Thomas Diamond

Thomas Diamond

AustraliaAustraliaActive
Born
Jul 20, 2004 (22 years old)
Events
Mile · 3000 m

Thomas Diamond is a Australia middle-distance runner, born on July 20, 2004. He competes primarily in the 800m, 1500m and Mile.

His personal bests include 1:54.24 in the 800m, 3:38.15 in the 1500m, 3:55.33 in the Mile, 3:52.49 in the Mile and 7:57.13 in the 3000m. He is currently active on the international athletics circuit, representing Australia.

Personal best · Mile3:55.33
2026 season best3:55.33Jan 16, 2026 · Dempsey Indoor, Seattle, WA
Personal best · 3000 m7:57.13
Last competitionMorton GamesJul 10, 2026 · 3:40.69

As of Nov 6, 2026: Mile 3:55.33, 3000 m 7:57.13, 2026 season best 3:55.33 (Jan 16, 2026, Dempsey Indoor, Seattle, WA (USA)) · Last competition: Morton Games, Jul 10, 2026, 3:40.69 · 22 years old

DisciplineResultAll-time2026
800mCO 2024Australia 800 m all-time list1:54.24909 pts––
1500mOR 2026Australia 1500 m all-time list3:38.151,132 pts–#253
MileWA 2026Australia Mile all-time list3:55.331,133 pts–#63
MileIndoorWA 20263:52.491,229 pts–#23
3000mSydney 2022Australia 3000 m all-time list7:57.131,073 pts––
3000mIndoorWA 20257:52.781,122 pts––

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
20261500m 3:38.15–Jun 21, 2026Portland Track Festival
2026mile-short-track Indoor3:52.49–Feb 13, 2026–
2026Mile Indoor3:52.49–Feb 13, 2026Husky Classic, Dempsey Indoor, Seattle, WA (i)
2026Mile 3:55.33–Jan 16, 2026UW Preview
2026DistanceMe Indoor9:17.03–Feb 20, 2026Arkansas Qualifier
20265000m 14:01.43–Apr 3, 2026Stanford Invitational
2025Mile Indoor3:55.53–Feb 15, 2025Husky Classic, Dempsey Indoor, Seattle, WA (i)
20253000m Indoor7:52.78–Jan 31, 2025UW Invitational
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FAQ

Frequently asked questions

Thomas Diamond's Mile personal best is 3:55.33, set on Jan 16, 2026 in Dempsey Indoor, Seattle, WA (USA).

Thomas Diamond competes in the Mile and 3000 m.

2026 season best: 3:55.33, set on Jan 16, 2026 in Dempsey Indoor, Seattle, WA (USA). Last competition: Morton Games on Jul 10, 2026, 3:40.69.