SO
Sean O'Connor
USAMenBirth date-
Height-
Weight-
Sean O'Connor is a United States middle-distance runner. He competes primarily in the 1500m, Mile and 3000m.
His personal bests include 3:56.18 in the 1500m, 4:18.31 in the Mile, 8:21.57 in the 3000m, 14:31.74 in the 5000m and 29:55.27 in the 10000m. He is currently active on the international athletics circuit, representing United States.
Key facts
Half Marathon
1:03:50
10 Miles Road
48:07
As of Sep 15, 2026: Half Marathon 1:03:50, 10 Miles Road 48:07, 2026 season best 2:19:22 (Apr 20, 2026, Boston, MA (USA)) · Last competition: Boston Marathon, Apr 20, 2026, 2:19:22
PB
Personal bests
3:56.18
4:18.31
8:21.57
14:31.74
29:55.27
1:03:50
2:17:08
9:17.62
14:42
8:21.57
45:06
28:56
48:07
4:18.31
15:05.44
1:05:15
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | Marathon | 2:19:22 | - | Apr 20, 2026 | ↑ | Boston Marathon |
| 2023 | Marathon | 2:17:08 | - | Jun 17, 2023 | ↑ | Grandma's Marathon |
| 2022 | Semi | 1:04:53 | - | Oct 9, 2022 | ↑ | San José, CA (USA) |
| 2021 | 5000m | 14:44.28 | - | May 1, 2021 | ↑ | Charles Berkel Memorial Stadium, Leavenworth, KS (USA) |
| 2021 | 5Kilometre | 14:59 | - | Jun 20, 2021 | ↓ | Branford, CT (USA) |
| 2021 | 10Kilometr | 28:56 | - | Jul 23, 2021 | ↑ | Salt Lake City, UT (USA) |
| 2021 | 15Kilometr | 45:06 | - | Mar 20, 2021 | ↑ | Jacksonville, FL (USA) |
| 2021 | 10MilesRoa | 48:07 | - | Oct 10, 2021 | - | Philadelphia, PA (USA) |
| 2021 | Semi | 1:04:30 | - | Nov 6, 2021 | ↑ | - |
| 2020 | 3000m | 8:37.29 | - | Feb 1, 2020 | ↑ | Hutton Sports & Recreation Center, Utica, NY (USA) (i) |
| 2020 | 3000m-short-track | 8:37.29 | - | Feb 1, 2020 | ↑ | Hutton Sports & Recreation Center, Utica, NY (USA) (i) |
| 2020 | 5Kilometre | 14:42 | - | Sep 26, 2020 | ↓ | Hartford, CT (USA) |
| 2020 | 10000m | 29:55.27 | - | Oct 23, 2020 | ↑ | Icahn Stadium, New York, NY (USA) |
| 2020 | Semi | 1:03:50 | - | Jan 19, 2020 | ↑ | Aramco Houston Half Marathon |
| 2020 | Marathon | 2:32:56 | - | Feb 29, 2020 | ↑ | USA Olympic Team Trials Marathon |
| 2019 | 1500m | 3:56.18 | - | May 4, 2019 | ↑ | Troy, NY (USA) |
| 2019 | Mile | 4:18.31 | - | Feb 22, 2019 | ↑ | Ithaca, NY (USA) (i) |
| 2019 | mile-short-track | 4:18.31 | - | Feb 22, 2019 | ↑ | Ithaca, NY (USA) (i) |
| 2019 | 3000m-short-track | 8:41.94 | - | Mar 2, 2019 | ↑ | Boston, MA (USA) (i) |
| 2019 | 3000m | 8:41.94 | - | Mar 2, 2019 | ↑ | Boston, MA (USA) (i) |
| 2019 | 5000m | 14:31.74 | - | May 13, 2019 | ↑ | Swarthmore, PA (USA) |
| 2019 | 5Kilometre | 14:58 | - | Dec 31, 2019 | ↓ | Saratoga, CA (USA) |
| 2019 | 10Kilometr | 30:24 | - | Sep 22, 2019 | ↑ | Gloucester, MA (USA) |
| 2019 | 10000m | 30:32.35 | - | Apr 13, 2019 | ↑ | Lewisburg, PA (USA) |
| 2019 | 15Kilometr | 46:01 | - | Nov 10, 2019 | ↑ | Schenectady, NY (USA) |
| 2019 | 20Kilometr | 1:05:15 | - | Sep 2, 2019 | - | US 20km Road Running Championships |
| 2019 | Semi | 1:05:27 | - | Oct 12, 2019 | ↑ | - |
