| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:13.64 | GHAC Winter Invitational SCM | 2026-03-06 |
| 100m Butterfly | 1:23.24 | GHAC Winter Invitational SCM | 2026-03-06 |
| 100m Freestyle | 1:06.82 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Freestyle | 2:40.88 | COBRA 2026 Stephen Clarke Classic | 2026-01-10 |
| 200m IM | 2:55.27 | Friday Night at the Races #3 | 2026-03-13 |
| 25m Butterfly | 14.80 | Friday Night at the Races #3 | 2026-03-13 |
| 400m Freestyle | 5:40.24 | COBRA 2026 Stephen Clarke Classic | 2026-01-10 |
| 50m Backstroke | 32.82 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 33.53 | GHAC Winter Invitational SCM | 2026-03-06 |
| 50m Freestyle | 30.05 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Santos, Nathan's top personal bests include 100m Backstroke (1:13.64), 100m Butterfly (1:23.24), 100m Freestyle (1:06.82), 200m Freestyle (2:40.88), 200m IM (2:55.27).
Santos, Nathan swims for Halton Hills Blue Fins.
Santos, Nathan has competed in 7 meets.