| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:51.78 | Chena Invitational | 2026-01-24 |
| 100m Breaststroke | 2:02.81 | Chena Invitational | 2026-01-24 |
| 100m Freestyle | 1:26.88 | Chena Invitational | 2026-01-24 |
| 200m IM | 3:43.61 | Chena Invitational | 2026-01-24 |
| 50m Backstroke | 46.94 | Titans Medley Add-Up | 2026-03-07 |
| 50m Breaststroke | 55.40 | Titans Medley Add-Up | 2026-03-07 |
| 50m Butterfly | 48.84 | Titans Medley Add-Up | 2026-03-07 |
| 50m Freestyle | 38.37 | Titans Medley Add-Up | 2026-03-07 |
Mejlholm, Landon's top personal bests include 100m Backstroke (1:51.78), 100m Breaststroke (2:02.81), 100m Freestyle (1:26.88), 200m IM (3:43.61), 50m Backstroke (46.94).
Mejlholm, Landon swims for Olympians Swimming.
Mejlholm, Landon has competed in 2 meets.