Season
Level
Personal Records
| Event | Mark | State | National | Date |
|---|---|---|---|---|
| 400m | 1:09.99 | — | Mar 25, 2025 | |
| 800m | 3:00.03 | — | Mar 4, 2026 | |
| 1600m | 6:25.95 | — | Mar 4, 2026 | |
| 1 Mile | 10:00.00 | — | Sep 1, 2025 | |
| 2 Mile | 14:22.50 | — | Sep 24, 2024 |
Results
PRO
See all 19 of Jack Duffey's results
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Join MileSplit PRO Already a PRO member? Log in2026 - Cc
2 Mile Run
2026 - Outdoor
800 Meter Run
1600 Meter Run
2025 - Cc
One Mile Run
2 Mile Run
2025 - Outdoor
400 Meter Dash
1600 Meter Run
2024 - Cc
2 Mile Run