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DZ
David Zack
MaleOhio2003–2025
54
Total Finishes
37
Distinct Races
11
States (22%)
1:21:12
PR (6:12/mi)
1:58:49
Average
+0:09:58
Slower (first to last)
Medal House
2008
United Airlines NYC Half
1:51:23
#2671 overall#1960 gender
2008
The LESS Popular Brooklyn Half Marathon!
1:54:29
#2689 overall#1983 gender
2008
NYRR Fred Lebow Half Marathon
1:58:49
#2704 overall#1982 gender
2007
LONG ISLAND MARATHON FESTIVAL
1:35:26
#176 overall#152 gender
2007
NYCRUNS Brooklyn Ice Cream Social Half Marathon
1:39:25
#489 overall#439 gender
2007
St. Luke's Half Marathon & 5K
1:51:04
#872 overall#643 gender
2006
United Airlines NYC Half
1:38:14
#924 overall#794 gender
2006
NYCRUNS Brooklyn Ice Cream Social Half Marathon
1:41:15
#656 overall#566 gender
2006
The LESS Popular Brooklyn Half Marathon!
1:46:12
#1159 overall#944 gender
2006
NYRR Fred Lebow Half Marathon
1:53:28
#1537 overall#1184 gender
2005
NYRR Fred Lebow Half Marathon
1:52:41
#1681 overall#1322 gender
2003
Life Time Chicago Half Marathon + 5K
1:57:23
#2123 overall#1453 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Missoula Marathon Half Marathon 5K Kids MarathonMissoula | MT | 2:07:21 | #810 |
| 2024 | Austin MarathonAustin | TX | 2:07:33 | #3736 |
| 2024 | Flying Pig Pump and RunCincinnati | OH | 2:13:09 | #3553 |
| 2024 | Mount Rushmore Half MarathonKeystone | SD | 2:14:41 | #111 |
| 2023 | Shamrock MarathonVirginia Beach | VA | 1:54:22 | #1112 |
| 2023 | Flying Pig Pump and RunCincinnati | OH | 2:02:29 | #1932 |
| 2023 | Saguaro Half MarathonTucson | AZ | 2:07:22 | #201 |
| 2023 | Lake Powell Half MarathonPage | AZ | 2:18:22 | #153 |
| 2022 | 2026 Anchorage Mayor's Marathon & Half MarathonAnchorage | AK | 1:59:38 | #137 |
| 2022 | Flying Pig Pump and RunCincinnati | OH | 2:01:20 | #1475 |
| 2022 | RunSedona EventsSedona | AZ | 2:02:42 | #269 |
| 2022 | Great Balloon Chase 5K, 10K & 1/2 MarathonAlbuquerque | NM | 2:02:43 | #44 |
| 2021 | Grand Teton Half MarathonJackson | WY | 2:06:58 | #408 |
| 2021 | Glacier Half MarathonEast Glacier Park | MT | 2:07:00 | #345 |
| 2020 | Stay Home Virtual RaceAnywhere | WA | 2:01:13 | #1195 |
| 2020 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 2:16:57 | #191 |
| 2019 | Mount Desert Island MarathonBar Harbor | ME | 1:59:10 | #150 |
| 2019 | Flying Pig Pump and RunCincinnati | OH | 2:10:15 | #3785 |
| 2019 | Fueled by Fine WineDundee | OR | 2:17:39 | #171 |
| 2018 | Heart Mini MarathonCincinnati | OH | 1:21:12 | #356 |
| 2018 | Flying Pig Pump and RunCincinnati | OH | 1:56:21 | #1634 |
| 2018 | Paycor Half-marathonCincinatti | OH | 1:56:21 | #1631 |
| 2018 | Key West Half Marathon & 5K, 8K, 10K, Rum Stroll & Beer MileKey West | FL | 1:56:42 | #369 |
| 2018 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 2:11:32 | #208 |
| 2018 | Great Smoky Mountains Half Marathon & 5KTownsend | TN | 2:25:52 | #739 |
| 2017 | Cincinnati Hungry Turkey Half Marathon & 5KCincinnati | OH | 1:55:38 | #105 |
| 2017 | 2026 Bar Harbor Bank & Trust Half Marathon and Fall 5KBar Harbor | ME | 2:10:17 | #142 |
| 2016 | Flying Pig Pump and RunCincinnati | OH | 2:20:19 | #4812 |
| 2015 | Flying Pig Pump and RunCincinnati | OH | 1:53:23 | #1494 |
| 2015 | Guthrie Wineglass Marathon, Wegmans Wineglass Half Marathon & Williams Toyota Wineglass 5KCorning | NY | 1:54:22 | #361 |
| 2014 | 2025 500 Festival Running EventsIndianapolis | IN | 1:47:44 | #2558 |
| 2014 | Oregon Wine Country Half MarathonDayton | OR | 1:49:00 | #158 |
| 2014 | New Prague Half MarathonNew Prague | MN | 1:53:38 | #105 |
| 2013 | Napa to Sonoma Wine Country Half MarathonSonoma | CA | 1:48:27 | #305 |
| 2013 | Kentucky Derby Festival Race WeekendLouisville | KY | 1:49:36 | #1431 |
| 2013 | Life Time Miami Marathon & HalfMiami | FL | 1:50:36 | #1507 |
| 2012 | Novo Nordisk New Jersey MarathonLong Branch | NJ | 2:00:59 | #2196 |
| 2011 | St. Luke's Half Marathon & 5KAllentown | PA | 1:53:39 | #921 |
| 2010 | New Prague Half MarathonNew Prague | MN | 1:48:29 | #205 |
| 2010 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 1:54:50 | #851 |
| 2009 | New Prague Half MarathonNew Prague | MN | 1:57:18 | #356 |
| 2009 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:09:26 | #6410 |
| 2008 | United Airlines NYC HalfNew York | NY | 1:51:23 | #2671 |
| 2008 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:54:29 | #2689 |
| 2008 | NYRR Fred Lebow Half MarathonNew York | NY | 1:58:49 | #2704 |
| 2008 | Flying Pig Pump and RunCincinnati | OH | 2:15:41 | #3477 |
| 2007 | LONG ISLAND MARATHON FESTIVALEast Meadow | NY | 1:35:26 | #176 |
| 2007 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 1:39:25 | #489 |
| 2007 | St. Luke's Half Marathon & 5KAllentown | PA | 1:51:04 | #872 |
| 2006 | United Airlines NYC HalfNew York | NY | 1:38:14 | #924 |
| 2006 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 1:41:15 | #656 |
| 2006 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:46:12 | #1159 |
| 2006 | NYRR Fred Lebow Half MarathonNew York | NY | 1:53:28 | #1537 |
| 2005 | NYRR Fred Lebow Half MarathonNew York | NY | 1:52:41 | #1681 |
| 2003 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:57:23 | #2123 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
13 racesOHOhio
11 racesAZArizona
3 racesMNMinnesota
3 racesFLFlorida
2 racesOROregon
2 racesCACalifornia
1 raceHIHawaii
1 raceILIllinois
1 raceNJNew Jersey
1 raceSDSouth Dakota
1 race50-State Challenge
11/ 51 states + DC
40 states to go