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WC
William Cox
MaleColorado1991–2026
125
Total Finishes
84
Distinct Races
29
States (57%)
1:21:16
PR (6:12/mi)
2:30:29
Average
-1:42:39
Faster (first to last)
Medal House
2008
3M Half Marathon
2:04:45
#1540 overall#1540 gender
2007
2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by Colavita
2:04:25
#920 overall#570 gender
2006
Rock 'n' Roll Virgina Beach Half Marathon
1:34:36
#394 overall#333 gender
2006
UTHealth Houston Half Marathon & 10K
2:00:16
#942 overall#684 gender
2004
Rock 'n' Roll New Orleans
2:23:24
#1250 overall#746 gender
2003
Mercedes Benz Marathon and Half Marathon
3:51:36
#1584 overall#800 gender
2003
Pikes Peak Ascent
5:21:16
#1298 overall#934 gender
1999
Rock 'n' Roll New Orleans
2:12:02
#635 overall#452 gender
1997
Pikes Peak Ascent
4:25:17
#709 overall#556 gender
1996
Pikes Peak Ascent
4:05:54
#578 overall#480 gender
1995
Pikes Peak Ascent
4:24:41
#852 overall#651 gender
1991
Pikes Peak Ascent
4:05:47
#725 overall#628 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Charleston Half MarathonCharleston | SC | 2:23:08 | #3110 |
| 2025 | Philadelphia MarathonPhiladelphia | PA | 1:57:17 | #3367 |
| 2025 | Mistletoe RunWinston Salem | NC | 2:03:08 | #409 |
| 2025 | Governor's CupHelena | MT | 2:31:45 | #191 |
| 2025 | Governor's CupHelena | MT | 2:31:46 | #191 |
| 2025 | Newburyport Half Marathon and RelayNewburyport | MA | 2:32:25 | #1283 |
| 2025 | Happy Holidays Half MerryThon & 5K RaceGloucester | MA | 2:34:18 | #321 |
| 2025 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 2:41:14 | #4014 |
| 2025 | Pikes Peak AscentManitou Springs | CO | 6:00:09 | #1443 |
| 2025 | Catherine Creek ClassicUnion | OR | 9:19:58 | #62 |
| 2024 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 1:44:37 | #687 |
| 2024 | Governor's CupHelena | MT | 2:26:27 | #188 |
| 2024 | Governor's CupHelena | MT | 2:26:28 | #188 |
| 2024 | Shawnee Trail RunsWest Portsmouth | OH | 2:51:08 | #21 |
| 2024 | Pikes Peak AscentManitou Springs | CO | 6:18:53 | #1449 |
| 2023 | Idaho Falls MarathonIdaho Falls | ID | 2:21:16 | #81 |
| 2023 | Governor's CupHelena | MT | 2:24:19 | #126 |
| 2023 | Governor's CupHelena | MT | 2:24:20 | #126 |
| 2023 | B.A.A. Half MarathonBoston | MA | 2:27:54 | #4974 |
| 2022 | Shipyard Old Port Half MarathonPortland | ME | 1:38:38 | #165 |
| 2022 | Idaho Falls MarathonIdaho Falls | ID | 2:19:29 | #88 |
| 2022 | Horseneck Half & 3.5 MilerWestport | MA | 2:43:53 | #530 |
| 2021 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:30:41 | #173 |
| 2021 | Westy Half & 5kWestminster | CO | 2:19:56 | #68 |
| 2021 | Westminster Half Marathon & 5KWestminster | CO | 2:19:56 | #68 |
| 2021 | Fall EquinoxFort Collins | CO | 2:23:10 | #429 |
| 2020 | SEASIDE SCHOOL™ Half Marathon + 5KSeaside | FL | 2:13:47 | #715 |
| 2020 | Seaside Half-Marathon and 5KSeaside | FL | 2:13:47 | #715 |
| 2020 | Charleston Half MarathonCharleston | SC | 2:25:03 | #1336 |
| 2019 | Mad MarathonWaitsfield | VT | 1:27:03 | #1 |
| 2019 | United Airlines NYC HalfNew York | NY | 1:29:10 | #979 |
| 2019 | Covenant Health Knoxville Marathon, Half Marathon, Relays, 5k and Kids RunKnoxville | TN | 1:29:53 | #36 |
