swimIsaac Zheng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 21.98 | 2024-10-18 | 2024 Boo Bash Invitational | |
| 50 Freestyle | SCY | 26.18 | BB+0.59s to A | 2024-12-14 | 2024 Holiday Cup |
| 100 Freestyle | SCY | 59.16 | BB+3.37s to A | 2026-03-08 | 2026 Michigan YMCA State Championship fast pool |
| 200 Freestyle | SCY | 2:21.83 | B+9.44s to BB | 2025-12-07 | EGRA 2025 Winter Washout venue |
| 100 Backstroke | SCY | 1:22.10 | +10.71s to B | 2025-12-07 | EGRA 2025 Winter Washout venue |
| 50 Butterfly | SCY | 28.74 | BB+0.35s to A | 2026-02-22 | 2026 Michigan YMCA Clusters Championship venue |
| 100 Butterfly | SCY | 1:07.85 | B+2.36s to BB | 2026-03-08 | 2026 Michigan YMCA State Championship fast pool |
| 100 Individual Medley | SCY | 1:15.68 | 2025-02-22 | 2025 Michigan YMCA State Championship venue | |
| 200 Individual Medley | SCY | 2:57.34 | +19.35s to B | 2025-12-06 | EGRA 2025 Winter Washout venue |
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.38 | flat | 200 Free Relay | 2026-03-07 | 2026 Michigan YMCA State Championship |
| 50 Butterfly | SCY | 30.05 | flying | 200 Medley Relay (leg 3) | 2024-12-14 | 2024 Holiday Cup |
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
298 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM SCY | 2:57.34 | 298 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1475 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:21.83 | 428 |
| 100 BK SCY | 1:22.10 | 276 |
| 100 FL SCY | 1:07.85 | 473 |
| 200 IM SCY | 2:57.34 | 298 |
| 100 BR 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 59.16
Front half 27.64s · back half 31.52s
200 Freestyle SCY 2:21.83
Front half 67.00s · back half 74.83s
100 Backstroke SCY 1:22.10
Front half 40.21s · back half 41.89s
100 Butterfly SCY 1:07.85
Front half 30.95s · back half 36.90s
100 Individual Medley SCY 1:15.68
Front half 33.89s · back half 41.79s
200 Individual Medley SCY 2:57.34
Front half 80.04s · back half 97.30s
Progression
Faster times are higher. One card per event, all courses & history.