Leonie Kostowicz
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 18.06 | 2026-08-22 | NMST Relay Invite 26venue | |
| 50 Freestyle | SCY | 39.98 | +15.09s to Sectionals | 2026-06-06 | NMST June Invite 26venue |
| 25 Backstroke | SCY | 21.96 | 2025-12-06 | 2025 Pompano Beach Santa Claus Meetvenue | |
| 50 Backstroke | SCY | 50.21 | +21.62s to Sectionals | 2026-06-06 | NMST June Invite 26venue |
| 25 Breaststroke | SCY | 26.96 | 2026-08-22 | NMST Relay Invite 26venue | |
| 50 Breaststroke | SCY | 58.92 | +25.33s to Sectionals | 2026-02-14 | NMST-BMHG February BC Invite 26venue |
| 25 Butterfly | SCY | 21.87 | 2025-12-06 | 2025 Pompano Beach Santa Claus Meetvenue | |
| 100 Individual Medley | SCY | 1:57.19 | 2025-11-23 | 2025 Gulliver Gobble-Gobble Nov Last Chancevenue | |
| 50 Freestyle | LCM | 43.34 | +14.95s to Sectionals | 2026-05-15 | 2026 Gulliver LCM Summer Classicvenue |
| 100 Freestyle | LCM | 1:38.71 | +37.42s to Sectionals | 2026-05-03 | Jesse Vasallo Swimming Invitationalvenue |
| 50 Backstroke | LCM | 54.08 | +21.19s to Sectionals | 2026-05-03 | Jesse Vasallo Swimming Invitationalvenue |
| 100 Backstroke | LCM | 1:50.99 | +41.20s to Sectionals | 2026-05-02 | Jesse Vasallo Swimming Invitationalvenue |
| 50 Breaststroke | LCM | 1:10.57 | +32.28s to Sectionals | 2026-05-02 | Jesse Vasallo Swimming Invitationalvenue |
| 50 Butterfly | LCM | 1:04.12 | +32.83s to Sectionals | 2026-05-03 | Jesse Vasallo Swimming Invitationalvenue |
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 | 44.35 | flying | 200 Free Relay (leg 2) | 2026-08-22 | NMST Relay Invite 26 |
| 50 Backstroke | SCY | 47.63 | flat | 200 Medley Relay | 2026-08-22 | NMST Relay Invite 26 |
| 50 Backstroke | LCM | 1:03.18 | flat | 200 Medley Relay | 2026-07-18 | 2026 FGC Summer LC Age Group 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 10 & under · LCM
389 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:50.99 | 389 |
| 200 FR LCM | — | 0 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · LCM
1078 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:38.71 | 368 |
| 50 BK LCM | 54.08 | 333 |
| 50 BR LCM | 1:10.57 | 212 |
| 50 FL LCM | 1:04.12 | 165 |
| 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 Individual Medley SCY 1:57.19
Front half 53.82s · back half 63.37s
100 Freestyle LCM 1:38.71
Front half 46.93s · back half 51.78s
100 Backstroke LCM 1:50.99
Front half 54.55s · back half 56.44s
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.