SO

Sean O'Brian
Birth dateAug 4, 1980
Height-
Weight-
Sean O'Brian is a United States sprinter, born on August 4, 1980. He competes primarily in the 400m, 800m and 1500m.
His personal bests include 49.83 in the 400m, 1:48.05 in the 800m, 3:38.71 in the 1500m, 3:59.05 in the Mile and 8:18.74 in the 3000m. He is currently active on the international athletics circuit, representing United States.
Key facts
1500 m
3:38.71
Mile Short Track
4:02.00
Age
46 years old
As of Sep 14, 2026: 1500 m 3:38.71, Mile Short Track 4:02.00, 2013 season best 4:23.16 (Jan 26, 2013) · 46 years old
PB
Personal bests
49.83
1:48.05
3:38.71
3:59.05
8:18.74
3:42.53
8:18.74
1:52.90
2:24.9HT
2:24.9HT
4:02.00
49.83
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2013 | mile-short-track | 4:23.16 | - | Jan 26, 2013 | ↓ | - |
| 2012 | mile-short-track | 4:27.40 | - | Jan 27, 2012 | ↓ | - |
| 2009 | 800m | 1:52.05 | - | May 9, 2009 | ↓ | - |
| 2009 | 800m-short-track | 1:53.77 | - | Feb 14, 2009 | ↓ | - |
| 2009 | 1000m-short-track | 2:29.79 | - | Feb 7, 2009 | ↓ | - |
| 2008 | 800m | 1:49.09 | - | May 29, 2008 | ↓ | - |
| 2008 | 800m-short-track | 1:52.90 | - | Mar 8, 2008 | ↓ | - |
| 2008 | 1500m | 3:41.49 | - | May 9, 2008 | ↑ | - |
| 2008 | 1500m-short-track | 3:43.52 | - | Feb 24, 2008 | ↑ | - |
| 2008 | Mile | 4:00.18 | - | Jan 19, 2008 | ↑ | - |
| 2007 | 400m-short-track | 49.83 | - | Feb 18, 2007 | - | - |
| 2007 | 800m | 1:50.31 | - | Jun 30, 2007 | ↓ | - |
| 2007 | 800m-short-track | 1:53.13 | - | Feb 25, 2007 | ↓ | - |
| 2007 | 1000m-short-track | 2:27.23 | - | Feb 2, 2007 | ↓ | - |
| 2007 | 1500m | 3:41.93 | - | Jun 22, 2007 | ↑ | - |
| 2007 | Mile | 4:02.14 | - | Feb 10, 2007 | ↑ | Seattle Husky Classic |
| 2007 | mile-short-track | 4:04.56 | - | Feb 25, 2007 | ↓ | - |
| 2006 | 800m | 1:48.45 | - | May 13, 2006 | ↓ | - |
| 2006 | 800m-short-track | 1:54.50 | - | Feb 11, 2006 | ↓ | - |
| 2006 | 1000m-short-track | 2:33.11 | - | Jan 20, 2006 | ↓ | - |
| 2006 | 1500m | 3:41.80 | - | May 27, 2006 | ↑ | - |
| 2006 | 1500m-short-track | 3:42.53 | - | Feb 25, 2006 | ↑ | - |
| 2006 | Mile | 3:59.05 | - | Jan 14, 2006 | ↑ | - |
| 2006 | mile-short-track | 4:05.24 | - | Feb 4, 2006 | ↓ | - |
| 2005 | 800m | 1:48.05 | - | Jul 17, 2005 | ↓ | - |
| 2005 | 1500m | 3:40.42 | - | May 30, 2005 | ↑ | - |
| 2005 | Mile | 4:01.98 | - | Feb 12, 2005 | ↑ | Seattle Husky Classic, Seattle, WA (i) |
| 2005 | 3000m-short-track | 8:24.2h | - | Dec 24, 2005 | ↓ | - |
| 2004 | 800m | 1:49.76 | - | Jun 5, 2004 | ↓ | - |
| 2004 | 1500m | 3:38.71 | - | Jun 27, 2004 | ↑ | - |
| 2004 | 1500m-short-track | 3:46.64 | - | Feb 28, 2004 | ↑ | - |
| 2004 | Mile | 4:00.23 | - | Feb 14, 2004 | ↑ | - |
| 2003 | 800m | 1:50.56 | - | May 12, 2003 | ↓ | - |
