HalfRuns
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William Hennessy

MaleNew York1995–2025

60

Total Finishes

32

Different Races

12

States (24%)

1:08:59

PR (5:16/mi)

2:02:06

Average

-0:18:08

Faster (first to last)

Medal House

2010

Thanksgiving Day Half Marathon

1:36:17
#401 overall#352 gender
2010

Rock 'n' Roll Nashville

1:37:15
#315 overall#272 gender
2009

Thanksgiving Day Half Marathon

1:40:27
#702 overall#587 gender
2009

Less Popular Brooklyn Half Marathon

2:09:42
#6460 overall#4044 gender
2009

NYCRUNS Brooklyn Ice Cream Social Half Marathon

2:12:37
#3728 overall#2398 gender
2009

Long Beach Marathon

2:12:49
#3905 overall#2296 gender
2009

Rock 'n' Roll Arizona Marathon

2:16:30
#8584 overall#4506 gender
2009

United Airlines NYC Half

2:18:17
#6849 overall#3883 gender
2009

The North Face® Endurance Challenge - New York

2:34:07
#149 overall#124 gender
2005

Thanksgiving Day Half Marathon

1:50:06
#1185 overall#912 gender
2004

Rock 'n' Roll New Orleans

1:51:25
#322 overall#251 gender
1995

The Unforgettable Staten Island Half Marathon

1:52:58
#1001 overall#819 gender

Performance Timeline

PR 1:08:591995200420052009200920092009200920092009201020102010201020102010201020102010201120112011201120112011201120112011201120112011201220122012201220122012201220122013201320132013201320132014201520152015201520152016201620172018201920202022202320232024202420242024202420252025202520252025

Complete Race Log

YearRaceStateTimePlace
2025Hidden Gem Half MarathonFlossmoorIL1:09:33#13
2025Milwaukee MarathonMilwaukeeWI1:10:11#1
2025Chicago 13.1ChicagoIL1:10:36#27
2025St. Jude Marathon Weekend—1:18:35#12
2025Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA1:34:50#316
2024Hidden Gem Half MarathonFlossmoorIL1:08:59#11
2024Chicago 13.1ChicagoIL1:23:54#121
2024Run Sunset BeachSunset BeachNC2:05:47#213
2024Run Sunset BeachSunset BeachNC2:05:47#213
2024Surf City MarathonHuntington BeachCA2:46:24#6478
2023Hidden Gem Half MarathonFlossmoorIL1:12:47#16
2023Long Beach MarathonLong BeachCA2:55:35#5798
2022Long Beach MarathonLong BeachCA2:55:05#5619
2020Surf City MarathonHuntington BeachCA3:13:08#8317
2019Lola's Lake Waconia Half MarathonWaconiaMN2:22:19#776
2018St. Jude Memphis Marathon WeekendMemphisTN1:27:57#33
2017Breakneck Point Trail RunsBeaconNY3:42:50#69
2016Lake Minnetonka Half MarathonWayzataMN1:56:08#938
2016Lola's Lake Waconia Half MarathonWaconiaMN2:01:11#438
2015Lake Minnetonka Half MarathonWayzataMN1:45:03#366
2015Rock 'n' Roll Arizona MarathonPhoenixAZ1:46:26#1035
2015Earth Rock RunNorth AndoverMA1:55:54#175
2015Earth Rock Run—1:55:54#176
2015Rock 'n' Roll Las VegasLas VegasNV2:30:12#10733
2014Lake Minnetonka Half MarathonWayzataMN1:47:34#490
2013Lake Minnetonka Half MarathonWayzataMN1:56:31#1095
2013Surf City MarathonHuntington BeachCA2:05:30#4297
2013Surf city USA Marathon—2:05:30#4301
2013Fairfield Road RacesFairfieldCT2:10:16#2180
2013Rock 'n' Roll Arizona MarathonPhoenixAZ2:11:59#5305
2013The North Face® Endurance Challenge - New YorkBear MountainNY2:35:16#305
2012St. Jude Memphis Marathon WeekendMemphisTN1:34:41#85
2012Surf City MarathonHuntington BeachCA2:08:39#5071
2012Surf City USA Marathon—2:08:39#5081
2012United Airlines NYC HalfNew YorkNY2:10:45#10751
2012Lake Minnetonka Half MarathonWayzataMN2:14:07#1884
2012Rock 'n' Roll San DiegoSan DiegoCA2:19:07#8131
2012OC Marathon - Half Marathon - 5KNewport BeachCA2:20:30#4586
2012OC Marathon—2:20:30#4608
2011St. Jude Memphis Marathon WeekendMemphisTN1:31:42#76
2011Thanksgiving Day Half MarathonAtlantaGA1:32:51#293
2011United Airlines NYC HalfNew YorkNY1:55:14#4060
2011Less Popular Brooklyn Half MarathonBrooklynNY1:55:46#2581
2011Surf City MarathonHuntington BeachCA1:56:15#2708
2011Surf City USA Marathon—1:56:15#2712
2011Rock 'n' Roll Arizona MarathonPhoenixAZ2:07:28#6097
2011Lake Minnetonka Half MarathonWayzataMN2:08:41#1630
2011NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY2:14:01#3148
2011NYRR Fred Lebow Half MarathonNew YorkNY2:14:12#3445
2011Long Beach MarathonLong BeachCA2:17:55#4406
2011Long Beach International City Bank Marathon—2:17:55#4438
2010Thanksgiving Day Half MarathonAtlantaGA1:36:17#401
2010Rock 'n' Roll NashvilleNashvilleTN1:37:15#315
2010Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA1:39:09#450
2010Less Popular Brooklyn Half MarathonBrooklynNY1:56:50#3127
2010United Airlines NYC HalfNew YorkNY1:58:52#5740
2010Rock 'n' Roll Arizona MarathonPhoenixAZ2:01:48#5297
2010NYRR Fred Lebow Half MarathonNew YorkNY2:05:43#3893
2010Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA2:12:05#3127
2010San Francisco Marathon—2:12:05#3128
2009Thanksgiving Day Half MarathonAtlantaGA1:40:27#702
2009Less Popular Brooklyn Half MarathonBrooklynNY2:09:42#6460
2009NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY2:12:37#3728
2009Long Beach MarathonLong BeachCA2:12:49#3905
2009Rock 'n' Roll Arizona MarathonPhoenixAZ2:16:30#8584
2009United Airlines NYC HalfNew YorkNY2:18:17#6849
2009The North Face® Endurance Challenge - New YorkBear MountainNY2:34:07#149
2005Thanksgiving Day Half MarathonAtlantaGA1:50:06#1185
2004Rock 'n' Roll New OrleansNew OrleansLA1:51:25#322
1995The Unforgettable Staten Island Half MarathonStaten IslandNY1:52:58#1001

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

NYNew York
15 races
CACalifornia
12 races
MNMinnesota
8 races
GAGeorgia
6 races
AZArizona
5 races
ILIllinois
5 races
TNTennessee
4 races
CTConnecticut
1 race
MAMassachusetts
1 race
ALAlabama
0 races
NJNew Jersey
0 races
VAVirginia
0 races

50-State Challenge

12/ 50 states

38 states to go