swimJoy Yu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.67 | BB+1.28s to A | 2025-11-23 | 2025 CA MVN Turkey Classic venue |
| 100 Freestyle | SCY | 1:02.49 | BB+3.00s to A | 2025-09-20 | 2025 SI PS Freestyle Festival Sat venue |
| 200 Freestyle | SCY | 2:23.50 | B+4.81s to BB | 2025-05-17 | 2025 SI SBA NTS Meet venue |
| 500 Freestyle | SCY | 6:28.50 | B+14.61s to BB | 2025-09-20 | 2025 SI PS Freestyle Festival Sat venue |
| 50 Backstroke | SCY | 36.26 | +0.97s to B | 2025-11-08 | 2025 SI SDSA All Ages NTS Meet venue |
| 100 Backstroke | SCY | 1:18.31 | +3.32s to B | 2024-12-07 | 2024 SI JBST Wag Max Meet venue |
| 200 Backstroke | SCY | 2:56.09 | +13.60s to B | 2024-07-20 | 2024 SI RSD BC Last Chance Meet venue |
| 50 Breaststroke | SCY | 39.53 | B+1.14s to BB | 2025-10-26 | 2025 SI JBST ALL AGES A/BB MEET venue |
| 100 Breaststroke | SCY | 1:26.72 | +0.13s to B | 2025-05-17 | 2025 SI SBA NTS Meet venue |
| 200 Breaststroke | SCY | 3:16.89 | +9.40s to B | 2024-11-16 | 2024 SI SDSA A/BB All Ages venue |
| 50 Butterfly | SCY | 30.92 | BB+0.83s to A | 2025-10-25 | 2025 SI JBST ALL AGES A/BB MEET venue |
| 100 Butterfly | SCY | 1:10.53 | B+1.14s to BB | 2025-10-26 | 2025 SI JBST ALL AGES A/BB MEET venue |
| 200 Butterfly | SCY | 2:54.99 | +8.60s to B | 2025-10-25 | 2025 SI JBST ALL AGES A/BB MEET venue |
| 100 Individual Medley | SCY | 1:18.79 | 2024-10-13 | 2024 SI HSA BC All Ages Oct venue | |
| 200 Individual Medley | SCY | 2:42.50 | B+7.11s to BB | 2025-11-22 | 2025 CA MVN Turkey Classic venue |
| 50 Freestyle | LCM | 32.33 | BB+1.14s to A | 2026-06-20 | 2026 SI Splash and Dash fast pool |
| 100 Freestyle | LCM | 1:13.77 | B+0.88s to BB | 2026-06-19 | 2026 SI Splash and Dash fast pool |
| 50 Backstroke | LCM | 41.92 | +0.63s to B | 2025-06-20 | 2025 SI SPLASH AND DASH venue |
| 50 Breaststroke | LCM | 49.03 | +2.14s to B | 2025-06-20 | 2025 SI SPLASH AND DASH venue |
| 50 Butterfly | LCM | 35.66 | BB+2.07s to A | 2026-05-23 | SI 2026 TAC CSTE All Ages NTS Meet fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.62 | flying | 200 Free Relay (leg 3) | 2024-12-23 | 2024 SI Winter Age Group Championships |
| 50 Backstroke | SCY | 35.20 | flat | 200 Medley Relay | 2025-12-19 | 2025 SI Winter Age Group Championships |
| 50 Freestyle | LCM | 32.33 | flying | 200 Free Relay (leg 4) | 2025-07-26 | 2025 SI LC AG CHAMPS |
| 100 Freestyle | LCM | 1:12.33 | flying | 400 Free Relay (leg 4) | 2025-07-27 | 2025 SI LC AG CHAMPS |
| 50 Backstroke | LCM | 40.61 | flat | 200 Medley Relay | 2025-07-27 | 2025 SI LC AG CHAMPS |
| 100 Breaststroke | LCM | 1:40.08 | flying | 400 Medley Relay (leg 2) | 2025-07-26 | 2025 SI LC AG CHAMPS |
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 15-16 · SCY
1958 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:28.50 | 464 |
| 200 BK SCY | 2:56.09 | 330 |
| 200 BR SCY | 3:16.89 | 355 |
| 200 FL SCY | 2:54.99 | 359 |
| 200 IM SCY | 2:42.50 | 450 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
2194 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:23.50 | 472 |
| 100 BK SCY | 1:18.31 | 367 |
| 100 BR SCY | 1:26.72 | 411 |
| 100 FL SCY | 1:10.53 | 494 |
| 200 IM SCY | 2:42.50 | 450 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:02.49
Front half 29.84s · back half 32.65s
200 Freestyle SCY 2:23.50
Front half 68.22s · back half 75.28s
500 Freestyle SCY 6:28.50
Front half 194.95s · back half 193.55s
100 Backstroke SCY 1:18.31
Front half 37.51s · back half 40.80s
100 Breaststroke SCY 1:26.72
Front half 40.71s · back half 46.01s
200 Breaststroke SCY 3:16.89
Front half 94.21s · back half 102.68s
100 Butterfly SCY 1:10.53
Front half 32.72s · back half 37.81s
200 Butterfly SCY 2:54.99
Front half 80.34s · back half 94.65s
200 Individual Medley SCY 2:42.50
Front half 76.69s · back half 85.81s
100 Freestyle LCM 1:13.77
Front half 34.48s · back half 39.29s
Progression
Faster times are higher. One card per event, all courses & history.