| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:26.17 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Backstroke | 1:15.55 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 100m Butterfly | 1:28.43 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Butterfly | 1:10.71 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Freestyle | 1:07.85 | MAC Winter Invitational | 2026-01-22 |
| 100m Freestyle | 1:07.37 | 2025 OSHAC Fall Invitational | 2025-11-01 |
| 200m Backstroke | 2:51.89 | MAC Winter Invitational | 2026-01-22 |
| 200m Backstroke | 2:43.00 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 200m Breaststroke | 3:36.92 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 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 | 2:27.65 | MAC Winter Invitational | 2026-01-22 |
| 200m Freestyle | 2:18.74 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m IM | 3:01.18 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 400m Freestyle | 5:44.25 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 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 | 35.97 | MAC Winter Invitational | 2026-01-22 |
| 50m Backstroke | 33.96 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Freestyle | 33.09 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 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 (1:26.17), 100m Backstroke (1:15.55), 100m Butterfly (1:28.43), 100m Butterfly (1:10.71), 100m Freestyle (1:07.85).
Blagoev, Nathan swims for Vaughan Aquatic Club.
Blagoev, Nathan has competed in 8 meets.