Lingming Zeng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.09 | BB+1.00s to A·+5.90s to Sectionals | 2024-11-23 | 2024 PN November AGI, Division 1 PDSTvenue |
| 100 Freestyle | SCY | 1:04.88 | BB+3.59s to A·+13.89s to Sectionals | 2024-10-06 | 2024 PN OCA October Original Invitationalvenue |
| 500 Freestyle | SCY | 6:23.56 | BB+23.57s to A·+80.87s to Sectionals | 2024-11-17 | 2024 PN IST November Invitationalvenue |
| 1650 Freestyle | SCY | 22:35.03 | BB+96.24s to A·+298.14s to Sectionals | 2024-11-16 | 2024 PN IST November Invitationalvenue |
| 50 Backstroke | SCY | 34.65 | BB+1.96s to A·+10.96s to Futures | 2024-10-19 | 2024 PN IST Fall Openvenue |
| 100 Backstroke | SCY | 1:15.64 | BB+6.35s to A·+20.15s to Sectionals | 2024-10-06 | 2024 PN OCA October Original Invitationalvenue |
| 50 Breaststroke | SCY | 38.59 | BB+1.90s to A·+12.30s to Futures | 2024-12-15 | 2024 PN 14 & Under SC Champsvenue |
| 100 Breaststroke | SCY | 1:23.89 | BB+5.50s to A·+20.70s to Sectionals | 2024-11-23 | 2024 PN November AGI, Division 1 PDSTvenue |
| 200 Breaststroke | SCY | 3:06.22 | B+3.83s to BB·+48.93s to Sectionals | 2024-11-24 | 2024 PN November AGI, Division 1 PDSTvenue |
| 50 Butterfly | SCY | 35.67 | B+1.48s to BB·+12.78s to Futures | 2024-11-03 | 2024 PN C Pentathlonvenue |
| 100 Butterfly | SCY | 1:23.07 | +0.18s to B·+27.88s to Sectionals | 2024-10-06 | 2024 PN OCA October Original Invitationalvenue |
| 100 Individual Medley | SCY | 1:13.46 | BB+3.47s to A | 2024-12-15 | 2024 PN 14 & Under SC Champsvenue |
| 200 Individual Medley | SCY | 2:42.65 | BB+10.36s to A·+38.66s to Sectionals | 2024-11-24 | 2024 PN November AGI, Division 1 PDSTvenue |
| 400 Individual Medley | SCY | 5:53.26 | B+2.77s to BB·+88.57s to Sectionals | 2024-11-17 | 2024 PN IST November Invitationalvenue |
| 50 Freestyle | LCM | 33.09 | BB+1.00s to A·+6.10s to Sectionals | 2025-05-17 | 2025 PN IST Sockeye Springtime Madnessvenue |
| 100 Freestyle | LCM | 1:14.78 | BB+4.39s to A·+15.79s to Sectionals | 2024-06-30 | 2024 PN SMAC Summer Classic Invitationalvenue |
| 200 Freestyle | LCM | 2:49.27 | B+2.88s to BB·+40.58s to Sectionals | 2024-06-30 | 2024 PN SMAC Summer Classic Invitationalvenue |
| 50 Backstroke | LCM | 39.32 | BB+1.53s to A·+11.43s to Futures | 2025-05-18 | 2025 PN IST Sockeye Springtime Madnessvenue |
| 100 Backstroke | LCM | 1:24.68 | BB+2.79s to A·+19.49s to Sectionals | 2025-05-17 | 2025 PN IST Sockeye Springtime Madnessvenue |
| 50 Breaststroke | LCM | 44.78 | BB+2.79s to A·+13.89s to Futures | 2025-05-17 | 2025 PN IST Sockeye Springtime Madnessvenue |
| 100 Breaststroke | LCM | 1:38.88 | BB+7.59s to A·+25.18s to Sectionals | 2025-05-18 | 2025 PN IST Sockeye Springtime Madnessvenue |
| 200 Breaststroke | LCM | 3:37.10 | B+5.51s to BB·+56.22s to Sectionals | 2025-07-12 | 2025 PN OCA July Jamboree Invitationalvenue |
| 50 Butterfly | LCM | 41.11 | B+2.42s to BB·+14.82s to Futures | 2025-05-18 | 2025 PN IST Sockeye Springtime Madnessvenue |
