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JD
Jennifer Duncan
FemaleWashington1996–2026
181
Total Finishes
113
Distinct Races
25
States (49%)
1:44:56
PR (8:01/mi)
2:21:16
Average
+1:23:08
Slower (first to last)
Medal House
2009
Seattle Marathon
2:05:37
#3099 overall#1279 gender
2008
2025 Val Nolasco Half Marathon
2:12:52
#541 overall#182 gender
2008
Shamrock Marathon
4:05:11
#2951 overall#2947 gender
2007
Seattle Marathon
1:53:45
#530 overall#530 gender
2007
Seaside Half-Marathon and 5K
2:04:44
#672 overall#274 gender
2007
2025 Val Nolasco Half Marathon
2:27:49
#553 overall#205 gender
2006
Five Points Of Life
2:43:55
#524 overall#293 gender
2006
3M Half Marathon
3:09:20
#3076 overall#1490 gender
2005
3M Half Marathon
3:06:09
#2533 overall#1159 gender
1999
Jack & Jill Downhill Marathon & Half — July 25 (Sat) & 26 (Sun)
2:17:55
#1229 overall#501 gender
1998
Jack & Jill Downhill Marathon & Half — July 25 (Sat) & 26 (Sun)
2:13:08
#1050 overall#422 gender
1996
Capital City Marathon
1:51:00
#207 overall#70 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Towpath Half - Half Marathon and 5 MilerCleveland | OH | 2:33:33 | #210 |
| 2026 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 3:14:08 | #1867 |
| 2025 | Seattle MarathonSeattle | WA | 2:02:03 | #1833 |
| 2025 | Last Chance Marathon and Half MarathonBellingham | WA | 2:07:27 | #46 |
| 2025 | Redmond Harvest Half MarathonRedmond | WA | 2:09:11 | #460 |
| 2025 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 3:29:54 | #11401 |
| 2024 | Seattle MarathonSeattle | WA | 1:58:32 | #1236 |
| 2024 | Eugene Marathon 2024Eugene | OR | 2:16:47 | #2396 |
| 2024 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:41:04 | #4277 |
| 2024 | Glacier Half MarathonEast Glacier Park | MT | 2:41:16 | #670 |
| 2024 | Greenway Half Marathon, 10K & 5KLeetonia | OH | 3:05:17 | #90 |
| 2024 | 2026 Disney Wine & Dine Half Marathon WeekendOrlando | FL | 3:24:47 | #9181 |
| 2024 | Disneyland® Halloween Half Marathon Weekend 2025Anaheim | CA | 3:41:32 | #9598 |
| 2023 | Rock 'n' Roll Washington DCWashington | DC | 2:02:55 | #4050 |
| 2023 | Bellingham Bay MarathonBellingham | WA | 2:05:34 | #332 |
| 2023 | Whidbey Island MarathonOak Harbor | WA | 2:06:19 | #262 |
| 2023 | Last Chance Marathon and Half MarathonBellingham | WA | 2:09:45 | #67 |
| 2023 | Towpath Half - Half Marathon and 5 MilerCleveland | OH | 2:10:22 | #148 |
| 2023 | Redmond Reindeer RompRedmond | WA | 2:10:53 | #69 |
| 2023 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:34:24 | #3188 |
| 2023 | Georgetown Half MarathonGeorgetown | TX | 2:55:14 | #245 |
| 2023 | Indianapolis Monumental MarathonIndianapolis | IN | 3:18:14 | #5065 |
| 2023 | Iron Furnace Trail RunAthens | OH | 3:41:50 | #97 |
| 2022 | REVEL Big CottonwoodSalt Lake City | UT | 2:01:53 | #1234 |
| 2022 | 2026 HelvetiaHillsboro | OR | 2:18:29 | #260 |
| 2022 | Zion Half MarathonSpringdale | UT | 2:23:58 | #796 |
| 2022 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 2:30:32 | #1111 |
| 2022 | Joshua Tree Half MarathonJoshua Tree | CA | 2:45:41 | #843 |
