Sophie O'Sullivan

IRLWomen

Birth dateDec 23, 2001

Height-

Weight-

Sophie O'Sullivan is an Australian-born Irish middle-distance runner born in 2001. She competes in the 800 metres and 1500 metres, winning medals at European championships at both youth and under-23 levels.

O'Sullivan won silver in the 800 metres at the 2018 European Athletics U18 Championships in Gyor, Hungary, and gold in the 1500 metres at the 2023 European Athletics U23 Championships in Espoo, Finland. She competed collegiately for Washington Huskies, winning the 2025 NCAA outdoor 1500 metres championship in Eugene, Oregon, in her final race for Washington.

As a European U23 champion and NCAA champion, O'Sullivan has demonstrated her ability to win at the highest levels of age-group and collegiate competition. Her Irish representation with Australian roots reflects the international nature of modern athletics.

Key facts

1500 m

4:00.23

#182 all-time

3000 m

8:44.72

#421 all-time

2026 season best

4:06.80

Sep 8, 2026 · Friidrettsstadion, Jessheim (NOR)

2026 season best

Last competition

ATHLOS London

Sep 18, 2026 · 2:00.53

ATHLOS London

Age

24 years old

As of Sep 26, 2026: 1500 m 4:00.23 (#182 all-time), 3000 m 8:44.72 (#421 all-time), 2026 season best 4:06.80 (Sep 8, 2026, Friidrettsstadion, Jessheim (NOR)) · Last competition: ATHLOS London, Sep 18, 2026, 2:00.53 · 24 years old