| 2019 | Kaiser Permanente Colfax MarathonDenver | CO | 2:01:05 | #1373 |
| 2019 | Eddie Ferrell St. Patrick's Music City Half Marathon, 10K & 5KNashville | TN | 2:02:59 | #173 |
| 2019 | Westy Half & 5kWestminster | CO | 2:05:30 | #45 |
| 2019 | Westminster Half Marathon & 5KWestminster | CO | 2:05:31 | #45 |
| 2019 | Broomfield Trails MarathonBroomfield | CO | 2:05:36 | #71 |
| 2019 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:07:49 | #1756 |
| 2019 | Chattanooga MarathonChattanoga | TN | 2:16:29 | #623 |
| 2019 | Franconia Notch Half MarathonFranconia | NH | 2:18:11 | #125 |
| 2019 | Erie Half & 5kErie | CO | 2:21:30 | #65 |
| 2019 | Historic Georgetown Bridge 2 Bridge RunGeorgetown | SC | 2:23:22 | #84 |
| 2018 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 1:58:11 | #1735 |
| 2018 | Broomfield Trails MarathonBroomfield | CO | 2:04:47 | #71 |
| 2018 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:05:01 | #1601 |
| 2018 | Chattanooga MarathonChattanoga | TN | 2:05:45 | #518 |
| 2018 | Westy Half & 5kWestminster | CO | 2:06:06 | #50 |
| 2018 | Westminster Half Marathon & 5KWestminster | CO | 2:06:07 | #50 |
| 2018 | Kaiser Permanente Colfax MarathonDenver | CO | 2:08:26 | #1936 |
| 2018 | JENKS HALF MARATHON & 5KJENKS | OK | 2:18:37 | #154 |
| 2018 | Franconia Notch Half MarathonFranconia | NH | 2:31:50 | #137 |
| 2018 | St. Jude Memphis Marathon WeekendMemphis | TN | 2:36:27 | #4557 |
| 2018 | Lane Purser Memorial Road Race SeriesMemphis | TN | 2:44:27 | #420 |
| 2018 | Hotter Than Hades Tribbett Half MarathonLeland | MS | 2:46:34 | #74 |
| 2018 | Tupelo Marathon and Half MarathonTupelo | MS | 2:50:51 | #211 |
| 2018 | Hickam Half MarathonHonolulu | HI | 2:59:38 | #430 |
| 2018 | Urban Bourbon Half Marathon and 5KLouisville | KY | 3:16:32 | #3121 |
| 2017 | Capital City Half MarathonColumbus | OH | 1:28:22 | #157 |
| 2017 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 1:58:41 | #1249 |
| 2017 | Rock 'n' Roll Savannah Marathon & 1/2 MarathonSavannah | GA | 1:59:51 | #1299 |
| 2017 | Critz Tybee Run FestSavannah | GA | 2:01:26 | #200 |
| 2017 | Kaiser Permanente Colfax MarathonDenver | CO | 2:06:00 | #1535 |
| 2017 | St. Jude Memphis Marathon WeekendMemphis | TN | 2:35:25 | #5596 |
| 2017 | American Discovery Trail MarathonColorado Springs | CO | 2:40:33 | #257 |
| 2016 | Santa Barbara Wine Country Half MarathonSolvang | CA | 1:58:19 | #402 |
| 2016 | Pensacola MarathonPensacola | FL | 1:59:37 | #186 |
| 2016 | Sprouts Mesa - Phoenix MarathonMesa | AZ | 2:02:22 | #1427 |
| 2016 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:02:58 | #1869 |
| 2016 | Rock 'n' Roll Savannah Marathon & 1/2 MarathonSavannah | GA | 2:03:17 | #2043 |
| 2016 | SEASIDE SCHOOL™ Half Marathon + 5KSeaside | FL | 2:05:44 | #796 |
| 2016 | Seaside Half-Marathon and 5KSeaside | FL | 2:05:45 | #796 |
| 2016 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 2:06:22 | #3416 |
| 2016 | Mesa Falls MarathonAshton | ID | 2:08:45 | #97 |
| 2016 | DONNA Marathon WeekendJacksonville Beach | FL | 2:52:56 | #2233 |
| 2016 | Outer Banks MarathonManteo | NC | 3:10:21 | #1744 |
