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JZ
John Zientko
MaleIllinois2013–2026
9
Total Finishes
8
Different Races
4
States (8%)
1:18:54
PR (6:01/mi)
1:41:31
Average
-0:43:57
Faster (first to last)
Medal House
2026
Half Marathon Unplugged
1:18:54
#9 overall
2025
BLACK GOOSE
1:19:40
#3 overall#3 gender
2025
Cincinnati Hungry Turkey Half Marathon & 5K
1:23:03
#2 overall#2 gender
2024
Champlain Islands Marathon & Half Marathon
1:22:49
#8 overall
2018
Thru the Leaves
1:52:43
#1 overall#1 gender
2017
Chi Town Half Marathon & 10K
1:23:44
#10 overall#9 gender
2015
Chi Town Half Marathon & 10K
1:41:28
#158 overall#116 gender
2014
Grand Island Trail Run
2:48:30
#248 overall#116 gender
2013
Chicagoland Spring Marathon, Half Marathon & 10K
2:02:51
#350 overall#226 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Half Marathon UnpluggedBurlington | VT | 1:18:54 | #9 |
| 2025 | BLACK GOOSEnorth kingstown | MA | 1:19:40 | #3 |
| 2025 | Cincinnati Hungry Turkey Half Marathon & 5KCincinnati | OH | 1:23:03 | #2 |
| 2024 | Champlain Islands Marathon & Half MarathonSouth Hero | VT | 1:22:49 | #8 |
| 2018 | Thru the LeavesRochester Hills | MI | 1:52:43 | #1 |
| 2017 | Chi Town Half Marathon & 10KChicago | IL | 1:23:44 | #10 |
| 2015 | Chi Town Half Marathon & 10KChicago | IL | 1:41:28 | #158 |
| 2014 | Grand Island Trail RunMunising | MI | 2:48:30 | #248 |
| 2013 | Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg | IL | 2:02:51 | #350 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
ILIllinois
3 racesMIMichigan
2 racesOHOhio
1 raceNHNew Hampshire
0 races50-State Challenge
4/ 51 states + DC
47 states to go