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TH
Tamzin Howerton
FemaleDistrict of Columbia2013–2025
46
Total Finishes
33
Different Races
7
States (14%)
2:23:55
PR (10:59/mi)
2:59:17
Average
+1:07:43
Slower (first to last)
Medal House
2016
Kentucky Derby Festival Race Weekend
2:23:55
#5692 overall#2731 gender
2016
Rock 'n' Roll Washington DC
2:28:13
#10097 overall#5503 gender
2016
Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8k
2:30:25
#5555 overall
2015
Philadelphia Marathon
2:17:47
#6953 overall#3773 gender
2015
Virginia Wine Country Half Marathon 2026
2:24:43
#1070 overall#635 gender
2015
Baltimore Running Festival
2:28:35
#5206 overall#2744 gender
2015
Tobacco Road Marathon
2:30:27
#1719 overall#920 gender
2014
Divas Half Marathon
2:28:28
#905 overall#891 gender
2014
Monterey Bay Half Marathon
2:30:24
#4828 overall#2896 gender
2014
Annapolis Running Classic
2:42:54
#2188 overall#1224 gender
2014
2026 Disney Wine & Dine Half Marathon Weekend
3:03:44
#7472 overall#4531 gender
2013
Annapolis Running Classic
2:32:16
#1927 overall#1064 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Rock 'n' Roll Las VegasLas Vegas | NV | 3:39:59 | #11531 |
| 2024 | Key West Half Marathon & 5K, 8K, 10K, Rum Stroll & Beer MileKey West | FL | 3:27:15 | #1663 |
| 2024 | Disneyland® Halloween Half Marathon Weekend 2025Anaheim | CA | 3:39:31 | #9345 |
| 2023 | 2026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapa | CA | 3:22:31 | #2058 |
| 2023 | Run MalibuMalibu | CA | 3:25:27 | #2666 |
| 2023 | 2026 - San Antonio MarathonSan Antonio | TX | 3:28:24 | #7338 |
| 2022 | SOCAL River Marathon - 26.2 - 13.1 - 10K - 5KHuntington Beach | CA | 3:28:32 | #281 |
| 2022 | Estes Park MarathonEstes Park | CO | 3:33:02 | #311 |
| 2022 | Delaware Running FestivalWilmington | DE | 3:40:33 | #706 |
| 2021 | Greenbrier Half MarathonWhite Sulphur Springs | WV | 3:08:08 | #291 |
| 2021 | Race to the Cave Half MarathonWoodville | AL | 3:09:14 | #503 |
| 2021 | Tache Realty Wicked Half MarathonSalem | MA | 3:17:10 | #422 |
| 2021 | Zion Half MarathonSpringdale | UT | 3:39:13 | #941 |
| 2020 | Charleston Half MarathonCharleston | SC | 2:52:35 | #2004 |
| 2020 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 3:09:01 | #1193 |
| 2019 | Sunrise Marathon 5K/10K/13.1 KANSAS CITYKansas City | MO | 2:34:59 | #3141 |
| 2019 | Monterey Bay Half MarathonMonterey | CA | 2:42:06 | #5227 |
| 2019 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 2:47:14 | #7037 |
| 2019 | Virginia Wine Country Half Marathon 2026Hillsboro | VA | 2:50:34 | #743 |
| 2019 | Key West Half Marathon & 5K, 8K, 10K, Rum Stroll & Beer MileKey West | FL | 2:54:34 | #1671 |
| 2019 | Flying Pig Pump and RunCincinnati | OH | 3:02:43 | #9262 |
| 2019 | PRESALE 2027 AmeriHealth New Jersey April Fools Half Marathon & 8KAtlantic City | NJ | 3:02:53 | #828 |
| 2018 | PRESALE 2027 AmeriHealth New Jersey April Fools Half Marathon & 8KAtlantic City | NJ | 2:50:15 | #706 |
| 2018 | Hershey Half MarathonHershey | PA | 2:52:47 | #3070 |
| 2018 | Tobacco Road MarathonCary | NC | 2:54:30 | #1878 |
| 2018 | Santa Barbara Wine Country Half MarathonSolvang | CA | 3:03:48 | #1478 |
| 2018 | Virginia Wine Country Half Marathon 2026Hillsboro | VA | 3:25:15 | #910 |
| 2017 | Publix Savannah Women's Half and 5KSavannah | GA | 2:34:39 | #693 |
| 2017 | Uncorked Half MarathonNew Kent | VA | 2:36:12 | #374 |
| 2017 | Kentucky Derby Festival Race WeekendLouisville | KY | 2:39:44 | #5828 |
| 2017 | Fredericksburg Blue and Gray Half MarathonFredericksburg | VA | 2:41:52 | #337 |
| 2017 | Urban Bourbon Half Marathon and 5KLouisville | KY | 2:46:03 | #2254 |
| 2017 | Annapolis Running ClassicAnnapolis | MD | 2:48:00 | #1450 |
| 2017 | Rock 'n' Roll Washington DCWashington | DC | 2:52:15 | #11271 |
| 2017 | 2026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapa | CA | 3:04:05 | #2634 |
| 2016 | Kentucky Derby Festival Race WeekendLouisville | KY | 2:23:55 | #5692 |
| 2016 | Rock 'n' Roll Washington DCWashington | DC | 2:28:13 | #10097 |
| 2016 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 2:30:25 | #5555 |
| 2016 | Star Wars Half Marathon - The Dark SideLake Buena Vista | FL | 2:32:20 | #5052 |
| 2016 | Crawlin' Crab Half MarathonHampton | VA | 2:47:47 | #1328 |
| 2016 | Divas Half MarathonLeesburg | VA | 2:53:52 | #639 |
| 2016 | Virginia Wine Country Half Marathon 2026Hillsboro | VA | 3:01:13 | #1389 |
| 2015 | Philadelphia MarathonPhiladelphia | PA | 2:17:47 | #6953 |
| 2015 | Virginia Wine Country Half Marathon 2026Hillsboro | VA | 2:24:43 | #1070 |
| 2015 | Baltimore Running FestivalBaltimore | MD | 2:28:35 | #5206 |
| 2015 | Tobacco Road MarathonCary | NC | 2:30:27 | #1719 |
| 2014 | Divas Half MarathonLeesburg | VA | 2:28:28 | #905 |
| 2014 | Monterey Bay Half MarathonMonterey | CA | 2:30:24 | #4828 |
| 2014 | Annapolis Running ClassicAnnapolis | MD | 2:42:54 | #2188 |
| 2014 | 2026 Disney Wine & Dine Half Marathon WeekendOrlando | FL | 3:03:44 | #7472 |
| 2013 | Annapolis Running ClassicAnnapolis | MD | 2:32:16 | #1927 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
VAVirginia
12 racesCACalifornia
8 racesDCDistrict of Columbia
2 racesNCNorth Carolina
2 racesCOColorado
1 raceMOMissouri
1 raceTXTexas
1 race50-State Challenge
7/ 51 states + DC
44 states to go