HalfRuns
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Sean O'Neill

MaleNew York19932025

84

Total Finishes

57

Distinct Races

18

States (35%)

1:04:08

PR (4:54/mi)

1:57:30

Average

-0:13:37

Faster (first to last)

Medal House

2006

Georgetown to Idaho Springs Half Marathon

1:29:56
#65 overall#57 gender
2004

2026 - NorthShore Inline Marathon

1:04:08
#65 overall#42 gender
2004

Rock ‘n’ Roll Philadelphia Half Marathon

1:33:40
#805 overall#691 gender
2004

DRC Half Marathon and 5K

1:41:58
#359 overall#305 gender
2003

Perth Half Marathon

1:15:21
#2 overall#2 gender
2003

Rock ‘n’ Roll Philadelphia Half Marathon

1:33:07
#710 overall#612 gender
2002

Rock ‘n’ Roll Philadelphia Half Marathon

1:40:58
#982 overall#801 gender
2001

Rock ‘n’ Roll Philadelphia Half Marathon

1:36:44
#1009 overall#860 gender
2000

Rock ‘n’ Roll Philadelphia Half Marathon

1:35:33
#1024 overall#863 gender
1999

Rock ‘n’ Roll Philadelphia Half Marathon

1:37:08
#1125 overall#967 gender
1998

LONG ISLAND MARATHON FESTIVAL

2:03:21
#2253 overall#1741 gender
1993

LONG ISLAND MARATHON FESTIVAL

2:03:39
#3070 overall#2597 gender

Performance Timeline

PR 1:04:081993199819992000200120022003200320042004200420062006200620062006200720072007200720072007200720082008200820092009200920102010201120112011201120112012201220122012201220132013201420142014201520152015201520152015201520162016201620162016201620162016201720172017201720172017201720172018201820182018201820182018201820192019201920192020202020212021202120212022202220222022202220222022202320232023202320232023202420242024202420252025

