swimJonathan Zou
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 34.50 | BB+3.31s to A·+11.31s to Sectionals | 2025-12-19 | 2025 LOSC Holiday Intrasquadvenue |
| 100 Freestyle | SCY | 1:17.12 | BB+6.93s to A·+26.13s to Sectionals | 2026-05-09 | 2026 Spring Sprinter Invitationalvenue |
| 200 Freestyle | SCY | 2:53.84 | B+3.15s to BB·+62.05s to Sectionals | 2026-01-28 | 2026 January LOSC Intrasquadvenue |
| 50 Backstroke | SCY | 41.30 | BB+3.51s to A·+17.61s to Futures | 2026-01-28 | 2026 January LOSC Intrasquadvenue |
| 100 Backstroke | SCY | 1:29.81 | BB+9.92s to A·+34.32s to Sectionals | 2026-02-22 | 2026 Arena Short Course 10&U Championshipsvenue |
| 50 Breaststroke | SCY | 51.49 | B+3.70s to BB·+25.20s to Futures | 2026-01-04 | 2026 CST Shark Chase Invitationalvenue |
| 50 Butterfly | SCY | 42.66 | B+1.37s to BB·+19.77s to Futures | 2025-08-02 | Mallard Nation Invitationalvenue |
| 100 Butterfly | SCY | 1:36.02 | BB+11.43s to A·+40.83s to Sectionals | 2026-02-21 | 2026 Arena Short Course 10&U Championshipsvenue |
| 100 Individual Medley | SCY | 1:32.64 | B+2.85s to BB | 2026-01-04 | 2026 CST Shark Chase Invitationalvenue |
| 200 Individual Medley | SCY | 3:13.02 | BB+19.53s to A·+69.03s to Sectionals | 2026-02-22 | 2026 Arena Short Course 10&U Championshipsvenue |
| 50 Freestyle | LCM | 40.27 | B+0.48s to BB·+13.28s to Sectionals | 2026-05-23 | 2026 THSC Memorial Weekend Meetvenue |
| 100 Freestyle | LCM | 1:34.63 | B+3.94s to BB·+35.64s to Sectionals | 2026-05-24 | 2026 THSC Memorial Weekend Meetvenue |
| 200 Freestyle | LCM | 3:19.35 | B+3.96s to BB·+70.66s to Sectionals | 2026-05-23 | 2026 THSC Memorial Weekend Meetvenue |
| 50 Backstroke | LCM | 49.03 | BB+5.94s to A·+21.14s to Futures | 2026-05-24 | 2026 THSC Memorial Weekend Meetvenue |
| 100 Backstroke | LCM | 1:43.69 | BB+11.40s to A·+38.50s to Sectionals | 2026-05-23 | 2026 THSC Memorial Weekend Meetvenue |
| 50 Breaststroke | LCM | 1:01.87 | +0.98s to B·+30.98s to Futures | 2025-06-29 | 2025 Howard Jones Openvenue |
| 50 Butterfly | LCM | 54.62 | +2.33s to B·+28.33s to Futures | 2025-06-07 | 2025 THSC June Invitationalvenue |
| 100 Butterfly | LCM | 1:54.65 | B+1.76s to BB·+51.56s to Sectionals | 2026-05-24 | 2026 THSC Memorial Weekend Meetvenue |
| 200 Individual Medley | LCM | 4:13.46 | +3.57s to B·+108.77s to Sectionals | 2025-06-29 | 2025 Howard Jones Openvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 35.87 | flying | 200 Medley Relay (leg 4) | 2026-02-21 | 2026 Arena Short Course 10&U Championships |
| 50 Freestyle | SCY | 36.49 | flying | 200 Free Relay (leg 2) | 2025-09-20 | 2025 LOSC September Intrasquad 1 |
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
1757 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:53.84 | 444 |
| 100 BK SCY | 1:29.81 | 453 |
| 100 FL SCY | 1:36.02 | 383 |
| 200 IM SCY | 3:13.02 | 477 |
| 100 BR SCY | — | 0 |
IMR 10 & under · SCY
2115 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:17.12 | 487 |
| 50 BK SCY | 41.30 | 473 |
| 50 BR SCY | 51.49 | 353 |
| 50 FL SCY | 42.66 | 375 |
| 100 IM SCY | 1:32.64 | 427 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:17.12
Front half 35.81s · back half 41.31s
200 Freestyle SCY 2:53.84
Front half 82.53s · back half 91.31s
100 Backstroke SCY 1:29.81
Front half 43.56s · back half 46.25s
100 Butterfly SCY 1:36.02
Front half 42.80s · back half 53.22s
100 Individual Medley SCY 1:32.64
Front half 44.78s · back half 47.86s
200 Individual Medley SCY 3:13.02
Front half 90.18s · back half 102.84s
100 Freestyle LCM 1:34.63
Front half 44.75s · back half 49.88s
200 Freestyle LCM 3:19.35
Front half 98.35s · back half 101.00s
100 Backstroke LCM 1:43.69
Front half 51.01s · back half 52.68s
100 Butterfly LCM 1:54.65
Front half 49.68s · back half 64.97s
200 Individual Medley LCM 4:13.46
Front half 124.91s · back half 128.55s
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.