| 2018 | mile-short-track | 4:18.66 | - | Dec 22, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | Mile | 4:18.66 | - | Dec 22, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | 3000m-short-track | 8:21.57 | - | Feb 10, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | 3000m | 8:21.57 | - | Feb 10, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | 3000mSt | 9:19.44 | - | Apr 26, 2018 | ↑ | Philadelphia Penn Relays, Philadelphia, PA - USA vs. the World |
| 2018 | 5000m | 14:35.82 | - | May 14, 2018 | ↑ | Swarthmore, PA (USA) |
| 2017 | 1500m | 4:00.95 | - | Apr 15, 2017 | ↑ | Troy, NY (USA) |
| 2017 | 3000m-short-track | 8:29.92 | - | Mar 4, 2017 | ↑ | Boston, MA (USA) (i) |
| 2017 | 3000m | 8:29.92 | - | Mar 4, 2017 | ↑ | Boston, MA (USA) (i) |
| 2017 | 3000mSt | 9:17.62 | - | Apr 27, 2017 | ↑ | Philadelphia, PA (USA) |
| 2017 | 5000m | 15:05.44 | - | Feb 11, 2017 | ↑ | Rochester, NY (USA) (i) |
| 2017 | 5000m-short-track | 15:05.44 | - | Feb 11, 2017 | - | Rochester, NY (USA) (i) |
| 2016 | 3000m | 8:43.62 | - | Mar 5, 2016 | ↑ | NY (USA) (i) |
| 2016 | 3000m-short-track | 8:43.62 | - | Mar 5, 2016 | ↑ | NY (USA) (i) |
| 2016 | 3000mSt | 9:30.29 | - | May 7, 2016 | ↑ | Troy, NY (USA) |
| 2016 | 5000m | 14:53.71 | - | May 18, 2016 | ↑ | Westfield, MA (USA) |
2026
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:19:22 | - | Apr 20 | Boston Marathon |
2023
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:17:08 | - | Jun 17 | Grandma's Marathon |
2022
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:04:53 | - | Oct 9 | United Airlines Rock 'n' Roll San Jose Half Marathon, San José, CA |
Semi | 1:09:46 | - | Apr 10 | Horsetooth Half Marathon, Fort Collins, CO |
2021
9 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:06:44 | - | Nov 21 | Philadelphia Half Marathon, Philadelphia, PA |
Semi | 1:04:30 | - | Nov 6 | Indianapolis Monumental Half Marathon, Indianapolis, IN |
10MilesRoa | 48:07 | - | Oct 10 | Blue Cross Broad Street Run, Philadelphia, PA |
10Kilometr | 30:34 | - | Sep 6 | FORTitude 10K, Fort Collins, CO |
10Kilometr | 28:56 | - | Jul 23 | Deseret News Marathon, Salt Lake City, UT |
5Kilometre | 14:59 | - | Jun 20 | Branford Road Race, Branford, CT |
Semi | 1:05:08 | - | Jun 5 | Utah Valley Half Marathon, Provo, UT |
5000m | 14:44.28 | - | May 1 | Trials of Miles - Kansas City Qualifier, Charles Berkel Memorial Stadium, Leavenworth, KS - Developmental Events |
15Kilometr | 45:06 | - | Mar 20 | US 15km Road Running Championships, Jacksonville, FL |
2020
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
10000m | 29:55.27 | - | Oct 23 | Big City Invitational presented by TOM + Bakline, Icahn Stadium, New York, NY |
5Kilometre | 14:42 | - | Sep 26 | HMF New England’s Finest 5K Step One Day, Hartford, CT |
Marathon | 2:32:56 | - | Feb 29 | USA Olympic Team Trials Marathon |
3000m-short-track | 8:37.29 | - | Feb 1 | Utica College Pioneer Open, Hutton Sports & Recreation Center, Utica, NY (i) |
Semi | 1:03:50 | - | Jan 19 | Aramco Houston Half Marathon |
2019
17 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
5Kilometre | 14:58 | - | Dec 31 | Saratoga Arts First Night 5k, Saratoga, CA |
15Kilometr | 46:01 | - | Nov 10 | MVP Health Care Stockade-athon 15K, Schenectady, NY |
