Most Improved Boys' 400m
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Below is the top 10 boys that showed the most improvement over the last year in the 400m.
| Athlete | 2019 | 2018 | Difference |
| Tristan Stewart | 56.24 | 1:02.97 | -6.73 |
| Sam Stroup | 56.33 | 1:02.55 | -6.22 |
| Trevor Grenier | 57.18 | 1:02.83 | -5.65 |
| Nick Letourneau | 56.02 | 1:01.45 | -5.43 |
| Ethan Mcintosh | 52.84 | 58.25 | -5.41 |
| Matthew Gould | 56.98 | 1:01.50 | -4.52 |
| Elijah Escobar | 54.4 | 58.9 | -4.5 |
| Will Thorn | 55.43 | 59.93 | -4.5 |
| Dante Crenshaw | 55.32 | 59.22 | -3.9 |
Most Improved Girls' 400m
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Below is the top 10 girls that showed the most improvement over the last year in the 400m.
| Athlete | 2019 | 2018 | Difference |
| Chelsea Freda | 1:11.87 | 1:22.94 | -11.07 |
| Jilian Schmelzer | 58.47 | 1:07.74 | -9.27 |
| Halle James | 1:00.23 | 1:06.16 | -5.93 |
| Alyssa Elliott | 1:04.43 | 1:10.02 | -5.59 |
| Emme Ayers | 1:07.61 | 1:12.24 | -4.63 |
| Jillian Brown | 1:08.55 | 1:12.85 | -4.3 |
| Jaylee Ireland | 1:05.38 | 1:09.23 | -3.85 |
| Abigail Clinch | 1:02.57 | 1:06.00 | -3.43 |
| Hannah D'Orso | 1:03.37 | 1:06.66 | -3.29 |
| Ashleigh Bolduc | 1:05.60 | 1:08.84 | -3.24 |