swimJackyu Yu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.61 | BB+1.42s to A·+9.42s to Sectionals | 2025-12-12 | 2025 CA SCS/RAA WAG venue |
| 100 Freestyle | SCY | 1:10.40 | BB+0.21s to A·+19.41s to Sectionals | 2025-12-14 | 2025 CA SCS/RAA WAG venue |
| 50 Backstroke | SCY | 36.93 | A+0.94s to AA·+13.24s to Futures | 2025-11-09 | Orange Committee's November ABC Meet SOCAL venue |
| 100 Backstroke | SCY | 1:17.71 | A+1.42s to AA·+22.22s to Sectionals | 2025-12-06 | 2025 CA STOP December ABC Meet venue |
| 50 Breaststroke | SCY | 46.86 | BB+4.77s to A·+20.57s to Futures | 2025-12-06 | 2025 CA STOP December ABC Meet venue |
| 100 Breaststroke | SCY | 1:44.62 | B+1.03s to BB·+41.43s to Sectionals | 2025-11-09 | Orange Committee's November ABC Meet SOCAL venue |
| 50 Butterfly | SCY | 41.61 | B+0.32s to BB·+18.72s to Futures | 2025-11-09 | Orange Committee's November ABC Meet SOCAL venue |
| 100 Butterfly | SCY | 1:31.46 | BB+6.87s to A·+36.27s to Sectionals | 2025-11-08 | Orange Committee's November ABC Meet SOCAL venue |
| 100 Individual Medley | SCY | 1:23.07 | BB+3.18s to A | 2025-12-13 | 2025 CA SCS/RAA WAG venue |
| 50 Freestyle | LCM | 35.49 | A+1.10s to AA·+8.50s to Sectionals | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
| 100 Freestyle | LCM | 1:18.61 | A+1.82s to AA·+19.62s to Sectionals | 2026-06-12 | ARMADA-2026 SCS June AG Invite venue |
| 50 Backstroke | LCM | 41.96 | A+0.87s to AA·+14.07s to Futures | 2026-06-13 | ARMADA-2026 SCS June AG Invite venue |
| 100 Backstroke | LCM | 1:27.63 | AA+3.54s to AAA·+22.44s to Sectionals | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
| 50 Breaststroke | LCM | 52.02 | BB+4.13s to A·+21.13s to Futures | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 10 & under · SCY
1570 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:17.71 | 699 |
| 100 BR SCY | 1:44.62 | 427 |
| 100 FL SCY | 1:31.46 | 444 |
| 200 FR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
2767 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:10.40 | 640 |
| 50 BK SCY | 36.93 | 662 |
| 50 BR SCY | 46.86 | 468 |
| 50 FL SCY | 41.61 | 405 |
| 100 IM SCY | 1:23.07 | 592 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:10.40
Front half 34.06s · back half 36.34s
100 Backstroke SCY 1:17.71
Front half 38.09s · back half 39.62s
100 Breaststroke SCY 1:44.62
Front half 49.80s · back half 54.82s
100 Butterfly SCY 1:31.46
Front half 40.64s · back half 50.82s
100 Individual Medley SCY 1:23.07
Front half 38.01s · back half 45.06s
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.