| 2015 | Spinx Run FestGreenville | SC | 1:47:10 | #161 |
| 2015 | Seaside Half-Marathon and 5KSeaside | FL | 2:07:02 | #907 |
| 2015 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:12:19 | #3601 |
| 2015 | Rock 'n' Roll Savannah Marathon & 1/2 MarathonSavannah | GA | 2:25:56 | #4566 |
| 2015 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 2:36:06 | #4860 |
| 2015 | Eau Claire MarathonEau Claire | WI | 2:57:48 | #1266 |
| 2015 | AF Canyon Half Marathon, 10K & 5KAmerican Fork | UT | 3:04:21 | #2184 |
| 2014 | 2026 Disneyland® Half Marathon Weekend presented by HONDAAnaheim | CA | 1:49:55 | #581 |
| 2014 | The Giant RaceSan Francisco | CA | 1:54:59 | #858 |
| 2014 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 2:27:54 | #5997 |
| 2014 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:43:05 | #6735 |
| 2014 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:51:31 | #11783 |
| 2013 | Ashland Half Marathon & 5kAshland | VA | 1:47:49 | #276 |
| 2013 | Run the BluegrassLexington | KY | 1:56:33 | #595 |
| 2013 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 1:59:08 | #1081 |
| 2013 | Wounded Warrior Half Marathon & 10KIrving | TX | 2:03:14 | #559 |
| 2013 | Race For Women's WellnessCoral Springs | FL | 2:14:03 | #259 |
| 2013 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:46:33 | #11417 |
| 2013 | AF Canyon Half Marathon, 10K & 5KAmerican Fork | UT | 3:23:33 | #1857 |
| 2012 | Heart Mini MarathonCincinnati | OH | 1:46:59 | #368 |
| 2012 | 2025 Marine Corps Half Marathon presented by FirstLight Home Care & Capital Automotive GroupCamp Lejeune | NC | 1:49:26 | #126 |
| 2012 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 1:55:42 | #818 |
| 2012 | New Years DoubleAllen | TX | 2:12:11 | #183 |
| 2012 | Valpo Half Marathon and 5KValparaiso | IN | 2:14:22 | #437 |
| 2012 | Dallas Marathon WeekendDallas | TX | 2:19:39 | #4521 |
| 2012 | 13.1 Fort LauderdaleFort Lauderdale | FL | 2:32:27 | #1348 |
| 2012 | Pensacola MarathonPensacola | FL | 2:46:55 | #909 |
| 2012 | AF Canyon Half Marathon, 10K & 5KAmerican Fork | UT | 2:47:07 | #1078 |
| 2012 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:48:32 | #11771 |
| 2012 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 3:01:22 | #13357 |
| 2012 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 3:03:07 | #1608 |
| 2012 | Runtastic HAUNTED ProvoProvo | UT | 3:03:54 | #2059 |
| 2012 | Outer Banks MarathonManteo | NC | 3:09:51 | #2320 |
| 2011 | Seaside Half-Marathon and 5KSeaside | FL | 1:51:47 | #392 |
| 2011 | Heart Mini MarathonCincinnati | OH | 1:52:04 | #590 |
| 2011 | Jersey Shore Half Marathon and 2 Mile RunHighlands | NJ | 1:52:53 | #263 |
| 2011 | Teton Dam MarathonRexburg | ID | 2:02:15 | #112 |
| 2011 | YMCA Maple Leaf Road RacesLa Crosse | WI | 2:07:36 | #519 |
| 2011 | Eau Claire MarathonEau Claire | WI | 2:14:23 | #691 |
| 2011 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:54:29 | #8547 |
| 2011 | Shamrock MarathonVirginia Beach | VA | 2:58:24 | #6034 |
| 2011 | Runtastic HAUNTED ProvoProvo | UT | 3:13:15 | #3442 |
| 2010 | Rock 'n' Roll Washington DCWashington | DC | 1:21:16 | #66 |
