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KB
Katie Brennan
FemaleNew York1999–2025
66
Total Finishes
46
Distinct Races
17
States (33%)
1:34:06
PR (7:11/mi)
2:14:48
Average
-0:13:21
Faster (first to last)
Medal House
2010
2026 2XU Long Beach Marathon & Half Marathon
1:43:55
#476 overall#89 gender
2009
2026 Disneyland® Half Marathon Weekend presented by HONDA
1:45:32
#544 overall#109 gender
2009
Rock 'n' Roll Chicago Half Marathon
2:11:18
#6498 overall#3216 gender
2008
2026 2XU Long Beach Marathon & Half Marathon
1:51:10
#891 overall#214 gender
2008
Baltimore Running Festival
1:58:56
#1638 overall#620 gender
2008
Kiawah Island Marathon
2:09:08
#1023 overall#516 gender
2008
First Midwest Half Marathon
2:12:42
#925 overall#399 gender
2008
Cleveland Marathon & Half Marathon
2:40:39
#2873 overall#1467 gender
2007
Baltimore Running Festival
1:59:24
#1654 overall#613 gender
2006
Rock 'n' Roll Chicago Half Marathon
2:24:13
#5613 overall#2509 gender
2006
The Unforgettable Staten Island Half Marathon!
2:46:09
#3581 overall#1379 gender
1999
2025 500 Festival Running Events
3:09:15
#14919 overall#6336 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | IMT Des Moines MarathonDes Moines | IA | 2:19:32 | #2012 |
| 2025 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:46:29 | #25444 |
| 2025 | United Airlines NYC HalfNew York | NY | 2:52:20 | #26451 |
| 2025 | Women's Half MarathonNew York | NY | 2:52:35 | #4469 |
| 2025 | NYRR Fred Lebow Half MarathonNew York | NY | 2:55:54 | #4621 |
| 2024 | Love Run Half MarathonPhiladelphia | PA | 1:51:10 | #1460 |
| 2024 | Maine Marathon, Half Marathon and Marathon RelayPortland | ME | 2:07:50 | #1190 |
| 2024 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:28:36 | #22711 |
| 2024 | United Airlines NYC HalfNew York | NY | 2:32:08 | #22931 |
| 2024 | NYRR Fred Lebow Half MarathonNew York | NY | 2:41:24 | #3609 |
| 2024 | REAL SIMPLE Women's Half MarathonCentral Park | NY | 2:49:12 | #6961 |
| 2023 | Monster DashMinneapolis | MN | 2:04:52 | #84 |
| 2023 | Cambridge Half Marathon + 5KCambridge | MA | 2:17:42 | #4249 |
| 2023 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:42:59 | #22882 |
| 2022 | Philadelphia MarathonPhiladelphia | PA | 2:01:12 | #4161 |
| 2021 | Urban Wildland Half Marathon & 5K (Richfield, MN)Richfield | MN | 1:46:22 | #94 |
| 2021 | Hartfest Half MarathonWauwatosa | WI | 1:57:02 | #42 |
| 2019 | Shipyard Old Port Half MarathonPortland | ME | 1:57:02 | #942 |
| 2019 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 3:02:12 | #5646 |
| 2018 | Urban Wildland Half Marathon & 5K (Richfield, MN)Richfield | MN | 1:42:37 | #88 |
| 2018 | Strider Half MarathonMilwaukee | WI | 1:49:33 | #224 |
| 2018 | Rock 'n' Roll New OrleansNew Orleans | LA | 1:53:43 | #878 |
| 2018 | Pub 317's Run to the PubBozeman | MT | 2:15:09 | #584 |
| 2018 | Run to the PubBozeman | MT | 2:15:09 | #584 |
| 2018 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:31:40 | #21835 |
| 2018 | Governor's CupHelena | MT | 2:37:19 | #216 |
| 2018 | Governor's CupHelena | MT | 2:37:19 | #216 |
| 2018 | Life Time Miami Marathon & HalfMiami | FL | 2:40:17 | #9306 |
| 2017 | Steamboat Springs Marathon/Half Marathon/10KSteamboat Springs | CO | 1:55:56 | #211 |
| 2017 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:01:03 | #13047 |
| 2016 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:34:06 | #1532 |
| 2016 | Team Ortho Women RockMinneapolis | MN | 1:46:25 | #25 |
| 2016 | Red White and Boom Half MarathonMinneapolils | MN | 1:48:30 | #409 |
| 2016 | Maple Grove Half MarathonMaple Grove | MN | 1:50:31 | #121 |
| 2015 | Lola's Lake WaconiaWaconia | MN | 1:43:48 | #102 |