Semi | 1:05:27 | - | Oct 12 | Eversource Hartford Half Marathon, Hartford, CT |
10Kilometr | 30:24 | - | Sep 22 | Lone Gull 10K, Gloucester, MA |
20Kilometr | 1:05:15 | - | Sep 2 | US 20km Road Running Championships |
10000m | 31:34.13 | - | May 23 | NCAA Division III Ch., Geneva, OH |
5000m | 14:31.74 | - | May 13 | Swarthmore Final Qualifier Meet, Swarthmore, PA |
1500m | 3:56.18 | - | May 4 | Liberty League Outdoor Track & Field Championships, Troy, NY |
5000m | 15:02.22 | - | May 4 | Liberty League Outdoor Track & Field Championships, Troy, NY |
5000m | 14:48.78 | - | Apr 25 | Penn Relays, Philadelphia, PA - USA vs. the World |
5000m | 14:48.78 | - | Apr 23 | Penn Relays, Philadelphia, PA - USA vs. the World |
10000m | 30:32.35 | - | Apr 13 | Bison Classic, Lewisburg, PA - Invitational Events |
1500m | 3:59.09 | - | Apr 6 | Quad Meet, Cambridge, MA |
1500m | 4:00.92 | - | Mar 30 | Tufts Snowflake Classic, Medford, MA |
3000m-short-track | 8:41.94 | - | Mar 2 | Tufts National Qualifying Meet, Boston, MA (i) |
mile-short-track | 4:18.31 | - | Feb 22 | Liberty League Indoor Track & Field Championships, Ithaca, NY (i) |
mile-short-track | 4:18.64 | - | Jan 26 | Pioneer Open, Utica, NY (i) |
2018
10 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
mile-short-track | 4:18.66 | - | Dec 22 | Boston BU Mini Meet #3, Boston, MA (i) - Mixed Races |
5000m | 14:35.82 | - | May 14 | Swarthmore Final Qualifier Meet, Swarthmore, PA |
3000mSt | 9:19.44 | - | Apr 26 | Philadelphia Penn Relays, Philadelphia, PA - USA vs. the World |
3000mSt | 9:19.44 | - | Apr 24 | Philadelphia Penn Relays, Philadelphia, PA - USA vs. the World |
5000m | 14:36.26 | - | Apr 14 | Lewisburg Bison Outdoor Classic, Lewisburg, PA |
3000mSt | 9:30.53 | - | Apr 7 | Medford Tufts Quad Meet, Medford, MA |
3000m-short-track | 8:30.77 | - | Mar 3 | Ithaca AARTFC Indoor Championships, Ithaca, NY (i) |
3000m-short-track | 8:21.57 | - | Feb 10 | Boston David Hemery Valentine Invitational, Boston, MA (i) |
3000m-short-track | 8:27.53 | - | Feb 3 | Ithaca College Bomber Invitational, Ithaca, NY (i) |
mile-short-track | 4:20.10 | - | Jan 13 | Middlebury Winter Classic, Middlebury, VT (i) |
2017
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
3000mSt | 9:28.18 | - | May 6 | Rochester NYSCTC Outdoor Championships, Rochester, NY |
3000mSt | 9:17.62 | - | Apr 27 | Philadelphia Penn Relays, Philadelphia, PA |
3000mSt | 9:35.82 | - | Apr 22 | Poughkeepsie Liberty League Championships, Poughkeepsie, NY |
1500m | 4:00.95 | - | Apr 15 | Troy Upstate Classic, Troy, NY |
3000m-short-track | 8:29.92 | - | Mar 4 | Boston Tufts Final Qualifier, Boston, MA (i) |
Showing 1 - 50 of 65
Honours
No medals
FAQ
Frequently asked questions
What is Sean O'Connor's Half Marathon personal best?
Sean O'Connor's Half Marathon personal best is 1:03:50, set on Jan 19, 2020 in Houston, TX (USA).
Which events does Sean O'Connor compete in?
Sean O'Connor competes in the Half Marathon and 10 Miles Road.
How did Sean O'Connor perform in 2026?
2026 season best: 2:19:22, set on Apr 20, 2026 in Boston, MA (USA). Last competition: Boston Marathon on Apr 20, 2026, 2:19:22.