Back to League Tables
WS
William Sullivan
MaleNew York1981–2026
163
Total Finishes
90
Distinct Races
29
States (57%)
1:21:42
PR (6:14/mi)
2:14:33
Average
+1:02:15
Slower (first to last)
Medal House
2003
Race to Robie Creek
1:48:21
#200 overall#182 gender
2002
NYCRUNS Brooklyn Ice Cream Social Half Marathon
1:21:56
#57 overall#56 gender
2002
The LESS Popular Brooklyn Half Marathon!
1:27:22
#250 overall#234 gender
2002
The Unforgettable Staten Island Half Marathon!
1:37:14
#377 overall#333 gender
2002
NYRR Fred Lebow Half Marathon
2:13:40
#3325 overall#2208 gender
2001
B.A.A. Half Marathon
1:39:09
#322 overall#266 gender
2000
The LESS Popular Brooklyn Half Marathon!
1:25:43
#149 overall#142 gender
2000
The Unforgettable Staten Island Half Marathon!
1:36:39
#460 overall#408 gender
2000
Kiawah Island Marathon
1:51:20
#447 overall#310 gender
1999
NYRR Fred Lebow Half Marathon
1:29:09
#186 overall#171 gender
1991
DEXTER-ANN ARBOR RUN
1:34:39
#214 overall#202 gender
1981
Hospital Hill Run
1:27:34
#193 overall#190 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | DONNA Marathon WeekendJacksonville Beach | FL | 1:57:32 | #786 |
| 2026 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 1:58:26 | #3555 |
| 2026 | Railway Marathon & Half Marathon presented by CraneWorksFultondale | AL | 2:29:49 | #225 |
| 2025 | United Airlines NYC HalfNew York | NY | 1:45:30 | #5688 |
| 2025 | Kaiser Permanente Colfax MarathonDenver | CO | 1:48:16 | #730 |
| 2025 | Lucky 5K/10K/Half Marathon - St GeorgeSaint George | UT | 1:56:23 | #894 |
| 2025 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:09:46 | #13454 |
| 2025 | Berkeley Half MarathonBerkeley | CA | 2:11:44 | #2062 |
| 2025 | Rockfest Half MarathonHampton Beach | NH | 2:15:01 | #1380 |
| 2024 | River Run Half MarathonBerea | OH | 1:37:51 | #86 |
| 2024 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 1:42:47 | #1703 |
| 2024 | Harborside Half Marathon & 5KNewburyport | MA | 2:07:23 | #746 |
| 2024 | Rockfest Half MarathonHampton Beach | NH | 2:07:47 | #1135 |
| 2024 | Rocky RunPhiladelphia | PA | 3:39:16 | #5308 |
| 2024 | Tri-State New Jersey Spartan Trifecta Event Weekend - BeastVernon | NJ | 9:44:41 | #1774 |
| 2023 | Bass Pro Shops Conservation MarathonSpringfield | MO | 1:21:42 | #11 |
| 2023 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 1:34:47 | #914 |
| 2023 | United Airlines NYC HalfNew York | NY | 1:43:07 | #3956 |
| 2023 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:44:53 | #5049 |
| 2023 | BEAR MOUNTAIN TRAIL CHALLENGEBear Mountain, Tomkins Cove | NY | 6:23:44 | #224 |
| 2022 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 1:37:38 | #976 |
| 2022 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:43:19 | #2949 |
| 2022 | Hamptons Marathon & Half MarathonEast Hampton | NY | 2:09:40 | #430 |
| 2022 | Rocky RunPhiladelphia | PA | 2:49:36 | #1710 |
| 2022 | Detroit Free Press MarathonDetroit | MI | 2:55:40 | #5170 |
| 2021 | Hamptons Marathon & Half MarathonEast Hampton | NY | 2:10:24 | #501 |
| 2020 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 1:52:05 | #2063 |
| 2020 | 18th Annual F^3 Lake Half Marathon & 5kChicago | IL | 2:37:56 | #1356 |
| 2020 | Life Time Miami Marathon & HalfMiami | FL | 3:44:13 | #14820 |
