swimWiliam Kucmierczyk
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.48 | AAA+0.09s to AAAA·Sectionals ✓+0.19s to Futures | 2026-03-28 | 2026 EZ North Speedo Short Course Sectionals venue |
| 100 Freestyle | SCY | 47.92 | AAA+1.13s to AAAA·Sectionals ✓+1.53s to Futures | 2026-03-19 | 2026 NJS & Scarlet 11 & Over Gold Champs |
| 200 Freestyle | SCY | 1:42.74 | AAA+0.55s to AAAA·Sectionals ✓+1.15s to Futures | 2026-03-27 | 2026 EZ North Speedo Short Course Sectionals venue |
| 500 Freestyle | SCY | 4:49.09 | AAA+11.30s to AAAA·+1.70s to Sectionals | 2026-03-19 | 2026 NJS & Scarlet 11 & Over Gold Champs |
| 100 Backstroke | SCY | 51.00 | AAA+0.21s to AAAA·Futures ✓+1.81s to Winter JNs | 2026-03-28 | 2026 EZ North Speedo Short Course Sectionals venue |
| 200 Backstroke | SCY | 1:51.73 | AAA+0.34s to AAAA·Futures ✓+3.94s to Winter JNs | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionals venue |
| 50 Butterfly | SCY | 23.96 | AAA+0.17s to AAAA·+1.07s to Futures | 2026-03-19 | 2026 NJS & Scarlet 11 & Over Gold Champs |
| 100 Butterfly | SCY | 51.78 | AAA+1.29s to AAAA·Sectionals ✓+1.19s to Futures | 2026-03-27 | 2026 EZ North Speedo Short Course Sectionals venue |
| 200 Butterfly | SCY | 2:07.56 | A+3.77s to AA·+6.37s to Sectionals | 2025-03-20 | 2025 NJS & Scarlet Gold Championship |
| 200 Individual Medley | SCY | 1:56.11 | AAA+2.62s to AAAA·Sectionals ✓+2.22s to Futures | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionals venue |
| 50 Freestyle | LCM | 25.93 | AA+0.04s to AAA·+0.44s to Sectionals | 2025-08-10 | 2025 LC Senior Zone Championship venue |
| 100 Freestyle | LCM | 55.47 | AAA+1.58s to AAAA·Sectionals ✓+1.88s to Futures | 2025-08-07 | 2025 LC Senior Zone Championship venue |
| 50 Backstroke | LCM | 28.90 | AAA+0.51s to AAAA·+1.01s to Futures | 2025-08-08 | 2025 LC Senior Zone Championship venue |
| 100 Backstroke | LCM | 1:01.47 | AAA+1.88s to AAAA·Sectionals ✓+0.88s to Futures | 2025-08-09 | 2025 LC Senior Zone Championship venue |
| 200 Backstroke | LCM | 2:13.33 | AAA+4.14s to AAAA·Sectionals ✓+1.44s to Futures | 2025-08-10 | 2025 LC Senior Zone Championship venue |
| 100 Butterfly | LCM | 1:01.41 | AA+0.92s to AAA·+1.22s to Sectionals | 2025-08-08 | 2025 LC Senior Zone Championship venue |
| 200 Individual Medley | LCM | 2:14.13 | AAA+1.74s to AAAA·Sectionals ✓+1.34s to Futures | 2025-08-07 | 2025 LC Senior Zone Championship venue |
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 20.83 | flying | 200 Free Relay (leg 3) | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionals |
| 100 Freestyle | SCY | 46.97 | flying | 400 Free Relay (leg 4) | 2026-03-28 | 2026 EZ North Speedo Short Course Sectionals |
| 200 Freestyle | SCY | 1:43.16 | flying | 800 Free Relay (leg 3) | 2026-03-27 | 2026 EZ North Speedo Short Course Sectionals |
| 100 Backstroke | SCY | 52.71 | flat | 400 Medley Relay | 2026-03-29 | 2026 EZ North Speedo Short Course Sectionals |
| 100 Freestyle | LCM | 54.64 | flying | 400 Free Relay (leg 4) | 2025-08-08 | 2025 LC Senior Zone Championship |
| 200 Freestyle | LCM | 58.85 | flying | 800 Free Relay (leg 3) | 2025-08-09 | 2025 LC Senior Zone Championship |
| 100 Backstroke | LCM | 1:02.42 | flat | 400 Medley Relay | 2025-08-10 | 2025 LC Senior Zone Championship |
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 15-16 · SCY
3459 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:49.09 | 872 |
| 200 BK SCY | 1:51.73 | 972 |
| 200 FL SCY | 2:07.56 | 689 |
| 200 IM SCY | 1:56.11 | 926 |
| 200 BR SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
3806 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:42.74 | 978 |
| 100 BK SCY | 51.00 | 981 |
| 100 FL SCY | 51.78 | 921 |
| 200 IM SCY | 1:56.11 | 926 |
| 100 BR 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 1:42.74
Front half 48.95s · back half 53.79s
100 Backstroke SCY 51.00 RT 0.59s
Front half 24.92s · back half 26.08s
200 Backstroke SCY 1:51.73 RT 0.60s
Front half 54.76s · back half 56.97s
100 Butterfly SCY 51.78
Front half 24.06s · back half 27.72s
200 Individual Medley SCY 1:56.11
Front half 53.85s · back half 62.26s
100 Freestyle LCM 55.47
Front half 26.85s · back half 28.62s
100 Backstroke LCM 1:01.47
Front half 30.00s · back half 31.47s
200 Backstroke LCM 2:13.33
Front half 64.44s · back half 68.89s
100 Butterfly LCM 1:01.41
Front half 28.70s · back half 32.71s
200 Individual Medley LCM 2:14.13
Front half 62.53s · back half 71.60s
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.