swimJack Zierenberg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 200 Freestyle | SCY | 1:46.79 | AA+0.40s to AAA·Sectionals ✓+5.20s to Futures | Mark J. Braun Fall Classicvenue | |
| 500 Freestyle | SCY | 4:42.55 | AAA+7.06s to AAAA·Sectionals ✓+5.46s to Futures | Mark J. Braun Fall Classicvenue | |
| 1000 Freestyle | SCY | 9:51.20 | AAA+14.21s to AAAA·Sectionals ✓+16.91s to Futures | Mark J. Braun Fall Classicvenue | |
| 1650 Freestyle | SCY | 16:23.72 | AAA+19.83s to AAAA·Sectionals ✓+18.23s to Futures | Mark J. Braun Fall Classicvenue | |
| 100 Butterfly | SCY | 53.58 | AA+1.59s to AAA·Sectionals ✓+2.99s to Futures | Mark J. Braun Fall Classicvenue | |
| 200 Butterfly | SCY | 1:55.95 | AAA+4.36s to AAAA·Sectionals ✓+2.26s to Futures | Mark J. Braun Fall Classicvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 50.83 | flying | 400 Free Relay (leg 2) | Mark J. Braun Fall Classic | |
| 100 Freestyle | SCY | 50.87 | flying | 400 Medley Relay (leg 4) | The Mark J. Braun Fall Classic | |
| 200 Freestyle | SCY | 1:47.38 | flat | 800 Free Relay | Mark J. Braun Fall Classic |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 17-18 · SCY
1743 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:42.55 | 895 |
| 200 FL SCY | 1:55.95 | 848 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
1594 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:46.79 | 825 |
| 100 FL SCY | 53.58 | 769 |
| 100 BK SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 1:46.79
Front half 51.22s · back half 55.57s
500 Freestyle SCY 4:42.55
Front half 136.37s · back half 146.18s
1000 Freestyle SCY 9:51.20
Front half 290.35s · back half 300.85s
1650 Freestyle SCY 16:23.72
100 Butterfly SCY 53.58
Front half 25.12s · back half 28.46s
200 Butterfly SCY 1:55.95
Front half 55.13s · back half 60.82s
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.