| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:19.79 | 2025 Otters Team Championships | 2025-06-28 |
| 100m Breaststroke | 1:36.26 | CCSC June Invitational | 2025-06-21 |
| 100m Breaststroke | 1:37.53 | 2025 BTSC Trojan Cup | 2025-12-12 |
| 100m Butterfly | 1:28.60 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 100m Freestyle | 1:09.04 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 100m Freestyle | 1:06.62 | Otters Spooky Splash 2025 | 2025-10-24 |
| 200m Backstroke | 2:56.89 | OSAC Team Challenge Short Course Swim Meet | 2025-11-14 |
| 200m Breaststroke | 3:33.83 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 200m Freestyle | 2:31.43 | CCSC June Invitational | 2025-06-21 |
| 200m Freestyle | 2:27.30 | Otters Spooky Splash 2025 | 2025-10-24 |
| 200m IM | 3:02.76 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 200m IM | 2:54.46 | 2026 Huronia SC Regional Championships | 2026-02-06 |
| 400m Freestyle | 5:49.89 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 400m Freestyle | 5:21.94 | 2025 BTSC Trojan Cup | 2025-12-12 |
| 50m Backstroke | 36.44 | CCSC June Invitational | 2025-06-21 |
| 50m Backstroke | 35.92 | 2026 Huronia SC Regional Championships | 2026-02-06 |
| 50m Breaststroke | 45.87 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 50m Breaststroke | 43.96 | 2025 Otters Team Championships | 2025-06-28 |
| 50m Butterfly | 36.60 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 50m Butterfly | 36.73 | 2026 Huronia SC Regional Championships | 2026-02-06 |
| 50m Freestyle | 30.92 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 50m Freestyle | 30.62 | 2025 Otters Team Championships | 2025-06-28 |
| 800m Freestyle | 11:15.95 | 2026 Huronia SC Regional Championships | 2026-02-06 |
Herzog, Vivian's top personal bests include 100m Backstroke (1:19.79), 100m Breaststroke (1:36.26), 100m Breaststroke (1:37.53), 100m Butterfly (1:28.60), 100m Freestyle (1:09.04).
Herzog, Vivian swims for Orangeville Otters Swim Club.
Herzog, Vivian has competed in 8 meets.