Derek Zhu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.80 | B+0.21s to BB·+10.51s to Sectionals | 2026-02-15 | 2026 TAC TITANS February Qualifier Meetvenue |
| 100 Freestyle | SCY | 1:12.70 | B+2.11s to BB·+24.41s to Sectionals | 2026-03-28 | 2026 TAC TITANS Tarheel States Meetvenue |
| 500 Freestyle | SCY | 7:20.06 | B+25.67s to BB·+153.97s to Sectionals | 2025-12-20 | 2025 TAC TITANS Jingle Bells Meetvenue |
| 50 Backstroke | SCY | 38.41 | B+0.32s to BB·+12.72s to Sectionals | 2026-03-28 | 2026 TAC TITANS Tarheel States Meetvenue |
| 100 Backstroke | SCY | 1:23.32 | B+0.63s to BB·+28.23s to Sectionals | 2026-01-17 | 2026 Vector Security Polar Plunge Meetvenue |
| 50 Breaststroke | SCY | 39.51 | BB+0.02s to A·+10.02s to Sectionals | 2026-02-15 | 2026 TAC TITANS February Qualifier Meetvenue |
| 100 Breaststroke | SCY | 1:24.40 | A+3.21s to AA·+21.71s to Sectionals | 2026-03-26 | 2026 TAC TITANS Tarheel States Meetvenue |
| 50 Butterfly | SCY | 39.17 | B+2.28s to BB·+14.88s to Sectionals | 2025-12-19 | 2025 TAC TITANS Jingle Bells Meetvenue |
| 100 Butterfly | SCY | 1:28.81 | B+5.82s to BB·+36.12s to Sectionals | 2026-01-17 | 2026 Vector Security Polar Plunge Meetvenue |
| 100 Individual Medley | SCY | 1:23.10 | B+1.41s to BB | 2025-12-19 | 2025 TAC TITANS Jingle Bells Meetvenue |
| 200 Individual Medley | SCY | 2:50.18 | BB+6.49s to A·+50.79s to Sectionals | 2026-03-26 | 2026 TAC TITANS Tarheel States Meetvenue |
| 50 Freestyle | LCM | 38.77 | B+1.68s to BB·+13.18s to Sectionals | 2025-07-26 | 2025 LC Closeout Meetvenue |
| 100 Freestyle | LCM | 1:31.99 | +4.20s to B·+36.70s to Sectionals | 2025-07-27 | 2025 LC Closeout Meetvenue |
| 200 Freestyle | LCM | 3:27.36 | +17.57s to B·+86.47s to Sectionals | 2025-07-29 | 2025 TAC TITANS 12&U 200 Free Tri Meetvenue |
| 50 Backstroke | LCM | 48.58 | +0.99s to B·+18.39s to Sectionals | 2025-07-06 | 2025 TAC July Qualifier Meetvenue |
| 100 Backstroke | LCM | 1:45.77 | +1.08s to B·+41.28s to Sectionals | 2025-07-26 | 2025 LC Closeout Meetvenue |
| 50 Breaststroke | LCM | 48.07 | BB+3.08s to A·+13.88s to Sectionals | 2025-07-18 | NCS LC AG Championshipsvenue |
| 100 Breaststroke | LCM | 1:40.75 | BB+1.46s to A·+28.36s to Sectionals | 2025-07-19 | NCS LC AG Championshipsvenue |
| 100 Butterfly | LCM | 1:56.82 | +13.33s to B·+56.33s to Sectionals | 2025-07-25 | 2025 LC Closeout Meetvenue |
| 200 Individual Medley | LCM | 3:39.20 | B+15.11s to BB·+81.51s to Sectionals | 2025-07-27 | 2025 LC Closeout Meetvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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.
IMX / IMR
IMX 11-12 · SCY
2008 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:20.06 | 366 |
| 100 BK SCY | 1:23.32 | 363 |
| 100 BR SCY | 1:24.40 | 518 |
| 100 FL SCY | 1:28.81 | 294 |
| 200 IM SCY | 2:50.18 | 467 |
IMR 11-12 · SCY
1614 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 38.41 | 395 |
| 50 BR SCY | 39.51 | 506 |
| 50 FL SCY | 39.17 | 316 |
| 100 IM SCY | 1:23.10 | 397 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:12.70
Front half 35.20s · back half 37.50s
500 Freestyle SCY 7:20.06
Front half 218.64s · back half 221.42s
100 Backstroke SCY 1:23.32
Front half 40.58s · back half 42.74s
100 Breaststroke SCY 1:24.40
Front half 40.66s · back half 43.74s
100 Butterfly SCY 1:28.81
Front half 40.82s · back half 47.99s
100 Individual Medley SCY 1:23.10
Front half 40.71s · back half 42.39s
200 Individual Medley SCY 2:50.18
Front half 85.73s · back half 84.45s
100 Freestyle LCM 1:31.99
Front half 43.87s · back half 48.12s
200 Freestyle LCM 3:27.36
Front half 100.77s · back half 106.59s
100 Backstroke LCM 1:45.77
Front half 52.64s · back half 53.13s
100 Breaststroke LCM 1:40.75 RT 0.77s
Front half 47.32s · back half 53.43s
200 Individual Medley LCM 3:39.20
Front half 111.94s · back half 107.26s
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.