| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:20.27 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Backstroke | 1:11.94 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Breaststroke | 1:20.54 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Butterfly | 1:19.99 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Freestyle | 1:07.80 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Freestyle | 1:02.38 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m IM | 1:14.53 | 2026 Trojan Pentathlon | 2026-03-06 |
| 200m Backstroke | 2:55.74 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Backstroke | 2:39.61 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m Breaststroke | 3:25.21 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Breaststroke | 2:59.10 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Freestyle | 2:37.06 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:22.71 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m IM | 3:03.75 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m IM | 2:58.56 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 400m Freestyle | 5:41.43 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 400m Freestyle | 5:06.55 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Backstroke | 33.00 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 36.87 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Butterfly | 33.99 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Freestyle | 31.44 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 50m Freestyle | 27.97 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 11:45.90 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
Singh, Krish's top personal bests include 100m Backstroke (1:20.27), 100m Backstroke (1:11.94), 100m Breaststroke (1:20.54), 100m Butterfly (1:19.99), 100m Freestyle (1:07.80).
Singh, Krish swims for Oakville Aquatic Club.
Singh, Krish has competed in 9 meets.