swimZack Pierzina
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 400 Freestyle | LCM | 4:38.39 | +4.00s to Sectionals | 2024-05-24 | 13th Annual Speedo Arizona Invitationalvenue |
| 100 Backstroke | LCM | 1:20.18 | +14.99s to Sectionals | 2024-05-26 | 13th Annual Speedo Arizona Invitationalvenue |
| 100 Breaststroke | LCM | 1:14.49 | +0.79s to Sectionals | 2024-05-25 | 13th Annual Speedo Arizona Invitationalvenue |
| 200 Breaststroke | LCM | 2:45.33 | +4.45s to Sectionals | 2024-05-24 | 13th Annual Speedo Arizona Invitationalvenue |
| 100 Butterfly | LCM | 1:04.73 | +1.64s to Sectionals | 2024-05-25 | 13th Annual Speedo Arizona Invitationalvenue |
| 200 Butterfly | LCM | 2:21.76 | +0.67s to Sectionals | 2024-05-26 | 13th Annual Speedo Arizona Invitationalvenue |
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
PR splits
400 Freestyle LCM 4:38.39
Front half 135.49s · back half 142.90s
200 Breaststroke LCM 2:45.33
Front half 80.94s · back half 84.39s
200 Butterfly LCM 2:21.76
Front half 65.90s · back half 75.86s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.