Isabelle O`Reilly

IrelandIrelandActive
Events
Marathon · Mile

Isabelle O`Reilly is a Ireland middle-distance runner. She competes primarily in the Mile, 3000m and Marathon.

Her personal bests include 5:15.16 in the Mile, 9:59.42 in the 3000m and 2:58:32 in the Marathon. She is currently active on the international athletics circuit, representing Ireland.

Personal best · Marathon2:58:32
2026 season best5:14.50May 29, 2026
2026 season best
Personal best · Mile5:15.16
Last competitionNational Juvenile ChampionshipsJun 28, 2026 · 10:23.66
National Juvenile Championships

As of Nov 14, 2026: Marathon 2:58:32, Mile 5:15.16, 2026 season best 5:14.50 (May 29, 2026) · Last competition: National Juvenile Championships, Jun 28, 2026, 10:23.66

Personal bests

WA points calculator →
DisciplineResultAll-time
MileTullamore 2025Ireland Mile all-time list5:15.16817 pts–
3000mTullamore 2026Ireland 3000 m all-time list9:59.42916 pts–
MarathonDublin 2025Ireland Marathon all-time list2:58:32868 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
20261500m-short-track 5:14.50–May 29, 2026All Ireland Schools Track & Field
20263000m 9:59.42–May 30, 2026All Ireland Schools Track & Field
2025Mile 5:15.16–May 13, 2025Leinster Schools Track & Field Championships
2025Marathon 2:58:32–Oct 26, 2025Irish Life Dublin Marathon
FAQ

Frequently asked questions

Isabelle O`Reilly's Marathon personal best is 2:58:32, set on Oct 26, 2025 in Dublin (IRL).

Isabelle O`Reilly competes in the Marathon and Mile.

2026 season best: 5:14.50, set on May 29, 2026. Last competition: National Juvenile Championships on Jun 28, 2026, 10:23.66.