JO
Jack O'Leary
IRLMenBirth dateNov 4, 1997
Height-
Weight-
Jack O'Leary is a Ireland middle-distance runner, born on November 4, 1997. He competes primarily in the 800m, 1500m and Mile.
His personal bests include 1:52.18 in the 800m, 3:45.12 in the 1500m, 4:07.05 in the Mile, 7:42.57 in the 3000m and 13:22.67 in the 5000m. He is currently active on the international athletics circuit, representing Ireland.
Key facts
3000 Metres Short Track
7:42.57
10 Kilometres Road
27:41
2026 season best
7:42.57
Jan 31, 2026 · Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)
Age
28 years old
As of Sep 13, 2026: 3000 Metres Short Track 7:42.57, 10 Kilometres Road 27:41, 2026 season best 7:42.57 (Jan 31, 2026, Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)) · Last competition: British Milers Club Grand Prix, Jul 11, 2026, 1:50.21 · 28 years old
PB
Personal bests
1:52.18
3:45.12
4:07.05
7:42.57
13:22.67
28:23.64
9:10.88
13:31
3:54.02
6:03.67
7:42.57
27:41
4:08.99
13:30.43
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | 800m | 1:50.21 | - | Jul 11, 2026 | - | British Milers Club Grand Prix |
| 2026 | 3000m-short-track | 7:42.57 | - | Jan 31, 2026 | ↑ | Boston University John Thomas Terrier Classic |
| 2026 | 3000m | 7:48.50 | - | May 9, 2026 | ↑ | The Belfast Classic - formerly the Belfast Irish milers meet |
| 2026 | 5000m-short-track | 13:30.43 | - | Feb 13, 2026 | ↑ | Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i) |
| 2026 | 5Kilometre | 13:31 | - | May 20, 2026 | - | más. 5k by BFL |
| 2026 | 5000m | 13:35.99 | - | Jul 10, 2026 | ↑ | Morton Games |
| 2026 | 10Kilometr | 27:41 | - | Jan 11, 2026 | ↑ | 10K Valencia Ibercaja by Kiprun |
| 2025 | 1500m | 3:45.12 | - | May 10, 2025 | ↑ | Belfast Irish milers meet |
| 2025 | 5000m | 13:22.67 | - | Jul 11, 2025 | ↑ | Morton Games |
| 2025 | CrossCount | 22:25 | - | Dec 14, 2025 | ↓ | 31st SPAR European Cross Country Championships, Lagoa |
| 2025 | 10Kilometr | 28:13 | - | Nov 9, 2025 | ↑ | Mutuelle Ociane Matmut Semi & 10km de Bordeaux |
| 2025 | 10000m | 28:23.64 | - | Jun 14, 2025 | ↑ | University of Birmingham Track & Field Festival, Birmingham University Athletics Track, Birmingham - UK 10,000m Ch. |
| 2024 | 1500m | 4:07.34 | - | Jun 15, 2024 | ↑ | British Milers Club Record Breaker, Mary Peters Track, Belfast |
| 2024 | Mile | 4:26.85 | - | Jun 15, 2024 | ↓ | British Milers Club Record Breaker, Mary Peters Track, Belfast |
| 2024 | 3000m | 8:08.33 | - | Jul 24, 2024 | ↑ | BMC Record Breaker, Tooting Bec Athletics Track, London |
| 2024 | 3000m-short-track | 8:20.56 | - | Nov 27, 2024 | ↑ | Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i) |
| 2024 | 5000m | 13:57.35 | - | Jul 12, 2024 | ↑ | Morton Games, Morton Stadium, Santry, Dublin |
| 2024 | CrossCount | 24:55 | - | Nov 17, 2024 | ↓ | Irish Cross Country Championships, Castle Irvine Estate, Irvinestown - XC 7.5km |
| 2023 | 1500m | 3:46.26 | - | May 13, 2023 | ↑ | Belfast Irish Milers Meet, Mary Peters Track, Belfast |
