HalfRuns
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Katie Duffy

FemaleMichigan1997–2025

33

Total Finishes

24

Different Races

13

States (25%)

1:29:09

PR (6:48/mi)

2:33:29

Average

+0:02:11

Slower (first to last)

Medal House

2009

Shamrock Marathon

2:30:52
#4629 overall#2383 gender
2009

Rock 'n' Roll Arizona Marathon

2:43:04
#14534 overall#8210 gender
2008

Rock 'n' Roll Virgina Beach Half Marathon

2:28:23
#8745 overall#3987 gender
2007

Shamrock Marathon

3:17:31
#4264 overall#2298 gender
2007

Rock 'n' Roll Virgina Beach Half Marathon

3:30:36
#16286 overall#8971 gender
2006

Shamrock Marathon

3:18:46
#3760 overall#2028 gender
2005

MO' Cowbell Marathon/Half-Marathon/10K/5K

2:20:47
#1513 overall#686 gender
2004

Greater St. Louis Marathon

2:05:20
#1422 overall#639 gender
2004

Rock n Roll Nashville

2:09:57
#3369 overall#1403 gender
2003

Sam Elpern Memorial Half Marathon

2:00:41
#110 overall#30 gender
2003

NYRR Fred Lebow Half Marathon

2:14:30
#3548 overall#1205 gender
1997

NYCRUNS Brooklyn Ice Cream Social Half Marathon

2:14:39
#1176 overall#285 gender

Performance Timeline

PR 1:29:091997200320032004200420052006200720072008200920092009201220132013201320152015201520152015201620162016201620172017201820192019201920202021202220222025

Complete Race Log

YearRaceStateTimePlace
2025Fairfield Road RacesFairfieldCT2:16:50#1684
2022Brooks Fremantle Running FestivalFremantleWA2:03:31#835
2022Summerville Sweet Tea Half Marathon, 10K, and 5KSummervilleSC2:56:33#199
2021Cowtown Marathon, Half Marathon and Ultra MarathonFort WorthTX2:03:48#806
2020MERCY HEALTH GLASS CITY MARATHONToledoOH2:27:52#1088
2019Midland Halloween RunMidlandMI1:55:15#10
2019MERCY HEALTH GLASS CITY MARATHONToledoOH2:11:02#1642
2019USA Womens Marathon & Half MarathonPalm DesertCA2:12:02#484
2018Summer's Done 13.1AustinTX2:44:50#6113
2017Half Marathon UnpluggedBurlingtonVT1:29:09#38
2017Rock 'n' Roll Los Angeles Half MarathonLos AngelesCA2:32:33#3397
2016Half Marathon UnpluggedBurlingtonVT1:31:58#66
20162026 Trinity Health Seaway RunMuskegonMI2:11:33#226
2016Mercy Health Seaway RunMuskegonMI2:11:34#225
2016Great Smoky Mountains Half Marathon & 5KTownsendTN3:09:46#1526
2015Garmin Olathe Marathon, Half Marathon and 10K in the land of OzOlatheKS2:37:35#1488
2015Rock 'n' Roll Chicago Half MarathonChicagoIL2:39:09#7783
2015Great Smoky Mountains Half Marathon & 5KTownsendTN2:59:30#998
20152026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapaCA3:30:23#2675
2015Rock 'n' Roll Las VegasLas VegasNV3:33:08#21409
2013Greater St. Louis MarathonSt. LouisMO1:55:01#1394
20132026 - San Antonio MarathonSan AntonioTX2:52:44#9650
20132026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapaCA3:14:13#2661
2012Gardenspot Village MarathonNew HollandPA2:37:37#496
2009Shamrock MarathonVirginia BeachVA2:30:52#4629
2009Rock 'n' Roll Arizona MarathonPhoenixAZ2:43:04#14534
2009Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA3:08:11#13836
2008Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:28:23#8745
2007Shamrock MarathonVirginia BeachVA3:17:31#4264
2007Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA3:30:36#16286
2006Shamrock MarathonVirginia BeachVA3:18:46#3760
2005MO' Cowbell Marathon/Half-Marathon/10K/5KSaint CharlesMO2:20:47#1513
2004Greater St. Louis MarathonSt. LouisMO2:05:20#1422
2004Rock n Roll NashvilleNashvilleTN2:09:57#3369
2003Sam Elpern Memorial Half MarathonNorwalkCT2:00:41#110
2003NYRR Fred Lebow Half MarathonNew YorkNY2:14:30#3548
1997NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY2:14:39#1176

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

VAVirginia
6 races
CACalifornia
4 races
MIMichigan
3 races
MOMissouri
3 races
TNTennessee
3 races
TXTexas
3 races
CTConnecticut
2 races
VTVermont
2 races
ILIllinois
1 race
KSKansas
1 race
NVNevada
1 race
PAPennsylvania
1 race
MAMassachusetts
0 races

50-State Challenge

13/ 51 states + DC

38 states to go