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JD
Jeff Duncan
MaleNew York1997–2026
46
Total Finishes
34
Different Races
17
States (33%)
1:44:41
PR (7:59/mi)
2:20:11
Average
+0:55:54
Slower (first to last)
Medal House
2011
B.A.A. Half Marathon
1:53:05
#1476 overall#987 gender
2010
Manchester City Marathon
1:53:32
#339 overall#242 gender
2010
MO' Cowbell Marathon/Half-Marathon/10K/5K
2:18:59
#3264 overall#1664 gender
2009
Shamrock Marathon
1:44:41
#736 overall#546 gender
2007
Greater St. Louis Marathon
2:09:06
#2987 overall#1725 gender
2007
St. Jude Memphis Marathon Weekend
2:30:59
#4096 overall#2028 gender
2006
Greater St. Louis Marathon
2:09:51
#3023 overall#1659 gender
2006
Rock 'n' Roll New Orleans
2:10:38
#700 overall#455 gender
2002
2025 500 Festival Running Events
2:04:16
#7258 overall#5362 gender
2000
Cedars of Lebanon Frostbite Half-Marathon
2:33:09
#473 overall#303 gender
1998
Strawberry Plains Half Marathon and 10K, Presented by Eddie's Health Shoppe
1:53:22
#232 overall#179 gender
1997
2025 500 Festival Running Events
2:21:53
#8797 overall#6312 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Mountain Man Memorial MarchGatlinburg | TN | 3:17:47 | #9 |
| 2023 | Fort Desoto Half MarathonSaint Petersburg | FL | 2:40:37 | #76 |
| 2022 | Race to the Cave Half MarathonWoodville | AL | 2:44:17 | #202 |
| 2019 | Cambridge Half Marathon + 5KCambridge | MA | 1:53:57 | #1932 |
| 2018 | Eastern States Road RaceKittery | ME | 1:48:30 | #49 |
| 2017 | Lake Effect Half MarathonMinoa | NY | 2:45:07 | #524 |
| 2017 | Newport MarathonNewport | OR | 3:37:58 | #345 |
| 2016 | Charleston Half MarathonCharleston | SC | 1:55:08 | #615 |
| 2016 | Philadelphia MarathonPhiladelphia | PA | 2:16:28 | #6065 |
| 2016 | Lake Effect Half MarathonMinoa | NY | 2:22:25 | #447 |
| 2016 | Empire State Half Marathon & 5kCongers | NY | 2:25:05 | #588 |
| 2016 | Hapalua Hawaii's Half MarathonHonolulu | HI | 2:51:05 | #4001 |
| 2015 | Boston's Run To RememberBoston | MA | 1:53:02 | #1718 |
| 2015 | Empire State Half Marathon & 5kCongers | NY | 2:12:02 | #503 |
| 2015 | ARC RacesLiverpool | NY | 2:16:01 | #207 |
| 2015 | 2027 Syracuse Half MarathonSyracuse | NY | 2:25:56 | #2165 |
| 2015 | Lake Effect Half MarathonMinoa | NY | 2:34:58 | #438 |
| 2014 | Boston's Run To RememberBoston | MA | 1:55:42 | #2229 |
| 2014 | ARC RacesLiverpool | NY | 2:04:39 | #158 |
| 2014 | Alaska Salmon RunsCordova | AK | 2:07:39 | #19 |
| 2014 | 2027 Syracuse Half MarathonSyracuse | NY | 2:08:06 | #745 |
| 2014 | Lake Effect Half MarathonMinoa | NY | 2:18:00 | #413 |
| 2014 | Hotlanta Half MarathonAtlanta | GA | 2:57:06 | #1074 |
| 2013 | Boston's Run To RememberBoston | MA | 1:46:19 | #1177 |
| 2013 | ARC RacesLiverpool | NY | 2:02:13 | #204 |
| 2013 | Garmin Olathe Marathon, Half Marathon and 10K in the land of OzOlathe | KS | 2:04:00 | #396 |
| 2013 | Capital City Half MarathonColumbus | OH | 2:08:26 | #3866 |
| 2013 | Hospital Hill RunKansas City | MO | 2:12:48 | #2560 |
| 2013 | Pi Day River RotationLawrence | KS | 2:13:51 | #33 |
| 2013 | Lake Effect Half MarathonMinoa | NY | 2:15:25 | #359 |
| 2013 | 2027 Syracuse Half MarathonSyracuse | NY | 2:20:52 | #865 |
| 2012 | Nashville 1/2 MarathonNashville | TN | 2:20:55 | #863 |
| 2012 | Sunrise Marathon 5K/10K/13.1 KANSAS CITYKansas City | MO | 2:21:00 | #3416 |
| 2011 | B.A.A. Half MarathonBoston | MA | 1:53:05 | #1476 |
| 2011 | Greater St. Louis MarathonSt. Louis | MO | 2:20:30 | #5458 |
| 2011 | Silver Comet Half & Full MarathonMableton | GA | 2:25:46 | #1154 |
| 2011 | Detroit Free Press MarathonDetroit | MI | 2:26:57 | #5027 |
| 2011 | Frederick Running FestivalFrederick | MD | 3:19:15 | #3654 |
| 2010 | Manchester City MarathonManchester | NH | 1:53:32 | #339 |
| 2010 | MO' Cowbell Marathon/Half-Marathon/10K/5KSaint Charles | MO | 2:18:59 | #3264 |
| 2009 | Shamrock MarathonVirginia Beach | VA | 1:44:41 | #736 |
| 2007 | Greater St. Louis MarathonSt. Louis | MO | 2:09:06 | #2987 |
| 2007 | St. Jude Memphis Marathon WeekendMemphis | TN | 2:30:59 | #4096 |
| 2006 | Greater St. Louis MarathonSt. Louis | MO | 2:09:51 | #3023 |
| 2006 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:10:38 | #700 |
| 2002 | 2025 500 Festival Running EventsIndianapolis | IN | 2:04:16 | #7258 |
| 2000 | Cedars of Lebanon Frostbite Half-MarathonLebanon | TN | 2:33:09 | #473 |
| 1998 | Strawberry Plains Half Marathon and 10K, Presented by Eddie's Health ShoppeStrawberry Plains | TN | 1:53:22 | #232 |
| 1997 | 2025 500 Festival Running EventsIndianapolis | IN | 2:21:53 | #8797 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
13 racesMOMissouri
6 racesMAMassachusetts
5 racesTNTennessee
5 racesGAGeorgia
2 racesINIndiana
2 racesKSKansas
2 racesALAlabama
1 raceHIHawaii
1 raceMDMaryland
1 raceMIMichigan
1 raceNHNew Hampshire
1 raceOHOhio
1 raceOROregon
1 raceSCSouth Carolina
1 raceVAVirginia
1 raceTXTexas
0 races50-State Challenge
17/ 51 states + DC
34 states to go