| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:16.92 | June Performance Meet 2025 | 2025-06-06 |
| 100m Backstroke | 1:05.18 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Breaststroke | 1:13.27 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Breaststroke | 1:12.23 | 2025 NYAC Cup | 2025-11-14 |
| 100m Butterfly | 1:04.93 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 59.08 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Freestyle | 58.43 | 2025 NYAC Cup | 2025-11-14 |
| 100m IM | 1:06.35 | 2025 RHAC Summer League | 2025-07-18 |
| 200m Backstroke | 2:42.96 | June Performance Meet 2025 | 2025-06-06 |
| 200m Backstroke | 2:28.89 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 2:36.86 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Breaststroke | 2:32.96 | 2025 NYAC Cup | 2025-11-14 |
| 200m Butterfly | 2:20.53 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Butterfly | 2:22.78 | 2025 NYAC Cup | 2025-11-14 |
| 200m Freestyle | 2:08.26 | Scar Pan Am Winter Classic | 2026-01-16 |
| 200m Freestyle | 2:08.33 | 2025 NYAC Cup | 2025-11-14 |
| 200m IM | 2:19.69 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m IM | 2:26.21 | 2025 RHAC Summer League | 2025-07-18 |
| 400m Freestyle | 4:33.26 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 400m Freestyle | 4:33.56 | 2025 NYAC Cup | 2025-11-14 |
| 400m IM | 5:10.32 | Scar Pan Am Winter Classic | 2026-01-16 |
| 400m IM | 5:06.27 | 2025 NYAC Cup | 2025-11-14 |
| 50m Backstroke | 34.44 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Backstroke | 30.76 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 34.12 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Butterfly | 30.00 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Freestyle | 28.18 | June Performance Meet 2025 | 2025-06-06 |
| 50m Freestyle | 27.16 | 2025 NYAC Cup | 2025-11-14 |
| 800m Freestyle | 9:05.80 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 800m Freestyle | 9:26.09 | 2025 RHAC Summer League | 2025-07-18 |
Lim, Dongyun (Max)'s top personal bests include 100m Backstroke (1:16.92), 100m Backstroke (1:05.18), 100m Breaststroke (1:13.27), 100m Breaststroke (1:12.23), 100m Butterfly (1:04.93).
Lim, Dongyun (Max) swims for Oakville Aquatic Club.
Lim, Dongyun (Max) has competed in 9 meets.