swimPreston Macenczak
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 37.89 | +3.80s to B | 2025-10-04 | GA 2025 Pentathlon slow pool |
| 50 Backstroke | SCY | 44.01 | +5.22s to B | 2025-10-04 | GA 2025 Pentathlon slow pool |
| 50 Breaststroke | SCY | 45.73 | +1.74s to B | 2025-10-04 | GA 2025 Pentathlon slow pool |
| 50 Butterfly | SCY | 46.92 | +9.93s to B | 2025-10-04 | GA 2025 Pentathlon slow pool |
| 100 Individual Medley | SCY | 1:34.17 | +8.88s to B | 2025-10-04 | GA 2025 Pentathlon slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 11-12 · SCY
1180 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 44.01 | 288 |
| 50 BR SCY | 45.73 | 375 |
| 50 FL SCY | 46.92 | 205 |
| 100 IM SCY | 1:34.17 | 312 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Individual Medley SCY 1:34.17
Front half 46.27s · back half 47.90s
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.