swimRosalyn Birke
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.23 | BB+2.04s to A | 2026-02-27 | 2026 MN RSC Minnesota Regional Championship - |
| 100 Freestyle | SCY | 1:04.13 | B+0.14s to BB | 2026-02-27 | 2026 MN RSC Minnesota Regional Championship - |
| 200 Freestyle | SCY | 2:44.05 | +15.16s to B | 2025-12-13 | 2025 MN PRNH December Meet venue |
| 500 Freestyle | SCY | 7:06.01 | +24.32s to B | 2026-02-15 | 2026 MN RFSC Valentine's Crush Invite venue |
| 100 Backstroke | SCY | 1:20.79 | +6.30s to B | 2026-02-22 | 2026 MN FOXJ MN Bronze Championship |
| 50 Breaststroke | SCY | 38.75 | B+0.66s to BB | 2025-12-13 | 2025 MN PRNH December Meet venue |
| 100 Breaststroke | SCY | 1:26.34 | +0.75s to B | 2026-02-15 | 2026 MN RFSC Valentine's Crush Invite venue |
| 200 Breaststroke | SCY | 3:08.64 | +1.85s to B | 2026-02-27 | 2026 MN RSC Minnesota Regional Championship - |
| 100 Individual Medley | SCY | 1:19.13 | 2026-02-21 | 2026 MN FOXJ MN Bronze Championship venue | |
| 400 Individual Medley | SCY | 6:25.59 | +31.50s to B | 2026-02-14 | 2026 MN RFSC Valentine's Crush Invite venue |
| 50 Freestyle | LCM | 36.52 | +0.43s to B | 2026-06-07 | 2026 MN NSAC Summer Invite venue |
| 100 Freestyle | LCM | 1:18.75 | +0.46s to B | 2026-06-06 | 2026 MN NSAC Summer Invite venue |
| 200 Backstroke | LCM | 3:25.97 | +17.28s to B | 2026-05-10 | 2026 MN STRM Spring Startup venue |
| 50 Breaststroke | LCM | 45.76 | B+2.77s to BB | 2026-06-07 | 2026 MN NSAC Summer Invite venue |
| 100 Breaststroke | LCM | 1:41.71 | +3.42s to B | 2026-06-07 | 2026 MN NSAC Summer Invite venue |
| 200 Breaststroke | LCM | 3:29.50 | B+11.61s to BB | 2026-06-06 | 2026 MN NSAC Summer Invite venue |
| 50 Butterfly | LCM | 41.18 | +2.19s to B | 2026-06-06 | 2026 MN NSAC Summer Invite venue |
| 100 Butterfly | LCM | 1:43.87 | +19.58s to B | 2026-06-27 | 2026 MN PRNH Summer Chomp slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.96 | flying | 200 Free Relay (leg 3) | 2026-02-21 | 2026 MN FOXJ MN Bronze 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 17-18 · SCY
1052 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:06.01 | 340 |
| 200 BR SCY | 3:08.64 | 395 |
| 400 IM SCY | 6:25.59 | 317 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 17-18 · SCY
1018 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:44.05 | 304 |
| 100 BK SCY | 1:20.79 | 315 |
| 100 BR SCY | 1:26.34 | 399 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
50 Freestyle SCY 29.23 split/total mismatch
Front half 28.71s · back half 0.52s
100 Freestyle SCY 1:04.13 split/total mismatch
Front half 30.26s · back half 33.87s
200 Freestyle SCY 2:44.05
Front half 73.55s · back half 90.50s
500 Freestyle SCY 7:06.01
Front half 209.83s · back half 216.18s
100 Backstroke SCY 1:20.79 split/total mismatch
Front half 38.45s · back half 42.34s
100 Breaststroke SCY 1:26.34
Front half 39.58s · back half 46.76s
200 Breaststroke SCY 3:08.64 split/total mismatch
100 Individual Medley SCY 1:19.13
Front half 35.64s · back half 43.49s
400 Individual Medley SCY 6:25.59
Front half 195.55s · back half 190.04s
100 Freestyle LCM 1:18.75
Front half 36.97s · back half 41.78s
200 Backstroke LCM 3:25.97
Front half 99.03s · back half 106.94s
100 Breaststroke LCM 1:41.71
Front half 46.32s · back half 55.39s
200 Breaststroke LCM 3:29.50
Front half 99.72s · back half 109.78s
100 Butterfly LCM 1:43.87
Front half 46.86s · back half 57.01s
Progression
Faster times are higher. One card per event, all courses & history.