| Year | Season Best | Age | vs Prior Year | % Change | |
|---|---|---|---|---|---|
| 2026 | 4:04.04 | 34.2 | +0.31 | +0.13% | |
| 2025 | 4:04.35 | 33.3 | +0.24 | +0.10% | |
| 2024 | 4:04.59 | 32.3 | -0.82 | -0.34% | |
| 2017 | 4:03.77 | 25.3 | +0.07 | +0.03% | |
| 2016 | 4:03.84 | 24.4 | -4.05 | -1.69% | |
| 2015 | 3:59.79 | 23.4 | +5.13 | +2.09% | PB |
| 2014 | 4:04.92 | 22.3 | +nan | +nan% | PB |