Photo: Løken—CC BY-SA 4.0
Sophie O'Sullivan
IrelandActive- Born
- Dec 23, 2001 (24 years old)
- Events
- 1500 m · 3000 m
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.
As of Nov 12, 2026: 1500 m 4:00.23 (#182 all-time), 3000 m 8:44.72 (#407 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
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | 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 Indoor | 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 |