| 2015 | Minnesota Half Marathon and 5kSaint Paul | MN | 1:46:28 | #176 |
| 2015 | Lake Minnetonka Half MarathonWayzata | MN | 1:48:17 | #465 |
| 2015 | Bellingham Bay MarathonBellingham | WA | 2:07:43 | #578 |
| 2015 | Kaiser Permanente Colfax MarathonDenver | CO | 2:08:01 | #2086 |
| 2015 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:09:49 | #2241 |
| 2015 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:20:22 | #20628 |
| 2015 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:21:36 | #4749 |
| 2015 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:40:57 | #5497 |
| 2015 | Women's Half MarathonNew York | NY | 2:42:28 | #6038 |
| 2014 | Minnesota Half Marathon and 5kSaint Paul | MN | 1:47:25 | #190 |
| 2014 | Capital City Half MarathonColumbus | OH | 2:13:20 | #4530 |
| 2014 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:13:28 | #5591 |
| 2014 | Kaiser Permanente Colfax MarathonDenver | CO | 2:13:50 | #2879 |
| 2014 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:22:59 | #21104 |
| 2014 | 2026 National Women's Half Marathon and 8KWashington | DC | 2:44:33 | #10942 |
| 2013 | Rock 'n' Roll Washington DCWashington | DC | 2:02:16 | #6580 |
| 2013 | Missoula Marathon Half Marathon 5K Kids MarathonMissoula | MT | 2:14:19 | #790 |
| 2013 | Divas Half Marathon & 5kWestbury | NY | 2:17:15 | #657 |
| 2013 | Life Time Chicago Half Marathon + 5KChicago | IL | 2:19:02 | #6179 |
| 2013 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:27:48 | #8760 |
| 2012 | Get Lucky Half MarathonMinneapolis | MN | 1:47:50 | #424 |
| 2012 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:48:31 | #3929 |
| 2012 | Women's Half MarathonNew York | NY | 2:26:59 | #4489 |
| 2012 | Life Time Miami Marathon & HalfMiami | FL | 2:46:02 | #12325 |
| 2012 | Rock n Roll NashvilleNashville | TN | 4:04:25 | #22075 |
| 2011 | Surf City MarathonHuntington Beach | CA | 1:39:22 | #562 |
| 2011 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:44:24 | #1129 |
| 2011 | Missoula Marathon Half Marathon 5K Kids MarathonMissoula | MT | 2:11:04 | #1063 |
| 2010 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 1:43:55 | #476 |
| 2010 | Holiday Half Marathon & 5K Ugly Sweater RunPomona | CA | 1:46:12 | #214 |
| 2010 | 2025 500 Festival Running EventsIndianapolis | IN | 2:06:03 | #10905 |
| 2010 | First Midwest Half MarathonPalos Heights | IL | 2:44:26 | #1324 |
| 2009 | 2026 Disneyland® Half Marathon Weekend presented by HONDAAnaheim | CA | 1:45:32 | #544 |
| 2009 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:11:18 | #6498 |
| 2008 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 1:51:10 | #891 |
| 2008 | Baltimore Running FestivalBaltimore | MD | 1:58:56 | #1638 |
| 2008 | Kiawah Island MarathonKiawah Island | SC | 2:09:08 | #1023 |
| 2008 | First Midwest Half MarathonPalos Heights | IL | 2:12:42 | #925 |
| 2008 | Cleveland Marathon & Half MarathonCleveland | OH | 2:40:39 | #2873 |
| 2007 | Baltimore Running FestivalBaltimore | MD | 1:59:24 | #1654 |
| 2006 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:24:13 | #5613 |
| 2006 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 2:46:09 | #3581 |
| 1999 | 2025 500 Festival Running EventsIndianapolis | IN | 3:09:15 | #14919 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
19 racesMNMinnesota
11 racesILIllinois
7 racesMTMontana
6 racesCOColorado
4 racesINIndiana
2 racesMDMaryland
2 racesMEMaine
2 racesOHOhio
2 racesPAPennsylvania
2 racesWIWisconsin
2 racesIAIowa
1 raceLALouisiana
1 raceMAMassachusetts
1 raceNCNorth Carolina
0 racesOROregon
0 racesWYWyoming
0 races50-State Challenge
17/ 51 states + DC
34 states to go