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JC
Jefferson Clark
MaleMaryland2010–2025
30
Total Finishes
29
Different Races
8
States (16%)
1:42:08
PR (7:48/mi)
2:00:03
Average
+0:27:51
Slower (first to last)
Medal House
2015
Shamrock Marathon
1:42:08
#632 overall#470 gender
2014
Gettysburg Festival of Races
1:49:53
#131 overall#100 gender
2014
Gettysburg Blue-Gray 1/2 Marathon & Gateway 5K
1:49:53
#128 overall#99 gender
2014
Frederick Running Festival
1:49:54
#678 overall#491 gender
2014
Baltimore Running Festival
1:53:22
#1126 overall#800 gender
2014
Fredericksburg Blue and Gray Half Marathon
1:59:17
#298 overall#197 gender
2014
Michigan Wine Trail Half Marathon
2:28:04
#248 overall#82 gender
2014
Bird-in-Hand Half Marathon, 5K, and Kid's Fun Run
2:40:58
#1032 overall#487 gender
2013
Baltimore Running Festival
1:56:19
#2018 overall#1294 gender
2012
Historic Half Training (sponsored by FARC)
2:08:39
#2396 overall#1692 gender
2010
Jeff Winter City of Lakes Half marathon
1:58:53
#87 overall#68 gender
2010
Loppet Field Day and Surly Brewing Co. Trail Loppet
1:58:53
#87 overall
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | DC Half RacesWashington | DC | 2:21:27 | #4895 |
| 2025 | PNC Alexandria HalfAlexandria | VA | 2:26:44 | #2500 |
| 2023 | Credit Union Cherry Blossom Ten MileWashington | DC | 1:55:15 | #383 |
| 2023 | Annapolis Running FestivalAnnapolis | MD | 2:09:28 | #284 |
| 2023 | Annapolis Running FestivalAnnapolis | MD | 2:09:29 | #287 |
| 2017 | United Airlines NYC HalfNew York | NY | 2:03:03 | #9345 |
| 2016 | St. Michaels Running FestivalSaint Michaels | MD | 1:47:14 | #149 |
| 2016 | Monster Mash Marathon & Half MarathonDover | DE | 1:47:18 | #34 |
| 2016 | City of Lakes Surly Trail LoppetMinneapolis | MN | 1:48:09 | #86 |
| 2016 | Loppet Field Day and Surly Brewing Co. Trail LoppetMinneapolis | MN | 1:48:09 | #86 |
| 2016 | April Fools Half MarathonAtlantic City | NJ | 1:49:08 | #158 |
| 2016 | Saint Patrick's Day Run FestHagerstown | MD | 1:50:16 | #37 |
| 2016 | Rocky RunPhiladelphia | PA | 1:56:09 | #215 |
| 2016 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:57:09 | #989 |
| 2016 | Colonial Half MarathonWilliamsburg | VA | 2:00:56 | #271 |
| 2015 | Shamrock MarathonVirginia Beach | VA | 1:42:08 | #632 |
| 2015 | Hershey Half MarathonHershey | PA | 1:53:28 | #612 |
| 2015 | Annapolis Running ClassicAnnapolis | MD | 1:55:48 | #615 |
| 2015 | Navy Air Force Half Marathon & Navy 5-MilerWashington | DC | 1:56:04 | #1373 |
| 2015 | Disneyland Half Marathon WeekendAnaheim | CA | 2:00:23 | #1277 |
| 2015 | 2027 WALT DISNEY WORLD® Marathon Weekend presented by State Farm® With A Running PassionOrlando | FL | 2:01:38 | #2521 |
| 2014 | Gettysburg Festival of RacesGettysburg | PA | 1:49:53 | #131 |
| 2014 | Gettysburg Blue-Gray 1/2 Marathon & Gateway 5K | — | 1:49:53 | #128 |
| 2014 | Frederick Running FestivalFrederick | MD | 1:49:54 | #678 |
| 2014 | Baltimore Running FestivalBaltimore | MD | 1:53:22 | #1126 |
| 2014 | Fredericksburg Blue and Gray Half MarathonFredericksburg | VA | 1:59:17 | #298 |
| 2014 | Michigan Wine Trail Half MarathonVadodara | MI | 2:28:04 | #248 |
| 2014 | Bird-in-Hand Half Marathon, 5K, and Kid's Fun RunBird In Hand | PA | 2:40:58 | #1032 |
| 2013 | Baltimore Running FestivalBaltimore | MD | 1:56:19 | #2018 |
| 2012 | Historic Half Training (sponsored by FARC)Fredericksburg | VA | 2:08:39 | #2396 |
| 2010 | Jeff Winter City of Lakes Half marathonMinneapolis | MN | 1:58:53 | #87 |
| 2010 | Loppet Field Day and Surly Brewing Co. Trail LoppetMinneapolis | MN | 1:58:53 | #87 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MDMaryland
8 racesVAVirginia
6 racesMNMinnesota
4 racesPAPennsylvania
4 racesDCDistrict of Columbia
3 racesMIMichigan
1 raceNJNew Jersey
1 raceNYNew York
1 race50-State Challenge
8/ 50 states
42 states to go