| 2019 | Fort Hill Brewery Half Marathon & 5KEasthampton | MA | 1:47:48 | #51 |
| 2019 | Spirit of Oregon Half MarathonSalem | OR | 1:50:13 | #64 |
| 2019 | United Airlines NYC HalfNew York | NY | 1:54:22 | #7863 |
| 2019 | NYRR Fred Lebow Half MarathonNew York | NY | 1:57:10 | #1474 |
| 2019 | Rocky RunPhiladelphia | PA | 2:05:35 | #856 |
| 2019 | Hamptons Marathon & Half MarathonEast Hampton | NY | 2:07:03 | #523 |
| 2018 | Northshore half marathonHighland Park | IL | 1:39:55 | #73 |
| 2018 | North Shore ClassicHighland Park | IL | 1:39:55 | #73 |
| 2018 | Happy Valley Half MarathonNorthampton | MA | 1:41:49 | #68 |
| 2018 | Fort Hill Brewery Half Marathon & 5KEasthampton | MA | 1:44:27 | #33 |
| 2018 | Shipyard Old Port Half MarathonPortland | ME | 1:46:44 | #435 |
| 2018 | Rock n Roll NashvilleNashville | TN | 1:53:20 | #1456 |
| 2018 | Rock 'n' Roll New OrleansNew Orleans | LA | 1:55:09 | #963 |
| 2018 | Rocky RunPhiladelphia | PA | 2:03:14 | #647 |
| 2018 | UTHealth Houston Half Marathon & 10KHouston | TX | 2:06:42 | #1577 |
| 2018 | 64th Annual Ocean Beach/John & Jessie Kelley Half MarathonNew London | CT | 2:07:31 | #337 |
| 2018 | Hamptons Marathon & Half MarathonEast Hampton | NY | 2:07:59 | #645 |
| 2018 | Key West Half Marathon & 5K, 8K, 10K, Rum Stroll & Beer MileKey West | FL | 2:48:14 | #1817 |
| 2018 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 3:09:20 | #639 |
| 2017 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:47:38 | #6139 |
| 2017 | Idaho Falls MarathonIdaho Falls | ID | 1:54:34 | #45 |
| 2017 | SEASIDE SCHOOL™ Half Marathon + 5KSeaside | FL | 1:56:22 | #424 |
| 2017 | Seaside Half-Marathon and 5KSeaside | FL | 1:56:23 | #424 |
| 2017 | Hamptons Marathon & Half MarathonEast Hampton | NY | 2:06:22 | #402 |
| 2017 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:22:55 | #2481 |
| 2017 | Carlsbad MarathonCarlsbad | CA | 2:57:24 | #4852 |
| 2016 | Great Bay Half MarathonNewmarket | NH | 1:41:58 | #98 |
| 2016 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:42:30 | #291 |
| 2016 | The Giant RaceSan Francisco | CA | 1:51:06 | #493 |
| 2016 | United Airlines NYC HalfNew York | NY | 1:51:51 | #5791 |
| 2016 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:53:00 | #1657 |
| 2016 | Thanksgiving Distance ClassicJacksonville | FL | 2:12:44 | #1020 |
| 2016 | Spring Georgetown Memorial 5K & HalfWashington | DC | 2:13:19 | #49 |
| 2016 | Jacksonville Bank Marathon, Half MarathonJacksonville | FL | 2:18:32 | #558 |
| 2016 | Rock n Roll NashvilleNashville | TN | 2:25:18 | #8805 |
| 2015 | 2026 Superhero Half Marathon and RelayMorristown | NJ | 1:35:53 | #55 |
| 2015 | Key West Half Marathon & 5K, 8K, 10K, Rum Stroll & Beer MileKey West | FL | 1:46:56 | #152 |
| 2015 | Rock 'n' Roll New OrleansNew Orleans | LA | 1:56:37 | #1264 |
| 2015 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:57:28 | #1108 |
| 2015 | United Airlines NYC HalfNew York | NY | 1:59:26 | #8443 |
| 2015 | Surftown Half, 2-Person Relay & 5KWesterly | RI | 2:01:10 | #516 |
| 2015 | Thanksgiving Distance ClassicJacksonville | FL | 2:08:42 | #976 |
| 2015 | Boston's Run To RememberBoston | MA | 2:09:34 | #4041 |
