swimKatherine Yun
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 48.92 | +9.03s to B | 2025-11-02 | 2025 Bridget Vache Memorial MAC Fall Frenzy slow pool |
| 100 Freestyle | SCY | 1:51.83 | +20.94s to B | 2026-01-24 | Live MAS Invitational 2026 |
| 50 Backstroke | SCY | 55.99 | +7.40s to B | 2025-12-07 | 2025 Christmas Championships venue |
| 50 Breaststroke | SCY | 1:01.73 | +7.14s to B | 2025-12-07 | 2025 Christmas Championships venue |
| 50 Butterfly | SCY | 1:00.46 | +12.07s to B | 2026-01-24 | Live MAS Invitational 2026 |
| 50 Freestyle | LCM | 50.51 | +5.12s to B | 2026-05-03 | Early Bird LC venue |
| 100 Backstroke | LCM | 2:10.29 | +8.30s to B | 2026-05-03 | Early Bird LC venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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.
IMX / IMR
IMX 10 & under · LCM
241 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 2:10.29 | 241 |
| 200 FR LCM | — | 0 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · SCY
716 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:51.83 | 168 |
| 50 BK SCY | 55.99 | 197 |
| 50 BR SCY | 1:01.73 | 213 |
| 50 FL SCY | 1:00.46 | 138 |
| 100 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke LCM 2:10.29
Front half 61.93s · back half 68.36s
Progression
Faster times are higher. One card per event, all courses & history.