| 2022 | Fueled by Fine WineDundee | OR | 2:52:54 | #192 |
| 2022 | Thanksgiving Day Half MarathonAtlanta | GA | 3:09:36 | #3744 |
| 2021 | Lucky 5K/10K/Half Marathon - St GeorgeSaint George | UT | 1:59:18 | #528 |
| 2021 | Bellingham Bay MarathonBellingham | WA | 1:59:50 | #287 |
| 2021 | Seattle MarathonSeattle | WA | 2:06:13 | #742 |
| 2021 | Eugene Marathon 2024Eugene | OR | 2:06:24 | #565 |
| 2021 | Portland MarathonPortland | OR | 2:14:21 | #1166 |
| 2021 | 2026 Independence Day RaceSt. Paul | OR | 2:23:58 | #77 |
| 2021 | St. Michaels Running Festival presented by Brooks (CANCELED)Saint Michaels | MD | 2:28:03 | #477 |
| 2021 | St. Michaels Running FestivalSaint Michaels | MD | 2:28:03 | #477 |
| 2021 | Yukon Do It MarathonPort Orchard | WA | 2:51:09 | #278 |
| 2021 | Timberline MarathonClackamas Lake Historic Ranger Station | OR | 2:53:10 | #115 |
| 2021 | 2026 Disney Wine & Dine Half Marathon WeekendOrlando | FL | 2:58:59 | #5501 |
| 2021 | Thanksgiving Day Half MarathonAtlanta | GA | 3:15:26 | #3206 |
| 2021 | Indianapolis Monumental MarathonIndianapolis | IN | 3:21:07 | #4965 |
| 2020 | United Airlines NYC HalfNew York | NY | 1:56:09 | #1300 |
| 2020 | Run to Stay WarmEugene | OR | 2:00:37 | #62 |
| 2020 | Foot Traffic Flat MarathonPortland | OR | 2:32:17 | #216 |
| 2020 | The Long View MarathonFort Collins | CO | 2:35:37 | #181 |
| 2019 | Bling in the New YearSnohomish | WA | 1:54:52 | #11 |
| 2019 | United Airlines NYC HalfNew York | NY | 1:57:02 | #9131 |
| 2019 | IMT Des Moines MarathonDes Moines | IA | 2:00:06 | #1213 |
| 2019 | Beach and Back Half Marathon & 5KMarshfield | MA | 2:04:45 | #210 |
| 2019 | ORRC Vernonia Marathon, Half Marathon, and Marathon RelayBanks | OR | 2:07:58 | #187 |
| 2019 | ORRC Y2KForest Grove | OR | 2:12:43 | #85 |
| 2019 | Holiday Half MarathonPortland | OR | 2:15:26 | #908 |
| 2019 | ORRC Champoeg 10K / 20K / 30K and Free Kid's RunSaint Paul | OR | 2:17:20 | #86 |
| 2019 | Runtastic HAUNTED ProvoProvo | UT | 2:20:28 | #1011 |
| 2019 | The Colorado MarathonFort Collins | CO | 2:21:12 | #696 |
| 2019 | Pittsburgh Marathon WeekendPittsburgh | PA | 2:23:12 | #7068 |
| 2019 | Blue Lake RunPortland | OR | 2:23:14 | #41 |
| 2019 | Kentucky Derby Festival Race WeekendLouisville | KY | 2:24:07 | #4378 |
| 2019 | Thanksgiving Day Half MarathonAtlanta | GA | 2:31:52 | #4359 |
| 2019 | Fueled by Fine WineDundee | OR | 2:44:45 | #399 |
| 2019 | ORRC Pumpkin Ridge Run 5K, 10K and Half MarathonNorth Plains | OR | 2:45:04 | #88 |
| 2019 | Garlic Festival RunNorth Plains | OR | 2:45:04 | #88 |
| 2019 | Publix Atlanta Marathon, Half Marathon & 5KAtlanta | GA | 2:56:31 | #4525 |
| 2018 | The Snohomish River Run Marathon, Half Marathon, 10K and 5KSnohomish | WA | 1:46:55 | #69 |
| 2018 | First Energy Akron MarathonAkron | OH | 1:47:18 | #361 |
| 2018 | Anacortes Art DashAnacortes | WA | 1:55:25 | #40 |
| 2018 | Berry Dairy Days RunsBurlington | WA | 1:57:12 | #43 |
| 2018 | Gansett Half MarathonNarragansett | RI | 2:00:56 | #147 |