| 2015 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 3:01:41 | #14457 |
| 2014 | Annapolis Running ClassicAnnapolis | MD | 1:37:36 | #125 |
| 2014 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:42:40 | #1234 |
| 2014 | Fort Worth MarathonFort Worth | TX | 1:44:19 | #48 |
| 2014 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:45:49 | #335 |
| 2014 | United Airlines NYC HalfNew York | NY | 1:50:10 | #5518 |
| 2014 | St. Pete Beach ClassicSaint Petersburg | FL | 1:51:43 | #63 |
| 2014 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:58:06 | #11076 |
| 2014 | Boston's Run To RememberBoston | MA | 2:02:34 | #3281 |
| 2014 | B.A.A. Half MarathonBoston | MA | 2:07:17 | #3694 |
| 2014 | Philadelphia MarathonPhiladelphia | PA | 2:09:17 | #6351 |
| 2014 | Thanksgiving Distance ClassicJacksonville | FL | 2:30:26 | #1710 |
| 2013 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 1:38:13 | #559 |
| 2013 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:41:09 | #3178 |
| 2013 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:44:56 | #448 |
| 2013 | United Airlines NYC HalfNew York | NY | 1:51:34 | #4463 |
| 2013 | B.A.A. Half MarathonBoston | MA | 1:57:31 | #2533 |
| 2013 | Fairfield Road RacesFairfield | CT | 2:08:31 | #2063 |
| 2013 | Hyannis MarathonHyannis | MA | 2:29:04 | #2121 |
| 2013 | Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg | IL | 3:11:11 | #826 |
| 2013 | Thanksgiving Distance ClassicJacksonville | FL | 3:26:52 | #2294 |
| 2012 | Holiday Half Marathon / 8KPoint Clear | AL | 1:52:40 | #50 |
| 2012 | United Airlines NYC HalfNew York | NY | 1:58:23 | #7366 |
| 2012 | Nantucket Half MarathonNantucket | MA | 1:59:28 | #68 |
| 2012 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:00:52 | #1527 |
| 2012 | 2026 Superhero Half Marathon and RelayMorristown | NJ | 2:02:51 | #506 |
| 2012 | Mercedes Benz Marathon and Half MarathonBirmingham | AL | 2:09:40 | #1832 |
| 2012 | Carlsbad MarathonCarlsbad | CA | 2:20:41 | #4483 |
| 2012 | Triple Lakes Trail RaceGreensboro | NC | 3:11:50 | #171 |
| 2012 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 3:55:15 | #4138 |
| 2011 | United Airlines NYC HalfNew York | NY | 1:35:37 | #1198 |
| 2011 | Jacksonville Bank Marathon, Half MarathonJacksonville | FL | 1:48:16 | #326 |
| 2011 | Holiday Half Marathon / 8KPoint Clear | AL | 1:51:41 | #93 |
| 2011 | Rock 'n' Roll San DiegoSan Diego | CA | 1:59:13 | #3079 |
| 2011 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:02:13 | #7069 |
| 2011 | Seaside Half-Marathon and 5KSeaside | FL | 2:04:50 | #882 |
| 2011 | Hyannis MarathonHyannis | MA | 2:07:58 | #1817 |
| 2011 | Rock n Roll NashvilleNashville | TN | 2:08:24 | #6056 |
| 2011 | Pensacola Beach Run Half MarathonPensacola Beach | FL | 2:14:55 | #545 |
| 2011 | Carlsbad MarathonCarlsbad | CA | 2:30:20 | #4872 |
| 2011 | Lake Country Half MarathonOconomowoc | WI | 2:40:14 | #613 |
| 2011 | Morgan Hill Marathon & Half MarathonMorgan Hill | CA | 3:01:42 | #1005 |
| 2011 | Oakland Running FestivalOakland | CA | 3:32:08 | #3275 |
| 2011 | Monterey Bay Half MarathonMonterey | CA | 3:33:59 | #6011 |
| 2011 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 3:35:36 | #4196 |