Complete Race Log

YearRaceStateTimePlace
2025DEXTER-ANN ARBOR RUNDexterMI1:44:38#413
2025Rockfest Half MarathonHampton BeachNH1:50:02#400
2024DEXTER-ANN ARBOR RUNDexterMI1:46:18#441
2024Philadelphia Distance RunPhiladelphiaPA1:47:13#770
2024Shipyard Old Port Half MarathonPortlandME1:49:21#489
2024BoulderthonBoulderCO2:23:41#2446
2023Love Run Half MarathonPhiladelphiaPA1:50:30#1173
2023DC Half RacesWashingtonDC2:05:24#2072
2023Delaware Running FestivalWilmingtonDE2:06:23#306
2023Philadelphia Distance RunPhiladelphiaPA2:10:52#1601
2023Mushroom Cap Half Marathon and FUNGI 5 Miler EventKennett SquarePA2:15:57#324
2023Urban Cow Half MarathonSacramentoCA2:42:22#1981
2022Boston's Run To RememberBostonMA1:49:11#314
2022Newport Rhode RacesNewportRI1:50:06#373
2022Newport Rhode RaceNewportRI1:50:06#373
2022Cambridge Half Marathon + 5KCambridgeMA1:57:14#1656
2022PHILADELPHIA DISTANCE RUNPhiladelphiaPA2:18:13#1945
2022Philadelphia Distance RunPhiladelphiaPA2:18:13#1937
2022Shamrock MarathonVirginia BeachVA2:30:28#3669
2021Dallas Marathon WeekendDallasTX1:52:11#1098
2021Newburyport Half Marathon and RelayNewburyportMA1:52:22#242
2021PHILADELPHIA DISTANCE RUNPhiladelphiaPA2:13:36#1417
2021Philadelphia Distance RunPhiladelphiaPA2:13:36#1412
2020Boston's Run To RememberBostonMA1:52:17#21
20202027 Walt Disney World® Marathon WeekendOrlandoFL1:59:23#1212
2019Superhero Half-Marathon and RelayMorris TownshipNJ1:10:04#253
20192026 Superhero Half Marathon and RelayMorristownNJ1:58:18#253
2019Portland MarathonPortlandOR2:01:40#1093
2019Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:12:27#2847
2018Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenverCO1:59:11#1176
2018The Unforgettable Staten Island Half Marathon!Staten IslandNY2:00:38#5299
2018Philadelphia MarathonPhiladelphiaPA2:01:09#3960
2018LONG ISLAND MARATHON FESTIVALEast MeadowNY2:09:26#1117
2018Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:10:47#2989
2018GREAT SOUTH BAY RUNBay ShoreNY2:12:45#227
2018Northwell Health Great South Bay RunBay ShoreNY2:12:45#227
2018Pinckney Trail WeekendPinckneyMI2:50:18#479
2017Napa to Sonoma Wine Country Half MarathonSonomaCA1:41:03#129
2017Philadelphia MarathonPhiladelphiaPA1:54:39#2522
2017The Unforgettable Staten Island Half Marathon!Staten IslandNY2:04:31#4516
2017The LESS Popular Brooklyn Half Marathon!BrooklynNY2:07:35#16170
2017Austin MarathonAustinTX2:08:56#2088
2017Cambridge Half Marathon + 5KCambridgeMA2:10:57#4167
2017Northwell Health Great South Bay RunBay ShoreNY2:17:33#224
2017Pittsburgh Marathon WeekendPittsburghPA3:03:32#184
2016Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:44:46#831
2016Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA1:49:18#542
2016Lincoln MarathonLincolnNE1:51:37#1454
2016Philadelphia MarathonPhiladelphiaPA1:53:52#2153
2016Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:01:28#3012
2016Kaiser Permanente Colfax MarathonDenverCO2:09:01#2059
2016The Unforgettable Staten Island Half Marathon!Staten IslandNY2:10:31#6766
20162026 - San Antonio MarathonSan AntonioTX3:10:43#8777
2015Chevron City to Surf for ActivBurswoodWA1:22:36#19
2015Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenverCO1:27:34#66
2015Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:46:20#1689
2015Lincoln MarathonLincolnNE1:52:03#1220
2015Omaha MarathonOmahaNE1:54:24#288
2015Mini Donut Half Marathon and 5K Honor Walk/RunOnalaskaWI2:03:58#113
2015NYRR Fred Lebow Half MarathonNew YorkNY2:04:30#2595
2014Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenverCO1:41:32#467
2014LONG ISLAND MARATHON FESTIVALEast MeadowNY2:00:01#1440
2014Race 13.1 Midtown Raleigh - SpringRaleighNC2:25:53#661
20131/2 Sauer 1/2 KrautPhiladelphiaPA1:39:33#39
2013Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA1:54:01#797
2012Virginia Wine Country Half MarathonHillsboroVA1:39:43#83
2012Hyannis MarathonHyannisMA1:47:07#767
2012Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA1:48:54#696
2012Life Time Chicago Half Marathon + 5KChicagoIL2:08:02#5533
20122025 Aramco Houston Half Marathon Searchable Finish Line VideoHoustonTX2:34:11#6739
2011Chevron City to Surf for ActivBurswoodWA1:14:28#9
2011Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:52:51#4193
2011Sunrise Marathon 5K/10K/13.1 KANSAS CITYKansas CityMO1:54:43#1130
2011Oakland Running FestivalOaklandCA1:58:37#928
2011Rock 'n' Roll San DiegoSan DiegoCA2:17:01#6983
2010Oakland Running FestivalOaklandCA1:49:52#416
2010Rock 'n' Roll San JoseSan JoseCA2:09:07#4053
2009Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA1:49:35#525
2009Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:50:04#3533
2009Foot Traffic Flat MarathonPortlandOR1:51:55#476
2008Greater St. Louis MarathonSt. LouisMO1:27:44#99
2008NYRR Fred Lebow Half MarathonNew YorkNY1:53:30#2171
2008United Airlines NYC HalfNew YorkNY2:01:03#4608
2007Rocky Mountain Half Marathon & 5KEstes ParkCO1:34:31#42
2007Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:44:03#2325
2007United Airlines NYC HalfNew YorkNY1:44:34#1819
2007Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA1:47:28#350
2007Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:50:04#1470
2007NYRR Fred Lebow Half MarathonNew YorkNY1:51:45#1648
200717th Annual Myrtle Beach Mini Marathon & Coastal 5KMyrtle BeachSC2:27:25#1732
2006Georgetown to Idaho Springs Half MarathonUnknownCO1:29:56#65
2006United Airlines NYC HalfNew YorkNY1:37:29#841
2006Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:38:37#1126
2006Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:57:37#4217
2006Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA2:07:42#895
20042026 - NorthShore Inline MarathonDuluthMN1:04:08#65
2004Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:33:40#805
2004DRC Half Marathon and 5KDallasTX1:41:58#359
2003Perth Half MarathonBurswoodWA1:15:21#2
2003Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:33:07#710
2002Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:40:58#982
2001Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:36:44#1009
2000Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:35:33#1024
1999Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:37:08#1125
1998LONG ISLAND MARATHON FESTIVALEast MeadowNY2:03:21#2253
1993LONG ISLAND MARATHON FESTIVALEast MeadowNY2:03:39#3070

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

PAPennsylvania
29 races
NYNew York
17 races
CACalifornia
12 races
COColorado
7 races
MAMassachusetts
6 races
TXTexas
5 races
MIMichigan
3 races
NENebraska
3 races
VAVirginia
3 races
WAWashington
3 races
MOMissouri
2 races
NJNew Jersey
2 races
OROregon
2 races
ILIllinois
1 race
MNMinnesota
1 race
NCNorth Carolina
1 race
SCSouth Carolina
1 race
WIWisconsin
1 race

50-State Challenge

18/ 51 states + DC

33 states to go