| 2023 | 5000m | 13:51.02 | - | Apr 29, 2023 | ↑ | WMD - Night Walk and Middle Distance Night |
| 2023 | CrossCount | 33:29 | - | Nov 19, 2023 | ↓ | Irish Senior Cross Country Championships, Gowran Park, Gowran - XC 9.0km |
| 2022 | 1500m | 3:49.85 | - | Jun 11, 2022 | ↑ | Arena Civica Gianni Brera, Milano (ITA) |
| 2022 | Mile | 4:07.05 | - | Jun 11, 2022 | ↓ | Arena Civica Gianni Brera, Milano (ITA) |
| 2022 | 5000m | 14:10.81 | - | May 14, 2022 | ↑ | Belfast Irish Milers Meet |
| 2022 | 10000m | 30:06.80 | - | May 28, 2022 | ↑ | European 10,000m Cup |
| 2022 | CrossCount | 30:42 | - | Nov 20, 2022 | ↓ | Irish Cross Country Championships, Donegal - XC 8.0km |
| 2021 | 1500m | 3:47.83 | - | Apr 16, 2021 | ↑ | UVA Lanningan Field, Charlottesville, VA (USA) |
| 2021 | 3000m-short-track | 7:58.34 | - | Feb 13, 2021 | ↑ | Sportcity Indoor Track, Manchester (GBR) (i) |
| 2021 | 3000m | 7:58.34 | - | Feb 13, 2021 | ↑ | Sportcity Indoor Track, Manchester (GBR) (i) |
| 2021 | 5000m | 14:29.78 | - | May 9, 2021 | ↑ | Michael P. Brady Track and Field Complex, Lawrenceville, NJ (USA) |
| 2021 | 10000m | 28:29.39 | - | Jun 9, 2021 | ↑ | NCAA Div. I Outdoor Championships |
| 2020 | mile-short-track | 4:08.99 | - | Jan 25, 2020 | - | Dr. Norb Sander Columbia Challenge |
| 2020 | Mile | 4:08.99 | - | Jan 25, 2020 | ↓ | Dr. Norb Sander Columbia Challenge |
| 2020 | 3000m-short-track | 7:53.47 | - | Feb 15, 2020 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2020 | 3000m | 7:53.47 | - | Feb 15, 2020 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2020 | 5000m | 13:44.12 | - | Feb 28, 2020 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2020 | 5000m-short-track | 13:44.12 | - | Feb 28, 2020 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2019 | 1500m | 3:56.80 | - | Apr 13, 2019 | ↑ | Piscataway, NJ (USA) |
| 2019 | 3000m-short-track | 8:13.58 | - | Mar 3, 2019 | ↑ | Boston, MA (USA) (i) |
| 2019 | 3000m | 8:13.58 | - | Mar 3, 2019 | ↑ | Boston, MA (USA) (i) |
| 2019 | 5000m | 14:11.96 | - | Apr 18, 2019 | ↑ | Azusa, CA (USA) |
| 2019 | CrossCount | 25:31 | - | Dec 8, 2019 | ↓ | 26th SPAR European Cross Country Championships, Lisboa |
| 2019 | 10Kilometr | 29:07 | - | Nov 15, 2019 | ↑ | Buffalo, NY (USA) |
| 2019 | 10000m | 29:21.96 | - | May 4, 2019 | ↑ | West Long Branch, NJ (USA) |
| 2018 | 1500m | 3:58.54 | - | Apr 21, 2018 | ↑ | Princeton, NJ (USA) |
| 2018 | 5000m | 14:24.50 | - | Apr 26, 2018 | ↑ | Philadelphia Penn Relays, Philadelphia, PA - USA vs. the World |
| 2018 | CrossCount | 25:31 | - | Dec 9, 2018 | ↓ | 25th SPAR European Cross Country Championships, Tilburg |
| 2016 | 1500m | 3:54.02 | - | Feb 7, 2016 | ↑ | Athlone (IRL) (i) |
| 2016 | 1500m-short-track | 3:54.02 | - | Feb 7, 2016 | - | Athlone (IRL) (i) |
| 2016 | 3000m | 8:14.13 | - | May 7, 2016 | ↑ | Belfast (GBR) |
| 2016 | 3000m-short-track | 8:21.10 | - | Feb 28, 2016 | ↑ | Athlone (IRL) (i) |
