Season
Level
Personal Records
| Event | Mark | State | National | Date |
|---|---|---|---|---|
| 400m | 1:00.74 | — | May 9, 2026 | |
| 3 Mile | 18:36.50 | #19,442 | Sep 19, 2026 | |
| 5K | 20:49.70 | — | Sep 19, 2026 |
Results
PRO
See all 5 of William Duffin’s results
Full performance history, included with MileSplit PRO.
Subscribe to view resultsAlready a subscriber? Log in.
2026 - Cc
Three Mile Run
5000 Meter Run
2026 - Outdoor
400 Meter Dash