Mark O'Shea

IrelandIrelandActive
Events
800 m · 3000 Metres Short Track

Mark O'Shea is a Ireland middle-distance runner. He competes primarily in the 800m, 3000m and 3000m-short-track.

His personal bests include 1:57.15 in the 800m, 8:52.42 in the 3000m, 8:52.42 in the 3000m-short-track, 8:52.42 in the 3000m-short-track and 1:59.33 in the 800m-short-track. He is currently active on the international athletics circuit, representing Ireland.

Personal best · 800 m1:57.15
2026 season best8:52.42Jan 17, 2026 · National Indoor Arena, Abbotstown, Dublin (IRL) (i)
2026 season best
Personal best · 3000 Metres Short Track8:52.42
Last competitionAAI GamesJan 17, 2026 · 8:52.42
AAI Games

As of Nov 14, 2026: 800 m 1:57.15, 3000 Metres Short Track 8:52.42, 2026 season best 8:52.42 (Jan 17, 2026, National Indoor Arena, Abbotstown, Dublin (IRL) (i)) · Last competition: AAI Games, Jan 17, 2026, 8:52.42

Personal bests

WA points calculator →
DisciplineResultAll-time
800mDublin 2015Ireland 800 m all-time list1:57.15833 pts–
3000mIndoorDublin 20268:52.42787 pts–
3000m-short-trackIndoorDublin 20268:52.42787 pts–
3000m-short-trackDublin 20268:52.42787 pts–
800m-short-trackIndoorAthlone 20161:59.33825 pts–
800m-short-track20161:59.33825 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
20263000m Indoor8:52.42–Jan 17, 2026AAI Games
20263000m-short-track 8:52.42–Jan 17, 2026AAI Games
20263000m-short-track Indoor8:52.42–Jan 17, 2026AAI Games
2023800m 2:03.47–Jul 29, 2023Irish Championships
2022800m 1:59.85–May 14, 2022Belfast Irish Milers Meet
2021800m 1:59.95–Aug 4, 2021Mary Peters Track, Belfast (GBR)
2016800m 1:58.28–Jul 22, 2016Dublin (IRL)
2016800m-short-track 1:59.33–Feb 27, 2016–
FAQ

Frequently asked questions

Mark O'Shea's 800 m personal best is 1:57.15, set on Jul 24, 2015 in Dublin (IRL).

Mark O'Shea competes in the 800 m and 3000 Metres Short Track.

2026 season best: 8:52.42, set on Jan 17, 2026 in National Indoor Arena, Abbotstown, Dublin (IRL) (i). Last competition: AAI Games on Jan 17, 2026, 8:52.42.