swimZachary Zeng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.56 | AAA+0.97s to AAAA | 2026-02-22 | 2026 ST AAAA SC STAGS fast pool |
| 100 Freestyle | SCY | 1:03.32 | AAA+2.23s to AAAA | 2026-02-21 | 2026 ST AAAA SC STAGS fast pool |
| 200 Freestyle | SCY | 2:25.31 | AA+6.22s to AAA | 2026-02-01 | 2026 ST WLOO February Splash venue |
| 500 Freestyle | SCY | 6:42.13 | A+15.34s to AA | 2025-12-05 | 2025 ST LSAC 5th Annual Graceland venue |
| 50 Backstroke | SCY | 33.32 | AAA+0.93s to AAAA | 2026-02-20 | 2026 ST AAAA SC STAGS fast pool |
| 100 Backstroke | SCY | 1:13.11 | AA+0.32s to AAA | 2026-02-21 | 2026 ST AAAA SC STAGS fast pool |
| 50 Breaststroke | SCY | 39.02 | AA+0.73s to AAA | 2026-02-22 | 2026 ST AAAA SC STAGS fast pool |
| 100 Breaststroke | SCY | 1:22.83 | AAA+3.14s to AAAA | 2026-02-20 | 2026 ST AAAA SC STAGS fast pool |
| 50 Butterfly | SCY | 32.70 | AA+0.11s to AAA | 2025-12-06 | 2025 ST LSAC 5th Annual Graceland venue |
| 100 Butterfly | SCY | 1:16.01 | AA+1.12s to AAA | 2026-02-01 | 2026 ST WLOO February Splash venue |
| 100 Individual Medley | SCY | 1:09.39 | AAAA | 2025-02-21 | 2025 ST AAAA STAGS Championship |
| 200 Individual Medley | SCY | 2:41.73 | AA+3.34s to AAA | 2026-02-01 | 2026 ST WLOO February Splash venue |
| 50 Freestyle | LCM | 31.70 | AAA+0.01s to AAAA | 2026-06-19 | 2026 ST ASC Firecracker venue |
| 100 Freestyle | LCM | 1:09.97 | AAA+0.18s to AAAA | 2026-06-21 | 2026 ST ASC Firecracker venue |
| 200 Freestyle | LCM | 2:39.92 | AA+0.73s to AAA | 2026-06-19 | 2026 ST ASC Firecracker venue |
| 400 Freestyle | LCM | 5:48.98 | AA+12.39s to AAA | 2026-05-22 | 2026 ST ASC Spring Showcase venue |
| 50 Backstroke | LCM | 38.01 | AAA+1.02s to AAAA | 2026-06-21 | 2026 ST ASC Firecracker venue |
| 100 Backstroke | LCM | 1:24.67 | AA+0.58s to AAA | 2026-04-19 | 2026 ST WLOO Classic venue |
| 50 Breaststroke | LCM | 43.62 | AA+0.03s to AAA | 2026-06-12 | 2026 ST TXLA Texas Open Invite venue |
| 100 Breaststroke | LCM | 1:35.59 | AAA+3.70s to AAAA | 2026-05-24 | 2026 ST ASC Spring Showcase venue |
| 50 Butterfly | LCM | 35.39 | AAA+0.70s to AAAA | 2026-06-19 | 2026 ST ASC Firecracker venue |
| 100 Butterfly | LCM | 1:25.55 | AA+0.36s to AAA | 2026-05-24 | 2026 ST ASC Spring Showcase venue |
| 200 Individual Medley | LCM | 2:59.27 | AAA+6.78s to AAAA | 2026-06-21 | 2026 ST ASC Firecracker venue |
| 400 Individual Medley | LCM | 6:36.71 | 2026-06-07 | 2026 ST ASC June Bug fast pool |
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 | 32.25 | flat | 200 Free Relay | 2025-02-08 | 2025 ST AQTX STX Champs North |
| 50 Freestyle | SCY | 31.87 | flying | 200 Free Relay (leg 3) | 2025-02-21 | 2025 ST AAAA STAGS Championship |
| 100 Freestyle | SCY | 1:16.18 | flying | 400 Free Relay (leg 4) | 2025-02-22 | 2025 ST AAAA STAGS Championship |
| 50 Breaststroke | SCY | 42.57 | flying | 200 Medley Relay (leg 2) | 2025-02-23 | 2025 ST AAAA STAGS Championship |
| 50 Freestyle | LCM | 34.68 | flat | 200 Free Relay | 2025-07-20 | 2025 Texas Age Group Championships |
| 100 Freestyle | LCM | 1:19.70 | flying | 400 Free Relay (leg 2) | 2025-07-18 | 2025 Texas Age Group Championships |
| 50 Backstroke | LCM | 41.45 | flat | 200 Medley Relay | 2025-07-19 | 2025 Texas 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 · LCM
4269 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:39.92 | 853 |
| 100 BK LCM | 1:24.67 | 843 |
| 100 BR LCM | 1:35.59 | 882 |
| 100 FL LCM | 1:25.55 | 805 |
| 200 IM LCM | 2:59.27 | 886 |
IMR 10 & under · LCM
4600 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:09.97 | 992 |
| 50 BK LCM | 38.01 | 921 |
| 50 BR LCM | 43.62 | 860 |
| 50 FL LCM | 35.39 | 941 |
| 200 IM LCM | 2:59.27 | 886 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.32
Front half 31.06s · back half 32.26s
500 Freestyle SCY 6:42.13
Front half 199.73s · back half 202.40s
100 Backstroke SCY 1:13.11
Front half 35.63s · back half 37.48s
100 Breaststroke SCY 1:22.83
Front half 40.48s · back half 42.35s
100 Individual Medley SCY 1:09.39
100 Freestyle LCM 1:09.97
Front half 33.02s · back half 36.95s
200 Freestyle LCM 2:39.92
Front half 78.16s · back half 81.76s
400 Freestyle LCM 5:48.98
Front half 170.55s · back half 178.43s
100 Breaststroke LCM 1:35.59
Front half 46.66s · back half 48.93s
100 Butterfly LCM 1:25.55
Front half 38.34s · back half 47.21s
200 Individual Medley LCM 2:59.27
Front half 87.07s · back half 92.20s
400 Individual Medley LCM 6:36.71
Front half 194.18s · back half 202.53s
Progression
Faster times are higher. One card per event, all courses & history.