HalfRuns
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Jeff Knowles

MaleNevada2004–2026

41

Total Finishes

36

Different Races

6

States (12%)

1:55:25

PR (8:49/mi)

2:25:35

Average

+0:20:49

Slower (first to last)

Medal House

2011

Walnut Creek Running Festival

2:12:56
#707 overall#387 gender
2009

Santa Cruz Half Marathon

2:49:36
#2363 overall#998 gender
2008

2027 Walt Disney World® Marathon Weekend

2:10:34
#2806 overall#1747 gender
2008

Urban Cow Half Marathon

2:24:08
#1521 overall#743 gender
2008

Laguna Hills Memorial Day Half Marathon, 5K & 10K

2:29:25
#1044 overall#566 gender
2008

Lake Tahoe Marathon Weekend

2:52:32
#479 overall#209 gender
2007

Surf City Marathon

1:55:25
#1763 overall#1207 gender
2007

Rock 'n' Roll Virgina Beach Half Marathon

2:08:54
#6391 overall#3987 gender
2007

Rock n Roll Nashville

2:08:59
#6209 overall#3572 gender
2006

2026 Disneyland® Half Marathon Weekend presented by HONDA

1:56:17
#1065 overall#758 gender
2006

Rock 'n' Roll San Jose

2:19:32
#4682 overall#2563 gender
2004

Kentucky Derby Festival Race Weekend

2:02:22
#2486 overall#1795 gender

Performance Timeline

PR 1:55:25200420062006200720072007200820082008200820092011201120112011201120122012201320132013201520152015201520152015201520152015201520152015201520152015201520152015201520152015201520152015201520232026

Complete Race Log

YearRaceStateTimePlace
2026REVEL Mt CharlestonLas VegasNV2:23:11#806
2023Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA2:05:33#1275
2015Beachside Half MarathonVero BeachFL2:07:17#90
2015Holly Jolly MarathonCamarilloCA2:16:08#87
2015Walnut Creek Running FestivalWalnut CreekCA2:19:42#696
2015Urban Cow Half MarathonSacramentoCA2:21:37#1600
2015Heavenly Half MarathonAuberryCA2:22:41#586
20152026 Avenue of the Giants MarathonArcataCA2:23:48#715
2015Rock 'n' Roll San JoseSan JoseCA2:23:54#4536
2015Ojai Half Marathon 5k &10kOjaiCA2:24:49#150
2015Marina Bay Running FestivalRichmondCA2:25:31#215
2015Berkeley Half MarathonBerkeleyCA2:26:13#2686
2015Livermore Half MarathonLivermoreCA2:27:56#1848
2015Simi Valley Arroyo Creek Half Marathon, 10k/5kSimi ValleyCA2:28:36#249
2015Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA2:28:51#4615
2015Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenverCO2:29:19#5509
2015Seaside MarathonVenturaCA2:29:21#380
2015Rock 'n' Roll San DiegoSan DiegoCA2:29:30#8672
2015Rock 'n' Roll Arizona MarathonPhoenixAZ2:32:47#7136
2015St. Jude Rock 'n' Roll SeattleSeattleWA2:32:55#7128
2015Camarillo MarathonCamarilloCA2:34:08#201
2015Lexus Lace Up Running SeriesRancho Palos VerdesCA2:35:52#308
2015Run RocklinRocklinCA2:36:53#271
2015Shoreline MarathonVenturaCA2:38:15#464
2015Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA2:38:19#3856
2015Rock 'n' Roll Las VegasLas VegasNV2:39:16#12978
2015Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA2:43:26#5211
2013Berkeley Half MarathonBerkeleyCA2:32:31#3883
2013Lexus Lace Up Running SeriesRancho Palos VerdesCA2:44:44#493
2013Reno 5000 5k SeriesRenoNV2:56:52#174
2012Rock 'n' Roll Las VegasLas VegasNV2:34:44#12381
2012Tinker Bell Half MarathonAnaheimCA2:36:28#3791
2011Walnut Creek Running FestivalWalnut CreekCA2:12:56#707
2011Healdsburg Half MarathonHealdsburgCA2:17:42#565
2011The Giant RaceSan FranciscoCA2:18:05#1509
2011Davis MoonLight RunDavisCA2:30:39#784
2011Clo Cow Half MarathonPetalumaCA2:32:50#390
2009Santa Cruz Half MarathonSanta CruzCA2:49:36#2363
20082027 Walt Disney World® Marathon WeekendOrlandoFL2:10:34#2806
2008Urban Cow Half MarathonSacramentoCA2:24:08#1521
2008Laguna Hills Memorial Day Half Marathon, 5K & 10KLaguna HillsCA2:29:25#1044
2008Lake Tahoe Marathon WeekendSouth Lake TahoeCA2:52:32#479
2007Surf City MarathonHuntington BeachCA1:55:25#1763
2007Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:08:54#6391
2007Rock n Roll NashvilleNashvilleTN2:08:59#6209
20062026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA1:56:17#1065
2006Rock 'n' Roll San JoseSan JoseCA2:19:32#4682
2004Kentucky Derby Festival Race WeekendLouisvilleKY2:02:22#2486

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

CACalifornia
36 races
NVNevada
4 races
FLFlorida
2 races
KYKentucky
1 race
TNTennessee
1 race
AKAlaska
0 races

50-State Challenge

6/ 51 states + DC

45 states to go