| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:25.23 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:42.34 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 100m Butterfly | 1:22.08 | Winter Swimfest 2026 | 2026-01-24 |
| 100m Freestyle | 1:08.66 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 1500m Freestyle | 5:29.31 | 2025 Rob Masson Memorial Distance Meet | 2025-11-15 |
| 200m Backstroke | 2:59.45 | Winter Swimfest 2026 | 2026-01-24 |
| 200m Breaststroke | 3:40.44 | Beast Cup 2026 | 2026-01-10 |
| 200m Butterfly | 3:10.77 | 2026 OSHAC Durham Cup | 2026-01-31 |
| 200m Freestyle | 2:31.00 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 2:51.20 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 5:23.31 | Winter Swimfest 2026 | 2026-01-24 |
| 400m IM | 6:47.60 | 2025 Rob Masson Memorial Distance Meet | 2025-11-15 |
| 50m Breaststroke | 48.96 | 2025 OSHAC Fall Invitational | 2025-11-01 |
| 50m Butterfly | 35.03 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 32.06 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Snelgrove, Arlyn's top personal bests include 100m Backstroke (1:25.23), 100m Breaststroke (1:42.34), 100m Butterfly (1:22.08), 100m Freestyle (1:08.66), 1500m Freestyle (5:29.31).
Snelgrove, Arlyn swims for Oshawa Aquatic Club.
Snelgrove, Arlyn has competed in 12 meets.