Personal bests

13.05

26.44

57.12

2:00.28

4:00.23

Mile

4:33.24

3000m

8:44.72

#421 all-time

5000m

16:31.37

4x400m

3:45.21

1.65

1500m-short-track

4:16.68

2000m

6:00.44

1000m

2:37.08

mile-short-track

4:33.30

MileRoad

4:39.33

4x800Metre

8:22.10

DistanceMe

11:36.40

4x1500Metr

17:10.88

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	800m	1:58.60	-	Aug 30, 2026	↑	Grand Prix Brescia
2026	1500m	4:06.80	-	Sep 8, 2026	↑	62° Palio Città della Quercia
2025	800m	2:00.61	-	Apr 17, 2025	↑	Bryan Clay Invitational
2025	1500m	4:02.12	-	Sep 13, 2025	↑	World Athletics Championships, Tokyo 2025, National Stadium, Tokyo
2025	1500m-short-track	4:16.68	-	Mar 21, 2025	-	World Athletics Indoor Championships, Sports Training Center, Nanjing (i)
2025	MileRoad	4:47.51	-	Dec 6, 2025	↓	The Spectacle Invitational Mile, Central Business District, Nelson - New Zealand Mile Road Championships
2025	4x800Metre	8:22.10	-	Apr 26, 2025	↑	The Penn Relays, Franklin Field, Philadelphia, PA - Olympic Development
2025	4x1500Metr	17:10.88	-	Apr 26, 2025	↑	The Penn Relays, Franklin Field, Philadelphia, PA - Olympic Development
2024	800m	2:00.28	-	Jul 14, 2024	↑	Meeting Sport e Solidarietà Lignano
2024	1500m	4:00.23	-	Aug 6, 2024	↑	The XXXIII Olympic Games, Stade de France, Paris
2024	mile-short-track	4:33.30	-	Feb 16, 2024	↑	Boston University DMR Challenge
2024	Mile	4:33.30	-	Feb 16, 2024	↑	Boston University DMR Challenge
2024	MileRoad	4:39.33	-	Dec 7, 2024	↓	Kalākaua Merrie Mile
2024	3000m	9:08.66	-	Jul 9, 2024	↑	Cork City Sports, Munster Technological University Track, Cork
2024	5000m	17:30.40	-	May 12, 2024	↓	PAC 12 Track and Field Championships
2023	800m	2:01.43	-	Sep 8, 2023	↑	22. Volksbank Trier Flutlichtmeeting
2023	1000m	2:37.08	-	Aug 4, 2023	↑	CITIUS Meeting
2023	4x400m	3:45.21	-	Jan 28, 2023	↑	Washington Indoor Invitational
2023	1500m	4:02.15	-	Aug 19, 2023	↑	World Athletics Championships, Budapest 2023, Hősök tere, Budapest
2023	Mile	4:33.24	-	Feb 11, 2023	↑	Husky Classic
2023	mile-short-track	4:39.35	-	Feb 4, 2023	↑	Boston University Bruce Lehane Scarlet and White Invite
2023	2000m	6:00.44	-	Sep 8, 2023	-	22. Volksbank Trier Flutlichtmeeting
2023	4x800Metre	8:28.50	-	Apr 29, 2023	↑	The Penn Relays Carnival
2023	3000m	8:44.72	-	Sep 6, 2023	↑	59. Palio Citta' della Quercia, Stadio Quercia, Rovereto
2023	DistanceMe	11:36.40	-	Mar 10, 2023	-	NCAA Division I Indoor Championships, Convention Center, Albuquerque, NM (i)
2023	5000m	16:31.37	-	May 14, 2023	↓	Pac 12 Men's and Women's Track and Field Championships, Hilmer Lodge Stadium, Walnut, CA
2023	4x1500Metr	17:15.64	-	Apr 29, 2023	↑	The Penn Relays Carnival
2023	CrossCount	20:17	-	Nov 18, 2023	↓	NCAA D1 Cross Country Championships, Panorama Farms, Charlottesville, VA - XC 6.0km
