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JO
John O'Sullivan
MaleNew York1987–2025
105
Total Finishes
44
Distinct Races
9
States (18%)
1:37:35
PR (7:27/mi)
2:17:35
Average
+1:01:13
Slower (first to last)
Medal House
2007
United Airlines NYC Half
1:55:51
#3875 overall#2726 gender
2007
The LESS Popular Brooklyn Half Marathon!
1:58:29
#2567 overall#1885 gender
2007
Kaiser Permanente San Francisco Half Marathon & 5K
2:14:39
#3490 overall#2033 gender
2006
E Murray Todd Half Marathon
1:44:26
#145 overall#122 gender
2005
Run SF "Golden Gate City" 5K/10K/13.1
2:09:57
#545 overall#543 gender
2004
NYCRUNS Brooklyn Ice Cream Social Half Marathon
2:07:19
#1363 overall#1046 gender
2003
NYCRUNS Brooklyn Ice Cream Social Half Marathon
2:05:25
#1745 overall#1304 gender
2003
The LESS Popular Brooklyn Half Marathon!
2:16:36
#2783 overall#1814 gender
2002
NYRR Fred Lebow Half Marathon
2:26:59
#4412 overall#2742 gender
2000
NYRR Fred Lebow Half Marathon
2:12:33
#3778 overall#2496 gender
1989
The LESS Popular Brooklyn Half Marathon!
1:53:57
#1328 overall#1160 gender
1987
The LESS Popular Brooklyn Half Marathon!
1:54:41
#1274 overall#1106 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | NYRR Fred Lebow Half MarathonNew York | NY | 2:06:52 | #2770 |
| 2025 | United Airlines NYC HalfNew York | NY | 2:14:12 | #17766 |
| 2025 | American River Parkway Half MarathonSacramento | CA | 2:37:38 | #510 |
| 2025 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:55:54 | #26514 |
| 2024 | Mighty Niagara Half Marathon & Hospice Dash 5KYoungstown | NY | 1:37:35 | #65 |
| 2024 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:05:04 | #14865 |
| 2024 | NYRR Fred Lebow Half MarathonNew York | NY | 2:07:02 | #2305 |
| 2023 | EVL Halloween Half Marathon, 5k, Half Marathon RelayEllicottville | NY | 1:38:57 | #39 |
| 2023 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:53:31 | #8464 |
| 2023 | NYRR Fred Lebow Half MarathonNew York | NY | 2:02:38 | #2706 |
| 2023 | Hometown Half Marathon & 5k/10k - St LouisSaint Charles | MO | 2:02:39 | #63 |
| 2023 | Apple Hill Half Marathon & 5KCamino | CA | 2:49:01 | #232 |
| 2022 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 2:03:46 | #4103 |
| 2022 | United Airlines NYC HalfNew York | NY | 2:04:58 | #10634 |
| 2022 | 47th Colonial Half Marathon and 5KWilliamsburg | VA | 2:05:26 | #293 |
| 2022 | JSRC RunAPaloozaAsbury Park | NJ | 2:26:54 | #769 |
| 2022 | Runapalooza Asbury ParkAsbury Park | NJ | 2:26:54 | #768 |
| 2022 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 3:27:43 | #18527 |
| 2021 | Detroit Free Press MarathonDetroit | MI | 2:10:20 | #2090 |
| 2021 | United Airlines NYC HalfNew York | NY | 2:33:47 | #9672 |
| 2020 | NYRR Fred Lebow Half MarathonNew York | NY | 2:05:47 | #2855 |
| 2019 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:59:33 | #11556 |
| 2019 | NYRR Fred Lebow Half MarathonNew York | NY | 2:08:24 | #2264 |
| 2019 | Shamrock Half Marathon & RelayManchester | NH | 2:09:03 | #388 |
| 2019 | Shamrock'n Half MarathonSacramento | CA | 2:15:34 | #1695 |
| 2019 | Lola's Lake WaconiaWaconia | MN | 2:16:49 | #705 |
| 2019 | Minnesota Half Marathon and 5kSaint Paul | MN | 2:35:11 | #830 |
| 2019 | Berkeley Half MarathonBerkeley | CA | 2:41:47 | #4147 |
| 2019 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:46:42 | #3433 |
| 2019 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 3:47:13 | #4267 |
| 2018 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 1:44:44 | #492 |
| 2018 | Running of the ElkElk Grove | CA | 2:03:04 | #104 |
| 2018 | Shamrock'n Half MarathonSacramento | CA | 2:04:52 | #1146 |
| 2018 | Rock 'n' Roll San DiegoSan Diego | CA | 2:10:00 | #4165 |
| 2018 | Folsom Blues BreakoutFolsom | CA | 2:10:26 | #299 |
| 2018 | Urban Cow Half MarathonSacramento | CA | 2:11:48 | #1364 |
| 2018 | Lake Minnetonka Half MarathonWayzata | MN | 2:21:33 | #1826 |
| 2018 | Minnesota Half Marathon and 5kSaint Paul | MN | 2:26:30 | #691 |
| 2018 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:32:02 | #2295 |
| 2017 | United Airlines NYC HalfNew York | NY | 2:03:46 | #9602 |
| 2017 | Gold Country Half MarathonEl Dorado Hills | CA | 2:09:14 | #314 |
| 2017 | Shamrock'n Half MarathonSacramento | CA | 2:09:27 | #1242 |
| 2017 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:24:33 | #22086 |
| 2017 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:42:06 | #3615 |
| 2017 | Mount Dora Half Marathon & 5KMount Dora | FL | 2:48:41 | #746 |
| 2016 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:53:55 | #8624 |
| 2016 | United Airlines NYC HalfNew York | NY | 2:01:24 | #9492 |
| 2016 | Race to Robie Creek®Boise | ID | 2:36:17 | #1429 |
