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KO
Karen Obrien
FemaleSouth Carolina2002–2025
45
Total Finishes
31
Different Races
13
States (25%)
1:49:28
PR (8:21/mi)
2:30:30
Average
+0:08:27
Slower (first to last)
Medal House
2010
MO' Cowbell Marathon/Half-Marathon/10K/5K
1:49:28
#704 overall#181 gender
2010
St. Jude Memphis Marathon Weekend
1:54:00
#765 overall#248 gender
2010
Providence Rhode Races
2:02:21
#1034 overall#450 gender
2010
Hyannis Marathon
2:06:08
#1756 overall#849 gender
2010
Boston's Run To Remember
2:06:58
#2635 overall#1299 gender
2010
Shamrock Marathon
2:08:50
#2696 overall#1239 gender
2009
Boston's Run To Remember
2:04:17
#2428 overall#1156 gender
2009
Middlebury Maple Run
2:09:34
#148 overall#84 gender
2008
Boston's Run To Remember
2:10:28
#2487 overall#1229 gender
2008
Monson Memorial Classic
2:13:47
#261 overall#85 gender
2008
Women's Half Marathon
2:20:25
#2784 overall#2781 gender
2002
E Murray Todd Half Marathon
2:16:19
#375 overall#102 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Monterey Bay Half MarathonMonterey | CA | 2:24:46 | #3920 |
| 2024 | Monterey Bay Half MarathonMonterey | CA | 2:31:09 | #4623 |
| 2023 | Monterey Bay Half MarathonMonterey | CA | 2:28:11 | #3496 |
| 2023 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 3:44:11 | #13742 |
| 2022 | "LOOP THE LAKE" The Great New York State Marathon WeekendSyracuse | NY | 3:02:50 | #429 |
| 2022 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 3:53:19 | #12240 |
| 2020 | Hilton Head Half & Quarter Marathon & 5KHilton Head Island | SC | 2:27:54 | #518 |
| 2020 | Charleston Half MarathonCharleston | SC | 2:32:51 | #1570 |
| 2020 | MO' Cowbell Marathon/Half-Marathon/10K/5KSaint Charles | MO | 3:46:22 | #281 |
| 2019 | 3M Half MarathonAustin | TX | 1:52:43 | #1577 |
| 2019 | Summer's Done 13.1Austin | TX | 1:55:17 | #1454 |
| 2019 | Bohicket 5k and Half at Seabrook IslandSeabrook Island | SC | 2:11:40 | #155 |
| 2019 | Bohicket Half and 5KSeabrook Island | SC | 2:11:41 | #155 |
| 2019 | MO' Cowbell Marathon/Half-Marathon/10K/5KSaint Charles | MO | 4:10:54 | #2457 |
| 2018 | Decker Challenge and Brown Santa 5KAustin | TX | 1:54:19 | #274 |
| 2018 | Boston's Run To RememberBoston | MA | 1:59:35 | #1812 |
| 2018 | 3M Half MarathonAustin | TX | 2:00:35 | #1766 |
| 2018 | AmeriHealth Atlantic City Marathon, Half Marathon, 10K & G. Larry James 5KAtlantic City | NJ | 2:03:37 | #282 |
| 2018 | Summer's Done 13.1Austin | TX | 2:05:58 | #2613 |
| 2018 | Kiawah Island MarathonKiawah Island | SC | 2:17:01 | #1902 |
| 2018 | Charleston Half MarathonCharleston | SC | 2:17:12 | #1373 |
| 2018 | Summerville Sweet Tea Half Marathon, 10K, and 5KSummerville | SC | 2:20:49 | #176 |
| 2018 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:32:04 | #3329 |
| 2018 | Queen Bee Half MarathonCincinnati | OH | 3:47:05 | #2986 |
| 2017 | Love Run Half MarathonPhiladelphia | PA | 2:05:28 | #3044 |
| 2017 | Decker Challenge and Brown Santa 5KAustin | TX | 2:05:50 | #345 |
| 2017 | Boston's Run To RememberBoston | MA | 2:09:41 | #2756 |
| 2017 | Baltimore Running FestivalBaltimore | MD | 2:34:45 | #4540 |
| 2016 | 3M Half MarathonAustin | TX | 1:55:57 | #1809 |
| 2016 | Sarasota Music Half MarathonSaraota | FL | 3:29:51 | #2520 |
| 2015 | Boston's Run To RememberBoston | MA | 1:58:02 | #2401 |
| 2015 | Queen Bee Half MarathonCincinnati | OH | 3:50:58 | #2955 |
| 2014 | Grand Lake MarathonSaint Marys | OH | 1:51:39 | #121 |
| 2014 | 2026 Pro Football Hall of Fame Race SeriesCanton | OH | 1:52:16 | #403 |
| 2014 | Boston's Run To RememberBoston | MA | 1:56:21 | #2333 |
| 2014 | Hyannis MarathonHyannis | MA | 2:27:57 | #2658 |
| 2012 | Hyannis MarathonHyannis | MA | 2:29:50 | #3000 |
| 2011 | Plymouth Run To The RockPlymouth | MA | 2:10:59 | #299 |
| 2011 | Cape Cod Marathon WeekendFalmouth | MA | 2:14:58 | #543 |
| 2010 | MO' Cowbell Marathon/Half-Marathon/10K/5KSaint Charles | MO | 1:49:28 | #704 |
| 2010 | St. Jude Memphis Marathon WeekendMemphis | TN | 1:54:00 | #765 |
| 2010 | Providence Rhode RacesEast Providence | RI | 2:02:21 | #1034 |
| 2010 | Hyannis MarathonHyannis | MA | 2:06:08 | #1756 |
| 2010 | Boston's Run To RememberBoston | MA | 2:06:58 | #2635 |
| 2010 | Shamrock MarathonVirginia Beach | VA | 2:08:50 | #2696 |
| 2010 | 3M Half MarathonAustin | TX | 2:13:23 | #2675 |
| 2010 | Historic Half Training (sponsored by FARC)Fredericksburg | VA | 3:08:52 | #5124 |
| 2010 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 3:34:00 | #10764 |
| 2009 | Boston's Run To RememberBoston | MA | 2:04:17 | #2428 |
| 2009 | Middlebury Maple RunMiddlebury | VT | 2:09:34 | #148 |
| 2008 | Boston's Run To RememberBoston | MA | 2:10:28 | #2487 |
| 2008 | Monson Memorial ClassicMonson | MA | 2:13:47 | #261 |
| 2008 | Women's Half MarathonNew York | NY | 2:20:25 | #2784 |
| 2002 | E Murray Todd Half MarathonColts Neck | NJ | 2:16:19 | #375 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MAMassachusetts
13 racesTXTexas
8 racesSCSouth Carolina
7 racesOHOhio
4 racesCACalifornia
3 racesMOMissouri
3 racesNJNew Jersey
2 racesNYNew York
2 racesVAVirginia
2 racesMDMaryland
1 raceTNTennessee
1 raceCTConnecticut
0 racesILIllinois
0 races50-State Challenge
13/ 51 states + DC
38 states to go