| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:38.51 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:38.16 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:19.08 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m IM | 1:34.91 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 200m Breaststroke | 3:29.98 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Freestyle | 2:56.79 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Backstroke | 47.35 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 50m Breaststroke | 46.94 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 45.51 | MAC Jingle Bell | 2025-12-12 |
| 50m Freestyle | 34.89 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Fok, Kristoff's top personal bests include 100m Backstroke (1:38.51), 100m Breaststroke (1:38.16), 100m Freestyle (1:19.08), 100m IM (1:34.91), 200m Breaststroke (3:29.98).
Fok, Kristoff swims for Swim Apex Aquatic Club.
Fok, Kristoff has competed in 13 meets.