| 2010 | Fargo Marathon WeekendFargo | ND | 1:23:31 | #544 |
| 2010 | United Airlines NYC HalfNew York | NY | 1:31:46 | #778 |
| 2010 | NYRR Fred Lebow Half MarathonNew York | NY | 1:32:49 | #503 |
| 2010 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:34:14 | #183 |
| 2010 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 1:52:47 | #204 |
| 2010 | Kaiser Permanente Colfax MarathonDenver | CO | 1:53:57 | #631 |
| 2010 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:01:58 | #3748 |
| 2010 | Rock n Roll NashvilleNashville | TN | 2:14:40 | #8248 |
| 2010 | Providence Rhode RacesEast Providence | RI | 2:31:12 | #2015 |
| 2010 | Monterey Bay Half MarathonMonterey | CA | 3:28:55 | #5562 |
| 2010 | Morgan Hill Marathon & Half MarathonMorgan Hill | CA | 3:29:06 | #604 |
| 2010 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 3:35:28 | #3370 |
| 2010 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmond | VA | 4:16:25 | #5562 |
| 2009 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:40:53 | #1269 |
| 2009 | United Airlines NYC HalfNew York | NY | 1:42:08 | #1061 |
| 2009 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:43:51 | #1036 |
| 2009 | Buffalo Marathon WeekendBuffalo | NY | 1:57:16 | #657 |
| 2009 | Providence Rhode RacesEast Providence | RI | 2:00:32 | #785 |
| 2009 | Johnny Kelley Half MarathonHyannis | MA | 2:02:16 | #264 |
| 2009 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:02:29 | #6500 |
| 2009 | St. Jude Memphis Marathon WeekendMemphis | TN | 2:07:28 | #2223 |
| 2009 | Beer City Half™ San DiegoSan Diego | CA | 2:07:38 | #3229 |
| 2009 | Life Time Miami Marathon & HalfMiami | FL | 2:10:00 | #3903 |
| 2009 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 2:36:39 | #3568 |
| 2009 | Monterey Bay Half MarathonMonterey | CA | 3:16:32 | #4490 |
| 2009 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 3:24:28 | #2731 |
| 2009 | Rock 'n' Roll San JoseSan Jose | CA | 3:28:35 | #9364 |
| 2008 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:23:24 | #32 |
| 2008 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:41:48 | #1217 |
| 2008 | Publix Atlanta Marathon, Half Marathon & 5KAtlanta | GA | 1:51:20 | #1389 |
| 2008 | NYRR Fred Lebow Half MarathonNew York | NY | 1:54:00 | #2210 |
| 2008 | Thanksgiving Day Half MarathonAtlanta | GA | 1:55:30 | #2552 |
| 2008 | First Midwest Half MarathonPalos Heights | IL | 1:57:24 | #545 |
| 2008 | Rock n Roll NashvilleNashville | TN | 2:00:02 | #4654 |
| 2008 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:06:04 | #3990 |
| 2008 | Life Time Chicago Half Marathon + 5KChicago | IL | 2:16:29 | #6419 |
| 2008 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 3:05:54 | #6104 |
| 2008 | Rock 'n' Roll San JoseSan Jose | CA | 3:11:32 | #8546 |
| 2008 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 3:14:00 | #6415 |
| 2008 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 3:26:07 | #4635 |
| 2007 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:27:38 | #58 |
| 2007 | NYRR Fred Lebow Half MarathonNew York | NY | 1:43:21 | #958 |
| 2007 | Publix Atlanta Marathon, Half Marathon & 5KAtlanta | GA | 1:46:48 | #630 |
| 2007 | United Airlines NYC HalfNew York | NY | 1:51:53 | #3068 |