| 2018 | Run Like Hell Half Marathon/10K/5KPortland | OR | 2:09:33 | #219 |
| 2018 | Crowell Hilaka Trail RunRichfield | OH | 2:16:26 | #9 |
| 2018 | Holiday Half MarathonPortland | OR | 2:19:53 | #1036 |
| 2018 | Pittsburgh Marathon WeekendPittsburgh | PA | 2:23:32 | #7740 |
| 2018 | Run MalibuMalibu | CA | 2:42:23 | #1781 |
| 2018 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 3:00:18 | #884 |
| 2017 | REVEL Big CottonwoodSalt Lake City | UT | 1:44:56 | #404 |
| 2017 | Bellingham Bay MarathonBellingham | WA | 1:56:08 | #262 |
| 2017 | RUN THE ALAMOSan Antonio | TX | 1:58:16 | #282 |
| 2017 | Runtastic HAUNTED Salt Lake CitySalt Lake City | UT | 2:00:07 | #328 |
| 2017 | ORRC Vernonia Marathon, Half Marathon, and Marathon RelayBanks | OR | 2:09:10 | #212 |
| 2017 | Tinker Bell Half MarathonAnaheim | CA | 2:11:34 | #883 |
| 2017 | Brooks Lake Sammamish Half Marathon presented by REIRedmond | WA | 2:15:20 | #931 |
| 2017 | Pittsburgh Marathon WeekendPittsburgh | PA | 2:19:46 | #7446 |
| 2017 | Independence Rhode RaceBristol | RI | 2:29:18 | #439 |
| 2017 | Independence Rhode RaceBristol | RI | 2:29:18 | #439 |
| 2017 | All-Out Beat the HeatWestminster | CO | 2:41:23 | #126 |
| 2016 | Rain Run Half Marathonredmond | WA | 1:46:46 | #67 |
| 2016 | REVEL Big CottonwoodSalt Lake City | UT | 1:48:34 | #596 |
| 2016 | Bellingham Bay MarathonBellingham | WA | 1:51:40 | #197 |
| 2016 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 1:52:34 | #1361 |
| 2016 | Towpath Half - Half Marathon and 5 MilerCleveland | OH | 2:00:06 | #165 |
| 2016 | Hapalua Hawaii's Half MarathonHonolulu | HI | 2:03:32 | #1030 |
| 2016 | Rockfest Half MarathonHampton Beach | NH | 2:09:47 | #1923 |
| 2016 | 2026 Avenue of the Giants MarathonArcata | CA | 2:12:29 | #576 |
| 2016 | See Jane Run Half MarathonSeattle | WA | 2:17:03 | #244 |
| 2016 | Rock 'n' Roll Washington DCWashington | DC | 2:17:51 | #8193 |
| 2016 | Pittsburgh Marathon WeekendPittsburgh | PA | 2:19:29 | #7390 |
| 2015 | Bellingham Bay MarathonBellingham | WA | 1:51:14 | #211 |
| 2015 | Cleveland Marathon & Half MarathonCleveland | OH | 1:55:49 | #914 |
| 2015 | 2025 Val Nolasco Half MarathonHonolulu | HI | 2:04:35 | #452 |
| 2015 | Rockfest Half MarathonHampton Beach | NH | 2:15:28 | #2854 |
| 2015 | Pittsburgh Marathon WeekendPittsburgh | PA | 2:16:43 | #7603 |
| 2015 | Fargo Marathon WeekendFargo | ND | 2:18:19 | #3122 |
| 2015 | Race 13.1 Midtown Raleigh - SpringRaleigh | NC | 2:40:51 | #812 |
| 2015 | Route 66 Marathon & Half Marathon, Marathon RelayTulsa | OK | 3:00:37 | #5574 |
| 2015 | Tinker Bell Half MarathonAnaheim | CA | 3:04:16 | #6561 |
| 2014 | Bellingham Bay MarathonBellingham | WA | 1:53:53 | #277 |
| 2014 | Rock 'n' Roll San DiegoSan Diego | CA | 1:54:23 | #2651 |
| 2014 | Seattle MarathonSeattle | WA | 1:56:09 | #1349 |
| 2014 | Cleveland Marathon & Half MarathonCleveland | OH | 1:56:52 | #1623 |
| 2014 | Hapalua Hawaii's Half MarathonHonolulu | HI | 1:57:46 | #550 |
| 2014 | 2025 Val Nolasco Half MarathonHonolulu | HI | 1:58:07 | #361 |
| 2014 | Bidwell Classic 5K, 10k and Half Marathon March 7th, 2026Chico | CA | 1:59:19 | #181 |
