swimJefferson Zhang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 42.50 | +4.21s to B·+19.31s to Sectionals | 2025-12-13 | 2025 CO FAST Bill Spahn Mid Season Finalevenue |
| 100 Freestyle | SCY | 1:47.93 | +19.44s to B·+56.94s to Sectionals | 2025-01-01 | Colorado Swimming Championship Meet |
| 200 Freestyle | SCY | 3:45.60 | +36.01s to B·+113.81s to Sectionals | 2025-12-14 | 2025 CO FAST Bill Spahn Mid Season Finalevenue |
| 50 Backstroke | SCY | 53.49 | +5.00s to B·+29.80s to Futures | 2025-01-01 | Colorado Swimming Championship Meet |
| 100 Backstroke | SCY | 2:01.60 | +20.51s to B·+66.11s to Sectionals | 2025-12-14 | 2025 CO FAST Bill Spahn Mid Season Finalevenue |
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.
IMX / IMR
IMX 10 & under · SCY
385 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:45.60 | 203 |
| 100 BK SCY | 2:01.60 | 182 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
394 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:47.93 | 177 |
| 50 BK SCY | 53.49 | 217 |
| 50 BR SCY | — | 0 |
| 50 FL SCY | — | 0 |
| 100 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 3:45.60
Front half 112.98s · back half 112.62s
100 Backstroke SCY 2:01.60
Front half 59.52s · back half 62.08s
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.