Season
Personal Records
| Event | Mark | State | National | Date |
|---|---|---|---|---|
| 400m | 1:04.12 | — | Mar 4, 2024 | |
| 800m | 2:31.45 | — | Apr 29, 2024 | |
| Shot Put | 29-9 | #16,801 | Dec 11, 2025 |
Results
PRO
See all 8 of Jack Koster’s results
Full performance history, included with MileSplit PRO.
Subscribe to view resultsAlready a subscriber? Log in.
2026 - Indoor
Shot Put
2024 - Outdoor
400 Meter Dash
800 Meter Run