| 2016 | 5000m | 14:38.94 | - | May 29, 2016 | ↑ | Oordegem (BEL) |
| 2016 | CrossCount | 17:21 | - | Dec 11, 2016 | ↓ | 23rd SPAR European Cross Country Championships, Chia |
| 2015 | 2000Metres | 6:03.67 | - | May 30, 2015 | - | Tullamore (IRL) |
| 2015 | 3000m-short-track | 8:27.01 | - | Feb 22, 2015 | ↑ | Athlone (IRL) (i) |
| 2015 | 3000m | 8:27.01 | - | Feb 22, 2015 | ↑ | Athlone (IRL) (i) |
| 2015 | 3000mSt | 9:10.88 | - | May 16, 2015 | - | Stretford (GBR) |
| 2015 | 5000m | 14:28.16 | - | Jun 27, 2015 | ↑ | Watford (GBR) |
| 2015 | CrossCount | 18:14 | - | Dec 13, 2015 | ↓ | 22nd SPAR European Cross Country Championships, Hyères |
| 2014 | 3000m | 8:33.92 | - | May 31, 2014 | ↑ | Tullamore (IRL) |
| 2014 | CrossCount | 21:46 | - | Dec 14, 2014 | ↓ | 21st SPAR European Cross Country Championships, Samokov |
2026
11 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
800m | 1:50.21 | - | Jul 11 | British Milers Club Grand Prix |
5000m | 13:35.99 | - | Jul 10 | Morton Games |
3000m | 7:52.39 | - | Jun 10 | Meeting de Marseille, Stade Delort, Marseille - National Events |
800m | 1:50.30 | - | May 23 | British Milers Club Record Breaker with Lagan Valley AC |
5Kilometre | 13:31 | - | May 20 | más. 5k by BFL |
800m | 1:52.18 | - | May 9 | The Belfast Classic - formerly the Belfast Irish milers meet |
3000m | 7:48.50 | - | May 9 | The Belfast Classic - formerly the Belfast Irish milers meet |
5000m-short-track | 13:30.43 | - | Feb 13 | Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i) |
3000m-short-track | 7:42.57 | - | Jan 31 | Boston University John Thomas Terrier Classic |
3000m-short-track | 7:42.57 | - | Jan 30 | Boston University John Thomas Terrier Classic |
10Kilometr | 27:41 | - | Jan 11 | 10K Valencia Ibercaja by Kiprun |
2025
10 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
CrossCount | 22:25 | - | Dec 14 | 31st SPAR European Cross Country Championships, Lagoa |
10Kilometr | 28:13 | - | Nov 9 | Mutuelle Ociane Matmut Semi & 10km de Bordeaux |
5000m | 13:41.47 | - | Aug 3 | Irish Championships, Morton Stadium, Santry, Dublin |
5000m | 13:41.47 | - | Aug 2 | Irish Championships, Morton Stadium, Santry, Dublin |
5000m | 13:22.67 | - | Jul 11 | Morton Games |
Mile | DNF | - | Jul 9 | Cork City Sports |
10000m | 28:23.64 | - | Jun 14 | University of Birmingham Track & Field Festival, Birmingham University Athletics Track, Birmingham - UK 10,000m Ch. |
5000m | 13:39.04 | - | May 25 | IFAM Outdoor, Boudewijnstadion, Bruxelles |
5000m | 13:39.04 | - | May 24 | IFAM Outdoor, Boudewijnstadion, Bruxelles |
1500m | 3:45.12 | - | May 10 | Belfast Irish milers meet |
2024
12 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
3000m-short-track | 8:20.56 | - | Nov 27 | Track & Field Live, National Indoor Arena, Abbotstown, Dublin (i) |
CrossCount | 24:55 | - | Nov 17 | Irish Cross Country Championships, Castle Irvine Estate, Irvinestown - XC 7.5km |
