Isaac Zheng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.59 | A+1.00s to AA | 2020-01-18 | 2020 Jim Scullion Age Group Showdown venue |
| 100 Freestyle | SCY | 58.46 | BB+0.57s to A | 2020-02-23 | 2020 Regional Age Group Championship Meet venue |
| 200 Freestyle | SCY | 2:13.82 | BB+7.13s to A | 2020-01-19 | 2020 Jim Scullion Age Group Showdown venue |
| 500 Freestyle | SCY | 6:09.50 | BB+27.81s to A | 2020-02-23 | 2020 Regional Age Group Championship Meet venue |
| 50 Backstroke | SCY | 32.31 | BB+1.92s to A | 2020-01-05 | 2020 FAB 50s Meet slow pool |
| 100 Backstroke | SCY | 1:09.19 | B+0.10s to BB | 2019-12-15 | 2019 Winter Breakout Meet slow pool |
| 50 Breaststroke | SCY | 39.70 | B+2.11s to BB | 2019-11-17 | 2019 Fall Breakout Meet slow pool |
| 100 Breaststroke | SCY | 1:32.83 | +8.54s to B | 2019-12-15 | 2019 Winter Breakout Meet slow pool |
| 50 Butterfly | SCY | 30.89 | BB+1.20s to A | 2019-12-15 | 2019 Winter Breakout Meet slow pool |
| 100 Individual Medley | SCY | 1:11.95 | 2020-01-05 | 2020 FAB 50s Meet slow pool | |
| 200 Individual Medley | SCY | 2:37.21 | B+4.32s to BB | 2019-12-15 | 2019 Winter Breakout Meet slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.52 | flying | 200 Free Relay (leg 3) | 2019-10-27 | Stevie Grieshammer High School Preview Meet |
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 13-14 · SCY
907 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:09.50 | 479 |
| 200 IM SCY | 2:37.21 | 428 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1674 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:13.82 | 509 |
| 100 BK SCY | 1:09.19 | 462 |
| 100 BR SCY | 1:32.83 | 275 |
| 200 IM SCY | 2:37.21 | 428 |
| 100 FL 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 58.46
Front half 27.71s · back half 30.75s
200 Freestyle SCY 2:13.82
Front half 62.64s · back half 71.18s
500 Freestyle SCY 6:09.50
Front half 180.25s · back half 189.25s
100 Backstroke SCY 1:09.19
Front half 33.89s · back half 35.30s
100 Breaststroke SCY 1:32.83
Front half 42.87s · back half 49.96s
100 Individual Medley SCY 1:11.95
Front half 32.19s · back half 39.76s
200 Individual Medley SCY 2:37.21
Front half 71.91s · back half 85.30s
Progression
Faster times are higher. One card per event, all courses & history.