Niamh O'Mahony

Niamh O'Mahony

IrelandIrelandActive
Born
Aug 10, 2002 (24 years old)
Events
5000 Metres Short Track · 10 000 m

Niamh O'Mahony is a Ireland middle-distance runner, born on August 10, 2002. She competes primarily in the 1500m, 3000m and 3000m.

Her personal bests include 4:48.10 in the 1500m, 9:52.27 in the 3000m, 9:43.59 in the 3000m, 16:44.22 in the 5000m and 16:42.35 in the 5000m. She is currently active on the international athletics circuit, representing Ireland.

Personal best · 5000 Metres Short Track16:42.35
2026 season best17:18.35Mar 6, 2026 · Reggie Lewis Center, Boston, MA (USA) (i)
2026 season best
Personal best · 10 000 m34:50.91
Last competitionIrish 10 Mile Road Running Championships, Phoenix Park, DublinJul 19, 2026 · 58:30
Irish 10 Mile Road Running Championships, Phoenix Park, Dublin

As of Nov 6, 2026: 5000 Metres Short Track 16:42.35, 10 000 m 34:50.91, 2026 season best 17:18.35 (Mar 6, 2026, Reggie Lewis Center, Boston, MA (USA) (i)) · Last competition: Irish 10 Mile Road Running Championships, Phoenix Park, Dublin, Jul 19, 2026, 58:30 · 24 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
1500mCork 2018Ireland 1500 m all-time list4:48.10850 pts––
3000m2018Ireland 3000 m all-time list9:52.27938 pts––
3000mIndoorMA 20269:43.59984 pts–#911
5000mRI 2025Ireland 5000 m all-time list16:44.22970 pts––
5000mIndoorMA 202316:42.35994 pts–#393
10000mNC 2025Ireland 10 000 m all-time list34:50.91994 pts–#708

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
20263000m Indoor9:43.59–Jan 17, 2026Beantown Challenge
20263000m-short-track 9:43.59–Jan 17, 2026Beantown Challenge
20263000m-short-track Indoor9:43.59–Jan 17, 2026Beantown Challenge
20265000m Indoor17:18.35–Mar 6, 2026NEICAAA Indoor Track & Field Championships
20265000m-short-track Indoor17:18.35–Mar 6, 2026NEICAAA Indoor Track & Field Championships
202610000m 35:18.78–May 14, 2026Big East Outdoor Track and Field Championships
202610MilesRoa 58:30–Jul 19, 2026Irish 10 Mile Road Running Championships, Phoenix Park, Dublin
20255000m 16:44.22–Apr 11, 2025Friar Invitational, Ray Treacy Track at Hendricken Field, Providence, RI
Compare me with Niamh O'Mahony
FAQ

Frequently asked questions

Niamh O'Mahony's 5000 Metres Short Track personal best is 16:42.35, set on Jan 28, 2023 in Boston Univ. Track & Tennis Center, Boston, MA (USA) (i).

Niamh O'Mahony competes in the 5000 Metres Short Track and 10 000 m.

2026 season best: 17:18.35, set on Mar 6, 2026 in Reggie Lewis Center, Boston, MA (USA) (i). Last competition: Irish 10 Mile Road Running Championships, Phoenix Park, Dublin on Jul 19, 2026, 58:30.