| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:11.53 | 2025 Friesen Plastics LASC Fall Challenge | 2025-10-24 |
| 100m Breaststroke | 1:10.30 | 2026 Pronghorn Classic | 2026-03-13 |
| 100m Butterfly | 1:15.10 | AMAC Fall Invitational SC | 2025-11-14 |
| 100m Freestyle | 57.99 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 100m IM | 1:06.77 | Maverick Madness 2026 | 2026-01-30 |
| 200m Breaststroke | 2:41.90 | Maverick Madness 2026 | 2026-01-30 |
| 200m Freestyle | 2:09.85 | Maverick Madness 2026 | 2026-01-30 |
| 400m Freestyle | 4:45.42 | AMAC Fall Invitational SC | 2025-11-14 |
| 50m Backstroke | 32.82 | AMAC Fall Invitational SC | 2025-11-14 |
| 50m Breaststroke | 31.83 | 2026 Pronghorn Classic | 2026-03-13 |
| 50m Butterfly | 29.69 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 50m Freestyle | 26.71 | OSC J.P. Fiset Invitational | 2025-12-11 |
Yonkman, Leo's top personal bests include 100m Backstroke (1:11.53), 100m Breaststroke (1:10.30), 100m Butterfly (1:15.10), 100m Freestyle (57.99), 100m IM (1:06.77).
Yonkman, Leo swims for Alberta Marlin Aquatic Club.
Yonkman, Leo has competed in 8 meets.