HalfRuns
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Michelle O'Brien

FemaleMichigan2000–2025

45

Total Finishes

39

Different Races

16

States (31%)

1:44:49

PR (8:00/mi)

2:24:28

Average

+0:55:03

Slower (first to last)

Medal House

2008

United Airlines NYC Half

1:58:37
#4122 overall#1335 gender
2008

Thanksgiving Day Half Marathon

2:04:10
#3929 overall#1334 gender
2008

Rock 'n' Roll Las Vegas

2:05:30
#2032 overall#748 gender
2008

Red Rock Canyon Marathon, 1/2, and 5K

2:14:36
#119 overall#53 gender
2007

Shamrock'n Half Marathon

2:01:24
#819 overall#315 gender
2007

American River Parkway Half Marathon

2:06:34
#491 overall#199 gender
2007

Urban Cow Half Marathon

3:52:00
#2015 overall#1224 gender
2006

Maine Marathon, Half Marathon and Marathon Relay

1:44:49
#283 overall#76 gender
2005

Rock 'n' Roll Virgina Beach Half Marathon

2:05:02
#5254 overall#1910 gender
2003

Rock 'n' Roll Virgina Beach Half Marathon

2:24:12
#6615 overall#3022 gender
2001

Hyannis Marathon

1:45:22
#197 overall#39 gender
2000

Hyannis Marathon

1:58:58
#469 overall#153 gender

Performance Timeline

PR 1:44:49200020012003200520062007200720072008200820082008200820092009200920092010201020102012201220122012201220132014201420142014201420142015201520162016201620172017201720172018201820192019201920202022202220222022202220232023202420242025

Complete Race Log

YearRaceStateTimePlace
2025NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY2:54:01#23074
2024Spooky Sprint - Grand RapidsCaledoniaMI2:14:39#35
2024B.A.A. Half MarathonBostonMA2:20:09#4648
2023Mackinac Island Great Turtle Half Marathon & 5.7 MileMackinac IslandMI2:20:07#326
2023Ludington Lakestride Half Marathon 10K and 5kLudingtonMI2:27:30#239
2022SHE RUNS Grand RapidsGrand RapidsMI2:25:52#406
20222027 Syracuse Half MarathonSyracuseNY2:28:50#1521
2022Ludington Lakestride Half Marathon 10K and 5kLudingtonMI2:29:29#169
2022Mackinac Island Great Turtle Half Marathon & 5.7 MileMackinac IslandMI2:36:56#450
2022Run the Rockies Trail RaceFriscoCO2:46:45#216
20202025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL3:53:17#19103
2019United Airlines NYC HalfNew YorkNY2:10:49#14784
2019LONG ISLAND MARATHON FESTIVALEast MeadowNY2:26:23#1366
2019Guthrie Wineglass Marathon, Wegmans Wineglass Half Marathon & Williams Toyota Wineglass 5KCorningNY3:29:05#2719
2018Chicago Country Sole / Chicago Fall ClassicChicagoIL2:05:56#381
2018Hill Country Halloween HalfCedar ParkTX2:23:45#296
20172026 Pro Football Hall of Fame Race SeriesCantonOH2:22:23#1058
2017First Energy Akron MarathonAkronOH2:26:05#1842
2017Rock 'n' Roll San DiegoSan DiegoCA2:26:10#7538
2017Naperville Half MarathonNapervilleIL2:53:36#2246
2016Boston's Run To RememberBostonMA2:06:18#3253
2016Oak Tree Half Marathon & 5K Run/WalkGeneseoNY2:19:11#230
2016First Energy Akron MarathonAkronOH2:35:15#2579
2015Schaumburg Turkey Trot Half Marathon & 5KElk Grove VillageIL2:08:03#809
201517th Annual Myrtle Beach Mini Marathon & Coastal 5KMyrtle BeachSC2:19:17#1293
2014Shamrock MarathonVirginia BeachVA1:58:40#2318
2014Philadelphia MarathonPhiladelphiaPA2:03:54#5123
20142025 500 Festival Running EventsIndianapolisIN2:18:52#11868
2014First Energy Akron MarathonAkronOH2:42:27#3684
2014Rock 'n' Roll Los Angeles Half MarathonLos AngelesCA2:42:59#5494
20142025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL2:50:06#7736
2013Life Time Miami Marathon & HalfMiamiFL2:21:03#7365
2012La Jolla Half Marathon & 5KSan DiegoCA1:50:41#925
201213.1 Fort LauderdaleFort LauderdaleFL2:15:43#930
20122026 Miami Beach Halloween Half Marathon & Freaky 4-MilerMiami BeachFL2:23:44#62
2012Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami BeachFL2:25:42#1562
2012Life Time Chicago Half Marathon + 5KChicagoIL2:27:54#9146
2010Flying Pig Pump and RunCincinnatiOH2:16:23#3875
2010Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:23:52#8347
2010Surf City MarathonHuntington BeachCA2:27:31#7211
2009Air Force MarathonDaytonOH2:09:58#1825
2009Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:23:53#8537
2009Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami BeachFL2:31:28#954
2009Grandma's MarathonDuluthMN2:34:56#4571
2008United Airlines NYC HalfNew YorkNY1:58:37#4122
2008Thanksgiving Day Half MarathonAtlantaGA2:04:10#3929
2008Rock 'n' Roll Las VegasLas VegasNV2:05:30#2032
2008Red Rock Canyon Marathon, 1/2, and 5KLas VegasNV2:14:36#119
2008Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:16:24#9472
2007Shamrock'n Half MarathonSacramentoCA2:01:24#819
2007American River Parkway Half MarathonSacramentoCA2:06:34#491
2007Urban Cow Half MarathonSacramentoCA3:52:00#2015
2006Maine Marathon, Half Marathon and Marathon RelayPortlandME1:44:49#283
2005Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:05:02#5254
2003Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:24:12#6615
2001Hyannis MarathonHyannisMA1:45:22#197
2000Hyannis MarathonHyannisMA1:58:58#469

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

CACalifornia
7 races
FLFlorida
7 races
NYNew York
7 races
MIMichigan
6 races
OHOhio
6 races
VAVirginia
5 races
ILIllinois
4 races
MAMassachusetts
4 races
NVNevada
2 races
COColorado
1 race
GAGeorgia
1 race
INIndiana
1 race
SCSouth Carolina
1 race
TXTexas
1 race
NJNew Jersey
0 races
RIRhode Island
0 races

50-State Challenge

16/ 51 states + DC

35 states to go