 1500 m4:02.81
Last competitionGuamian Outdoor ChampionshipsMay 30, 2026 · 4:27.65
As of Oct 27, 2026: 800 m 1:56.51, 1500 m 4:02.81, 2026 season best 4:27.65 (May 30, 2026, John F. Kennedy High School Track, Tamuning (GUM)) · Last competition: Guamian Outdoor Championships, May 30, 2026, 4:27.65 · 40 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 1500m | 4:27.65 | – | May 30, 2026 | Guamian Outdoor Championships |
| 2026 | 5000m | 17:44.39 | – | May 30, 2026 | Guamian Outdoor Championships |
| 2022 | 5000m | 16:23.48 | – | Jun 23, 2022 | Pacific Mini Games |
| 2022 | CrossCount | 35:31 | – | Oct 29, 2022 | Oceania Cross Country Championships |
| 2022 | Semi | 1:28:18 | – | Jun 25, 2022 | Pacific Mini Games |
| 2019 | 1500m | 4:07.13 | – | Jul 17, 2019 | Pacific Games |
| 2019 | 5000m | 16:26.26 | – | Jul 18, 2019 | Pacific Games |
| 2019 | Semi | 1:15:05 | – | Jul 20, 2019 | Pacific Games |