| 2007 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:51:54 | #1874 |
| 2007 | Beer City Half™ San DiegoSan Diego | CA | 2:00:12 | #1764 |
| 2007 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:06:00 | #2256 |
| 2007 | Rock n Roll NashvilleNashville | TN | 2:07:16 | #5798 |
| 2007 | EPIC Marathon and Running FestivalGreen Bay | WI | 2:17:53 | #1851 |
| 2007 | La Jolla Half Marathon & 5KSan Diego | CA | 2:42:34 | #4244 |
| 2007 | Surf City MarathonHuntington Beach | CA | 2:55:55 | #6350 |
| 2007 | Monterey Bay Half MarathonMonterey | CA | 3:07:53 | #139 |
| 2007 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 3:18:26 | #958 |
| 2006 | New Bedford Half MarathonNew Bedford | MA | 1:24:06 | #183 |
| 2006 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:41:46 | #273 |
| 2006 | United Airlines NYC HalfNew York | NY | 1:43:19 | #1518 |
| 2006 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 1:55:43 | #705 |
| 2006 | 47th Colonial Half Marathon and 5KWilliamsburg | VA | 1:57:07 | #576 |
| 2006 | NYRR Fred Lebow Half MarathonNew York | NY | 1:57:58 | #1881 |
| 2006 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:07:21 | #5042 |
| 2006 | Santa Cruz Half MarathonSanta Cruz | CA | 2:57:40 | #1048 |
| 2005 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:52:03 | #1325 |
| 2005 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:56:28 | #1811 |
| 2005 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:00:19 | #1882 |
| 2005 | NYRR Fred Lebow Half MarathonNew York | NY | 2:02:45 | #2973 |
| 2005 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:16:52 | #2780 |
| 2004 | New Bedford Half MarathonNew Bedford | MA | 1:28:33 | #260 |
| 2004 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:36:44 | #350 |
| 2003 | Race to Robie CreekBoise | ID | 1:48:21 | #200 |
| 2002 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 1:21:56 | #57 |
| 2002 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:27:22 | #250 |
| 2002 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 1:37:14 | #377 |
| 2002 | NYRR Fred Lebow Half MarathonNew York | NY | 2:13:40 | #3325 |
| 2001 | B.A.A. Half MarathonBoston | MA | 1:39:09 | #322 |
| 2000 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:25:43 | #149 |
| 2000 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 1:36:39 | #460 |
| 2000 | Kiawah Island MarathonKiawah Island | SC | 1:51:20 | #447 |
| 1999 | NYRR Fred Lebow Half MarathonNew York | NY | 1:29:09 | #186 |
| 1991 | DEXTER-ANN ARBOR RUNDexter | MI | 1:34:39 | #214 |
| 1981 | Hospital Hill RunKansas City | MO | 1:27:34 | #193 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
47 racesCACalifornia
29 racesFLFlorida
17 racesMAMassachusetts
15 racesVAVirginia
12 racesPAPennsylvania
10 racesILIllinois
9 racesCTConnecticut
7 racesALAlabama
4 racesTXTexas
4 racesCOColorado
3 racesGAGeorgia
3 racesNHNew Hampshire
3 racesNJNew Jersey
3 racesIDIdaho
2 racesLALouisiana
2 racesMIMichigan
2 racesMOMissouri
2 racesWIWisconsin
2 racesHIHawaii
1 raceMEMaine
1 raceNCNorth Carolina
1 raceNDNorth Dakota
1 raceOHOhio
1 raceOROregon
1 raceSCSouth Carolina
1 raceUTUtah
1 raceARArkansas
0 racesMSMississippi
0 races50-State Challenge
29/ 51 states + DC
22 states to go