David Grzybowski
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 20.31 | 2025-10-04 | ECAT October Invitational venue | |
| 50 Freestyle | SCY | 46.36 | +8.07s to B | 2026-01-24 | ECAT Last Chance Invitational 2026 venue |
| 100 Freestyle | SCY | 1:40.34 | +11.85s to B | 2025-11-22 | ECAT FPJ Memorial Invitational 2025 venue |
| 25 Backstroke | SCY | 25.67 | 2026-01-24 | ECAT Last Chance Invitational 2026 venue | |
| 50 Backstroke | SCY | 52.79 | +4.30s to B | 2026-03-28 | ECAT March 2026 Invitational - copied venue |
| 100 Backstroke | SCY | 2:03.76 | +22.67s to B | 2026-01-24 | ECAT Last Chance Invitational 2026 venue |
| 25 Breaststroke | SCY | 33.64 | 2025-11-22 | ECAT FPJ Memorial Invitational 2025 venue | |
| 50 Breaststroke | SCY | 1:15.37 | +21.88s to B | 2026-03-28 | ECAT March 2026 Invitational - copied venue |
| 25 Butterfly | SCY | 32.29 | 2025-11-22 | ECAT FPJ Memorial Invitational 2025 venue | |
| 100 Individual Medley | SCY | 2:31.93 | +52.14s to B | 2026-03-28 | ECAT March 2026 Invitational - copied venue |
| 50 Freestyle | LCM | 47.36 | +3.47s to B | 2026-05-15 | 2026 HVAC May LC Invitational |
| 100 Freestyle | LCM | 1:56.92 | +15.83s to B | 2026-05-15 | 2026 HVAC May LC Invitational |
| 200 Freestyle | LCM | 4:50.03 | +72.94s to B | 2024-07-12 | 2024 VSI Regional Summer Awards fast pool |
| 50 Backstroke | LCM | 1:01.76 | +6.37s to B | 2026-05-15 | 2026 HVAC May LC Invitational |
| 100 Backstroke | LCM | 2:15.83 | +19.14s to B | 2024-07-14 | 2024 VSI Regional Summer Awards fast pool |
| 50 Breaststroke | LCM | 1:38.52 | +37.63s to B | 2026-05-15 | 2026 HVAC May LC Invitational |
| 100 Breaststroke | LCM | 3:16.58 | +63.49s to B | 2026-05-15 | 2026 HVAC May LC Invitational |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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
IMX 10 & under · LCM
448 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 4:50.03 | 143 |
| 100 BK LCM | 2:15.83 | 204 |
| 100 BR LCM | 3:16.58 | 101 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · SCY
655 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:40.34 | 221 |
| 50 BK SCY | 52.79 | 226 |
| 50 BR SCY | 1:15.37 | 112 |
| 100 IM SCY | 2:31.93 | 96 |
| 50 FL 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 LCM 4:50.03
Front half 141.04s · back half 148.99s
100 Backstroke LCM 2:15.83
Front half 64.76s · back half 71.07s
Progression
Faster times are higher. One card per event, all courses & history.