| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 58.78 | MAC Rising Star #2 | 2025-05-30 |
| 100m Backstroke | 53.78 | 2026 U SPORTS Swimming Championships | 2026-03-12 |
| 100m Butterfly | 57.27 | uOttawa_vs._Carleton_vs._Queens Tri Meet 2026 | 2026-01-22 |
| 200m Backstroke | 2:56.79 | MAC Rising Star #2 | 2025-05-30 |
| 200m Backstroke | 2:00.56 | 2026 U SPORTS Swimming Championships | 2026-03-12 |
| 200m Breaststroke | 2:43.19 | BAD Outdoor LC Invitational | 2025-06-20 |
| 200m IM | 2:06.64 | uOttawa_vs._Carleton_Vs._Waterloo Tri Meet 2025 | 2025-10-18 |
| 50m Backstroke | 27.44 | MAC Rising Star #2 | 2025-05-30 |
| 50m Backstroke | 24.22 | 2026 U SPORTS Swimming Championships | 2026-03-12 |
| 50m Breaststroke | 33.42 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Butterfly | 25.30 | Coupe_Universitaire_3_11082025 | 2025-11-08 |
Nicholas Radjenovic's top personal bests include 100m Backstroke (58.78), 100m Backstroke (53.78), 100m Butterfly (57.27), 200m Backstroke (2:56.79), 200m Backstroke (2:00.56).
Nicholas Radjenovic swims for University of Ottawa Gee-Gees.
Nicholas Radjenovic has competed in 6 meets.