| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:33.23 | BBST Fall Invitational 2025 | 2025-11-21 |
| 100m Breaststroke | 1:42.41 | BBST Fall Invitational 2025 | 2025-11-21 |
| 100m Freestyle | 1:17.18 | GO Gee Gee March Break Invitational 2026 | 2026-02-28 |
| 100m IM | 1:35.86 | GO King & Queen of the Pool - Pentathlon 2025 | 2025-10-18 |
| 200m Backstroke | 3:19.82 | BBST Fall Invitational 2025 | 2025-11-21 |
| 200m Freestyle | 2:48.91 | GO Gee Gee March Break Invitational 2026 | 2026-02-28 |
| 200m IM | 3:13.51 | GO Gee Gee March Break Invitational 2026 | 2026-02-28 |
| 400m Freestyle | 6:14.75 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 50m Backstroke | 40.94 | GO Gee Gee March Break Invitational 2026 | 2026-02-28 |
| 50m Breaststroke | 47.64 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 50m Butterfly | 44.17 | GO Polar Bear Invitational 2026 | 2026-01-16 |
| 50m Freestyle | 33.69 | GO Gee Gee March Break Invitational 2026 | 2026-02-28 |
Guindon, Ethan's top personal bests include 100m Backstroke (1:33.23), 100m Breaststroke (1:42.41), 100m Freestyle (1:17.18), 100m IM (1:35.86), 200m Backstroke (3:19.82).
Guindon, Ethan swims for Greater Ottawa Kingfish Swim Club.
Guindon, Ethan has competed in 5 meets.