| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:26.16 | SKSC Winterfest | 2026-01-24 |
| 100m Breaststroke | 1:37.77 | Delta March LMR | 2026-03-14 |
| 100m Butterfly | 1:21.88 | Delta March LMR | 2026-03-14 |
| 100m Freestyle | 1:12.47 | 2025 Spartan Santa | 2025-12-06 |
| 200m Backstroke | 3:06.40 | 2025 Spartan Santa | 2025-12-06 |
| 200m Breaststroke | 3:42.38 | 2025 Spartan Santa | 2025-12-06 |
| 200m Freestyle | 2:38.35 | 2025 Spartan Santa | 2025-12-06 |
| 200m IM | 2:53.17 | Delta March LMR | 2026-03-14 |
| 400m Freestyle | 6:06.26 | SKSC October Distance Time Trial 2025 | 2025-10-24 |
| 50m Backstroke | 39.61 | SKSC Winterfest | 2026-01-24 |
| 50m Breaststroke | 44.40 | Delta March LMR | 2026-03-14 |
| 50m Butterfly | 39.29 | SKSC Fallfest | 2025-11-22 |
| 50m Freestyle | 33.89 | SKSC Winterfest | 2026-01-24 |
Ruitenbeck, Sienna's top personal bests include 100m Backstroke (1:26.16), 100m Breaststroke (1:37.77), 100m Butterfly (1:21.88), 100m Freestyle (1:12.47), 200m Backstroke (3:06.40).
Ruitenbeck, Sienna swims for Surrey Knights Swim Club.
Ruitenbeck, Sienna has competed in 11 meets.