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CO
Caitlin O'Brien
FemaleMaryland2005–2026
44
Total Finishes
36
Different Races
16
States (31%)
1:52:23
PR (8:35/mi)
2:15:45
Average
+0:06:11
Slower (first to last)
Medal House
2014
Kenner's Ole Man River Half Marathon
2:01:11
#250 overall#69 gender
2013
Dutchess County Classic
1:56:11
#254 overall#81 gender
2013
2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®
1:59:52
#797 overall#689 gender
2013
Virginia Wine Country Half Marathon 2026
2:47:52
#1807 overall#1215 gender
2012
Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8k
2:31:37
#5572 overall
2010
Baltimore Running Festival
2:45:23
#6847 overall#3798 gender
2008
Capital City Half Marathon
1:52:23
#749 overall#174 gender
2008
Rock 'n' Roll San Jose
2:34:56
#6788 overall#3217 gender
2006
Life Time Chicago Half Marathon + 5K
2:02:12
#3643 overall#1493 gender
2006
Monterey Bay Half Marathon
2:36:50
#2506 overall#1264 gender
2005
Rocky Mountain Half Marathon & 5K
1:58:58
#416 overall#159 gender
2005
Monterey Bay Half Marathon
2:18:14
#2203 overall#1037 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 1:58:22 | #3543 |
| 2026 | Providence Rhode RacesEast Providence | RI | 2:01:45 | #417 |
| 2026 | Newport Rhode RacesNewport | RI | 2:05:09 | #1508 |
| 2025 | B.A.A. Half MarathonBoston | MA | 2:00:47 | #2696 |
| 2025 | Independence Rhode RaceBristol | RI | 2:02:09 | #361 |
| 2025 | Independence Rhode RaceBristol | RI | 2:02:09 | #360 |
| 2025 | Golden Leaf Half MarathonAspen | CO | 2:52:52 | #378 |
| 2024 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 1:54:09 | #13016 |
| 2024 | Independence Rhode RaceBristol | RI | 2:00:21 | #236 |
| 2024 | Colt State Park Half MarathonBristol | RI | 2:00:40 | #183 |
| 2024 | Coffee MilkNorth Kingstown | RI | 2:03:14 | #67 |
| 2023 | Newport MarathonNewport | RI | 2:06:09 | #905 |
| 2023 | Golden Leaf Half MarathonAspen | CO | 2:51:04 | #381 |
| 2022 | City of Oaks MarathonRaleigh | NC | 1:56:32 | #361 |
| 2022 | Glacier Half MarathonEast Glacier Park | MT | 2:02:51 | #192 |
| 2022 | Geneva Half Marathon, 5K, & Half Marathon Relay presented by Red Jacket OrchardsGeneva | NY | 2:26:47 | #165 |
| 2022 | Golden Leaf Half MarathonAspen | CO | 2:36:18 | #261 |
| 2020 | Rock 'n' Roll New OrleansNew Orleans | LA | 1:58:53 | #1101 |
| 2020 | Great Smoky Mountains Half Marathon & 5KTownsend | TN | 2:03:35 | #177 |
| 2019 | Glacier Half MarathonEast Glacier Park | MT | 2:01:32 | #221 |
| 2019 | The Notre Dame Holy HalfNotre Dame | IN | 2:22:27 | #969 |
| 2018 | Rockfest Half MarathonHampton Beach | NH | 1:53:31 | #675 |
| 2018 | Pub 317's Run to the PubBozeman | MT | 1:55:17 | #283 |
| 2018 | Run to the PubBozeman | MT | 1:55:18 | #283 |
| 2018 | The Notre Dame Holy HalfNotre Dame | IN | 2:07:13 | #830 |
| 2018 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:21:00 | #4025 |
| 2018 | Life Time Chicago Half Marathon + 5KChicago | IL | 2:27:23 | #5337 |
| 2018 | Indian Summer Half MarathonConey Island | NY | 2:35:07 | #250 |
| 2017 | Baltimore Running FestivalBaltimore | MD | 2:13:22 | #2622 |
| 2017 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:37:58 | #5015 |
| 2017 | Bird-in-Hand Half Marathon, 5K, and Kid's Fun RunBird In Hand | PA | 2:46:20 | #1299 |
| 2016 | Divas Half MarathonGalveston | TX | 2:33:14 | #742 |
| 2016 | Pittsburgh Marathon WeekendPittsburgh | PA | 3:07:55 | #13223 |
| 2014 | Kenner's Ole Man River Half MarathonKenner | LA | 2:01:11 | #250 |
| 2013 | Dutchess County ClassicWappingers Falls | NY | 1:56:11 | #254 |
| 2013 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 1:59:52 | #797 |
| 2013 | Virginia Wine Country Half Marathon 2026Hillsboro | VA | 2:47:52 | #1807 |
| 2012 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 2:31:37 | #5572 |
| 2010 | Baltimore Running FestivalBaltimore | MD | 2:45:23 | #6847 |
| 2008 | Capital City Half MarathonColumbus | OH | 1:52:23 | #749 |
| 2008 | Rock 'n' Roll San JoseSan Jose | CA | 2:34:56 | #6788 |
| 2006 | Life Time Chicago Half Marathon + 5KChicago | IL | 2:02:12 | #3643 |
| 2006 | Monterey Bay Half MarathonMonterey | CA | 2:36:50 | #2506 |
| 2005 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 1:58:58 | #416 |
| 2005 | Monterey Bay Half MarathonMonterey | CA | 2:18:14 | #2203 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
RIRhode Island
8 racesCACalifornia
4 racesMTMontana
4 racesNYNew York
3 racesFLFlorida
2 racesILIllinois
2 racesINIndiana
2 racesLALouisiana
2 racesMDMaryland
2 racesPAPennsylvania
2 racesTXTexas
2 racesAZArizona
1 raceMAMassachusetts
1 raceNCNorth Carolina
1 raceOHOhio
1 raceWIWisconsin
0 races50-State Challenge
16/ 51 states + DC
35 states to go