HalfRuns
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Kelsey O'Connor

FemaleMichigan2007–2026

69

Total Finishes

40

Distinct Races

10

States (20%)

1:21:22

PR (6:13/mi)

2:19:33

Average

-1:58:32

Faster (first to last)

Medal House

2016

Martian Invasion of the Races

2:30:23
#791 overall#372 gender
2016

Kiawah Island Marathon

2:33:56
#2216 overall#1262 gender
2016

Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon Walk

2:34:34
#1064 overall
2016

Ann Arbor Marathon

2:34:34
#1036 overall#546 gender
2016

Detroit Free Press Marathon

2:35:40
#6185 overall#3213 gender
2016

Women's Running Festival featuring a Half Marathon, 10K, & 5K

2:37:34
#523 overall#523 gender
2016

USA Beach Running Championships

2:54:12
#249 overall#144 gender
2015

Detroit Free Press Marathon

2:46:06
#1143 overall#567 gender
2015

Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon Walk

2:48:11
#1063 overall
2015

Ann Arbor Marathon

2:48:11
#1060 overall#558 gender
2015

Cocoa Beach Half Marathon

2:56:32
#1205 overall#791 gender
2007

2025 500 Festival Running Events

3:56:49
#28636 overall#14861 gender

Performance Timeline

PR 1:21:22200720152015201520152016201620162016201620162016201620172017201720172017201720172018201820182018201820182018201820192019201920192019201920192019201920192020202020212021202220222022202220222022202220232023202320242024202420242024202420242025202520252025202520252025202520262026

Complete Race Log

YearRaceStateTimePlace
2026Sunrise Half MarathonSunriseFL1:21:22#4
202615th Annual Rock CF Rivers Half Marathon & 5KGrosse IleMI1:58:17#352
2025CHURCHILL'S HALF MARATHONPerrysburgOH1:43:45#179
2025Capital City River RunLansingMI1:46:12#151
2025Capital City River RunLansingMI1:46:12#151
2025San Diego Beach & Bay Half MarathonSan DiegoCA1:53:38#587
2025"Bridge to Brew" Half Marathon and 5KPort HuronMI1:58:06#69
202515th Annual Rock CF Rivers Half Marathon & 5KGrosse IleMI2:12:52#479
2025Naperville Half MarathonNapervilleIL2:23:40#831
2025Detroit Free Press MarathonDetroitMI2:32:51#4976
2024Capital City River RunLansingMI1:47:10#133
2024Capital City River RunLansingMI1:47:11#133
2024"Bridge to Brew" Half Marathon and 5KPort HuronMI1:50:37#47
2024JSRC RunAPaloozaAsbury ParkNJ1:53:40#525
2024Runapalooza Asbury ParkAsbury ParkNJ1:53:40#541
2024Detroit Free Press MarathonDetroitMI1:59:11#1874
202415th Annual Rock CF Rivers Half Marathon & 5KGrosse IleMI2:20:23#559
202315th Annual Rock CF Rivers Half Marathon & 5KGrosse IleMI1:56:28#289
2023Detroit Free Press MarathonDetroitMI1:56:41#1607
2023Bayshore Marathon, Half Marathon, 10K, & Kids Fun RunTraverse CityMI1:59:00#1055
2022Chicago Spring Half MarathonChicagoIL2:05:21#1897
2022Detroit Women's Half Marathon, 10K, and 5K: Women Run the D Run/WalkDetroitMI2:11:57#39
2022United Airlines NYC HalfNew YorkNY2:12:52#13202
2022Chi Town Half Marathon & 10KChicagoIL2:15:12#1071
2022Bayshore Marathon, Half Marathon, 10K, & Kids Fun RunTraverse CityMI2:23:47#1864
2022Detroit Free Press MarathonDetroitMI2:26:49#3667
2022Flying Pig Pump and RunCincinnatiOH3:06:32#6086
2021Whistlestop MarathonAshlandWI2:17:38#369
2021Birkie Trail Run FestivalHaywardWI2:50:21#187
2020Portage Winter Blast 2026PortageMI1:52:39#72
2020United Airlines NYC HalfNew YorkNY2:24:59#3387
2019Hapalua Hawaii's Half MarathonHonoluluHI1:37:43#124
2019Detroit Free Press MarathonDetroitMI1:56:59#347
2019Michigan Monster DashMilfordMI2:01:21#37
2019Michigan Monster DashMilfordMI2:01:22#37
2019Detroit Women's Half Marathon, 10K, and 5K: Women Run the D Run/WalkDetroitMI2:06:38#74
2019Brooksie Way Half Marathon and 5KAuburn HillsMI2:08:29#591
2019Witches Hat RunSouth LyonMI2:10:41#27
2019Black Toenail Friday Half Marathon and 7.5 Miler - MICommerce TownshipMI2:18:47#96
2019Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA2:21:21#5418
201915th Annual Rock CF Rivers Half Marathon & 5KGrosse IleMI2:28:49#775
2018Ocean View Half Marathon & 5KIpswichMA2:07:13#245
2018Martian Invasion of the RacesDearbornMI2:17:45#524
201815th Annual Rock CF Rivers Half Marathon & 5KGrosse IleMI2:17:55#720
2018Jeff Galloway Half MarathonAtlantaGA2:29:22#259
2018Detroit Free Press MarathonDetroitMI2:32:02#1035
2018Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon WalkAnn ArborMI2:36:43#561
2018Ann Arbor MarathonAnn ArborMI2:36:43#561
2018CHURCHILL'S HALF MARATHONPerrysburgOH2:44:15#851
2017Life Time Chicago Half Marathon + 5KChicagoIL2:14:17#2884
2017Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon WalkAnn ArborMI2:22:16#825
2017Ann Arbor MarathonAnn ArborMI2:22:16#822
2017Martian Invasion of the RacesDearbornMI2:29:57#742
20172025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL2:41:43#5244
2017Detroit Free Press MarathonDetroitMI2:44:15#6911
2017Black Toenail Friday Half Marathon and 7.5 Miler - MICommerce TownshipMI2:53:14#149
2016Martian Invasion of the RacesDearbornMI2:30:23#791
2016Kiawah Island MarathonKiawah IslandSC2:33:56#2216
2016Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon WalkAnn ArborMI2:34:34#1064
2016Ann Arbor MarathonAnn ArborMI2:34:34#1036
2016Detroit Free Press MarathonDetroitMI2:35:40#6185
2016Women's Running Festival featuring a Half Marathon, 10K, & 5KCarmelIN2:37:34#523
2016USA Beach Running ChampionshipsCocoa BeachFL2:54:12#249
2016Running Between The VinesJacksonMI3:01:13#540
2015Detroit Free Press MarathonDetroitMI2:46:06#1143
2015Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon WalkAnn ArborMI2:48:11#1063
2015Ann Arbor MarathonAnn ArborMI2:48:11#1060
2015Cocoa Beach Half MarathonCocoa BeachFL2:56:32#1205
20072025 500 Festival Running EventsIndianapolisIN3:56:49#28636

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

MIMichigan
44 races
FLFlorida
4 races
ILIllinois
4 races
OHOhio
3 races
INIndiana
2 races
NYNew York
2 races
WIWisconsin
2 races
GAGeorgia
1 race
HIHawaii
1 race
MAMassachusetts
1 race

50-State Challenge

10/ 51 states + DC

41 states to go