| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:27.34 | Seals West Side Challenge | 2025-11-28 |
| 100m Breaststroke | 1:41.30 | Manitoba Open Junior Provincials | 2026-02-06 |
| 100m Freestyle | 1:23.21 | The Steve Molloy Invitational 2025 | 2025-11-07 |
| 100m IM | 1:29.89 | St. James Seals Invitational | 2026-01-23 |
| 200m Breaststroke | 3:25.24 | Manitoba Open Junior Provincials | 2026-02-06 |
| 200m Freestyle | 3:12.03 | St. James Seals Invitational | 2026-01-23 |
| 200m IM | 3:17.22 | Manitoba Open Junior Provincials | 2026-02-06 |
| 50m Backstroke | 39.50 | Manitoba Open Junior Provincials | 2026-02-06 |
| 50m Breaststroke | 46.67 | 2025 Prairie Winter International | 2025-12-11 |
| 50m Butterfly | 42.40 | Bison Sprint IM Invitational | 2026-01-10 |
| 50m Freestyle | 36.19 | Manitoba Open Junior Provincials | 2026-02-06 |
Atharv Singh's top personal bests include 100m Backstroke (1:27.34), 100m Breaststroke (1:41.30), 100m Freestyle (1:23.21), 100m IM (1:29.89), 200m Breaststroke (3:25.24).
Atharv Singh swims for University of Manitoba.
Atharv Singh has competed in 7 meets.