5000m | 14:03.06 | - | Aug 10 | British Milers Club Grand Prix, Market Street Athletics Track, Bury St Edmunds |
3000m | 8:08.33 | - | Jul 24 | BMC Record Breaker, Tooting Bec Athletics Track, London |
5000m | 13:57.35 | - | Jul 12 | Morton Games, Morton Stadium, Santry, Dublin |
5000m | 14:11.00 | - | Jun 30 | Irish Championships, Morton Stadium, Santry, Dublin |
5000m | 14:11.00 | - | Jun 29 | Irish Championships, Morton Stadium, Santry, Dublin |
1500m | 4:07.34 | - | Jun 15 | British Milers Club Record Breaker, Mary Peters Track, Belfast |
3000m | 8:12.00 | - | Jun 15 | British Milers Club Record Breaker, Mary Peters Track, Belfast |
Mile | 4:26.85 | - | Jun 15 | British Milers Club Record Breaker, Mary Peters Track, Belfast |
5000m | 14:12.65 | - | May 26 | IFAM Outdoor, Boudewijnstadion, Bruxelles |
5000m | 14:12.65 | - | May 25 | IFAM Outdoor, Boudewijnstadion, Bruxelles |
2023
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
CrossCount | 33:29 | - | Nov 19 | Irish Senior Cross Country Championships, Gowran Park, Gowran - XC 9.0km |
5000m | DNF | - | Jul 15 | Night of Athletics |
10000m | DNF | - | Jun 10 | Dutch 10,000m Championships |
5000m | 13:52.67 | - | May 20 | Lange Laufnacht, Carl-Kaufmann-Stadion, Karlsruhe |
1500m | 3:46.26 | - | May 13 | Belfast Irish Milers Meet, Mary Peters Track, Belfast |
5000m | 13:51.02 | - | Apr 29 | WMD - Night Walk and Middle Distance Night |
2022
8 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
CrossCount | 30:42 | - | Nov 20 | Irish Cross Country Championships, Donegal - XC 8.0km |
5000m | DNF | - | Jul 2 | Morton Games |
5000m | 14:31.28 | - | Jun 26 | Irish Championships |
5000m | 14:31.28 | - | Jun 25 | Irish Championships |
1500m | 3:49.85 | - | Jun 11 | Trofeo Donkenyarun, Arena Civica Gianni Brera, Milano - Split times |
Mile | 4:07.05 | - | Jun 11 | Trofeo Donkenyarun, Arena Civica Gianni Brera, Milano |
10000m | 30:06.80 | - | May 28 | European 10,000m Cup |
5000m | 14:10.81 | - | May 14 | Belfast Irish Milers Meet |
2021
3 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 28:29.39 | - | Jun 11 | NCAA Div. I Outdoor Championships |
10000m | 28:29.39 | - | Jun 9 | NCAA Div. I Outdoor Championships |
10000m | 29:01.42 | - | May 26 | NCAA East Preliminary, University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL |
Showing 1 - 50 of 96
Honours
No medals
FAQ
Frequently asked questions
What is Jack O'Leary's 3000 Metres Short Track personal best?
Jack O'Leary's 3000 Metres Short Track personal best is 7:42.57, set on Jan 31, 2026 in Boston Univ. Track & Tennis Center, Boston, MA (USA) (i).
Which events does Jack O'Leary compete in?
Jack O'Leary competes in the 3000 Metres Short Track and 10 Kilometres Road.
How did Jack O'Leary perform in 2026?
2026 season best: 7:42.57, set on Jan 31, 2026 in Boston Univ. Track & Tennis Center, Boston, MA (USA) (i). Last competition: British Milers Club Grand Prix on Jul 11, 2026, 1:50.21.