2022	800m	2:06.63	-	May 14, 2022	↑	Hayward Field, Eugene, OR (USA)
2022	1000m	2:49.8h	-	Dec 1, 2022	↑	George Knott Track, Collingwood, Melbourne (AUS)
2022	4x400m	3:47.87	-	May 15, 2022	↑	Hayward Field, Eugene, OR (USA)
2022	1500m	4:17.54	-	May 13, 2022	↑	Hayward Field, Eugene, OR (USA)
2022	Mile	4:49.09	-	Jan 15, 2022	↑	Dempsey Indoor, Seattle, WA (USA) (i)
2021	800m	2:09.88	-	Mar 27, 2021	↑	Paul Derr TF Facility, Raleigh, NC (USA)
2021	1500m	4:21.91	-	Apr 3, 2021	↑	Cobb Track and Angell Field, Palo Alto, CA (USA)
2021	Mile	5:02.36	-	Jan 30, 2021	↑	Dempsey Indoor, Seattle, WA (USA) (i)
2020	400m	58.35	-	Feb 29, 2020	↓	Victorian Championships, Duncan Mackinnon Reserve, Murrumbeena, Melbourne
2020	800m	2:07.18	-	Mar 12, 2020	↑	Tom Kelly Athletics Track, Doncaster, Melbourne (AUS)
2020	1500m	4:40.23	-	Mar 1, 2020	↑	Victorian Championships, Duncan Mackinnon Reserve, Murrumbeena, Melbourne
2019	HJ	1.65=	-	Sep 12, 2019	→	Lakeside Stadium, Melbourne (AUS)
2019	200m	26.60	+3.6	Oct 16, 2019	↑	Lakeside Stadium, Melbourne (AUS)
2019	400m	57.12	-	Mar 3, 2019	↓	Victorian Championships, Melbourne
2019	800m	2:06.82	-	Apr 4, 2019	↑	Sydney (AUS)
2019	1500m	4:31.24	-	Mar 3, 2019	↑	Victorian Championships, Melbourne
2019	Mile	4:52.5h	-	Feb 19, 2019	↑	Melbourne (AUS)
2019	3000m	9:55.78	-	Dec 21, 2019	↑	Landy Field, Geelong (AUS)
2018	HJ	1.65=	-	Nov 2, 2018	→	Melbourne (AUS)
2018	400m	57.21	-	Nov 3, 2018	↓	Melbourne (AUS)
2018	800m	2:06.05	-	Jul 7, 2018	↑	Győr European U18 Championships, Olimpiai Sportpark, Győr
2018	1500m	4:22.22	-	Jul 16, 2018	↑	Cork City Sports, Cork
2018	3000m	9:45.36	-	Nov 8, 2018	↑	Melbourne (AUS)
2018	CrossCount	14:59	-	Dec 9, 2018	↓	25th SPAR European Cross Country Championships, Tilburg
2017	HJ	1.65	-	Nov 3, 2017	→	Melbourne (AUS)
2017	100m	13.05	-0.4	Oct 15, 2017	↑	Sydney (AUS)
2017	200m	26.69	+0.8	Nov 4, 2017	↑	Melbourne (AUS)
2017	400m	58.28	-	Mar 12, 2017	↓	Melbourne (AUS)
2017	800m	2:06.29	-	Dec 23, 2017	↑	Geelong (AUS)
2017	1500m	4:28.91	-	Dec 19, 2017	↑	Melbourne (AUS)
2017	Mile	4:58.4h	-	Feb 16, 2017	↑	Melbourne (AUS)
2017	3000m	10:12.96	-	Nov 5, 2017	↑	Melbourne (AUS)
2016	100m	13.48	-0.1	Feb 7, 2016	↑	Sydney (AUS)
2016	200m	26.44	+0.0	Oct 15, 2016	↑	Sydney (AUS)
2016	800m	2:13.27	-	Feb 13, 2016	↑	Melbourne (AUS)
2016	1500m	4:36.76	-	Mar 11, 2016	↑	Perth (AUS)
2015	100m	13.21	+2.7	Dec 19, 2015	↑	Sydney (AUS)
2015	200m	27.18	+1.5	Oct 9, 2015	↑	Sydney (AUS)
2015	800m	2:13.43	-	Dec 6, 2015	↑	Melbourne (AUS)
2015	1500m	4:41.60	-	Nov 7, 2015	↑	Melbourne (AUS)
2014	100m	13.15	+2.2	Oct 4, 2014	↑	Sydney (AUS)
2014	200m	26.64	+3.5	Oct 10, 2014	↑	Sydney (AUS)
2014	800m	2:18.02	-	Nov 9, 2014	↑	Melbourne (AUS)
2014	1500m	4:47.37	-	Dec 11, 2014	↑	Melbourne (AUS)

