swimRosalind Cosme
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 34.23 | BB+2.04s to A·+8.94s to Sectionals | 2026-07-18 | 2026 ISI Summer SCST Regionalvenue |
| 50 Backstroke | SCY | 39.99 | BB+2.00s to A·+12.70s to Sectionals | 2026-07-18 | 2026 ISI Summer SCST Regionalvenue |
| 50 Butterfly | SCY | 39.45 | BB+2.46s to A·+12.76s to Sectionals | 2026-07-19 | 2026 ISI Summer SCST Regionalvenue |
| 50 Freestyle | LCM | 39.71 | BB+3.12s to A·+10.92s to Sectionals | 2026-01-01 | 1755935 |
| 100 Freestyle | LCM | 1:31.92 | BB+9.93s to A·+30.13s to Sectionals | 2026-01-01 | 1755935 |
| 50 Backstroke | LCM | 47.29 | BB+3.70s to A·+15.80s to Sectionals | 2026-01-01 | 1755935 |
| 100 Backstroke | LCM | 1:43.08 | BB+8.09s to A·+32.59s to Sectionals | 2026-05-16 | 2024 Speedo Grand Chalengevenue |
| 50 Breaststroke | LCM | 1:00.22 | B+4.73s to BB·+24.63s to Sectionals | 2026-05-16 | 2024 Speedo Grand Chalengevenue |
| 100 Breaststroke | LCM | 2:02.09 | BB+13.60s to A·+42.10s to Sectionals | 2026-01-01 | 1755935 |
| 50 Butterfly | LCM | 45.48 | BB+3.89s to A·+15.19s to Sectionals | 2026-01-01 | 1755935 |
| 100 Butterfly | LCM | 1:54.46 | BB+15.97s to A·+46.37s to Sectionals | 2026-01-01 | 1755935 |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 33.44 | flying | 200 Free Relay (leg 2) | 2026-07-19 | 2026 ISI Summer SCST Regional |
| 50 Backstroke | SCY | 40.87 | flat | 200 Medley Relay | 2026-02-28 | 2026 Winter ISI Regionals- BSC |
| 50 Butterfly | SCY | 39.75 | flying | 200 Medley Relay (leg 3) | 2026-07-18 | 2026 ISI Summer SCST Regional |
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 10 & under · LCM
1276 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:43.08 | 486 |
| 100 BR LCM | 2:02.09 | 441 |
| 100 FL LCM | 1:54.46 | 349 |
| 200 FR LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · LCM
1758 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:31.92 | 456 |
| 50 BK LCM | 47.29 | 498 |
| 50 BR LCM | 1:00.22 | 341 |
| 50 FL LCM | 45.48 | 463 |
| 200 IM 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 1:31.92 split/total mismatch
Front half 43.48s · back half 48.44s
100 Backstroke LCM 1:43.08 RT 0.96s
Front half 51.27s · back half 51.81s
100 Breaststroke LCM 2:02.09 split/total mismatch
Front half 57.67s · back half 64.42s
100 Butterfly LCM 1:54.46 split/total mismatch
Front half 52.51s · back half 61.95s
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.