swimJonathan Chang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.77 | AAA+0.68s to AAAA·Sectionals ✓+0.48s to Futures | 2023-03-25 | 2023 EZ Southern Region Speedo Champ Series venue |
| 100 Freestyle | SCY | 47.70 | AAA+1.61s to AAAA·Sectionals ✓+1.31s to Futures | 2023-03-26 | 2023 EZ Southern Region Speedo Champ Series venue |
| 200 Freestyle | SCY | 1:48.21 | AA+1.82s to AAA·+1.92s to Sectionals | 2023-03-24 | 2023 EZ Southern Region Speedo Champ Series venue |
| 100 Backstroke | SCY | 55.45 | A+0.56s to AA·+0.96s to Sectionals | 2023-03-25 | 2023 EZ Southern Region Speedo Champ Series venue |
| 100 Butterfly | SCY | 53.06 | AA+1.07s to AAA·Sectionals ✓+2.47s to Futures | 2023-03-24 | 2023 EZ Southern Region Speedo Champ Series venue |
| 200 Individual Medley | SCY | 1:58.46 | AA+0.97s to AAA·Sectionals ✓+4.57s to Futures | 2023-03-26 | 2023 EZ Southern Region Speedo Champ Series venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 21.34 | flying | 200 Free Relay (leg 4) | 2023-03-26 | 2023 EZ Southern Region Speedo Champ Series |
| 100 Freestyle | SCY | 48.11 | flying | 400 Free Relay (leg 4) | 2023-03-25 | 2023 EZ Southern Region Speedo Champ Series |
| 200 Freestyle | SCY | 1:47.26 | flying | 800 Free Relay (leg 4) | 2023-03-24 | 2023 EZ Southern Region Speedo Champ Series |
| 50 Backstroke | SCY | 25.37 | flat | 200 Medley Relay | 2023-03-25 | 2023 EZ Southern Region Speedo Champ Series |
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 17-18 · SCY
813 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM SCY | 1:58.46 | 813 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
3082 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:48.21 | 793 |
| 100 BK SCY | 55.45 | 685 |
| 100 FL SCY | 53.06 | 791 |
| 200 IM SCY | 1:58.46 | 813 |
| 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 47.70
Front half 23.18s · back half 24.52s
200 Freestyle SCY 1:48.21
Front half 53.30s · back half 54.91s
100 Backstroke SCY 55.45
Front half 26.97s · back half 28.48s
100 Butterfly SCY 53.06
Front half 25.18s · back half 27.88s
200 Individual Medley SCY 1:58.46
Front half 55.57s · back half 62.89s
Progression
Faster times are higher. One card per event, all courses & history.