HalfRuns
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Thomas Williamson

MaleColorado1999–2025

48

Total Finishes

38

Different Races

17

States (34%)

1:32:58

PR (7:06/mi)

2:12:07

Average

+0:40:45

Slower (first to last)

Medal House

2011

Charlotte Marathon, Half, and 5K

1:51:06
#581 overall#419 gender
2010

Cowtown Marathon, Half Marathon and Ultra Marathon

1:45:46
#454 overall#367 gender
2010

Rock 'n' Roll Nashville

2:48:35
#17597 overall#7258 gender
2010

Outer Banks Marathon

3:14:51
#3434 overall#1298 gender
2009

Avenue of the Giants Marathon

1:34:11
#27 overall#20 gender
2009

Dallas Marathon Weekend

1:39:32
#432 overall#355 gender
2008

Oklahoma City Memorial Marathon

1:32:58
#61 overall#54 gender
2008

Outer Banks Marathon

3:09:46
#2400 overall#942 gender
2007

Rock 'n' Roll Nashville

2:34:22
#12075 overall#5585 gender
2007

Outer Banks Marathon

3:22:26
#1983 overall#826 gender
2005

Greater St. Louis Marathon

2:34:28
#3287 overall#1532 gender
1999

3M Half Marathon

1:47:15
#524 overall#399 gender

Performance Timeline

PR 1:32:5819992005200720072008200820092009201020102010201120122013201320132013201320142015201520162016201620172017201720172017201820182018201920192019201920202020202120212023202320232024202420242025

Complete Race Log

YearRaceStateTimePlace
2025Amelia Island Half MarathonAmelia IslandFL2:28:00#558
2024Mighty Niagara Half Marathon & Hospice Dash 5KYoungstownNY1:40:19#81
2024Mighty Niagara Half Marathon & Hospice Dash 5K—1:40:19#84
2024Dallas Marathon WeekendDallasTX1:54:25#1406
2023Dallas Marathon WeekendDallasTX1:41:51#660
2023BMW Dallas MarathonDallasTX1:41:51#659
2023United Airlines NYC HalfNew YorkNY2:06:45#13003
2021Georgetown to Idaho Springs Half MarathonUnknownCO2:23:44#505
2021Georgetown to Idaho Springs Half Marathon—2:23:44#505
2020Run The ReaganSnellvilleGA2:32:21#104
2020Run the Reagan 2026SnellvilleGA2:32:22#103
2019Richmond MarathonRichmondVA1:43:45#255
2019Revel RockiesDenverCO1:58:24#336
2019Five Points Of LifeGainesvilleFL2:07:44#219
2019Three Creeks Half MarathonEnglewoodCO2:10:35#183
2018HBF Run for a ReasonPerthWA2:09:20#2135
2018Kaiser Permanente Colfax MarathonDenverCO2:16:59#2543
2018Denver Half Marathon and 10KDenverCO2:23:29#54
2017Revel RockiesDenverCO1:52:34#241
2017Hatfield OctoHalf MarathonHatfieldPA2:17:57#146
2017Gasparilla Distance Classic Race WeekendTampaFL2:23:40#3114
2017Rock 'n' Roll NashvilleNashvilleTN2:28:21#6540
2017Breck Crest Mountain MarathonBreckenridgeCO2:53:25#42
2016Denver Half Marathon and 10KDenverCO1:36:01#15
2016That DamDenverCO1:56:24#130
2016Pikes Peak AscentManitou SpringsCO4:21:04#628
2015Fool's Dual Half Marathon Challenge—1:46:13#55
2015Tom Walker Half Marathon & 5kGainesvilleFL1:53:21#49
2014Navy Air Force Half Marathon & Navy 5-MilerWashingtonDC2:29:32#3060
2013Cowtown Marathon, Half Marathon and Ultra MarathonFort WorthTX1:42:23#438
2013Rock 'n' Roll Arizona MarathonPhoenixAZ1:46:11#1198
2013Reno 5000 5k SeriesRenoNV1:50:15#42
2013Rock ‘n' Roll Washington DCWashingtonDC2:24:05#13566
2013Baltimore Running FestivalBaltimoreMD2:29:04#6777
2012Tom Walker Half Marathon & 5kGainesvilleFL1:49:45#71
2011Charlotte Marathon, Half, and 5KCharlotteNC1:51:06#581
2010Cowtown Marathon, Half Marathon and Ultra MarathonFort WorthTX1:45:46#454
2010Rock 'n' Roll NashvilleNashvilleTN2:48:35#17597
2010Outer Banks MarathonManteoNC3:14:51#3434
2009Avenue of the Giants MarathonArcataCA1:34:11#27
2009Dallas Marathon WeekendDallasTX1:39:32#432
2008Oklahoma City Memorial MarathonOklahoma CityOK1:32:58#61
2008Outer Banks MarathonManteoNC3:09:46#2400
2007Rock 'n' Roll NashvilleNashvilleTN2:34:22#12075
2007Outer Banks MarathonManteoNC3:22:26#1983
2005Greater St. Louis MarathonSt. LouisMO2:34:28#3287
19993M Half MarathonAustinTX1:47:15#524

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

COColorado
10 races
TXTexas
7 races
FLFlorida
5 races
NCNorth Carolina
4 races
TNTennessee
3 races
DCDistrict of Columbia
2 races
GAGeorgia
2 races
NYNew York
2 races
MOMissouri
1 race
OKOklahoma
1 race
CACalifornia
1 race
AZArizona
1 race
NVNevada
1 race
MDMaryland
1 race
PAPennsylvania
1 race
WAWashington
1 race
VAVirginia
1 race

50-State Challenge

17/ 50 states

33 states to go