HalfRuns
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Katherine Brennan

FemaleNew York2006–2025

34

Total Finishes

22

Different Races

11

States (22%)

1:41:40

PR (7:46/mi)

2:19:41

Average

+0:42:31

Slower (first to last)

Medal House

2012

Historic Half Training (sponsored by FARC)

2:24:37
#3835 overall#1486 gender
2011

United Airlines NYC Half

2:06:18
#6136 overall#2589 gender
2011

Historic Half Training (sponsored by FARC)

2:15:35
#2909 overall#1024 gender
2010

3M Half Marathon

2:14:18
#2736 overall#1313 gender
2010

United Airlines NYC Half

2:15:44
#9029 overall#4243 gender
2010

Fairfield Road Races

2:17:59
#2001 overall#945 gender
2008

Life Time Chicago Half Marathon + 5K

1:55:16
#2275 overall#738 gender
2008

Rock 'n' Roll Nashville

2:27:03
#12272 overall#6501 gender
2007

Rock 'n' Roll Nashville

2:26:58
#10682 overall#5487 gender
2007

Rock 'n' Roll Chicago Half Marathon

2:28:00
#6382 overall#2826 gender
2006

Lincoln Marathon

1:49:20
#713 overall#221 gender
2006

Lincoln Marathon -

1:49:20
#715 overall#221 gender

Performance Timeline

PR 1:41:4020062006200720072008200820102010201020112011201220122013201320132013201420142014201420152016201720172018201920192021202120212022202220232023202420242024202420252025

Complete Race Log

YearRaceStateTimePlace
2025Women's Half MarathonNew YorkNY1:48:34#438
2025NYRR Fred Lebow Half MarathonNew YorkNY2:31:51#4109
20242026 Gulf Beach Half MarathonMilfordCT2:17:14#492
2024NYRR Fred Lebow Half MarathonNew YorkNY2:28:45#3304
2024Fairfield Road RacesFairfieldCT2:39:23#1995
2024REAL SIMPLE Women's Half MarathonCentral ParkNY2:59:06#7373
20232026 Gulf Beach Half MarathonMilfordCT2:16:40#374
2023B.A.A. Half MarathonBostonMA2:24:54#4772
2022NYRR Fred Lebow Half MarathonNew YorkNY2:05:28#2550
2022Less Popular Brooklyn Half MarathonBrooklynNY2:11:38#10805
2021San Diego Holiday Half Marathon & 5KSan DiegoCA1:41:40#284
2021Fairfield Road RacesFairfieldCT2:36:31#1084
2021Frederick Running FestivalFrederickMD2:39:27#1093
2019Hamptons Marathon & Half MarathonEast HamptonNY1:43:54#119
20192027 WALT DISNEY WORLD® Marathon Weekend presented by State Farm® With A Running PassionOrlandoFL3:23:06#15094
2018United Airlines NYC HalfNew YorkNY2:34:32#18608
2017Everyone Runs Veteran's DayTucsonAZ1:48:06#28
2017Purdue Boilermaker Half-Marathon & 5KWest LafayetteIN1:53:07#290
201631st Annual Tom King Classic Half Marathon Run and 5K Run/WalkNashvilleTN1:47:24#237
2015Historic Half Training (sponsored by FARC)FredericksburgVA2:44:18#4519
2014Philadelphia MarathonPhiladelphiaPA1:49:03#2018
2014The North Face Endurance ChallengeSterlingVA2:21:40#367
2014Less Popular Brooklyn Half MarathonBrooklynNY2:41:23#23970
2014Cytiva Top of Utah MarathonLoganUT2:43:56#1206
2013Hamptons Marathon & Half MarathonEast HamptonNY2:09:44#851
2013Historic Half Training (sponsored by FARC)FredericksburgVA2:16:57#3367
2013United Airlines NYC HalfNew YorkNY2:36:21#13437
20132026 National Women's Half Marathon and 8KWashingtonDC2:44:49#10697
2012Historic Half Training (sponsored by FARC)FredericksburgVA2:24:37#3835
20122027 WALT DISNEY WORLD® Marathon Weekend presented by State Farm® With A Running PassionOrlandoFL2:32:36#10763
2011United Airlines NYC HalfNew YorkNY2:06:18#6136
2011Historic Half Training (sponsored by FARC)FredericksburgVA2:15:35#2909
20103M Half MarathonAustinTX2:14:18#2736
2010United Airlines NYC HalfNew YorkNY2:15:44#9029
2010Fairfield Road RacesFairfieldCT2:17:59#2001
2008Life Time Chicago Half Marathon + 5KChicagoIL1:55:16#2275
2008Rock 'n' Roll NashvilleNashvilleTN2:27:03#12272
2007Rock 'n' Roll NashvilleNashvilleTN2:26:58#10682
2007Rock 'n' Roll Chicago Half MarathonChicagoIL2:28:00#6382
2006Lincoln MarathonLincolnNE1:49:20#713
2006Lincoln Marathon -—1:49:20#715

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

NYNew York
13 races
CTConnecticut
5 races
VAVirginia
5 races
TNTennessee
3 races
ILIllinois
2 races
AZArizona
1 race
CACalifornia
1 race
INIndiana
1 race
MAMassachusetts
1 race
UTUtah
1 race
MIMichigan
0 races

50-State Challenge

11/ 50 states

39 states to go