Jackson Zweifel
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 51.77 | 2021-04-01 | 2021 Alaska Age Group Postal fast pool | |
| 200 Freestyle | SCY | 2:38.38 | 2024-02-18 | 2024 AK Age Group Championships fast pool | |
| 500 Freestyle | SCY | 7:21.35 | 2024-02-16 | 2024 AK Age Group Championships fast pool | |
| 50 Backstroke | SCY | 1:09.41 | 2021-04-01 | 2021 Alaska Age Group Postal fast pool | |
| 50 Breaststroke | SCY | 39.23 | 2024-02-18 | 2024 AK Age Group Championships fast pool | |
| 100 Breaststroke | SCY | 1:28.31 | 2024-02-17 | 2024 AK Age Group Championships fast pool | |
| 100 Butterfly | SCY | 1:33.75 | 2024-02-18 | 2024 AK Age Group Championships fast pool | |
| 200 Individual Medley | SCY | 3:00.17 | 2024-02-17 | 2024 AK Age Group Championships fast pool |
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:15.69 | flying | 400 Free Relay (leg 3) | 2024-02-16 | 2024 AK Age Group Championships |
| 50 Breaststroke | SCY | 39.74 | flying | 200 Medley Relay (leg 2) | 2024-02-16 | 2024 AK Age Group Championships |
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 10 & under · SCY
2297 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:38.38 | 588 |
| 100 BR SCY | 1:28.31 | 710 |
| 100 FL SCY | 1:33.75 | 412 |
| 200 IM SCY | 3:00.17 | 587 |
| 100 BK SCY | — | 0 |
IMR 10 & under · SCY
897 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 1:09.41 | 99 |
| 50 BR SCY | 39.23 | 798 |
| 100 FR SCY | — | 0 |
| 50 FL SCY | — | 0 |
| 100 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 2:38.38 RT 0.88s
Front half 76.92s · back half 81.46s
500 Freestyle SCY 7:21.35 RT 0.84s
Front half 217.91s · back half 223.44s
100 Breaststroke SCY 1:28.31 RT 1.97s
Front half 41.66s · back half 46.65s
100 Butterfly SCY 1:33.75 RT 0.71s
Front half 41.88s · back half 51.87s
200 Individual Medley SCY 3:00.17 RT 0.76s
Front half 91.14s · back half 89.03s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.