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JK
Joan Koss
FemaleVirginia2003–2026
14
Total Finishes
6
Different Races
2
States (4%)
1:53:47
PR (8:41/mi)
2:08:08
Average
+0:22:17
Slower (first to last)
Medal House
2024
Runners Marathon and Half Marathon of Reston
2:14:27
#110 overall#37 gender
2023
Runners Marathon and Half Marathon of Reston
2:20:07
#118 overall#53 gender
2022
Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8k
2:05:21
#2329 overall#905 gender
2022
Runners Marathon and Half Marathon of Reston
2:11:45
#144 overall#51 gender
2018
Runners Marathon and Half Marathon of Reston
2:08:02
#175 overall#74 gender
2018
The North Face Endurance Challenge
2:25:41
#456 overall#155 gender
2017
Runners Marathon and Half Marathon of Reston
2:06:35
#172 overall#66 gender
2015
Runners Marathon and Half Marathon of Reston
1:58:16
#102 overall#34 gender
2014
Runners Marathon and Half Marathon of Reston
2:04:26
#145 overall#46 gender
2013
Runners Marathon and Half Marathon of Reston
1:55:44
#80 overall#29 gender
2013
MCRRC Riley's Rumble Half Marathon
1:58:38
#188 overall#49 gender
2003
LewisGale Salem Half Marathon, 8K and Kids Fun Run
1:53:47
#202 overall#49 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Run Thru Reston Half Marathon & 5KReston | VA | 2:16:04 | #208 |
| 2025 | Run Thru Reston Half Marathon & 5KReston | VA | 2:15:04 | #117 |
| 2024 | Runners Marathon and Half Marathon of RestonReston | VA | 2:14:27 | #110 |
| 2023 | Runners Marathon and Half Marathon of RestonReston | VA | 2:20:07 | #118 |
| 2022 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 2:05:21 | #2329 |
| 2022 | Runners Marathon and Half Marathon of RestonReston | VA | 2:11:45 | #144 |
| 2018 | Runners Marathon and Half Marathon of RestonReston | VA | 2:08:02 | #175 |
| 2018 | The North Face Endurance ChallengeSterling | VA | 2:25:41 | #456 |
| 2017 | Runners Marathon and Half Marathon of RestonReston | VA | 2:06:35 | #172 |
| 2015 | Runners Marathon and Half Marathon of RestonReston | VA | 1:58:16 | #102 |
| 2014 | Runners Marathon and Half Marathon of RestonReston | VA | 2:04:26 | #145 |
| 2013 | Runners Marathon and Half Marathon of RestonReston | VA | 1:55:44 | #80 |
| 2013 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 1:58:38 | #188 |
| 2003 | LewisGale Salem Half Marathon, 8K and Kids Fun RunSalem | VA | 1:53:47 | #202 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
VAVirginia
13 racesDCDistrict of Columbia
0 races50-State Challenge
2/ 51 states + DC
49 states to go