| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:33.88 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 100m Breaststroke | 1:29.98 | MAC Jingle Bell | 2025-12-12 |
| 100m Butterfly | 1:48.27 | MAC Rising Star #2 | 2025-05-30 |
| 100m Butterfly | 1:34.25 | Hall of Fame | 2025-10-18 |
| 100m Freestyle | 1:13.80 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 100m Freestyle | 1:11.91 | MAC Jingle Bell | 2025-12-12 |
| 100m IM | 1:24.54 | MAC Jingle Bell | 2025-12-12 |
| 200m Breaststroke | 3:18.15 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 200m Breaststroke | 3:10.69 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 2:46.29 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 200m Freestyle | 2:39.98 | MAC Jingle Bell | 2025-12-12 |
| 200m IM | 3:31.04 | MAC Rising Star #2 | 2025-05-30 |
| 200m IM | 3:07.12 | Hall of Fame | 2025-10-18 |
| 400m Freestyle | 5:52.80 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 400m Freestyle | 5:35.14 | MAC Jingle Bell | 2025-12-12 |
| 50m Breaststroke | 42.80 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 50m Breaststroke | 40.01 | MAC Jingle Bell | 2025-12-12 |
| 50m Freestyle | 34.91 | MAC Rising Star #2 | 2025-05-30 |
| 50m Freestyle | 32.28 | MAC Jingle Bell | 2025-12-12 |
| 800m Freestyle | 12:24.31 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 800m Freestyle | 12:30.95 | MAC Jingle Bell | 2025-12-12 |
Gubarev, Anton's top personal bests include 100m Breaststroke (1:33.88), 100m Breaststroke (1:29.98), 100m Butterfly (1:48.27), 100m Butterfly (1:34.25), 100m Freestyle (1:13.80).
Gubarev, Anton swims for RocketSwim.
Gubarev, Anton has competed in 5 meets.