| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:10.48 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Backstroke | 1:09.02 | Border City Invitational 2025 | 2025-12-05 |
| 100m Breaststroke | 1:24.00 | June Performance Meet 2025 | 2025-06-06 |
| 100m Breaststroke | 1:18.50 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Butterfly | 1:11.75 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Butterfly | 1:09.00 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:03.71 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Freestyle | 1:03.16 | 2025 NYAC Cup | 2025-11-14 |
| 100m IM | 1:16.52 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 200m Backstroke | 2:31.73 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Backstroke | 2:30.12 | Border City Invitational 2025 | 2025-12-05 |
| 200m Breaststroke | 3:00.77 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Breaststroke | 2:55.09 | 2025 NYAC Cup | 2025-11-14 |
| 200m Butterfly | 2:40.87 | OUA & Club Winter Invitational | 2026-01-17 |
| 200m Freestyle | 2:17.56 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:15.94 | Border City Invitational 2025 | 2025-12-05 |
| 200m IM | 2:37.82 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m IM | 2:29.87 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 4:50.76 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 400m Freestyle | 4:45.04 | 2025 NYAC Cup | 2025-11-14 |
| 400m IM | 5:37.09 | June Performance Meet 2025 | 2025-06-06 |
| 400m IM | 5:20.92 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Backstroke | 34.00 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 50m Breaststroke | 40.38 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 50m Freestyle | 29.95 | 2025 NYAC Cup | 2025-11-14 |
| 800m Freestyle | 10:07.64 | June Performance Meet 2025 | 2025-06-06 |
| 800m Freestyle | 9:49.76 | Border City Invitational 2025 | 2025-12-05 |
Franzoi, Siena's top personal bests include 100m Backstroke (1:10.48), 100m Backstroke (1:09.02), 100m Breaststroke (1:24.00), 100m Breaststroke (1:18.50), 100m Butterfly (1:11.75).
Franzoi, Siena swims for Toronto Swim Club.
Franzoi, Siena has competed in 9 meets.