HalfRuns
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David J Serrano

MaleCalifornia2005–2026

47

Total Finishes

23

Different Races

5

States (10%)

1:36:20

PR (7:21/mi)

2:14:19

Average

+0:34:34

Slower (first to last)

Medal House

2009

Rock 'n' Roll San Jose

1:43:32
#991 overall#826 gender
2009

2026 Disneyland® Half Marathon Weekend presented by HONDA

1:46:16
#580 overall#462 gender
2008

Kaiser Permanente San Francisco Half Marathon & 5K

1:48:22
#1072 overall#778 gender
2008

Rock 'n' Roll San Jose

1:55:15
#2265 overall#1661 gender
2008

OC Marathon - Half Marathon - 5K

3:17:46
#4557 overall#2411 gender
2007

Kaiser Permanente San Francisco Half Marathon & 5K

1:41:06
#834 overall#663 gender
2006

Rock 'n' Roll San Jose

1:32:50
#256 overall#228 gender
2006

2026 Disneyland® Half Marathon Weekend presented by HONDA

1:36:20
#173 overall#155 gender
2006

Kaiser Permanente San Francisco Half Marathon & 5K

1:37:56
#565 overall#436 gender
2006

The Unforgettable Staten Island Half Marathon!

2:28:55
#3367 overall#2123 gender
2006

Run SF "Golden Gate City" 5K/10K/13.1

2:58:48
#1854 overall#879 gender
2005

Run SF "Golden Gate City" 5K/10K/13.1

1:37:33
#117 overall#117 gender

Performance Timeline

PR 1:32:50200520062006200620062006200720082008200820092009200920102010201020112012201220122012201320132013201320132014201420142014201520152015201520152015201620162016201720172018201920192019201920192019202020212023202320242024202420242025202520252026

Complete Race Log

YearRaceStateTimePlace
2026Austin International HalfAustinTX2:12:07#2902
2025River Run Half MarathonBereaOH2:07:13#471
2025Holloman Ace of Races Marathon | Half Marathon | 5K | Kids DashAlamogordoNM3:09:11#124
2025Holloman Ace of RacesAlamogordoNM3:09:11#124
2024Rose Bowl Half MarathonPasadenaCA2:41:23#5930
2024Holloman Ace of Races Marathon | Half Marathon | 5K | Kids DashAlamogordoNM2:53:53#116
2024Holloman Ace of RacesAlamogordoNM2:53:53#116
2024Holiday Half and 5K - SundayPomonaCA3:43:34#3071
20232026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapaCA2:26:39#1241
2023Holiday Half Marathon and 5K - SundayPomonaCA3:33:31#2972
20212026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapaCA2:05:27#545
2020The Giant RaceSan FranciscoCA3:11:19#202
2019Pasadena Half Marathon & 5KPasadenaCA1:48:15#703
20192026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapaCA2:02:12#597
2019Bakersfield MarathonBakersfieldCA2:03:56#239
2019Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA2:15:45#2067
2019Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA2:25:21#2627
2019The Giant RaceSan FranciscoCA2:29:31#1436
2018Holiday Half Marathon & 5K Ugly Sweater RunPomonaCA1:50:30#176
2017The Giant RaceSan FranciscoCA3:08:02#2445
2017Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA3:14:28#6152
2016Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA1:50:27#771
2016Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:56:10#1426
2016Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA2:04:38#1754
2015Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:46:41#1150
2015Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA1:51:07#759
2015Rock 'n' Roll San JoseSan JoseCA1:53:12#1354
2015The Giant RaceSan FranciscoCA1:55:38#703
2015Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA1:57:41#1204
2015Monterey Bay Half MarathonMontereyCA1:59:50#1704
2014Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA1:50:58#926
2014Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA1:51:01#516
2014Rock 'n' Roll San JoseSan JoseCA1:52:21#1247
2014The Giant RaceSan FranciscoCA2:00:45#1207
2013Rock 'n' Roll San JoseSan JoseCA1:43:28#816
2013The Giant RaceSan FranciscoCA1:45:57#557
2013Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA1:48:31#482
2013Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:48:58#1534
2013Santa Cruz Half MarathonSanta CruzCA1:51:46#485
2012Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:39:00#705
2012Rock 'n' Roll San JoseSan JoseCA1:41:22#674
2012Santa Cruz Half MarathonSanta CruzCA1:53:01#583
2012Rock 'n' Roll Arizona MarathonPhoenixAZ2:12:51#6430
2011Rock 'n' Roll San JoseSan JoseCA1:44:49#1001
2010Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:36:39#540
20102026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA1:40:04#305
2010Rock 'n' Roll San JoseSan JoseCA1:41:12#683
2009Rock 'n' Roll San JoseSan JoseCA1:43:32#991
20092026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA1:46:16#580
20092027 Walt Disney World® Marathon WeekendOrlandoFL1:57:24#1638
2008Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:48:22#1072
2008Rock 'n' Roll San JoseSan JoseCA1:55:15#2265
2008OC Marathon - Half Marathon - 5KNewport BeachCA3:17:46#4557
2007Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:41:06#834
2006Rock 'n' Roll San JoseSan JoseCA1:32:50#256
20062026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA1:36:20#173
2006Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:37:56#565
2006The Unforgettable Staten Island Half Marathon!Staten IslandNY2:28:55#3367
2006Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA2:58:48#1854
2005Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA1:37:33#117

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

CACalifornia
51 races
NMNew Mexico
4 races
NYNew York
1 race
OHOhio
1 race
TXTexas
1 race

50-State Challenge

5/ 51 states + DC

46 states to go