| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:34.67 | KAJ Fall Classic | 2025-11-21 |
| 100m IM | 1:27.20 | KAJ Fall Classic | 2025-11-21 |
| 1500m Freestyle | 11:36.41 | KISU 1500 + Club Record Relay TT | 2026-01-31 |
| 200m Backstroke | 3:36.48 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 200m Breaststroke | 3:38.69 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 200m Freestyle | 3:03.59 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 400m IM | 7:49.55 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 50m Backstroke | 44.08 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 50m Breaststroke | 42.25 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 50m Butterfly | 38.14 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 50m Freestyle | 33.28 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 800m Freestyle | 13:37.25 | KISU 800FR TT | 2025-11-01 |
Collerette-Reza, Nathael's top personal bests include 100m Backstroke (1:34.67), 100m IM (1:27.20), 1500m Freestyle (11:36.41), 200m Backstroke (3:36.48), 200m Breaststroke (3:38.69).
Collerette-Reza, Nathael swims for KISU Swim Club.
Collerette-Reza, Nathael has competed in 5 meets.