| 2010 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:23:44 | #211 |
| 2010 | Kenner's Ole Man River Half MarathonKenner | LA | 1:55:23 | #262 |
| 2010 | Seaside Half-Marathon and 5KSeaside | FL | 2:00:23 | #654 |
| 2010 | 3M Half MarathonAustin | TX | 2:02:04 | #1941 |
| 2010 | YMCA Maple Leaf Road RacesLa Crosse | WI | 2:02:59 | #462 |
| 2010 | Rock 'n' Roll San DiegoSan Diego | CA | 2:05:06 | #3015 |
| 2010 | Huntsville Half MarathonHuntsville | AL | 2:05:16 | #397 |
| 2010 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 2:05:19 | #2565 |
| 2010 | Publix Atlanta Marathon, Half Marathon & 5KAtlanta | GA | 2:06:40 | #4116 |
| 2010 | Shamrock MarathonVirginia Beach | VA | 2:40:39 | #5078 |
| 2010 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:44:33 | #11211 |
| 2010 | Outer Banks MarathonManteo | NC | 3:05:25 | #3325 |
| 2009 | Havasu Half Marathon & 5KLake Havasu City | AZ | 1:40:37 | #32 |
| 2009 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 1:44:23 | #1134 |
| 2009 | 2026 Disneyland® Half Marathon Weekend presented by HONDAAnaheim | CA | 1:45:21 | #522 |
| 2009 | The Runners Den Scottsdale 1/2 Marathon & 5KScottsdale | AZ | 1:46:30 | #202 |
| 2009 | 3M Half MarathonAustin | TX | 1:58:19 | #1859 |
| 2009 | Life Time Miami Marathon & HalfMiami | FL | 2:04:27 | #3162 |
| 2009 | Dallas Marathon WeekendDallas | TX | 2:10:23 | #3768 |
| 2009 | Decker Challenge and Brown Santa 5KAustin | TX | 2:21:40 | #657 |
| 2009 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:50:35 | #12366 |
| 2009 | Pikes Peak AscentManitou Springs | CO | 4:27:15 | #922 |
| 2008 | 3M Half MarathonAustin | TX | 2:04:45 | #1540 |
| 2008 | Historic Half Training (sponsored by FARC)Fredericksburg | VA | 2:12:42 | #2030 |
| 2007 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 2:04:25 | #920 |
| 2006 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 1:34:36 | #394 |
| 2006 | UTHealth Houston Half Marathon & 10KHouston | TX | 2:00:16 | #942 |
| 2004 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:23:24 | #1250 |
| 2003 | Mercedes Benz Marathon and Half MarathonBirmingham | AL | 3:51:36 | #1584 |
| 2003 | Pikes Peak AscentManitou Springs | CO | 5:21:16 | #1298 |
| 1999 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:12:02 | #635 |
| 1997 | Pikes Peak AscentManitou Springs | CO | 4:25:17 | #709 |
| 1996 | Pikes Peak AscentManitou Springs | CO | 4:05:54 | #578 |
| 1995 | Pikes Peak AscentManitou Springs | CO | 4:24:41 | #852 |
| 1991 | Pikes Peak AscentManitou Springs | CO | 4:05:47 | #725 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
COColorado
28 racesFLFlorida
16 racesTXTexas
11 racesCACalifornia
8 racesTNTennessee
7 racesVAVirginia
7 racesAZArizona
6 racesGAGeorgia
5 racesNCNorth Carolina
5 racesOHOhio
5 racesUTUtah
5 racesIDIdaho
4 racesILIllinois
4 racesLALouisiana
4 racesMAMassachusetts
4 racesSCSouth Carolina
4 racesWIWisconsin
4 racesALAlabama
2 racesKYKentucky
2 racesMSMississippi
2 racesNHNew Hampshire
2 racesNYNew York
2 racesPAPennsylvania
2 racesHIHawaii
1 raceINIndiana
1 raceNJNew Jersey
1 raceOKOklahoma
1 raceOROregon
1 raceDEDelaware
0 races50-State Challenge
29/ 51 states + DC
22 states to go