swimDavid Rozenbergas
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.28 | AAA+0.59s to AAAA·Futures ✓+0.79s to Winter JNs | 2025-03-08 | 2025 SC Illinois Senior Championshipsvenue |
| 100 Freestyle | SCY | 46.31 | AAA+0.82s to AAAA·Futures ✓+1.42s to Winter JNs | 2024-11-23 | 2024 Speedo Grand Chalengevenue |
| 200 Freestyle | SCY | 1:42.00 | AAA+1.41s to AAAA·Sectionals ✓+0.41s to Futures | 2025-03-07 | 2025 SC Illinois Senior Championshipsvenue |
| 50 Breaststroke | SCY | 26.64 | AAAA·Sectionals ✓+0.35s to Futures | 2025-11-21 | 2024 Speedo Grand Chalenge |
| 100 Breaststroke | SCY | 57.65 | AAA+1.46s to AAAA·Futures ✓+2.16s to Winter JNs | 2024-11-22 | 2024 Speedo Grand Chalengevenue |
| 200 Breaststroke | SCY | 2:06.02 | AAA+3.83s to AAAA·Futures ✓+4.43s to Winter JNs | 2026-03-07 | 2026 SC Illinois Senior Championships - copivenue |
| 50 Butterfly | SCY | 23.78 | AAA+0.59s to AAAA·+0.09s to Sectionals | 2026-03-25 | ISCA INTERNATIONAL SENIOR CUPvenue |
| 100 Butterfly | SCY | 52.28 | AA+0.69s to AAA·Sectionals ✓+1.69s to Futures | 2026-03-27 | ISCA INTERNATIONAL SENIOR CUPvenue |
| 200 Individual Medley | SCY | 1:53.51 | AAA+2.62s to AAAA·Futures ✓+3.92s to Winter JNs | 2025-11-21 | 2024 Speedo Grand Chalenge |
| 50 Freestyle | LCM | 24.29 | AAA+0.30s to AAAA·Futures ✓+0.20s to Winter JNs | 2026-07-25 | 2026 LC Illinois Senior Championshipsvenue |
| 100 Freestyle | LCM | 53.17 | AAA+0.48s to AAAA·Futures ✓+0.58s to Winter JNs | 2025-07-24 | 2025 TYR FUTURES MADISONvenue |
| 200 Freestyle | LCM | 1:59.64 | AAA+4.45s to AAAA·Sectionals ✓+1.85s to Futures | 2026-07-24 | 2026 LC Illinois Senior Championshipsvenue |
| 50 Breaststroke | LCM | 30.85 | AAA+0.16s to AAAA·Futures ✓+1.26s to Jr Nationals | 2026-07-26 | 2026 LC Illinois Senior Championshipsvenue |
| 100 Breaststroke | LCM | 1:08.86 | AA+0.47s to AAA·Sectionals ✓+0.67s to Futures | 2026-07-09 | 2024 Speedo Grand Chalenge |
| 200 Breaststroke | LCM | 2:29.09 | AAA+6.20s to AAAA·Futures ✓+5.00s to Winter JNs | 2024-07-27 | 2024 LC Illinois Senior Championshipsvenue |
| 50 Butterfly | LCM | 26.84 | AAA+0.75s to AAAA·Sectionals ✓+0.55s to Futures | 2026-07-25 | 2026 LC Illinois Senior Championshipsvenue |
| 200 Individual Medley | LCM | 2:14.07 | AAA+4.48s to AAAA·Sectionals ✓+1.28s to Futures | 2024-07-14 | 2024 CZ North Section Summer Sectionalsvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | 20.99 | flying | 200 Medley Relay (leg 4) | 2026-03-25 | ISCA INTERNATIONAL SENIOR CUP |
| 50 Freestyle | SCY | 20.97 | flying | 200 Free Relay (leg 4) | 2026-03-07 | 2026 SC Illinois Senior Championships - copi |
| 100 Freestyle | SCY | 45.65 | flying | 400 Free Relay (leg 4) | 2026-03-27 | ISCA INTERNATIONAL SENIOR CUP |
| 100 Breaststroke | SCY | 57.88 | flying | 400 Medley Relay (leg 2) | 2026-03-26 | ISCA INTERNATIONAL SENIOR CUP |
| 50 Freestyle | LCM | 24.32 | flying | 200 Free Relay (leg 4) | 2024-07-27 | 2024 LC Illinois Senior Championships |
| 50 Freestyle | LCM | 24.23 | flying | 200 Medley Relay (leg 4) | 2024-07-28 | 2024 LC Illinois Senior Championships |
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 17-18 · SCY
1824 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:06.02 | 900 |
| 200 IM SCY | 1:53.51 | 924 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
3614 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:42.00 | 947 |
| 100 BR SCY | 57.65 | 916 |
| 100 FL SCY | 52.28 | 827 |
| 200 IM SCY | 1:53.51 | 924 |
| 100 BK 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 46.31 RT 0.77s
Front half 22.12s · back half 24.19s
200 Freestyle SCY 1:42.00
Front half 49.88s · back half 52.12s
100 Breaststroke SCY 57.65 RT 0.71s
Front half 26.83s · back half 30.82s
200 Breaststroke SCY 2:06.02
Front half 60.18s · back half 65.84s
100 Butterfly SCY 52.28
Front half 24.21s · back half 28.07s
100 Freestyle LCM 53.17
Front half 25.32s · back half 27.85s
200 Freestyle LCM 1:59.64 RT 0.73s
100 Breaststroke LCM 1:08.86 split/total mismatch
Front half 31.78s · back half 37.08s
200 Breaststroke LCM 2:29.09 RT 0.74s
Front half 71.69s · back half 77.40s
200 Individual Medley LCM 2:14.07 RT 0.74s
Front half 65.06s · back half 69.01s
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.