| 2014 | 2025 500 Festival Running EventsIndianapolis | IN | 2:15:59 | #11017 |
| 2014 | Oakland Running FestivalOakland | CA | 2:17:28 | #1811 |
| 2014 | Tinker Bell Half MarathonAnaheim | CA | 2:20:38 | #2266 |
| 2014 | Lincoln MarathonLincoln | NE | 2:23:45 | #5777 |
| 2014 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:58:36 | #19534 |
| 2014 | Healdsburg Wine Country Half MarathonHealdsburg | CA | 3:11:15 | #1756 |
| 2013 | Whidbey Island MarathonOak Harbor | WA | 1:55:15 | #243 |
| 2013 | Cleveland Marathon & Half MarathonCleveland | OH | 1:57:22 | #1939 |
| 2013 | 2025 Val Nolasco Half MarathonHonolulu | HI | 1:58:05 | #316 |
| 2013 | 2026 Windward Half Marathon and 5Kailua | HI | 2:01:05 | #132 |
| 2013 | Jamestown Rhode RacesJamestown | RI | 2:09:17 | #709 |
| 2013 | St. Michaels Running FestivalSaint Michaels | MD | 2:23:08 | #871 |
| 2013 | Santa Cruz Half MarathonSanta Cruz | CA | 2:40:08 | #2031 |
| 2013 | Two Cities MarathonFresno | CA | 2:44:07 | #1017 |
| 2013 | Monterey Bay Half MarathonMonterey | CA | 2:45:50 | #5923 |
| 2013 | Oakland Running FestivalOakland | CA | 2:48:00 | #2802 |
| 2013 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:54:14 | #16756 |
| 2013 | Healdsburg Wine Country Half MarathonHealdsburg | CA | 3:02:09 | #1721 |
| 2012 | Eugene Marathon 2024Eugene | OR | 1:52:46 | #779 |
| 2012 | Eugene Women's Half MarathonEugene | OR | 1:55:21 | #127 |
| 2012 | Healdsburg Wine Country Half MarathonHealdsburg | CA | 1:56:46 | #500 |
| 2012 | Rock 'n' Roll Savannah Marathon & 1/2 MarathonSavannah | GA | 2:00:59 | #2467 |
| 2012 | Hapalua Hawaii's Half MarathonHonolulu | HI | 2:02:26 | #575 |
| 2012 | Cleveland Marathon & Half MarathonCleveland | OH | 2:04:04 | #2365 |
| 2012 | Davis MoonLight RunDavis | CA | 2:09:53 | #532 |
| 2012 | Newport MarathonNewport | RI | 2:11:19 | #2016 |
| 2012 | Annapolis Running ClassicAnnapolis | MD | 2:36:03 | #2408 |
| 2012 | 2025 500 Festival Running EventsIndianapolis | IN | 2:39:33 | #18419 |
| 2012 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:44:16 | #13410 |
| 2011 | Snow Canyon Half MarathonSaint George | UT | 1:45:08 | #326 |
| 2011 | Davis MoonLight RunDavis | CA | 1:52:46 | #302 |
| 2011 | Eugene Women's Half MarathonEugene | OR | 1:52:55 | #112 |
| 2011 | Seaside Half-Marathon and 5KSeaside | FL | 1:53:06 | #430 |
| 2011 | Seattle MarathonSeattle | WA | 1:54:37 | #1408 |
| 2011 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 1:55:23 | #2844 |
| 2011 | Cleveland Marathon & Half MarathonCleveland | OH | 1:55:25 | #1859 |
| 2011 | 2025 Val Nolasco Half MarathonHonolulu | HI | 1:57:59 | #348 |
| 2011 | Almond BowlChico | CA | 1:59:38 | #136 |
| 2011 | Bidwell Classic 5K, 10k and Half Marathon March 7th, 2026Chico | CA | 1:59:42 | #265 |
| 2011 | Davis StampedeDavis | CA | 2:02:21 | #559 |
| 2011 | Carlsbad MarathonCarlsbad | CA | 2:02:27 | #2383 |
| 2011 | La Jolla Half Marathon & 5KSan Diego | CA | 2:09:52 | #2989 |
| 2011 | Mora Half Marathon & 5KMora | MN | 2:11:19 | #167 |
