HalfRuns
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Robert Yamashita

MaleCalifornia2012–2025

55

Total Finishes

29

Distinct Races

6

States (12%)

2:39:57

PR (12:13/mi)

3:17:47

Average

+0:16:47

Slower (first to last)

Medal House

2014

Berkeley Half Marathon

3:10:56
#3532 overall#1861 gender
2014

Rock 'n' Roll San Jose

3:18:08
#7721 overall#3967 gender
2014

Rock 'n' Roll San Diego

3:18:41
#15489 overall#6458 gender
2014

Rock 'n' Roll Half Marathon San Francisco

3:19:48
#8035 overall#3485 gender
2013

Rock 'n' Roll Half Marathon San Francisco

3:25:37
#5521 overall#2151 gender
2013

Berkeley Half Marathon

3:25:50
#4619 overall#2145 gender
2013

2026 Disneyland® Half Marathon Weekend presented by HONDA

3:35:18
#14098 overall#5463 gender
2012

The Giant Race

3:16:04
#3851 overall#1646 gender
2012

St. Jude Rock 'n' Roll Seattle

3:31:04
#13068 overall#4493 gender
2012

2025 500 Festival Running Events

3:34:11
#28113 overall#13513 gender
2011

St. Jude Rock 'n' Roll Seattle

3:29:31
#15745 overall#5141 gender
2011

Rock 'n' Roll Las Vegas

3:32:19
#31038 overall#11666 gender

Performance Timeline

PR 2:16:34201120112012201220122013201320132014201420142014201420142014201520152015201520152015201520162016201620162016201620162016201620162017201720172017201720172017201720182018201820182018201920192019201920192019201920192019201920192022202220222022202220232023202420242025

Complete Race Log

YearRaceStateTimePlace
2025Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA3:46:18#7076
2024Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA2:39:57#78
2024Mississippi Blues Marathon, Half, 10K & 5KJacksonMS3:46:34#414
2023Rock 'n' Roll San DiegoSan DiegoCA3:26:50#13252
2023Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA3:29:02#6012
2022Berkeley Half MarathonBerkeleyCA3:22:00#2084
2022Bay Bridge Half MarathonOaklandCA3:22:51#1007
2022Greater St. Louis MarathonSt. LouisMO3:27:14#2379
2022Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA3:37:52#2652
2022Rock 'n' Roll San DiegoSan DiegoCA3:54:27#10623
2019Bay Bridge Half MarathonOaklandCA2:52:17#1148
2019Wicked MarathonWamegoKS2:53:09#117
2019Life Time Chicago Half Marathon + 5KChicagoIL2:55:17#6851
2019Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA2:59:32#4226
2019St. Jude Rock 'n' Roll SeattleSeattleWA3:03:13#6170
2019The Giant RaceSan FranciscoCA3:09:16#1972
20192026 2XU Long Beach Marathon & Half MarathonLong BeachCA3:09:23#5980
2019Hapalua Hawaii's Half MarathonHonoluluHI3:10:06#5525
2019Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA3:19:41#5693
2019Oakland Running FestivalOaklandCA3:27:08#2543
2019Rock 'n' Roll Las VegasLas VegasNV3:33:06#15091
2018Rock 'n' Roll Los Angeles Half MarathonLos AngelesCA3:04:12#4231
2018Rock 'n' Roll Las VegasLas VegasNV3:09:24#13391
2018St. Jude Rock 'n' Roll SeattleSeattleWA3:11:36#7702
2018Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA3:18:56#4950
2018The Kauai Marathon and Half MarathonPoipu Beach, KauaiHI3:29:04#1303
2017Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacomaWA2:47:13#491
2017Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA2:52:29#5397
2017Rock 'n' Roll Los Angeles Half MarathonLos AngelesCA2:59:06#4802
2017Berkeley Half MarathonBerkeleyCA3:05:50#3939
2017Rock 'n' Roll San JoseSan JoseCA3:13:12#5944
2017The Kauai Marathon and Half MarathonPoipu Beach, KauaiHI3:17:04#1125
2017Santa Fe Thunder Half Marathon and 5KSanta FeNM3:18:58#685
2017Revel RockiesDenverCO4:02:53#1179
2016Berkeley Half MarathonBerkeleyCA2:43:46#3801
2016Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacomaWA2:47:02#800
2016Tinker Bell Half MarathonAnaheimCA3:01:32#1113
2016Surf City MarathonHuntington BeachCA3:02:17#9579
2016Marina Bay Running FestivalRichmondCA3:02:26#265
2016Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA3:03:42#5741
20162025 500 Festival Running EventsIndianapolisIN3:04:59#18703
2016Star Wars Half Marathon - The Dark SideLake Buena VistaFL3:12:34#12046
2016Maui Marathon and Half Marathon April 26, 2026LāhaināHI3:38:16#921
2016Rock 'n' Roll Las VegasLas VegasNV3:46:42#21216
20152026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA2:16:34#2760
2015Rock 'n' Roll Las VegasLas VegasNV2:55:43#16492
2015Berkeley Half MarathonBerkeleyCA2:57:36#3398
2015Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA3:00:09#5993
2015Rock 'n' Roll San JoseSan JoseCA3:11:42#7395
2015Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA3:22:54#3854
20152027 Walt Disney World® Marathon WeekendOrlandoFL3:32:52#20203
2014Berkeley Half MarathonBerkeleyCA3:10:56#3532
2014Rock 'n' Roll San JoseSan JoseCA3:18:08#7721
2014Rock 'n' Roll San DiegoSan DiegoCA3:18:41#15489
2014Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA3:19:48#8035
2014Rock 'n' Roll Arizona MarathonPhoenixAZ3:27:47#12324
2014Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA3:38:21#7136
2014Rock 'n' Roll Las VegasLas VegasNV3:47:39#24512
2013Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA3:25:37#5521
2013Berkeley Half MarathonBerkeleyCA3:25:50#4619
20132026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA3:35:18#14098
2012The Giant RaceSan FranciscoCA3:16:04#3851
2012St. Jude Rock 'n' Roll SeattleSeattleWA3:31:04#13068
20122025 500 Festival Running EventsIndianapolisIN3:34:11#28113
2011St. Jude Rock 'n' Roll SeattleSeattleWA3:29:31#15745
2011Rock 'n' Roll Las VegasLas VegasNV3:32:19#31038

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

CACalifornia
39 races
NVNevada
6 races
WAWashington
6 races
HIHawaii
4 races
INIndiana
2 races
COColorado
1 race

50-State Challenge

6/ 51 states + DC

45 states to go