| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:32.37 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:42.64 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:51.05 | MAC Jingle Bell | 2025-12-12 |
| 100m Freestyle | 1:20.90 | 2026 Future Stars League #3 - NYAC | 2026-02-08 |
| 100m IM | 1:31.01 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 3:40.46 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 2:56.85 | MAC Jingle Bell | 2025-12-12 |
| 200m IM | 3:20.72 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 6:47.73 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 50m Backstroke | 43.35 | Future Stars Swim League MSSAC 2026 | 2026-01-31 |
| 50m Butterfly | 44.10 | MAC Jingle Bell | 2025-12-12 |
| 50m Freestyle | 35.75 | Future Stars Swim League MSSAC 2026 | 2026-01-31 |
| 800m Freestyle | 13:13.58 | MAC Jingle Bell | 2025-12-12 |
Pot, Marissa's top personal bests include 100m Backstroke (1:32.37), 100m Breaststroke (1:42.64), 100m Butterfly (1:51.05), 100m Freestyle (1:20.90), 100m IM (1:31.01).
Pot, Marissa swims for Whitby Swimming.
Pot, Marissa has competed in 9 meets.