| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:12.72 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Breaststroke | 1:34.44 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Butterfly | 1:12.49 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:05.44 | MAC Rising Star #2 | 2025-05-30 |
| 100m Freestyle | 1:03.86 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m IM | 1:25.40 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 200m Backstroke | 2:55.09 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Freestyle | 2:28.06 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:23.31 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m IM | 3:03.73 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m IM | 2:50.13 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 400m Freestyle | 5:22.27 | MAC Rising Star #2 | 2025-05-30 |
| 400m Freestyle | 5:18.31 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 400m IM | 6:28.59 | MAC Rising Star #2 | 2025-05-30 |
| 400m IM | 6:02.71 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Backstroke | 34.39 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 44.62 | 2025 NYAC Cup | 2025-11-14 |
| 50m Butterfly | 30.79 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Freestyle | 30.35 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 50m Freestyle | 28.96 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 11:26.94 | MAC Rising Star #2 | 2025-05-30 |
| 800m Freestyle | 10:52.66 | 2025 Murray Drudge Invitational | 2025-12-05 |
De Los Santos, Elsa's top personal bests include 100m Backstroke (1:12.72), 100m Breaststroke (1:34.44), 100m Butterfly (1:12.49), 100m Freestyle (1:05.44), 100m Freestyle (1:03.86).
De Los Santos, Elsa swims for Oakville Aquatic Club.
De Los Santos, Elsa has competed in 8 meets.