Isaac Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.53 | B+0.04s to BB·+8.24s to Sectionals | 2026-02-22 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 100 Freestyle | SCY | 1:08.04 | B+1.65s to BB·+19.75s to Sectionals | 2026-01-01 | sky winteerfest results |
| 200 Freestyle | SCY | 2:21.28 | BB+7.59s to A·+35.49s to Sectionals | 2026-02-21 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 50 Backstroke | SCY | 37.17 | B+1.58s to BB·+11.48s to Sectionals | 2026-01-01 | sky winteerfest results |
| 100 Backstroke | SCY | 1:19.34 | B+3.65s to BB·+24.25s to Sectionals | 2026-02-22 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 50 Breaststroke | SCY | 39.58 | BB+2.89s to A·+10.09s to Sectionals | 2026-02-22 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 100 Breaststroke | SCY | 1:27.18 | B+1.69s to BB·+24.49s to Sectionals | 2026-02-21 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 50 Butterfly | SCY | 46.48 | +9.39s to B·+22.19s to Sectionals | 2024-12-08 | 2024 NAC SPEEDO Music City Invitationalvenue |
| 100 Individual Medley | SCY | 1:26.86 | +4.97s to B | 2025-02-15 | 2025 SES Region 1 & 8 and Under Championshipsvenue |
| 200 Individual Medley | SCY | 3:01.56 | +2.27s to B·+62.17s to Sectionals | 2025-02-16 | 2025 SES Region 1 & 8 and Under Championshipsvenue |
| 50 Freestyle | LCM | 34.40 | BB+2.31s to A·+8.81s to Sectionals | 2026-07-18 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 100 Freestyle | LCM | 1:15.24 | BB+4.85s to A·+19.95s to Sectionals | 2026-04-19 | HSA April LC Meetvenue |
| 200 Freestyle | LCM | 2:34.85 | BB+1.26s to A·+33.96s to Sectionals | 2026-07-17 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 400 Freestyle | LCM | 5:38.52 | BB+11.83s to A·+79.43s to Sectionals | 2026-05-16 | NAC LC May Classicvenue |
| 50 Backstroke | LCM | 42.76 | B+1.57s to BB·+12.57s to Sectionals | 2026-04-19 | HSA April LC Meetvenue |
| 100 Backstroke | LCM | 1:33.24 | B+3.65s to BB·+28.75s to Sectionals | 2026-04-18 | HSA April LC Meetvenue |
| 50 Breaststroke | LCM | 43.93 | BB+1.94s to A·+9.74s to Sectionals | 2026-07-18 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 100 Breaststroke | LCM | 1:33.80 | BB+2.51s to A·+21.41s to Sectionals | 2026-07-17 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 50 Butterfly | LCM | 1:03.72 | +21.73s to B·+35.93s to Sectionals | 2023-04-29 | NAC Intrasquad |
| 200 Individual Medley | LCM | 3:06.03 | BB+11.84s to A·+48.34s to Sectionals | 2026-05-16 | NAC LC May Classicvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 Breaststroke | LCM | 45.10 | flying | 200 Medley Relay (leg 2) | 2026-07-18 | 2026 SE Southeastern Summer LC 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 · LCM
2159 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:38.52 | 602 |
| 100 BK LCM | 1:33.24 | 430 |
| 100 BR LCM | 1:33.80 | 597 |
| 200 IM LCM | 3:06.03 | 530 |
| 100 FL LCM | — | 0 |
IMR 11-12 · LCM
2286 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:34.85 | 653 |
| 50 BK LCM | 42.76 | 442 |
| 50 BR LCM | 43.93 | 554 |
| 50 FL LCM | 1:03.72 | 107 |
| 200 IM LCM | 3:06.03 | 530 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:21.28
Front half 69.70s · back half 71.58s
100 Backstroke SCY 1:19.34
Front half 39.01s · back half 40.33s
100 Breaststroke SCY 1:27.18
Front half 41.37s · back half 45.81s
100 Individual Medley SCY 1:26.86
Front half 42.17s · back half 44.69s
200 Individual Medley SCY 3:01.56
Front half 89.16s · back half 92.40s
100 Freestyle LCM 1:15.24
Front half 36.44s · back half 38.80s
200 Freestyle LCM 2:34.85
Front half 75.75s · back half 79.10s
400 Freestyle LCM 5:38.52
Front half 168.20s · back half 170.32s
100 Backstroke LCM 1:33.24
Front half 45.70s · back half 47.54s
100 Breaststroke LCM 1:33.80
Front half 45.08s · back half 48.72s
200 Individual Medley LCM 3:06.03
Front half 93.95s · back half 92.08s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.