| 2011 | Oklahoma City Memorial MarathonOklahoma City | OK | 2:27:07 | #4220 |
| 2011 | Beer City Half™ San DiegoSan Diego | CA | 2:27:27 | #5146 |
| 2011 | 31st Annual Tom King Classic Half Marathon Run and 5K Run/WalkNashville | TN | 2:30:26 | #1086 |
| 2011 | Cedars of Lebanon Frostbite Half-MarathonLebanon | TN | 2:34:33 | #520 |
| 2011 | Historic Half Training (sponsored by FARC)Fredericksburg | VA | 2:38:09 | #4437 |
| 2011 | Shamrock MarathonVirginia Beach | VA | 2:46:36 | #5649 |
| 2011 | Thanksgiving Day Half MarathonAtlanta | GA | 2:50:13 | #7895 |
| 2010 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 1:49:25 | #1468 |
| 2010 | Bellingham Bay MarathonBellingham | WA | 1:53:29 | #207 |
| 2010 | Cleveland Marathon & Half MarathonCleveland | OH | 1:54:23 | #1194 |
| 2010 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 1:55:16 | #2172 |
| 2010 | Seattle MarathonSeattle | WA | 1:56:00 | #1822 |
| 2010 | 2025 Val Nolasco Half MarathonHonolulu | HI | 2:01:12 | #395 |
| 2010 | DONNA Marathon WeekendJacksonville Beach | FL | 2:24:52 | #1444 |
| 2010 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:42:58 | #13592 |
| 2010 | Two Cities MarathonFresno | CA | 2:47:38 | #2559 |
| 2010 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:55:13 | #16629 |
| 2010 | Oregon Wine Country Half MarathonDayton | OR | 3:29:41 | #1127 |
| 2009 | Seattle MarathonSeattle | WA | 2:05:37 | #3099 |
| 2009 | Hibiscus Half Marathon 5m 15KHonolulu | HI | 2:09:12 | #328 |
| 2009 | Outer Banks MarathonManteo | NC | 2:31:05 | #2249 |
| 2009 | Oklahoma City Memorial MarathonOklahoma City | OK | 2:35:31 | #3789 |
| 2009 | 2026 - San Antonio MarathonSan Antonio | TX | 3:17:11 | #17011 |
| 2008 | 2025 Val Nolasco Half MarathonHonolulu | HI | 2:12:52 | #541 |
| 2008 | Shamrock MarathonVirginia Beach | VA | 4:05:11 | #2951 |
| 2007 | Seattle MarathonSeattle | WA | 1:53:45 | #530 |
| 2007 | Seaside Half-Marathon and 5KSeaside | FL | 2:04:44 | #672 |
| 2007 | 2025 Val Nolasco Half MarathonHonolulu | HI | 2:27:49 | #553 |
| 2006 | Five Points Of LifeGainesville | FL | 2:43:55 | #524 |
| 2006 | 3M Half MarathonAustin | TX | 3:09:20 | #3076 |
| 2005 | 3M Half MarathonAustin | TX | 3:06:09 | #2533 |
| 1999 | Jack & Jill Downhill Marathon & Half — July 25 (Sat) & 26 (Sun)North Bend | WA | 2:17:55 | #1229 |
| 1998 | Jack & Jill Downhill Marathon & Half — July 25 (Sat) & 26 (Sun)North Bend | WA | 2:13:08 | #1050 |
| 1996 | Capital City MarathonOlympia | WA | 1:51:00 | #207 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
WAWashington
35 racesCACalifornia
26 racesOROregon
24 racesOHOhio
14 racesHIHawaii
12 racesFLFlorida
9 racesUTUtah
8 racesPAPennsylvania
7 racesCOColorado
6 racesGAGeorgia
6 racesTXTexas
5 racesINIndiana
4 racesMDMaryland
4 racesOKOklahoma
3 racesVAVirginia
3 racesDCDistrict of Columbia
2 racesNCNorth Carolina
2 racesNYNew York
2 racesTNTennessee
2 racesIAIowa
1 raceKYKentucky
1 raceMAMassachusetts
1 raceMNMinnesota
1 raceILIllinois
0 racesSDSouth Dakota
0 races50-State Challenge
25/ 51 states + DC
26 states to go