swimDerek Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 33.71 | B+1.12s to BB | 2025-11-16 | 2025 PN PAC Q Meet venue |
| 100 Freestyle | SCY | 1:18.33 | +2.24s to B | 2025-10-19 | 2025 PN VAST Fall Classic venue |
| 200 Freestyle | SCY | 3:01.07 | +14.48s to B | 2026-01-24 | 2026 PN PDST Winter Invitational Meet- Approv venue |
| 50 Backstroke | SCY | 31.58 | AAA+1.39s to AAAA | 2025-12-09 | SJAC Gator Classic 9-12 |
| 100 Backstroke | SCY | 52.15 | AAAA | 2024-07-14 | 2024 PN PDST July Summer Splash Invitational |
| 200 Backstroke | SCY | 3:01.43 | B+7.24s to BB | 2026-01-25 | 2026 PN PDST Winter Invitational Meet- Approv venue |
| 50 Breaststroke | SCY | 42.23 | BB+2.74s to A | 2025-10-04 | 2025 PN OCA John Walker Invitational venue |
| 100 Breaststroke | SCY | 1:28.72 | BB+3.73s to A | 2024-11-26 | 2024 PN November AGI, Division 1 PDST |
| 200 Breaststroke | SCY | 3:17.27 | BB+13.68s to A | 2025-12-06 | 2025 PN Fall Divisionals, Division 1 - OCA venue |
| 50 Butterfly | SCY | 37.31 | B+0.42s to BB | 2025-10-18 | 2025 PN VAST Fall Classic venue |
| 100 Butterfly | SCY | 1:12.29 | A+0.40s to AA | 2025-11-17 | 2025 PN PAC Q Meet |
| 100 Individual Medley | SCY | 1:20.56 | BB+5.27s to A | 2026-01-24 | 2026 PN PDST Winter Invitational Meet- Approv venue |
| 200 Individual Medley | SCY | 3:02.45 | B+4.26s to BB | 2026-01-25 | 2026 PN PDST Winter Invitational Meet- Approv venue |
| 50 Freestyle | LCM | 33.09 | A+0.30s to AA | 2025-05-31 | 2025 PN VAST Summer Sprints and Distance Chal |
| 100 Freestyle | LCM | 1:35.28 | +7.49s to B | 2025-05-31 | 2025 PN VAST Summer Sprints and Distance Chal venue |
| 200 Freestyle | LCM | 3:33.74 | +23.95s to B | 2025-07-11 | 2025 PN OCA July Jamboree Invitational |
| 50 Backstroke | LCM | 40.71 | BB+0.42s to A | 2025-07-24 | 2025 PN LC 12&U Championships venue |
| 100 Backstroke | LCM | 1:28.15 | A+4.06s to AA | 2025-07-24 | 2025 PN LC 12&U Championships |
| 50 Breaststroke | LCM | 50.93 | B+1.74s to BB | 2025-07-26 | 2025 PN LC 12&U Championships venue |
| 100 Breaststroke | LCM | 1:50.02 | B+1.83s to BB | 2025-07-25 | 2025 PN LC 12&U Championships venue |
| 200 Breaststroke | LCM | 3:41.04 | BB+8.75s to A | 2026-05-16 | 2026 PN IST Sockeye Springtime Madness App. venue |
| 50 Butterfly | LCM | 38.63 | BB+0.64s to A | 2024-06-01 | 2024 PN VAST Summer Sprints and Distance Chal |
| 100 Butterfly | LCM | 1:37.88 | B+2.89s to BB | 2026-05-16 | 2026 PN IST Sockeye Springtime Madness App. venue |
| 200 Individual Medley | LCM | 3:02.58 | A+3.39s to AA | 2026-05-21 | 2026 PN IST Sockeye Springtime Madness App. |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 38.58 | flat | 200 Free Relay | 2025-03-09 | 2025 PN PDST March Pentathlon and Last Chance |
| 50 Backstroke | LCM | 43.54 | flat | 200 Medley Relay | 2025-07-26 | 2025 PN LC 12&U 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 11-12 · SCY
2471 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 52.15 | 1100 |
| 100 BR SCY | 1:28.72 | 446 |
| 100 FL SCY | 1:12.29 | 546 |
| 200 IM SCY | 3:02.45 | 379 |
| 500 FR SCY | — | 0 |
IMR 11-12 · SCY
2196 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:01.07 | 269 |
| 50 BK SCY | 31.58 | 711 |
| 50 BR SCY | 42.23 | 414 |
| 50 FL SCY | 37.31 | 366 |
| 100 IM SCY | 1:20.56 | 436 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:18.33 RT 0.75s
Front half 35.03s · back half 43.30s
200 Backstroke SCY 3:01.43
Front half 88.21s · back half 93.22s
200 Breaststroke SCY 3:17.27 RT 0.86s
Front half 95.02s · back half 102.25s
100 Butterfly SCY 1:12.29
100 Individual Medley SCY 1:20.56
Front half 37.01s · back half 43.55s
200 Individual Medley SCY 3:02.45
Front half 82.28s · back half 100.17s
100 Freestyle LCM 1:35.28 RT 0.51s
Front half 41.92s · back half 53.36s
200 Freestyle LCM 3:33.74
200 Breaststroke LCM 3:41.04 RT 0.70s· 4.0 min after 100 Butterfly
Front half 107.72s · back half 113.32s
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.