| 2003 | 1000m-short-track | 2:24.9h | - | Jan 11, 2003 | ↓ | - |
| 2003 | 1500m | 3:41.89 | - | Jun 14, 2003 | ↑ | - |
| 2003 | mile-short-track | 4:12.23 | - | Jan 25, 2003 | ↓ | - |
| 2002 | 800m | 1:50.62 | - | Jun 12, 2002 | ↓ | - |
| 2002 | 800m-short-track | 1:53.45 | - | Jan 27, 2002 | ↓ | - |
| 2002 | 1500m | 3:41.29 | - | May 10, 2002 | ↑ | - |
| 2002 | mile-short-track | 4:02.00 | - | Feb 8, 2002 | ↓ | - |
| 2002 | 3000m-short-track | 8:18.74 | - | Dec 6, 2002 | ↓ | - |
| 2001 | 800m | 1:51.05 | - | May 5, 2001 | ↓ | - |
| 2001 | 1500m | 3:44.40 | - | May 31, 2001 | ↑ | - |
| 2001 | Mile | 4:04.47 | - | Apr 28, 2001 | ↑ | - |
| 2001 | mile-short-track | 4:13.48 | - | Feb 24, 2001 | ↓ | - |
| 2001 | 3000m | 8:20.68 | - | Mar 17, 2001 | - | - |
2013
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
mile-short-track | 4:23.16 | - | Jan 26 | Mennomenie Warren Bowlus Open, Menomonie, WI (i) |
mile-short-track | 4:25.40 | - | Jan 18 | Bloomington Gladstein Invitational, Bloomington, IN (i) |
2012
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
mile-short-track | 4:29.98 | - | Feb 25 | Kenosha GLV Indoor Championships, Kenosha, WI (i) |
mile-short-track | 4:27.40 | - | Jan 27 | Bloomington Indiana Relays, Bloomington, IN (i) |
2009
7 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
800m | 1:52.05 | - | May 9 | Philadelphia Ivy League Heptagonal Ch., Philadelphia, PA |
800m | 1:52.78 | - | Apr 26 | Providence Brown Invitational, Providence, RI |
800m | 1:54.99 | - | Apr 17 | Princeton Larry Ellis Invitational, Princeton, NJ |
800m | 1:52.67 | - | Mar 28 | Stanford Invitational, Palo Alto, CA |
800m-short-track | 1:53.92 | - | Mar 1 | Cambridge Ivy League Heptagonal Indoor Championships, Cambridge, MA (i) |
800m-short-track | 1:53.77 | - | Feb 14 | New York Virginia Duals, New York, NY (i) |
1000m-short-track | 2:29.79 | - | Feb 7 | New Haven Giegengack Invitational, New Haven, CT (i) |
2008
11 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
1500m | 3:42.90 | - | Jul 23 | Brasschaat Atletiek Vlaanderen, Brasschaat |
1500m | 3:48.45 | - | Jul 13 | Gent Feestenmeeting, Gent |
800m | 1:51.17 | - | Jul 11 | Kortrijk Guldensporenmeeting, Kortrijk |
1500m | 3:45.69 | - | Jun 15 | Eugene OTC Last Chance Meet, Eugene, OR |
1500m | 3:42.03 | - | Jun 8 | Eugene Pre Classic Qualifying Races, Eugene, OR |
800m | 1:49.09 | - | May 29 | Beaverton Nike Mile, Beaverton, OR |
1500m | 3:41.49 | - | May 9 | Eugene Oregon Twilight, Eugene, OR |
800m | 1:51.72 | - | Apr 4 | Stanford Invitational, Palo Alto, CA |
800m-short-track | 1:52.90 | - | Mar 8 | Boston IC4A Indoor Championships, Boston, MA (i) |
1500m-short-track | 3:43.52 | - | Feb 24 | US Indoor Championships, Boston, MA (i) |
Mile | 4:00.18 | - | Jan 19 | Seattle UW Indoor Preview, Seattle, WA (i) |
