Isaac Liu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.10 | B+1.31s to BB·+12.91s to Sectionals | 2025-09-27 | 2025 CA SPAR Spartan Sigma September Novicevenue |
| 100 Freestyle | SCY | 1:21.30 | B+2.01s to BB·+30.31s to Sectionals | 2025-09-27 | 2025 CA SPAR Spartan Sigma September Novicevenue |
| 200 Freestyle | SCY | 2:52.71 | B+2.02s to BB·+60.92s to Sectionals | 2025-07-30 | 2025 CA SPARThe Dog Days of Summer Intrasquadvenue |
| 50 Backstroke | SCY | 43.29 | B+0.20s to BB·+19.60s to Futures | 2025-07-30 | 2025 CA SPARThe Dog Days of Summer Intrasquadvenue |
| 100 Backstroke | SCY | 1:39.12 | B+8.63s to BB·+43.63s to Sectionals | 2024-12-18 | 2024 CA SPAR December Intrasquadvenue |
| 50 Breaststroke | SCY | 44.59 | BB+2.50s to A·+18.30s to Futures | 2025-07-30 | 2025 CA SPARThe Dog Days of Summer Intrasquadvenue |
| 50 Butterfly | SCY | 45.08 | B+3.79s to BB·+22.19s to Futures | 2025-09-27 | 2025 CA SPAR Spartan Sigma September Novicevenue |
| 100 Individual Medley | SCY | 1:44.31 | +4.52s to B | 2024-12-18 | 2024 CA SPAR December Intrasquadvenue |
| 50 Freestyle | LCM | 39.41 | BB+3.72s to A·+12.42s to Sectionals | 2025-07-26 | 2025 CA SCS Summer A/G Champs |
| 100 Freestyle | LCM | 1:27.87 | BB+7.68s to A·+28.88s to Sectionals | 2025-06-29 | 2025 Alpha Summer Classicvenue |
| 50 Backstroke | LCM | 50.29 | B+1.00s to BB·+22.40s to Futures | 2025-05-11 | 2025 CA SPAR Mothers Day Intersquadvenue |
| 100 Backstroke | LCM | 1:49.19 | B+4.70s to BB·+44.00s to Sectionals | 2025-06-29 | 2025 Alpha Summer Classicvenue |
| 50 Breaststroke | LCM | 49.87 | BB+1.98s to A·+18.98s to Futures | 2025-07-24 | 2025 CA SCS Summer A/G Champs |
| 100 Breaststroke | LCM | 1:46.51 | BB+0.92s to A·+32.81s to Sectionals | 2025-07-26 | 2025 CA SCS Summer A/G Champs |
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 40.54 | flat | 200 Free Relay | 2025-07-30 | 2025 CA SPARThe Dog Days of Summer Intrasquad |
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 10 & under · LCM
1030 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:49.19 | 393 |
| 100 BR LCM | 1:46.51 | 637 |
| 200 FR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · SCY
1986 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:21.30 | 415 |
| 50 BK SCY | 43.29 | 411 |
| 50 BR SCY | 44.59 | 543 |
| 50 FL SCY | 45.08 | 318 |
| 100 IM SCY | 1:44.31 | 299 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:21.30
Front half 38.65s · back half 42.65s
200 Freestyle SCY 2:52.71
Front half 78.69s · back half 94.02s
100 Backstroke SCY 1:39.12
Front half 47.85s · back half 51.27s
100 Individual Medley SCY 1:44.31
Front half 52.95s · back half 51.36s
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.
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.