Lily Kosoff
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 17.68 | 2024-10-27 | VAST Trick or Treat 2024 venue | |
| 50 Freestyle | SCY | 36.62 | 2025-02-01 | Waunakee Wave Super Splash venue | |
| 100 Freestyle | SCY | 1:38.99 | 2024-02-04 | Waunakee Wave Super Splash venue | |
| 25 Backstroke | SCY | 22.26 | 2024-05-04 | 2024 Storm Aquatics Spring Scramble venue | |
| 50 Backstroke | SCY | 44.72 | 2024-10-27 | VAST Trick or Treat 2024 venue | |
| 25 Breaststroke | SCY | 29.99 | 2024-02-03 | Waunakee Wave Super Splash venue | |
| 50 Breaststroke | SCY | 1:04.09 | 2024-02-04 | Waunakee Wave Super Splash venue | |
| 25 Butterfly | SCY | 18.75 | 2024-10-27 | VAST Trick or Treat 2024 venue | |
| 50 Butterfly | SCY | 44.67 | 2025-02-01 | Waunakee Wave Super Splash venue | |
| 100 Individual Medley | SCY | 1:39.42 | 2025-05-10 | VAST Spring Fling 2025 fast pool | |
| 50 Freestyle | LCM | 44.20 | 2025-06-01 | WBSC Long Course Luau venue | |
| 100 Freestyle | LCM | 1:39.71 | 2025-06-01 | WBSC Long Course Luau venue | |
| 50 Backstroke | LCM | 56.16 | 2025-06-01 | WBSC Long Course Luau venue | |
| 50 Breaststroke | LCM | 1:02.98 | 2025-06-01 | WBSC Long Course Luau venue |
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 | 38.48 | flat | 200 Free Relay | 2025-05-10 | VAST Spring Fling 2025 |
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
IMR 10 & under · SCY
1527 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:38.99 | 243 |
| 50 BK SCY | 44.72 | 387 |
| 50 BR SCY | 1:04.09 | 190 |
| 50 FL SCY | 44.67 | 343 |
| 100 IM SCY | 1:39.42 | 364 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:38.99
Front half 46.32s · back half 52.67s
100 Individual Medley SCY 1:39.42
Front half 46.03s · back half 53.39s
100 Freestyle LCM 1:39.71
Front half 47.25s · back half 52.46s
Progression
Faster times are higher. One card per event, all courses & history.