swimQifeng Zeng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 33.59 | BB+2.40s to A | 2026-06-20 | 2026 CA HVDA June Beat the Heat BB Max SC venue |
| 100 Freestyle | SCY | 1:14.98 | BB+4.79s to A | 2026-06-20 | 2026 CA HVDA June Beat the Heat BB Max SC venue |
| 200 Freestyle | SCY | 2:48.57 | BB+16.88s to A | 2026-06-21 | 2026 CA HVDA June Beat the Heat BB Max SC venue |
| 50 Backstroke | SCY | 41.89 | BB+4.10s to A | 2026-06-20 | 2026 CA HVDA June Beat the Heat BB Max SC venue |
| 100 Backstroke | SCY | 1:42.02 | +0.93s to B | 2026-03-22 | 2026 CA CHAWP BB/B/C Short Course Meet - venue |
| 50 Breaststroke | SCY | 49.84 | B+2.05s to BB | 2026-05-16 | 2026 CA STAR 1 Day May BB Max SC Meet slow pool |
| 100 Breaststroke | SCY | 1:46.05 | B+2.46s to BB | 2026-06-21 | 2026 CA HVDA June Beat the Heat BB Max SC venue |
| 50 Butterfly | SCY | 45.22 | B+3.93s to BB | 2026-06-21 | 2026 CA HVDA June Beat the Heat BB Max SC venue |
| 100 Butterfly | SCY | 2:01.62 | +7.73s to B | 2026-02-15 | 2026 CA TCC BB/B/C Short Course Meet venue |
| 100 Individual Medley | SCY | 1:36.79 | B+7.00s to BB | 2026-05-16 | 2026 CA STAR 1 Day May BB Max SC Meet slow pool |
| 200 Individual Medley | SCY | 3:41.73 | +3.14s to B | 2026-03-21 | 2026 CA CHAWP BB/B/C Short Course Meet - venue |
| 50 Freestyle | LCM | 39.63 | BB+3.94s to A | 2026-06-06 | 2026 CA YST A/BB/B LC Meet venue |
| 100 Freestyle | LCM | 1:27.95 | BB+7.76s to A | 2026-06-07 | 2026 CA YST A/BB/B LC Meet venue |
| 200 Freestyle | LCM | 3:19.48 | B+4.09s to BB | 2026-06-06 | 2026 CA YST A/BB/B LC Meet venue |
| 50 Backstroke | LCM | 46.99 | BB+3.90s to A | 2026-06-07 | 2026 CA YST A/BB/B LC Meet venue |
| 50 Breaststroke | LCM | 55.10 | B+0.71s to BB | 2026-06-06 | 2026 CA YST A/BB/B LC Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 36.49 | flat | 200 Free Relay | 2026-06-20 | 2026 CA HVDA June Beat the Heat BB Max SC |
| 50 Freestyle | SCY | 32.29 | flying | 200 Free Relay (leg 4) | 2025-10-04 | 2025 CA Otterfest C Meet |
| 50 Backstroke | SCY | 44.43 | flat | 200 Medley Relay | 2026-06-21 | 2026 CA HVDA June Beat the Heat BB Max SC |
| 50 Freestyle | LCM | 37.11 | flying | 200 Free Relay (leg 2) | 2026-06-13 | ARMADA-2026 SCS June AG Invite |
| 50 Freestyle | LCM | 37.95 | flying | 200 Medley Relay (leg 4) | 2026-06-07 | 2026 CA YST A/BB/B LC 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 10 & under · SCY
1709 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:48.57 | 487 |
| 100 BK SCY | 1:42.02 | 309 |
| 100 BR SCY | 1:46.05 | 410 |
| 100 FL SCY | 2:01.62 | 188 |
| 200 IM SCY | 3:41.73 | 315 |
IMR 10 & under · SCY
2061 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:14.98 | 530 |
| 50 BK SCY | 41.89 | 453 |
| 50 BR SCY | 49.84 | 389 |
| 50 FL SCY | 45.22 | 315 |
| 100 IM SCY | 1:36.79 | 374 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:14.98
Front half 34.47s · back half 40.51s
200 Freestyle SCY 2:48.57
Front half 79.24s · back half 89.33s
100 Backstroke SCY 1:42.02
Front half 50.92s · back half 51.10s
100 Breaststroke SCY 1:46.05
Front half 51.48s · back half 54.57s
100 Butterfly SCY 2:01.62
Front half 58.13s · back half 63.49s
100 Individual Medley SCY 1:36.79
Front half 47.55s · back half 49.24s
200 Individual Medley SCY 3:41.73
Front half 114.06s · back half 107.67s
100 Freestyle LCM 1:27.95
Front half 41.16s · back half 46.79s
200 Freestyle LCM 3:19.48
Front half 92.22s · back half 107.26s
Progression
Faster times are higher. One card per event, all courses & history.