Catherine O'Connor

IRLWomen

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Catherine O'Connor is a Ireland middle-distance runner. She competes primarily in the 800m, Mile and 3000m.

Her personal bests include 2:18.56 in the 800m, 5:11.88 in the Mile, 9:39.84 in the 3000m, 17:40.73 in the 5000m and 36:19 in the 10Kilometr. She is currently active on the international athletics circuit, representing Ireland.

Key facts

3000 m

9:39.84

10 Kilometres Road

36:19

2026 season best

10:31.82

Jul 11, 2026

2026 season best

Last competition

National Athletics League Premiership Division

Jul 11, 2026 · 10:31.82

National Athletics League Premiership Division

As of Sep 25, 2026: 3000 m 9:39.84, 10 Kilometres Road 36:19, 2026 season best 10:31.82 (Jul 11, 2026) · Last competition: National Athletics League Premiership Division, Jul 11, 2026, 10:31.82

Personal bests

800m

2:18.56

Mile

5:11.88

3000m

9:39.84

5000m

17:40.73

10Kilometr

36:19

5MilesRoad

29:29

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	800m	2:18.56	-	May 23, 2026	-	National Athletics League - Premiership
2026	3000m	10:31.82	-	Jul 11, 2026	↓	National Athletics League Premiership Division
2026	5000m	18:29.14	-	May 23, 2026	↓	National Athletics League - Premiership
2026	5MilesRoad	31:49	-	Jun 21, 2026	↓	Irish 5 Mile Road Running Championships
2025	3000m	9:51.88	-	Aug 16, 2025	↓	National Athletics League - Premiership, Alexander Stadium, Birmingham
2025	5000m	17:45.11	-	May 31, 2025	↓	National Athletics League - Premiership
2025	Marathon	3:02:30	-	Apr 27, 2025	↑	39. Haspa Marathon Hamburg
2024	3000m	10:00.24	-	Aug 3, 2024	↓	National Athletics League - Premiership
2023	3000m	9:39.84	-	Jul 15, 2023	↓	National Athletics League Premiership
2023	5000m	17:40.73	-	Apr 22, 2023	↓	North Belfast Harriers Afternoon of 5000s
2023	CrossCount	23:33	-	Oct 21, 2023	-	NI & Ulster and Bobby Rea International Cross Country, Billy Neill Country Park, Belfast - XC 6.0km
2023	10MilesRoa	1:04:27	-	Jul 23, 2023	-	Irish 10Mile Road Running Championships
2023	Semi	1:23:13	-	Aug 26, 2023	-	Irish Half Marathon Championships, Tullamore Harriers AC Stadium, Tullamore
2023	Marathon	2:52:49	-	Oct 29, 2023	↑	Irish Life Dublin Marathon
2022	Mile	5:11.88	-	Jul 9, 2022	-	Mary Peters Track, Belfast (GBR)
2022	5MilesRoad	30:05	-	Jun 12, 2022	↓	Irish 5 Miles Road Running Championships
2022	10Kilometr	37:37	-	Apr 9, 2022	↓	Irish 10km Road Running Championships, Dublin
2021	Marathon	2:57:01	-	Oct 3, 2021	↑	Deep RiverRock Belfast City Marathon
2020	5MilesRoad	29:29	-	Jan 26, 2020	↓	Dublin (IRL)
2019	10Kilometr	36:19	-	Nov 30, 2019	↓	Belfast (GBR)
2019	Marathon	3:05:29	-	Apr 7, 2019	↑	ASICS Greater Manchester Marathon
2018	Marathon	3:03:41	-	Oct 28, 2018	↑	Dublin Marathon

Discipline	Result	Wind	Date	Competitions
3000m	10:31.82	-	Jul 11	National Athletics League Premiership Division
5MilesRoad	31:49	-	Jun 21	Irish 5 Mile Road Running Championships
800m	2:18.56	-	May 23	National Athletics League - Premiership
5000m	18:29.14	-	May 23	National Athletics League - Premiership

Discipline	Result	Wind	Date	Competitions
3000m	9:51.88	-	Aug 16	National Athletics League - Premiership, Alexander Stadium, Birmingham
3000m	10:17.99	-	Jul 5	National Athletics League - Premiership
3000m	10:04.86	-	Jun 14	British Milers Club Record Breaker with Lagan Valley AC, Mary Peters Track, Belfast
5000m	17:45.11	-	May 31	National Athletics League - Premiership
Marathon	3:02:30	-	Apr 27	39. Haspa Marathon Hamburg

Discipline	Result	Wind	Date	Competitions
3000m	10:00.24	-	Aug 3	National Athletics League - Premiership
3000m	10:03.83	-	Jul 7	National Athletics League - Premiership, Ashton Playing Fields Woodford Green, London
3000m	10:01.89	-	Jun 15	British Milers Club Record Breaker, Mary Peters Track, Belfast
3000m	10:03.76	-	May 4	Irish Milers Club-Crusaders, Morton Stadium, Santry, Dublin

Discipline	Result	Wind	Date	Competitions
Marathon	2:52:49	-	Oct 29	Irish Life Dublin Marathon
CrossCount	23:33	-	Oct 21	NI & Ulster and Bobby Rea International Cross Country, Billy Neill Country Park, Belfast - XC 6.0km
Semi	1:23:13	-	Aug 26	Irish Half Marathon Championships, Tullamore Harriers AC Stadium, Tullamore
3000m	10:04.18	-	Aug 5	National Athletics League Premiership
10MilesRoa	1:04:27	-	Jul 23	Irish 10Mile Road Running Championships
3000m	9:39.84	-	Jul 15	National Athletics League Premiership
3000m	9:56.83	-	Jun 10	UCD Track & Field Meet, UCD Campus Track, Dublin
3000m	9:42.84	-	May 13	Belfast Irish Milers Meet, Mary Peters Track, Belfast
5000m	17:40.73	-	Apr 22	North Belfast Harriers Afternoon of 5000s

Discipline	Result	Wind	Date	Competitions
10Kilometr	35:48	-	Dec 3	Seeley Cup 10K, Belfast
Mile	5:11.88	-	Jul 9	North Belfast Harriers Afternoon of Mile, Mary Peters Track, Belfast
5MilesRoad	30:05	-	Jun 12	Irish 5 Miles Road Running Championships
10Kilometr	37:37	-	Apr 9	Irish 10km Road Running Championships, Dublin

Discipline	Result	Wind	Date	Competitions
5MilesRoad	29:29	-	Jan 26	AXA Raheny 5 Mile, Dublin

Discipline	Result	Wind	Date	Competitions
10Kilometr	36:19	-	Nov 30	Seeley Cup 10K, Belfast
Marathon	3:05:29	-	Apr 7	ASICS Greater Manchester Marathon

Discipline	Result	Wind	Date	Competitions
Marathon	3:03:41	-	Oct 28	Dublin Marathon

FAQ

Frequently asked questions

What is Catherine O'Connor's 3000 m personal best?

Catherine O'Connor's 3000 m personal best is 9:39.84, set on Jul 15, 2023 in Harvey Hadden Stadium, Nottingham (GBR).

Which events does Catherine O'Connor compete in?

Catherine O'Connor competes in the 3000 m and 10 Kilometres Road.

How did Catherine O'Connor perform in 2026?

2026 season best: 10:31.82, set on Jul 11, 2026. Last competition: National Athletics League Premiership Division on Jul 11, 2026, 10:31.82.

Catherine O'Connor

Personal bests

Performance Charts

Season bests

2026

2025

2024

2023

2022

2020

2019

2018

Honours

No medals

Frequently asked questions