2007
23 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
800m | 1:50.31 | - | Jun 30 | Bloomington, IN |
800m | 1:50.59 | - | Jun 27 | Bloomington AMC High Performance Series, Bloomington, IN |
1500m | 3:43.00 | - | Jun 25 | Bloomington, IN |
1500m | 3:41.93 | - | Jun 22 | US Championships, Indianapolis, IN |
1500m | 3:45.91 | - | Jun 3 | Los Angeles SoCal USATF Ch., Los Angeles, CA |
1500m | 3:42.42 | - | May 27 | Eugene NIKE Road To Eugene '08, Eugene, OR |
800m | 1:52.58 | - | May 5 | Princeton Heptagonal Ch., Princeton, NJ |
800m | 1:51.08 | - | May 5 | Eugene Oregon Twilight, Eugene, OR |
800m | 1:51.58 | - | Apr 21 | Storrs Husky Spring Invite, Storrs, CT |
1500m | 3:43.62 | - | Apr 20 | Eugene Oregon Invitational, Eugene, OR |
800m | 1:50.48 | - | Mar 31 | Stanford Invitational, Palo Alto, CA |
800m | 1:51.89 | - | Mar 17 | Eugene Oregon Preview, Eugene, OR |
mile-short-track | 4:04.56 | - | Feb 25 | US Indoor Championships, Boston, MA (i) |
800m-short-track | 1:53.13 | - | Feb 25 | New York Heptagonal Indoor Championships, New York, NY (i) |
800m-short-track | 1:54.05 | - | Feb 24 | New York Heptagonal Indoor Championships, New York, NY (i) |
400m-short-track | 49.83 | - | Feb 18 | Boston USATF New England Indoor Championships, Boston, MA (i) |
Mile | 4:02.14 | - | Feb 10 | Seattle Husky Classic |
800m-short-track | 1:54.64 | - | Feb 10 | Boston St. Valentine Invitational, Boston, MA (i) |
1000m-short-track | 2:27.23 | - | Feb 2 | New Haven Giegengack Invitational, New Haven, CT (i) |
800m-short-track | 1:53.38 | - | Jan 27 | Cambridge Harvard vs Brown vs Cornell, Cambridge, MA (i) |
Mile | 4:05.08 | - | Jan 27 | Seattle UW Indoor Invitational, Seattle, WA (i) |
Mile | 4:05.08 | - | Jan 26 | Seattle UW Indoor Invitational, Seattle, WA (i) |
1000m-short-track | 2:28.72 | - | Jan 20 | Kingston URI Sorlein Memorial Classic, Kingston, RI (i) |
2006
5 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
1500m | 3:44.30 | - | Jul 1 | Bloomington AMC High Performance Series, Bloomington, IN |
1500m | 3:46.24 | - | Jun 25 | US Championships, Indianapolis, IN |
1500m | 3:42.79 | - | Jun 23 | US Championships, Indianapolis, IN |
800m | 1:51.65 | - | Jun 10 | Colts Neck NJ International Track Meet, Colts Neck, NJ |
1500m | 3:41.80 | - | May 27 | Eugene Prefontaine Classic, Eugene, OR - National Events |
Showing 1 - 50 of 122
Honours
No medals
FAQ
Frequently asked questions
What is Sean O'Brian's 1500 m personal best?
Sean O'Brian's 1500 m personal best is 3:38.71, set on Jun 27, 2004 in Los Angeles, CA (USA).
Which events does Sean O'Brian compete in?
Sean O'Brian competes in the 1500 m and Mile Short Track.
How did Sean O'Brian perform in 2013?
2013 season best: 4:23.16, set on Jan 26, 2013.