swimYonatan Rolnik
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.84 | AAA+0.75s to AAAA | 2025-03-06 | 2025 SC Illinois Senior Championships venue |
| 50 Freestyle | LCM | 24.95 | AAA+0.56s to AAAA | 2025-07-31 | 2025 LC Illinois Senior Championships |
| 100 Freestyle | LCM | 58.89 | A+0.80s to AA | 2025-06-08 | 2025 Lisa Coole Memorial Classic venue |
| 100 Backstroke | LCM | 1:08.69 | BB+1.20s to A | 2025-06-07 | 2025 Lisa Coole Memorial Classic venue |
| 100 Breaststroke | LCM | 1:26.63 | B+4.84s to BB | 2025-06-08 | 2025 Lisa Coole Memorial Classic venue |
| 100 Butterfly | LCM | 1:03.68 | A+1.29s to AA | 2025-06-07 | 2025 Lisa Coole Memorial Classic venue |
| 200 Individual Medley | LCM | 2:26.66 | A+4.27s to AA | 2025-06-08 | 2025 Lisa Coole Memorial Classic venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.80 | flying | 200 Medley Relay (leg 4) | 2025-03-09 | 2025 SC Illinois Senior Championships |
| 100 Freestyle | SCY | 49.64 | flat | 400 Free Relay | 2025-03-09 | 2025 SC Illinois Senior Championships |
| 100 Freestyle | LCM | 1:00.07 | flying | 400 Medley Relay (leg 4) | 2025-08-02 | 2025 LC Illinois Senior Championships |
| 100 Freestyle | LCM | 56.81 | flying | 400 Free Relay (leg 3) | 2025-08-03 | 2025 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 · LCM
680 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM LCM | 2:26.66 | 680 |
| 400 FR LCM | — | 0 |
| 200 BK LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · LCM
2390 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:08.69 | 607 |
| 100 BR LCM | 1:26.63 | 424 |
| 100 FL LCM | 1:03.68 | 679 |
| 200 IM LCM | 2:26.66 | 680 |
| 200 FR LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle LCM 58.89
Front half 27.82s · back half 31.07s
100 Backstroke LCM 1:08.69
Front half 33.18s · back half 35.51s
100 Breaststroke LCM 1:26.63
Front half 40.10s · back half 46.53s
100 Butterfly LCM 1:03.68
Front half 28.23s · back half 35.45s
200 Individual Medley LCM 2:26.66
Front half 67.88s · back half 78.78s
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.