Billy Sanderson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.13 | AAAA·Futures ✓+0.64s to Winter JNs | 2026-03-20 | 2026 MR YMCA NYS State Championships |
| 100 Freestyle | SCY | 46.37 | AAAA·Futures ✓+1.48s to Winter JNs | 2026-03-20 | 2026 MR YMCA NYS State Championships |
| 200 Freestyle | SCY | 1:43.17 | AAA+0.98s to AAAA·Sectionals ✓+1.58s to Futures | 2026-03-20 | 2026 MR YMCA NYS State Championships |
| 500 Freestyle | SCY | 5:21.40 | BB+3.91s to A·+34.01s to Sectionals | 2026-03-20 | 2026 MR YMCA NYS State Championships |
| 100 Butterfly | SCY | 52.54 | AAA+2.05s to AAAA·Sectionals ✓+1.95s to Futures | 2026-03-20 | 2026 MR YMCA NYS State Championships |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 15-16 · SCY
635 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:21.40 | 635 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
1848 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:43.17 | 966 |
| 100 FL SCY | 52.54 | 882 |
| 100 BK SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 200 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 1:43.17
Front half 50.55s · back half 52.62s
500 Freestyle SCY 5:21.40 split/total mismatch
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.