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JC
Justin Cox
MaleCalifornia2008–2026
73
Total Finishes
43
Distinct Races
21
States (41%)
1:23:01
PR (6:20/mi)
2:20:06
Average
+0:42:59
Slower (first to last)
Medal House
2010
Rock 'n' Roll San Jose
1:57:10
#2316 overall#1723 gender
2010
2026 Avenue of the Giants Marathon
2:02:55
#340 overall#193 gender
2009
Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8k
1:42:03
#381 overall
2009
Charlottesville Marathon
1:43:00
#98 overall#74 gender
2009
Whidbey Island Marathon
2:12:35
#553 overall#267 gender
2009
2026 - San Antonio Marathon
2:35:15
#10922 overall#5141 gender
2009
2027 Walt Disney World® Marathon Weekend
2:38:58
#6822 overall#3576 gender
2009
Sunrise Marathon 5K/10K/13.1 KANSAS CITY
2:39:08
#3801 overall#1646 gender
2008
Rock Canyon Half Marathon
1:35:15
#53 overall#45 gender
2008
Monterey Bay Half Marathon
2:01:29
#1605 overall#915 gender
2008
2026 - San Antonio Marathon
2:35:13
#10303 overall#4279 gender
2004
Rock 'n' Roll Arizona Marathon
2:09:43
#4772 overall#2649 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:52:42 | #2513 |
| 2025 | Clarence DeMar MarathonKeene | NH | 1:47:51 | #71 |
| 2025 | Good Life HalfsyLincoln | NE | 2:08:34 | #3277 |
| 2025 | Napa to Sonoma Wine Country Half MarathonSonoma | CA | 2:25:40 | #1316 |
| 2025 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:44:43 | #2385 |
| 2025 | Disneyland® Halloween Half Marathon Weekend 2025Anaheim | CA | 3:04:19 | #5827 |
| 2024 | Marshall University MarathonHuntington | WV | 1:42:17 | #90 |
| 2024 | Clarence DeMar MarathonKeene | NH | 1:44:29 | #59 |
| 2024 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 2:24:03 | #5086 |
| 2024 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:24:12 | #3571 |
| 2024 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 2:27:13 | #5448 |
| 2024 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:46:05 | #2910 |
| 2023 | Clarence DeMar MarathonKeene | NH | 1:49:43 | #74 |
| 2023 | Marshall University MarathonHuntington | WV | 1:54:44 | #200 |
| 2023 | Community First Fox Cities Marathon presented by Miron ConstructionMenasha | WI | 2:08:56 | #530 |
| 2023 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 2:18:01 | #3886 |
| 2023 | Monterey Bay Half MarathonMonterey | CA | 2:30:37 | #3624 |
| 2023 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:49:38 | #3508 |
| 2022 | Clarence DeMar MarathonKeene | NH | 1:49:27 | #76 |
| 2022 | Bellingham Bay MarathonBellingham | WA | 1:57:16 | #225 |
| 2022 | Flying Pig Pump and RunCincinnati | OH | 2:22:34 | #3366 |
| 2022 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:24:44 | #2464 |
| 2022 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:36:41 | #15593 |
| 2021 | Marshall University MarathonHuntington | WV | 1:38:49 | #39 |
| 2021 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:46:27 | #2106 |
| 2019 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:55:28 | #4188 |
| 2019 | Capital City Half MarathonColumbus | OH | 3:16:05 | #5098 |
| 2019 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 3:25:18 | #8453 |
| 2018 | Detroit Free Press MarathonDetroit | MI | 1:54:32 | #1313 |
| 2018 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:11:36 | #2451 |
| 2018 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:50:01 | #4105 |
| 2018 | Red Carpet RunCocoa | FL | 3:24:05 | #374 |
| 2017 | Capital City Half MarathonColumbus | OH | 1:30:15 | #286 |
| 2017 | Marshall University MarathonHuntington | WV | 1:46:03 | #72 |
| 2017 | Garmin Olathe Marathon, Half Marathon and 10K in the land of OzOlathe | KS | 2:33:01 | #1245 |
| 2017 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:42:20 | #4070 |
| 2017 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 3:24:58 | #9125 |
