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JC
Jeffrey Chao
MaleCalifornia1998–2026
34
Total Finishes
20
Different Races
3
States (6%)
1:42:54
PR (7:51/mi)
2:06:45
Average
+0:30:16
Slower (first to last)
Medal House
2014
Rock 'n' Roll San Diego
1:45:02
#1244 overall#947 gender
2014
Beer City Half San Diego
2:06:58
#1833 overall#1200 gender
2014
America's Finest City Half Marathon
2:06:59
#1834 overall#1201 gender
2013
Safari Park Half Marathon
1:50:00
#221 overall#180 gender
2013
Temecula Half Marathon & 5K
2:17:54
#493 overall#237 gender
2013
Temecula Half Marathon, 10K, 5K
2:17:55
#492 overall#236 gender
2012
Beer City Half San Diego
1:57:01
#1169 overall#855 gender
2012
America's Finest City Half Marathon
1:57:01
#1169 overall#856 gender
2012
Santa Barbara Wine Country Half Marathon
2:00:15
#709 overall#372 gender
2011
Beer City Half San Diego
1:47:53
#971 overall#725 gender
2011
Americas Finest City Half Marathon
1:47:53
#971 overall#726 gender
1998
Kentucky Derby Festival Race Weekend
1:42:54
#1123 overall#1005 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 2:02:43 | #2508 |
| 2026 | Seattle Cherry Blossom RunSeattle | WA | 2:13:10 | #765 |
| 2024 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:02:30 | #1242 |
| 2024 | Beer City Half San DiegoSan Diego | CA | 2:03:40 | #1324 |
| 2024 | Temecula Half Marathon, 10K, 5KTemecula | CA | 2:31:40 | #299 |
| 2023 | Temecula Half Marathon, 10K, 5KTemecula | CA | 2:00:21 | #128 |
| 2023 | Run MalibuMalibu | CA | 2:07:13 | #1229 |
| 2019 | Carlsbad MarathonCarlsbad | CA | 2:40:17 | #3447 |
| 2018 | La Jolla Half Marathon, 10K, & 5KLa Jolla | CA | 1:51:08 | #421 |
| 2017 | La Jolla Half Marathon, 10K, & 5KLa Jolla | CA | 1:57:01 | #700 |
| 2016 | Carlsbad MarathonCarlsbad | CA | 1:58:16 | #1406 |
| 2016 | Temecula Half Marathon, 10K, 5KTemecula | CA | 2:02:45 | #128 |
| 2016 | La Jolla Half Marathon, 10K, & 5KLa Jolla | CA | 2:10:49 | #1898 |
| 2016 | Beer City Half San DiegoSan Diego | CA | 2:16:37 | #1972 |
| 2015 | La Jolla Half Marathon | — | 2:11:10 | #2258 |
| 2015 | Beer City Half San DiegoSan Diego | CA | 2:11:41 | #1844 |
| 2015 | La Jolla Half Marathon, 10K, & 5KLa Jolla | CA | 2:12:04 | #2318 |
| 2015 | Temecula Half Marathon, 10K, 5KTemecula | CA | 2:12:49 | #197 |
| 2015 | Temecula Half Marathon & 5K | — | 2:12:49 | #196 |
| 2015 | Carlsbad MarathonCarlsbad | CA | 2:28:10 | #4309 |
| 2015 | Carlsbad Marathon | — | 2:28:10 | #4309 |
| 2014 | Rock 'n' Roll San DiegoSan Diego | CA | 1:45:02 | #1244 |
| 2014 | Beer City Half San DiegoSan Diego | CA | 2:06:58 | #1833 |
| 2014 | America's Finest City Half Marathon | — | 2:06:59 | #1834 |
| 2014 | Temecula Half Marathon | — | 2:16:40 | #272 |
| 2013 | Safari Park Half Marathon | — | 1:50:00 | #221 |
| 2013 | Temecula Half Marathon & 5K | — | 2:17:54 | #493 |
| 2013 | Temecula Half Marathon, 10K, 5KTemecula | CA | 2:17:55 | #492 |
| 2012 | Beer City Half San DiegoSan Diego | CA | 1:57:01 | #1169 |
| 2012 | America's Finest City Half Marathon | — | 1:57:01 | #1169 |
| 2012 | Santa Barbara Wine Country Half MarathonSolvang | CA | 2:00:15 | #709 |
| 2011 | Beer City Half San DiegoSan Diego | CA | 1:47:53 | #971 |
| 2011 | Americas Finest City Half Marathon | — | 1:47:53 | #971 |
| 1998 | Kentucky Derby Festival Race WeekendLouisville | KY | 1:42:54 | #1123 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
23 racesKYKentucky
1 raceWAWashington
1 race50-State Challenge
3/ 50 states
47 states to go