| 100 Butterfly | LCM | 1:57.51 | +22.42s to B·+54.42s to Sectionals | 2023-06-03 | 2023 TRI-CITY INVITEvenue |
| 200 Individual Medley | LCM | 3:09.29 | BB+15.10s to A·+44.60s to Sectionals | 2024-07-26 | 2024 PN LC 14&U Champsvenue |
| 400 Individual Medley | LCM | 6:44.37 | BB+28.98s to A·+96.58s to Sectionals | 2025-05-16 | 2025 PN IST Sockeye Springtime Madnessvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.47 | flat | 200 Free Relay | 2024-03-03 | 2024 PN PDST March Pentathlon and Last Chance |
| 50 Freestyle | SCY | 30.26 | flying | 200 Free Relay (leg 3) | 2024-12-14 | 2024 PN 14 & Under SC Champs |
| 50 Freestyle | SCY | 29.33 | flying | 200 Medley Relay (leg 4) | 2024-12-13 | 2024 PN 14 & Under SC Champs |
| 100 Freestyle | SCY | 1:04.15 | flying | 400 Medley Relay (leg 4) | 2024-12-14 | 2024 PN 14 & Under SC Champs |
| 100 Freestyle | SCY | 1:07.31 | flying | 400 Free Relay (leg 3) | 2024-12-15 | 2024 PN 14 & Under SC Champs |
| 50 Breaststroke | SCY | 45.21 | flying | 200 Medley Relay (leg 2) | 2024-03-03 | 2024 PN PDST March Pentathlon and Last Chance |
| 50 Freestyle | LCM | 34.61 | flying | 200 Medley Relay (leg 4) | 2023-08-04 | 2023 Western Zone Age Group Championships |
| 50 Freestyle | LCM | 32.93 | flying | 200 Free Relay (leg 3) | 2024-07-27 | 2024 PN LC 14&U Champs |
| 50 Backstroke | LCM | 39.19 | flat | 200 Medley Relay | 2024-07-27 | 2024 PN LC 14&U Champs |
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 11-12 · SCY
2460 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:23.56 | 553 |
| 100 BK SCY | 1:15.64 | 486 |
| 100 BR SCY | 1:23.89 | 527 |
| 100 FL SCY | 1:23.07 | 359 |
| 200 IM SCY | 2:42.65 | 535 |
IMR 11-12 · LCM
2494 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:49.27 | 500 |
| 50 BK LCM | 39.32 | 569 |
| 50 BR LCM | 44.78 | 523 |
| 50 FL LCM | 41.11 | 399 |
| 200 IM LCM | 3:09.29 | 503 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:04.88
Front half 31.14s · back half 33.74s
500 Freestyle SCY 6:23.56
Front half 189.45s · back half 194.11s
1650 Freestyle SCY 22:35.03
100 Backstroke SCY 1:15.64
Front half 38.22s · back half 37.42s
100 Breaststroke SCY 1:23.89
Front half 40.44s · back half 43.45s
200 Breaststroke SCY 3:06.22
Front half 91.93s · back half 94.29s
100 Butterfly SCY 1:23.07
Front half 38.03s · back half 45.04s
100 Individual Medley SCY 1:13.46
Front half 35.24s · back half 38.22s
200 Individual Medley SCY 2:42.65
Front half 78.42s · back half 84.23s
400 Individual Medley SCY 5:53.26
Front half 176.07s · back half 177.19s
200 Freestyle LCM 2:49.27
Front half 80.25s · back half 89.02s
200 Breaststroke LCM 3:37.10 RT 0.72s
Front half 102.18s · back half 114.92s
200 Individual Medley LCM 3:09.29
Front half 89.20s · back half 100.09s
400 Individual Medley LCM 6:44.37 RT 0.74s
Front half 196.95s · back half 207.42s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.