Discipline	Result	Wind	Date	Competitions
800m	2:00.53	-	Sep 18	ATHLOS London
1500m	4:06.80	-	Sep 8	62° Palio Città della Quercia
800m	1:59.23	-	Sep 2	25. Volksbank Trier Eifel Flutlichtmeeting, Moselstadion, Trier
800m	1:58.60	-	Aug 30	Grand Prix Brescia
1500m	4:12.25	-	Aug 26	Weltklasse Zürich
800m	1:59.65	-	Aug 9	British Milers Club Grand Prix
1500m	4:22.54	-	Jul 25	Irish Championships
1500m	4:08.26	-	Jul 10	Morton Games
800m	2:01.33	-	Jul 8	Cork City Sports
1500m	4:12.77	-	Jun 5	1500m Elite Jessheim
800m	2:11.55	-	May 28	Trond Mohn Games
1500m	4:18.20	-	May 17	SEIKO Golden Grand Prix
1500m	4:19.82	-	Mar 28	Maurie Plant Meet
1500m	4:19.82	-	Mar 27	Maurie Plant Meet

Discipline	Result	Wind	Date	Competitions
MileRoad	4:47.51	-	Dec 6	The Spectacle Invitational Mile, Central Business District, Nelson - New Zealand Mile Road Championships
1500m	4:18.18	-	Sep 15	World Athletics Championships, Tokyo 2025, National Stadium, Tokyo
1500m	4:02.12	-	Sep 15	World Athletics Championships, Tokyo 2025, National Stadium, Tokyo
1500m	4:18.18	-	Sep 14	World Athletics Championships, Tokyo 2025, National Stadium, Tokyo
1500m	4:02.12	-	Sep 13	World Athletics Championships, Tokyo 2025, National Stadium, Tokyo
800m	2:11.77	-	Sep 2	24. Volksbank Trier Eifel Flutlichtmeeting, Moselstadion, Trier
1500m	4:10.76	-	Jul 15	Grand Prix Brescia, Centro Gabre Gabric, Brescia
800m	2:12.87	-	Jun 29	European Athletics Team Championships Second Division, Atletski stadion Poljane, Maribor
800m	2:12.87	-	Jun 28	European Athletics Team Championships Second Division, Atletski stadion Poljane, Maribor
1500m	4:07.94	-	Jun 14	NCAA Division I Outdoor Track and Field Championships, Hayward Field, Eugene, OR
1500m	4:07.94	-	Jun 12	NCAA Division I Outdoor Track and Field Championships, Hayward Field, Eugene, OR
1500m	4:09.39	-	Jun 12	NCAA Division I Outdoor Track and Field Championships, Hayward Field, Eugene, OR
1500m	4:08.21	-	May 31	NCAA Division I West First Rounds, Cushing Stadium, College Station, TX
1500m	4:13.81	-	May 29	NCAA Division I West First Rounds, Cushing Stadium, College Station, TX
1500m	4:13.81	-	May 28	NCAA Division I West First Rounds, Cushing Stadium, College Station, TX
1500m	4:08.21	-	May 28	NCAA Division I West First Rounds, Cushing Stadium, College Station, TX
1500m	4:11.66	-	May 16	Big Ten Outdoor Track & Field Championships, Hayward Field, Eugene, OR
1500m	4:18.86	-	May 16	Big Ten Outdoor Track & Field Championships, Hayward Field, Eugene, OR
4x1500Metr	17:10.88	-	Apr 26	The Penn Relays, Franklin Field, Philadelphia, PA - Olympic Development
4x800Metre	8:22.10	-	Apr 26	The Penn Relays, Franklin Field, Philadelphia, PA - Olympic Development
1500m	4:08.69	-	Apr 18	Bryan Clay Invitational
800m	2:00.61	-	Apr 17	Bryan Clay Invitational
1500m	4:12.91	-	Mar 29	Maurie Plant Meet, Lakeside Stadium, Melbourne
1500m-short-track	4:16.68	-	Mar 21	World Athletics Indoor Championships, Sports Training Center, Nanjing (i)
1500m	4:06.74	-	Mar 1	Perth Track Classic, WA Athletics Stadium, Perth

Discipline	Result	Wind	Date	Competitions
MileRoad	4:39.33	-	Dec 7	Kalākaua Merrie Mile
1500m	4:00.23	-	Aug 10	The XXXIII Olympic Games, Stade de France, Paris
1500m	4:03.73	-	Aug 10	The XXXIII Olympic Games, Stade de France, Paris
1500m	4:03.73	-	Aug 7	The XXXIII Olympic Games, Stade de France, Paris
1500m	4:00.23	-	Aug 6	The XXXIII Olympic Games, Stade de France, Paris
800m	2:00.28	-	Jul 14	Meeting Sport e Solidarietà Lignano
1500m	DNF	-	Jul 14	Meeting Sport e Solidarietà Lignano
1500m	4:05.77	-	Jul 12	Morton Games, Morton Stadium, Santry, Dublin
3000m	9:08.66	-	Jul 9	Cork City Sports, Munster Technological University Track, Cork
1500m	4:26.21	-	Jun 30	Irish Championships, Morton Stadium, Santry, Dublin
1500m	4:20.45	-	Jun 30	Irish Championships, Morton Stadium, Santry, Dublin

FAQ

Frequently asked questions

What is Sophie O'Sullivan's 1500 m personal best?

Sophie O'Sullivan's 1500 m personal best is 4:00.23, set on Aug 6, 2024 in Stade de France, Paris (FRA), #182 on the all-time list.

Which events does Sophie O'Sullivan compete in?

Sophie O'Sullivan competes in the 1500 m and 3000 m.

How did Sophie O'Sullivan perform in 2026?

2026 season best: 4:06.80, set on Sep 8, 2026 in Friidrettsstadion, Jessheim (NOR). Last competition: ATHLOS London on Sep 18, 2026, 2:00.53.

Sophie O'Sullivan

Personal bests

Performance Charts

Season bests

2026

2025

2024

Honours

Frequently asked questions