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JK
Jeffrey Ku
MaleCalifornia2008–2026
19
Total Finishes
9
Different Races
1
States (2%)
1:21:41
PR (6:14/mi)
1:26:25
Average
+0:08:10
Slower (first to last)
Medal House
2015
Rock 'n' Roll San Diego
1:21:43
#121 overall#100 gender
2015
Surf City Marathon
1:22:31
#50 overall#44 gender
2015
Rose Bowl Half Marathon
1:25:17
#4 overall#4 gender
2014
Surf City Marathon
1:23:45
#65 overall#57 gender
2014
OC Marathon - Half Marathon - 5K
1:24:39
#32 overall#30 gender
2014
Rose Bowl Half Marathon
1:28:27
#10 overall#10 gender
2013
Rose Bowl Half Marathon
1:23:54
#2 overall#2 gender
2013
Holiday Half Marathon & 5K Ugly Sweater Run
1:24:36
#21 overall#17 gender
2011
Pasadena Half Marathon & 5K
1:21:41
#12 overall#12 gender
2011
Rock 'n' Roll Las Vegas
1:26:05
#200 overall#165 gender
2009
Pasadena Half Marathon & 5K
1:24:05
#22 overall#22 gender
2008
2026 2XU Long Beach Marathon & Half Marathon
1:24:24
#69 overall#64 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Rose Bowl Half MarathonPasadena | CA | 1:32:34 | #307 |
| 2024 | Rose Bowl Half MarathonPasadena | CA | 1:29:13 | #141 |
| 2022 | Rose Bowl Half MarathonPasadena | CA | 1:24:22 | #31 |
| 2019 | Pasadena Half Marathon & 5KPasadena | CA | 1:32:50 | #134 |
| 2018 | Beer City Half™ Santa RosaSanta Rosa | CA | 1:32:43 | #49 |
| 2018 | Pasadena Half Marathon & 5KPasadena | CA | 1:36:39 | #204 |
| 2017 | Pasadena Half Marathon & 5KPasadena | CA | 1:36:19 | #103 |
| 2016 | Surf City MarathonHuntington Beach | CA | 1:22:28 | #27 |
| 2015 | Rock 'n' Roll San DiegoSan Diego | CA | 1:21:43 | #121 |
| 2015 | Surf City MarathonHuntington Beach | CA | 1:22:31 | #50 |
| 2015 | Rose Bowl Half MarathonPasadena | CA | 1:25:17 | #4 |
| 2014 | Surf City MarathonHuntington Beach | CA | 1:23:45 | #65 |
| 2014 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 1:24:39 | #32 |
| 2014 | Rose Bowl Half MarathonPasadena | CA | 1:28:27 | #10 |
| 2013 | Rose Bowl Half MarathonPasadena | CA | 1:23:54 | #2 |
| 2013 | Holiday Half Marathon & 5K Ugly Sweater RunPomona | CA | 1:24:36 | #21 |
| 2011 | Pasadena Half Marathon & 5KPasadena | CA | 1:21:41 | #12 |
| 2011 | Rock 'n' Roll Las VegasLas Vegas | NV | 1:26:05 | #200 |
| 2009 | Pasadena Half Marathon & 5KPasadena | CA | 1:24:05 | #22 |
| 2008 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 1:24:24 | #69 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
19 races50-State Challenge
1/ 51 states + DC
50 states to go