Personal Records
| Event | Mark | State | National | Date |
|---|---|---|---|---|
| 4K | 15:03.87 | #1,614 | Aug 29, 2026 | |
| 3 Mile | 18:17.80 | #16,277 | Nov 8, 2025 | |
| 5K | 18:35.00 | — | Oct 11, 2025 |
Results
PRO
See all 9 of Mason O’Brien’s results
Full performance history, included with MileSplit PRO.
Subscribe to view resultsAlready a subscriber? Log in.
2026 - Cc
4000 Meter Run
Three Mile Run
2025 - Cc
Three Mile Run
5000 Meter Run