| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 2:13.30 | 2025 Maddy Kort Invitational | 2025-06-20 |
| 100m Breaststroke | 1:56.61 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 100m Freestyle | 1:33.21 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 100m IM | 1:48.06 | MAC Jingle Bell | 2025-12-12 |
| 200m Backstroke | 4:20.48 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 200m Freestyle | 3:32.55 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 200m IM | 3:58.75 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 25m Backstroke | 26.85 | 2025 Maddy Kort Invitational | 2025-06-20 |
| 25m Breaststroke | 24.49 | 2025 Maddy Kort Invitational | 2025-06-20 |
| 400m Freestyle | 8:03.33 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 54.34 | MAC Jingle Bell | 2025-12-12 |
| 50m Breaststroke | 51.17 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 50m Freestyle | 44.95 | 2025 Maddy Kort Invitational | 2025-06-20 |
MacLennan, Lily's top personal bests include 100m Backstroke (2:13.30), 100m Breaststroke (1:56.61), 100m Freestyle (1:33.21), 100m IM (1:48.06), 200m Backstroke (4:20.48).
MacLennan, Lily swims for Whitby Swimming.
MacLennan, Lily has competed in 5 meets.