| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:52.86 | SKSC Fallfest | 2025-11-22 |
| 100m Butterfly | 1:29.14 | Delta March LMR | 2026-03-14 |
| 100m Freestyle | 1:20.89 | Delta March LMR | 2026-03-14 |
| 200m Butterfly | 3:17.15 | SKSC Winterfest | 2026-01-24 |
| 200m Freestyle | 2:56.62 | SKSC Winterfest | 2026-01-24 |
| 200m IM | 3:13.86 | Delta March LMR | 2026-03-14 |
| 50m Breaststroke | 50.45 | SKSC Fallfest | 2025-11-22 |
| 50m Butterfly | 37.38 | Delta March LMR | 2026-03-14 |
| 50m Freestyle | 34.59 | SKSC Winterfest | 2026-01-24 |
Ng-Leyenhorst, Emma's top personal bests include 100m Breaststroke (1:52.86), 100m Butterfly (1:29.14), 100m Freestyle (1:20.89), 200m Butterfly (3:17.15), 200m Freestyle (2:56.62).
Ng-Leyenhorst, Emma swims for HYACK SWIM CLUB.
Ng-Leyenhorst, Emma has competed in 4 meets.