| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Zachery "Zach"•Ziemek | |
| Used name | Zach•Ziemek | |
| Nick/petnames | Double Z | |
| Born | 23 February 1993 in Elmhurst, Illinois | |
| Measurements | 193 cm / 89 kg | |
| Affiliations | University of Wisconsin | |
| NOC | United States |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2016 Summer Olympics | Athletics | Zach Ziemek | ||||
| Decathlon, Men (Olympic) | 7 | |||||
| 2020 Summer Olympics | Athletics | Zach Ziemek | ||||
| Decathlon, Men (Olympic) | 6 | |||||
| 2024 Summer Olympics | Athletics | Zach Ziemek | ||||
| Decathlon, Men (Olympic) | 17 |
Middle name is probably Anthony