swimBilly Niu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.71 | BB+1.02s to A·+4.52s to Sectionals | 2026-01-24 | 2026 Zone 1 North Championshipsvenue |
| 100 Freestyle | SCY | 1:02.42 | BB+4.53s to A·+11.43s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 200 Freestyle | SCY | 2:14.46 | BB+7.77s to A·+22.67s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 100 Backstroke | SCY | 1:16.15 | +1.76s to B·+20.66s to Sectionals | 2026-03-28 | Alto Rock the Blocks Invitational 2026venue |
| 100 Breaststroke | SCY | 1:25.65 | +1.36s to B·+22.46s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 100 Butterfly | SCY | 1:18.37 | +4.58s to B·+23.18s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 200 Individual Medley | SCY | 2:44.62 | B+11.73s to BB·+40.63s to Sectionals | 2026-03-07 | DACA CBA meetvenue |
| 100 Freestyle | LCM | 1:08.72 | BB+1.63s to A·+9.73s to Sectionals | 2026-05-03 | Alto Spring Jam CBAvenue |
| 200 Freestyle | LCM | 2:35.82 | BB+10.13s to A·+27.13s to Sectionals | 2026-05-02 | Alto Spring Jam CBAvenue |
| 200 Backstroke | LCM | 3:01.86 | B+5.67s to BB·+40.37s to Sectionals | 2026-05-02 | Alto Spring Jam CBAvenue |
| 100 Breaststroke | LCM | 1:38.09 | +0.90s to B·+24.39s to Sectionals | 2026-05-03 | Alto Spring Jam CBAvenue |
| 200 Individual Medley | LCM | 3:00.93 | B+4.14s to BB·+36.24s to Sectionals | 2026-05-03 | Alto Spring Jam CBAvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 28.69 | flying | 200 Medley Relay (leg 4) | 2026-03-29 | Alto Rock the Blocks Invitational 2026 |
| 50 Freestyle | SCY | 27.81 | flying | 200 Free Relay (leg 4) | 2026-03-28 | Alto Rock the Blocks Invitational 2026 |
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 13-14 · LCM
855 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 3:01.86 | 420 |
| 200 IM LCM | 3:00.93 | 435 |
| 400 FR LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 13-14 · SCY
1877 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:14.46 | 502 |
| 100 BK SCY | 1:16.15 | 346 |
| 100 BR SCY | 1:25.65 | 350 |
| 100 FL SCY | 1:18.37 | 307 |
| 200 IM SCY | 2:44.62 | 372 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 1:16.15
Front half 37.42s · back half 38.73s
200 Freestyle LCM 2:35.82
Front half 75.30s · back half 80.52s
200 Backstroke LCM 3:01.86
Front half 89.19s · back half 92.67s
200 Individual Medley LCM 3:00.93
Front half 87.35s · back half 93.58s
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.