| 2016 | Race to Robie CreekBoise | ID | 2:36:18 | #1435 |
| 2016 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 2:39:55 | #9873 |
| 2016 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:46:09 | #3735 |
| 2015 | Shamrock MarathonVirginia Beach | VA | 1:45:38 | #922 |
| 2015 | Summit RockSaratoga | CA | 2:04:04 | #21 |
| 2015 | NYRR Fred Lebow Half MarathonNew York | NY | 2:08:01 | #2865 |
| 2015 | Shamrock'n Half MarathonSacramento | CA | 2:10:39 | #2240 |
| 2015 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:21:04 | #20831 |
| 2014 | Shamrock MarathonVirginia Beach | VA | 2:00:06 | #2538 |
| 2014 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:00:55 | #12548 |
| 2014 | Shamrock'n Half MarathonSacramento | CA | 2:01:17 | #1726 |
| 2014 | Oakland Running FestivalOakland | CA | 2:07:13 | #1388 |
| 2014 | Kona MarathonKailua Kona | HI | 2:12:48 | #225 |
| 2014 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 2:15:08 | #6978 |
| 2014 | United Airlines NYC HalfNew York | NY | 2:20:37 | #16446 |
| 2014 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:38:47 | #3855 |
| 2014 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:55:56 | #3935 |
| 2013 | United Airlines NYC HalfNew York | NY | 1:58:27 | #6634 |
| 2013 | OUC Orlando Half MarathonOrlando | FL | 2:01:28 | #1052 |
| 2013 | Fairfield Road RacesFairfield | CT | 2:02:50 | #1639 |
| 2013 | Novo Nordisk New Jersey MarathonLong Branch | NJ | 2:09:07 | #2868 |
| 2013 | Oakland Running FestivalOakland | CA | 2:16:50 | #1864 |
| 2013 | The Giant RaceSan Francisco | CA | 2:33:50 | #3917 |
| 2013 | Brazen Summer BreezeSan Leandro | CA | 2:44:09 | #432 |
| 2013 | Berkeley Half MarathonBerkeley | CA | 2:45:52 | #4186 |
| 2013 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:49:45 | #5258 |
| 2013 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:50:52 | #3218 |
| 2013 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:51:54 | #20969 |
| 2012 | Shamrock MarathonVirginia Beach | VA | 1:37:43 | #330 |
| 2012 | Novo Nordisk New Jersey MarathonLong Branch | NJ | 2:14:30 | #3664 |
| 2012 | Running of the ElkElk Grove | CA | 2:17:48 | #470 |
| 2012 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:19:36 | #3694 |
| 2012 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:50:59 | #3325 |
| 2011 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 2:04:30 | #3071 |
| 2011 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:32:18 | #3256 |
| 2010 | Urban Cow Half MarathonSacramento | CA | 2:13:59 | #1637 |
| 2010 | Santa Barbara Wine Country Half MarathonSolvang | CA | 2:36:20 | #1627 |
| 2009 | United Airlines NYC HalfNew York | NY | 2:04:02 | #4361 |
| 2009 | NYRR Fred Lebow Half MarathonNew York | NY | 2:10:55 | #3473 |
| 2009 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:23:25 | #4477 |
| 2009 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:26:31 | #1958 |
| 2009 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:27:39 | #8418 |
| 2009 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:32:43 | #4691 |
| 2008 | Dismal Swamp Stomp Running FestivalChesapeake | VA | 1:39:07 | #85 |
| 2008 | United Airlines NYC HalfNew York | NY | 1:43:25 | #1487 |
| 2008 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:50:39 | #2222 |
| 2008 | Westchester Medical Center Running FestivalWhite Plains | NY | 1:56:04 | #264 |
| 2008 | Rock 'n' Roll San JoseSan Jose | CA | 2:27:21 | #6143 |
| 2008 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:36:21 | #2775 |
| 2007 | United Airlines NYC HalfNew York | NY | 1:55:51 | #3875 |
| 2007 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:58:29 | #2567 |
| 2007 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:14:39 | #3490 |
| 2006 | E Murray Todd Half MarathonColts Neck | NJ | 1:44:26 | #145 |
| 2005 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:09:57 | #545 |
| 2004 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:07:19 | #1363 |
| 2003 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:05:25 | #1745 |
| 2003 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:16:36 | #2783 |
| 2002 | NYRR Fred Lebow Half MarathonNew York | NY | 2:26:59 | #4412 |
| 2000 | NYRR Fred Lebow Half MarathonNew York | NY | 2:12:33 | #3778 |
| 1989 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:53:57 | #1328 |
| 1987 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:54:41 | #1274 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
46 racesCACalifornia
40 racesNJNew Jersey
5 racesVAVirginia
5 racesMNMinnesota
4 racesFLFlorida
2 racesCTConnecticut
1 raceMOMissouri
1 raceMAMassachusetts
0 races50-State Challenge
9/ 51 states + DC
42 states to go