| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:42.04 | Friday Night Races #1 | 2025-11-07 |
| 100m Breaststroke | 2:03.03 | GMAC End of the Year Splash | 2025-06-07 |
| 100m Freestyle | 1:33.39 | COBRA 2026 Stephen Clarke Classic | 2026-01-10 |
| 100m IM | 1:51.12 | GMAC End of the Year Splash | 2025-06-07 |
| 200m Freestyle | 3:28.74 | Friday Night Races #1 | 2025-11-07 |
| 25m Backstroke | 18.90 | Friday Night at the Races #3 | 2026-03-13 |
| 400m Freestyle | 7:10.00 | Friday Night at the Races #3 | 2026-03-13 |
| 50m Backstroke | 42.55 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Breaststroke | 55.95 | Friday Night Races #1 | 2025-11-07 |
| 50m Freestyle | 40.98 | COBRA 2026 Stephen Clarke Classic | 2026-01-10 |
Singh, Reyansh's top personal bests include 100m Backstroke (1:42.04), 100m Breaststroke (2:03.03), 100m Freestyle (1:33.39), 100m IM (1:51.12), 200m Freestyle (3:28.74).
Singh, Reyansh swims for Halton Hills Blue Fins.
Singh, Reyansh has competed in 11 meets.