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JC
Jeffrey Chang
MaleCalifornia2003–2026
37
Total Finishes
31
Different Races
8
States (16%)
1:34:32
PR (7:13/mi)
2:14:19
Average
+0:48:38
Slower (first to last)
Medal House
2012
Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K
1:49:41
#201 overall#135 gender
2012
Tacoma City Marathon
1:49:41
#201 overall
2011
Safari Park Half Marathon
1:56:45
#685 overall#429 gender
2011
Rose Bowl Half Marathon
1:57:09
#152 overall#116 gender
2011
Seattle Marathon: Summer Events
2:02:10
#2258 overall#1420 gender
2011
Beer City Half San Diego
2:10:58
#3488 overall#2064 gender
2011
Americas Finest City Half Marathon
2:10:58
#3491 overall#2069 gender
2010
Carlsbad Marathon
1:55:30
#1680 overall#1073 gender
2010
Tri-City Medical Center Carlsbad Marathon
1:55:30
#1685 overall#1077 gender
2007
2026 Humboldt Redwoods Marathon, Half Marathon, 5K
1:44:30
#166 overall#112 gender
2005
Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K
2:32:52
#1487 overall#746 gender
2003
Rock ‘n’ Roll Philadelphia Half Marathon
1:48:28
#2321 overall#1828 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Surf City MarathonHuntington Beach | CA | 2:37:06 | #7145 |
| 2025 | Dallas Marathon WeekendDallas | TX | 1:34:32 | #326 |
| 2025 | 2024 Uloha Half MarathonKailua | HI | 2:38:01 | #344 |
| 2025 | Uloha Kailua Half MarathonHonolulu | HI | 2:38:01 | #344 |
| 2024 | Dallas Marathon WeekendDallas | TX | 1:57:26 | #1758 |
| 2023 | Tour Des FleursDallas | TX | 1:39:27 | #65 |
| 2023 | Tour des Fleurs Half and Quarter MarathonDallas | TX | 1:39:27 | #64 |
| 2023 | The BearathonWaco | TX | 1:40:47 | #87 |
| 2023 | Rock 'n' Roll San JoseSan Jose | CA | 2:32:33 | #3763 |
| 2023 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:41:52 | #2453 |
| 2023 | Rose Bowl Half MarathonPasadena | CA | 2:59:26 | #6142 |
| 2022 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 1:39:33 | #144 |
| 2022 | The BearathonWaco | TX | 1:48:59 | #96 |
| 2022 | Oakland Running FestivalOakland | CA | 2:18:42 | #1428 |
| 2022 | Seattle Marathon: Summer EventsSeattle | WA | 2:26:41 | #1700 |
| 2022 | Hapalua Hawaii's Half MarathonHonolulu | HI | 3:19:18 | #3897 |
| 2019 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 2:10:05 | #16137 |
| 2019 | The BearathonWaco | TX | 2:26:49 | #720 |
| 2015 | Yosemite Half MarathonBass Lake | CA | 2:57:34 | #1365 |
| 2015 | Zion Half MarathonSpringdale | UT | 3:15:03 | #1812 |
| 2012 | Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacoma | WA | 1:49:41 | #201 |
| 2012 | Tacoma City Marathon | — | 1:49:41 | #201 |
| 2012 | Pasadena Half Marathon & 5KPasadena | CA | 1:54:38 | #302 |
| 2012 | Seattle Marathon: Summer EventsSeattle | WA | 2:02:22 | #2508 |
| 2012 | Mercer Island Rotary Half MarathonMercer Island | WA | 2:14:19 | #1443 |
| 2012 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:21:03 | #6786 |
| 2012 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 3:21:55 | #12677 |
| 2011 | Safari Park Half Marathon | — | 1:56:45 | #685 |
| 2011 | Rose Bowl Half MarathonPasadena | CA | 1:57:09 | #152 |
| 2011 | Seattle Marathon: Summer EventsSeattle | WA | 2:02:10 | #2258 |
| 2011 | Beer City Half San DiegoSan Diego | CA | 2:10:58 | #3488 |
| 2011 | Americas Finest City Half Marathon | — | 2:10:58 | #3491 |
| 2010 | Carlsbad MarathonCarlsbad | CA | 1:55:30 | #1680 |
| 2010 | Tri-City Medical Center Carlsbad Marathon | — | 1:55:30 | #1685 |
| 2007 | 2026 Humboldt Redwoods Marathon, Half Marathon, 5KWeott | CA | 1:44:30 | #166 |
| 2005 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 2:32:52 | #1487 |
| 2003 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:48:28 | #2321 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
12 racesWAWashington
7 racesTXTexas
7 racesHIHawaii
3 racesPAPennsylvania
1 raceCTConnecticut
1 raceUTUtah
1 raceNYNew York
1 race50-State Challenge
8/ 50 states
42 states to go