| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:25.12 | 2025 LC Far Western Championship | 2025-07-31 |
| 100m Butterfly | 1:10.23 | 2025 LC Far Western Championship | 2025-07-31 |
| 100m Freestyle | 1:03.86 | 2025 LC Far Western Championship | 2025-07-31 |
| 200m Freestyle | 2:18.69 | 2025 LC Far Western Championship | 2025-07-31 |
| 200m IM | 2:39.81 | 2025 LC Far Western Championship | 2025-07-31 |
| 400m IM | 5:25.45 | 2025 LC Far Western Championship | 2025-07-31 |
| 50m Freestyle | 28.22 | 2025 LC Far Western Championship | 2025-07-31 |
Nelson, Annika's top personal bests include 100m Breaststroke (1:25.12), 100m Butterfly (1:10.23), 100m Freestyle (1:03.86), 200m Freestyle (2:18.69), 200m IM (2:39.81).
Nelson, Annika swims for San Ramon Valley Aquatics.
Nelson, Annika has competed in 1 meets.