| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:30.08 | KBM Heats & Finals | 2026-02-20 |
| 100m Breaststroke | 1:44.58 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 100m Breaststroke | 1:35.89 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m Butterfly | 1:34.03 | KBM Heats & Finals | 2026-02-20 |
| 100m Freestyle | 1:23.44 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 100m Freestyle | 1:18.53 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m Backstroke | 3:31.28 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 200m Backstroke | 3:14.16 | KBM Heats & Finals | 2026-02-20 |
| 200m Breaststroke | 3:43.79 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 200m Breaststroke | 3:32.82 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 200m Butterfly | 3:39.57 | KBM Heats & Finals | 2026-02-20 |
| 200m Freestyle | 3:04.09 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 200m Freestyle | 2:50.34 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m IM | 3:16.55 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 50m Butterfly | 41.95 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 50m Freestyle | 34.69 | KBM Heats & Finals | 2026-02-20 |
| 800m Freestyle | 13:32.88 | 2026 NKB Winter Invitational Long Course | 2026-01-16 |
Achieng, Zara's top personal bests include 100m Backstroke (1:30.08), 100m Breaststroke (1:44.58), 100m Breaststroke (1:35.89), 100m Butterfly (1:34.03), 100m Freestyle (1:23.44).
Achieng, Zara swims for Nepean Kanata Barracudas Swim Club.
Achieng, Zara has competed in 7 meets.