| 2016 | Boston's Run To RememberBoston | MA | 1:48:08 | #1034 |
| 2016 | Capital City Half MarathonColumbus | OH | 1:59:04 | #1997 |
| 2016 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:06:06 | #3748 |
| 2016 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:26:47 | #3807 |
| 2016 | 2025 500 Festival Running EventsIndianapolis | IN | 3:09:43 | #19286 |
| 2016 | Hero Half MarathonFayetteville | AR | 3:48:18 | #269 |
| 2015 | OhioHealth Emerald City Half and Quarter MarathonDublin | OH | 2:01:01 | #580 |
| 2015 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:06:39 | #6036 |
| 2015 | Flying Pig Pump and RunCincinnati | OH | 2:07:25 | #3515 |
| 2015 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:11:21 | #2830 |
| 2015 | Capital City Half MarathonColumbus | OH | 2:13:25 | #3762 |
| 2014 | Bluegrass Half MarathonJohnson City | TN | 1:58:02 | #143 |
| 2014 | Monterey Bay Half MarathonMonterey | CA | 2:07:37 | #2631 |
| 2014 | Flying Pig Pump and RunCincinnati | OH | 2:11:22 | #3956 |
| 2014 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 2:11:27 | #3363 |
| 2013 | Rock 'n' Roll San DiegoSan Diego | CA | 1:56:05 | #3415 |
| 2013 | Salinas Valley Half MarathonSoledad | CA | 1:56:54 | #327 |
| 2013 | Monterey Bay Half MarathonMonterey | CA | 1:57:00 | #1747 |
| 2013 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 2:01:54 | #1823 |
| 2013 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:09:17 | #3923 |
| 2013 | 2026 Disney Wine & Dine Half Marathon WeekendOrlando | FL | 2:17:08 | #2582 |
| 2013 | Rock 'n' Roll Half Marathon San FranciscoSan Francisco | CA | 3:04:28 | #5148 |
| 2013 | Life Time Miami Marathon & HalfMiami | FL | 3:16:15 | #13723 |
| 2012 | Run Northumberland Half MarathonNorthumberland | PA | 1:23:01 | #15 |
| 2012 | New Hampshire Marathon, 10K, and 5K WalkBristol | NH | 1:36:36 | #17 |
| 2012 | Race For The Roses Half Marathon & 5KPortland | OR | 1:53:03 | #275 |
| 2012 | Crystal Coast Half Marathon 5KMorehead City | NC | 1:55:07 | #136 |
| 2012 | Rock 'n' Roll San DiegoSan Diego | CA | 1:58:32 | #3240 |
| 2012 | Marshall University MarathonHuntington | WV | 1:58:48 | #296 |
| 2012 | Clo Cow Half MarathonPetaluma | CA | 2:02:58 | #178 |
| 2012 | Outer Banks MarathonManteo | NC | 4:08:36 | #2540 |
| 2011 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:10:07 | #4018 |
| 2011 | 2026 - San Antonio MarathonSan Antonio | TX | 2:16:19 | #6636 |
| 2010 | Rock 'n' Roll San JoseSan Jose | CA | 1:57:10 | #2316 |
| 2010 | 2026 Avenue of the Giants MarathonArcata | CA | 2:02:55 | #340 |
| 2009 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmond | VA | 1:42:03 | #381 |
| 2009 | Charlottesville MarathonCharlottesville | VA | 1:43:00 | #98 |
| 2009 | Whidbey Island MarathonOak Harbor | WA | 2:12:35 | #553 |
| 2009 | 2026 - San Antonio MarathonSan Antonio | TX | 2:35:15 | #10922 |
| 2009 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 2:38:58 | #6822 |
| 2009 | Sunrise Marathon 5K/10K/13.1 KANSAS CITYKansas City | MO | 2:39:08 | #3801 |
| 2008 | Rock Canyon Half MarathonPueblo | CO | 1:35:15 | #53 |
| 2008 | Monterey Bay Half MarathonMonterey | CA | 2:01:29 | #1605 |
| 2008 | 2026 - San Antonio MarathonSan Antonio | TX | 2:35:13 | #10303 |
| 2004 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:09:43 | #4772 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
26 racesOHOhio
12 racesNHNew Hampshire
5 racesWVWest Virginia
5 racesFLFlorida
4 racesLALouisiana
3 racesPAPennsylvania
3 racesTXTexas
3 racesWAWashington
3 racesAZArizona
2 racesNCNorth Carolina
2 racesVAVirginia
2 racesARArkansas
1 raceCOColorado
1 raceINIndiana
1 raceKSKansas
1 raceMIMichigan
1 raceNENebraska
1 raceOROregon
1 raceTNTennessee
1 raceMNMinnesota
0 races50-State Challenge
21/ 51 states + DC
30 states to go