swimArthur Zhou
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 20.95 | AAAA·Futures ✓+0.46s to Winter JNs | 2026-03-07 | 2026 PV Short Course Open Championships venue |
| 100 Freestyle | SCY | 46.73 | AAA+0.64s to AAAA·Sectionals ✓+0.34s to Futures | 2025-12-14 | 2025 Katie Ledecky Invitational venue |
| 200 Freestyle | SCY | 1:45.02 | AAA+3.53s to AAAA·Sectionals ✓+3.43s to Futures | 2026-03-06 | 2026 PV Short Course Open Championships venue |
| 100 Backstroke | SCY | 54.44 | AA+1.95s to AAA·Sectionals ✓+2.95s to Futures | 2025-12-13 | 2025 Katie Ledecky Invitational venue |
| 50 Breaststroke | SCY | 26.36 | AAAA·+0.07s to Futures | 2026-03-08 | 2026 PV Short Course Open Championships venue |
| 100 Breaststroke | SCY | 57.14 | AAA+0.45s to AAAA·Futures ✓+1.65s to Winter JNs | 2026-01-31 | 2026 WMPSSDL Championships venue |
| 50 Butterfly | SCY | 23.23 | AAAA·+0.34s to Futures | 2026-03-07 | 2026 PV Short Course Open Championships venue |
| 100 Butterfly | SCY | 51.51 | AAA+1.92s to AAAA·Sectionals ✓+0.92s to Futures | 2026-01-31 | 2026 WMPSSDL Championships venue |
| 200 Individual Medley | SCY | 1:58.74 | AA+1.25s to AAA·Sectionals ✓+4.85s to Futures | 2025-11-02 | NOVA Senior Classic venue |
| 400 Individual Medley | SCY | 4:32.22 | A+7.73s to AA·+17.13s to Sectionals | 2025-10-10 | 2025 PV October Open - Fairland venue |
| 50 Freestyle | LCM | 24.22 | AAAA·Futures ✓+0.13s to Winter JNs | 2026-05-16 | 2026 EZ LC Speedo Super Sectionals venue |
| 100 Freestyle | LCM | 55.99 | AA+0.40s to AAA·+0.50s to Sectionals | 2026-05-14 | 2026 EZ LC Speedo Super Sectionals venue |
| 200 Freestyle | LCM | 2:12.39 | A+4.70s to AA·+11.10s to Sectionals | 2026-05-03 | Early Bird LC venue |
| 400 Freestyle | LCM | 5:13.28 | B+5.39s to BB·+55.69s to Sectionals | 2026-05-02 | Early Bird LC venue |
| 50 Backstroke | LCM | 29.90 | AA+0.51s to AAA·+2.01s to Futures | 2026-05-03 | Early Bird LC venue |
| 100 Backstroke | LCM | 1:07.56 | BB+0.07s to A·+5.57s to Sectionals | 2026-06-11 | 2026 NCAP Elite Qualifier |
| 50 Breaststroke | LCM | 30.55 | AAAA·Futures ✓+0.96s to Jr Nationals | 2026-05-29 | Maryland State LC Championship venue |
| 100 Breaststroke | LCM | 1:09.03 | AAA+2.94s to AAAA·Sectionals ✓+0.84s to Futures | 2026-06-11 | 2026 NCAP Elite Qualifier |
| 50 Butterfly | LCM | 25.99 | AAAA·Futures ✓+0.60s to Jr Nationals | 2026-05-17 | 2026 EZ LC Speedo Super Sectionals venue |
| 100 Butterfly | LCM | 1:00.66 | AA+0.97s to AAA·+0.47s to Sectionals | 2026-05-15 | 2026 EZ LC Speedo Super Sectionals venue |
| 200 Individual Medley | LCM | 2:25.37 | A+2.98s to AA·+9.18s to Sectionals | 2026-05-02 | Early Bird LC venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.54 | flying | 200 Free Relay (leg 4) | 2026-01-31 | 2026 WMPSSDL Championships |
| 50 Freestyle | SCY | 20.62 | flying | 200 Medley Relay (leg 4) | 2026-01-31 | 2026 WMPSSDL 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 17-18 · SCY
1475 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM SCY | 1:58.74 | 807 |
| 400 IM SCY | 4:32.22 | 668 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 17-18 · SCY
4204 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:45.02 | 868 |
| 100 BK SCY | 54.44 | 724 |
| 100 BR SCY | 57.14 | 940 |
| 100 FL SCY | 51.51 | 865 |
| 200 IM SCY | 1:58.74 | 807 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 46.73
Front half 22.34s · back half 24.39s
200 Freestyle SCY 1:45.02
Front half 50.08s · back half 54.94s
100 Backstroke SCY 54.44
Front half 26.55s · back half 27.89s
100 Breaststroke SCY 57.14
Front half 26.96s · back half 30.18s
100 Butterfly SCY 51.51
Front half 23.72s · back half 27.79s
200 Individual Medley SCY 1:58.74
Front half 54.73s · back half 64.01s
400 Individual Medley SCY 4:32.22
Front half 127.77s · back half 144.45s
200 Freestyle LCM 2:12.39
Front half 62.23s · back half 70.16s
400 Freestyle LCM 5:13.28
Front half 153.05s · back half 160.23s
200 Individual Medley LCM 2:25.37
Front half 68.64s · back half 76.73s
Progression
Faster times are higher. One card per event, all courses & history.