Jack Zheng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.24 | AA+0.75s to AAA | 2015-02-26 | 2015 SC Southeastern Championships |
| 100 Freestyle | SCY | 54.21 | A+0.72s to AA | 2015-02-08 | 2015 SE Polar Bear Invitational slow pool |
| 100 Backstroke | SCY | 59.91 | A+1.32s to AA | 2015-02-26 | 2015 SC Southeastern Championships |
| 200 Backstroke | SCY | 2:10.09 | A+2.60s to AA | 2015-02-26 | 2015 SC Southeastern Championships |
| 100 Butterfly | SCY | 1:01.41 | BB+1.02s to A | 2015-02-07 | 2015 SE Polar Bear Invitational slow pool |
| 100 Freestyle | LCM | 1:24.71 | +9.62s to B | 2012-04-27 | Memphis Thunder Spring Invitational |
| 50 Backstroke | LCM | 40.70 | +1.21s to B | 2012-04-27 | Memphis Thunder Spring Invitational |
| 50 Breaststroke | LCM | 51.34 | +7.25s to B | 2012-04-27 | Memphis Thunder Spring Invitational |
| 100 Butterfly | LCM | 1:53.22 | +32.93s to B | 2012-04-27 | Memphis Thunder Spring Invitational |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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.
IMX / IMR
IMX 13-14 · SCY
708 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:10.09 | 708 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1349 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 59.91 | 711 |
| 100 FL SCY | 1:01.41 | 638 |
| 200 FR 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
100 Freestyle SCY 54.21
Front half 25.74s · back half 28.47s
100 Backstroke SCY 59.91 split/total mismatch
Front half 28.57s · back half 31.34s
200 Backstroke SCY 2:10.09 split/total mismatch
Front half 32.05s · back half 98.04s
100 Butterfly SCY 1:01.41
Front half 28.60s · back half 32.81s
Progression
Faster times are higher. One card per event, all courses & history.