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KC
Karen Chen
FemaleCalifornia2007–2026
45
Total Finishes
31
Different Races
13
States (26%)
1:47:26
PR (8:12/mi)
2:23:24
Average
+0:29:05
Slower (first to last)
Medal House
2013
United Airlines NYC Half
1:47:29
#3411 overall#975 gender
2012
The Unforgettable Staten Island Half Marathon
1:47:26
#1701 overall#315 gender
2012
Flying Pig Pump and Run
2:20:19
#5193 overall#2505 gender
2011
Rock 'n' Roll San Jose
2:14:52
#4749 overall#1820 gender
2011
Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO
2:17:01
#2974 overall#1302 gender
2011
San Francisco Marathon
2:17:01
#2976 overall#1304 gender
2010
OC Marathon - Half Marathon - 5K
2:05:44
#2057 overall#889 gender
2010
OC Marathon
2:05:44
#2064 overall#891 gender
2010
Rock 'n' Roll Nashville
2:06:00
#5306 overall#2152 gender
2010
Kaiser Permanente San Francisco Half Marathon & 5K
2:08:18
#3407 overall#1422 gender
2007
Cowtown Marathon, Half Marathon and Ultra Marathon
2:16:26
#909 overall#311 gender
2007
Flying Pig Pump and Run
3:42:05
#5326 overall#3233 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Stillwater Half MarathonStillwater | MN | 2:45:31 | #845 |
| 2025 | United Airlines NYC HalfNew York | NY | 1:52:21 | #8327 |
| 2025 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:19:47 | #2363 |
| 2024 | REAL SIMPLE Women's Half MarathonCentral Park | NY | 2:15:55 | #3908 |
| 2024 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 2:35:32 | #9408 |
| 2024 | 2026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapa | CA | 2:59:52 | #2085 |
| 2023 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 2:18:32 | #18149 |
| 2023 | United Airlines NYC HalfNew York | NY | 2:19:19 | #17178 |
| 2023 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 2:40:31 | #3087 |
| 2022 | Santa Barbara Wine Country Half MarathonSolvang | CA | 2:14:13 | #516 |
| 2019 | United Airlines NYC HalfNew York | NY | 1:57:27 | #9336 |
| 2019 | Women's Half MarathonNew York | NY | 2:13:35 | #2350 |
| 2019 | B.A.A. Half MarathonBoston | MA | 2:14:24 | #3922 |
| 2019 | 2026 National Women's Half Marathon and 8KWashington | DC | 2:24:09 | #1304 |
| 2018 | B.A.A. Half MarathonBoston | MA | 2:24:48 | #4568 |
| 2018 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 2:26:37 | #20858 |
| 2017 | B.A.A. Half MarathonBoston | MA | 2:18:18 | #3936 |
| 2017 | Philadelphia MarathonPhiladelphia | PA | 2:32:01 | #8128 |
| 2016 | Women's Half MarathonNew York | NY | 2:10:29 | #2855 |
| 2016 | Rock ‘n' Roll Washington DCWashington | DC | 2:26:35 | #9819 |
| 2016 | Seattle Marathon: Summer EventsSeattle | WA | 2:37:02 | #2766 |
| 2015 | Navy Air Force Half Marathon & Navy 5-MilerWashington | DC | 2:00:24 | #1815 |
| 2015 | Portland MarathonPortland | OR | 2:18:20 | #885 |
| 2015 | Flying Pig Pump and RunCincinnati | OH | 2:28:49 | #6678 |
| 2015 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:30:46 | #3913 |
| 2015 | Summer's Done 13.1Austin | TX | 2:41:01 | #6961 |
| 2014 | 2026 National Women's Half Marathon and 8KWashington | DC | 2:14:21 | #5741 |
| 2014 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:44:50 | #6667 |
| 2014 | 2026 Disney Wine & Dine Half Marathon WeekendOrlando | FL | 3:00:42 | #7132 |
| 2013 | United Airlines NYC HalfNew York | NY | 1:47:29 | #3411 |
| 2013 | Life Time Miami Marathon & HalfMiami | FL | 2:51:51 | #11936 |
| 2012 | The Unforgettable Staten Island Half MarathonStaten Island | NY | 1:47:26 | #1701 |
| 2012 | Flying Pig Pump and RunCincinnati | OH | 2:20:19 | #5193 |
| 2011 | Rock 'n' Roll San JoseSan Jose | CA | 2:14:52 | #4749 |
| 2011 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:17:01 | #2974 |
| 2011 | San Francisco Marathon | — | 2:17:01 | #2976 |
| 2010 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 2:05:44 | #2057 |
| 2010 | OC Marathon | — | 2:05:44 | #2064 |
| 2010 | Rock 'n' Roll NashvilleNashville | TN | 2:06:00 | #5306 |
| 2010 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:08:18 | #3407 |
| 2007 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 2:16:26 | #909 |
| 2007 | Flying Pig Pump and RunCincinnati | OH | 3:42:05 | #5326 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
10 racesCACalifornia
7 racesFLFlorida
4 racesDCDistrict of Columbia
4 racesTXTexas
3 racesOHOhio
3 racesMAMassachusetts
3 racesTNTennessee
1 raceOROregon
1 raceWAWashington
1 racePAPennsylvania
1 raceCTConnecticut
1 raceMNMinnesota
1 race50-State Challenge
13/ 50 states
37 states to go