swimCrystal Yu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.54 | AAA+0.85s to AAAA·Sectionals ✓+0.65s to Futures | 2025-03-06 | 2025 SC Illinois Senior Championships venue |
| 50 Butterfly | SCY | 26.79 | AAA+0.60s to AAAA·+0.10s to Sectionals | 2025-03-08 | 2025 SC Illinois Senior Championships venue |
| 100 Butterfly | SCY | 58.78 | AA+0.79s to AAA·Sectionals ✓+2.19s to Futures | 2025-03-07 | 2025 SC Illinois Senior Championships venue |
| 50 Freestyle | LCM | 28.56 | AA+0.17s to AAA·Sectionals ✓+1.17s to Futures | 2025-06-20 | 2025 SE Richard Quick Invitational |
| 100 Freestyle | LCM | 1:02.08 | AA+0.69s to AAA·Sectionals ✓+2.79s to Futures | 2025-06-20 | 2025 SE Richard Quick Invitational |
| 200 Freestyle | LCM | 2:16.86 | AA+3.87s to AAA·+2.17s to Sectionals | 2024-07-12 | 2024 CZ North Section Summer Sectionals venue |
| 100 Backstroke | LCM | 1:12.56 | A+1.47s to AA·Sectionals ✓+5.77s to Futures | 2025-06-20 | 2025 SE Richard Quick Invitational |
| 50 Butterfly | LCM | 30.62 | AA+0.13s to AAA·+0.33s to Sectionals | 2024-07-27 | 2024 LC Illinois Senior Championships venue |
| 100 Butterfly | LCM | 1:10.09 | A+0.90s to AA·+0.40s to Sectionals | 2025-06-20 | 2025 SE Richard Quick Invitational |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | LCM | 28.18 | flying | 200 Free Relay (leg 2) | 2024-07-27 | 2024 LC Illinois Senior Championships |
| 200 Freestyle | LCM | 2:16.79 | flying | 800 Free Relay (leg 2) | 2024-07-13 | 2024 CZ North Section Summer Sectionals |
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
IMR 17-18 · LCM
2193 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:16.86 | 776 |
| 100 BK LCM | 1:12.56 | 702 |
| 100 FL LCM | 1:10.09 | 715 |
| 100 BR LCM | — | 0 |
| 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 Butterfly SCY 58.78
Front half 27.54s · back half 31.24s
200 Freestyle LCM 2:16.86 RT 0.51s
Front half 64.66s · back half 72.20s
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.