| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:15.55 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 100m Butterfly | 1:10.71 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Freestyle | 1:07.37 | 2025 OSHAC Fall Invitational | 2025-11-01 |
| 1500m Freestyle | 4:05.48 | VAC2025 - 1500-800-400 Free Endurance Builder | 2025-11-08 |
| 200m Backstroke | 2:43.00 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 200m Breaststroke | 3:11.69 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Butterfly | 2:38.71 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Freestyle | 2:18.74 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 400m Freestyle | 5:20.33 | 2025 OSHAC Fall Invitational | 2025-11-01 |
| 400m IM | 5:55.69 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 50m Backstroke | 33.96 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Freestyle | 31.01 | Hall of Fame | 2025-10-18 |
| 800m Freestyle | 11:03.21 | VAC2025 - 1500-800-400 Free Endurance Builder | 2025-11-08 |
Blagoev, Nathan's top personal bests include 100m Backstroke (1:15.55), 100m Butterfly (1:10.71), 100m Freestyle (1:07.37), 1500m Freestyle (4:05.48), 200m Backstroke (2:43.00).
Blagoev, Nathan swims for Vaughan Aquatic Club.
Blagoev, Nathan has competed in 8 meets.