swimBilly Sanderson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.48 | AAA+0.09s to AAAA | 2026-04-02 | 2026 YMCA Short Course Nationals fast pool |
| 100 Freestyle | SCY | 46.62 | AAAA | 2026-04-03 | 2026 YMCA Short Course Nationals fast pool |
| 200 Freestyle | SCY | 1:44.21 | AAA+2.02s to AAAA | 2026-04-01 | 2026 YMCA Short Course Nationals fast pool |
| 100 Butterfly | SCY | 52.82 | AAA+2.33s to AAAA | 2026-03-31 | 2026 YMCA Short Course Nationals fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
IMX / IMR
IMR 15-16 · SCY
1805 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:44.21 | 937 |
| 100 FL SCY | 52.82 | 868 |
| 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
100 Freestyle SCY 46.62 RT 0.71s
Front half 22.21s · back half 24.41s
200 Freestyle SCY 1:44.21 RT 0.69s
Front half 50.39s · back half 53.82s
100 Butterfly SCY 52.82 RT 0.70s
Front half 24.08s · back half 28.74s
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.
Progression
Faster times are higher. One card per event, all courses & history.