swimKatherine Du
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 43.74 | +3.85s to B | 2026-01-18 | 2026 ST AQTX B Champs North venue |
| 100 Freestyle | SCY | 1:37.27 | +6.38s to B | 2025-11-16 | 2025 ST NTRO Turkey Trot venue |
| 50 Backstroke | SCY | 43.19 | BB+5.20s to A | 2026-01-18 | 2026 ST AQTX B Champs North venue |
| 100 Backstroke | SCY | 1:37.13 | B+3.14s to BB | 2026-01-31 | 2026 ST NTRO Fiery Flames venue |
| 50 Breaststroke | SCY | 54.39 | B+5.70s to BB | 2025-10-26 | 2025 ST TXLA 10&U Fall Kick Off venue |
| 100 Breaststroke | SCY | 1:53.76 | B+6.87s to BB | 2025-11-16 | 2025 ST NTRO Turkey Trot |
| 50 Butterfly | SCY | 52.01 | +3.62s to B | 2026-01-31 | 2026 ST NTRO Fiery Flames venue |
| 100 Individual Medley | SCY | 1:42.80 | B+9.01s to BB | 2026-01-31 | 2026 ST NTRO Fiery Flames venue |
| 50 Freestyle | LCM | 41.78 | B+0.79s to BB | 2026-06-28 | 2026 NEAT Long Course STX Championship venue |
| 100 Freestyle | LCM | 1:34.04 | B+0.95s to BB | 2026-06-27 | 2026 NEAT Long Course STX Championship venue |
| 50 Backstroke | LCM | 48.32 | BB+4.73s to A | 2026-05-09 | 2026 ST NTRO LC School's Out venue |
| 100 Backstroke | LCM | 1:44.19 | BB+9.20s to A | 2026-06-27 | 2026 NEAT Long Course STX Championship venue |
| 50 Breaststroke | LCM | 56.06 | B+0.57s to BB | 2026-06-28 | 2026 NEAT Long Course STX Championship venue |
| 100 Breaststroke | LCM | 1:59.87 | BB+11.38s to A | 2026-06-26 | 2026 NEAT Long Course STX Championship venue |
| 200 Breaststroke | LCM | 4:18.65 | 2026-05-30 | 2026 ST NTRO LC May Splashdown venue | |
| 50 Butterfly | LCM | 56.43 | +1.94s to B | 2026-06-20 | 2026 ST NTRO LC Summer Classic venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
IMX / IMR
IMX 10 & under · LCM
937 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:44.19 | 471 |
| 100 BR LCM | 1:59.87 | 466 |
| 200 FR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · LCM
1558 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:34.04 | 426 |
| 50 BK LCM | 48.32 | 467 |
| 50 BR LCM | 56.06 | 423 |
| 50 FL LCM | 56.43 | 242 |
| 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 1:42.80
Front half 46.83s · back half 55.97s
200 Breaststroke LCM 4:18.65
Front half 126.62s · back half 132.03s
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.
Progression
Faster times are higher. One card per event, all courses & history.