swimEthan Zhu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.11 | AA+0.42s to AAA·Sectionals ✓+0.82s to Futures | 2024-12-22 | 2024 NE CS SCY New England Senior Meet venue |
| 100 Freestyle | SCY | 48.34 | AA+0.65s to AAA·Sectionals ✓+1.95s to Futures | 2025-07-31 | 2025 NE CRA August End of Season Invite |
| 100 Backstroke | SCY | 55.41 | A+1.52s to AA·Sectionals ✓+3.92s to Futures | 2024-12-22 | 2024 NE CS SCY New England Senior Meet venue |
| 50 Breaststroke | SCY | 27.45 | AAA+0.76s to AAAA·+0.26s to Sectionals | 2025-12-18 | 2026 NE NSSC Senior Championships |
| 100 Breaststroke | SCY | 59.65 | AA+0.76s to AAA·Sectionals ✓+1.66s to Futures | 2025-03-15 | 2025 NE NSSC Prelims/Finals at PA venue |
| 50 Butterfly | SCY | 23.42 | AAA+0.23s to AAAA·Sectionals ✓+0.53s to Futures | 2025-12-21 | 2026 NE NSSC Senior Championships venue |
| 100 Butterfly | SCY | 51.02 | AAA+1.83s to AAAA·Sectionals ✓+0.43s to Futures | 2025-03-16 | 2025 NE NSSC Prelims/Finals at PA venue |
| 100 Individual Medley | SCY | 54.61 | 2025-07-31 | 2025 NE CRA August End of Season Invite | |
| 50 Freestyle | LCM | 25.29 | AA+0.20s to AAA·Sectionals ✓+0.70s to Futures | 2024-07-27 | 2024 LC Illinois Senior Championships venue |
| 100 Freestyle | LCM | 55.94 | AA+0.75s to AAA·Sectionals ✓+2.35s to Futures | 2025-01-01 | 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CS venue |
| 50 Backstroke | LCM | 30.70 | A+0.11s to AA·+2.01s to Sectionals | 2025-01-01 | 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CS venue |
| 100 Backstroke | LCM | 1:06.46 | A+2.27s to AA·+2.07s to Sectionals | 2024-07-12 | 2024 CZ North Section Summer Sectionals venue |
| 50 Breaststroke | LCM | 32.76 | AA+0.57s to AAA·+0.77s to Sectionals | 2025-01-01 | 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CS venue |
| 100 Breaststroke | LCM | 1:13.08 | A+1.49s to AA·+0.29s to Sectionals | 2024-07-26 | 2024 LC Illinois Senior Championships venue |
| 50 Butterfly | LCM | 26.67 | AAA+0.58s to AAAA·Sectionals ✓+0.38s to Futures | 2024-07-27 | 2024 LC Illinois Senior Championships venue |
| 100 Butterfly | LCM | 1:00.81 | AA+1.92s to AAA·Sectionals ✓+2.82s to Futures | 2024-07-13 | 2024 CZ North Section Summer Sectionals venue |
| 200 Individual Medley | LCM | 2:26.26 | A+4.37s to AA·+6.87s to Sectionals | 2024-06-30 | 2024 CW Eric Namesnik Memorial Open venue |
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 | SCY | 21.86 | flying | 200 Free Relay (leg 4) | 2025-08-03 | 2025 NE CRA August End of Season Invite |
| 50 Freestyle | LCM | 24.72 | flying | 200 Free Relay (leg 2) | 2024-07-27 | 2024 LC Illinois Senior Championships |
| 100 Freestyle | LCM | 54.78 | flying | 400 Free Relay (leg 4) | 2024-07-28 | 2024 LC Illinois Senior Championships |
| 100 Freestyle | LCM | 54.79 | flying | 400 Medley Relay (leg 4) | 2025-07-12 | 2025 NE CS LCM Senior 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 17-18 · LCM
685 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM LCM | 2:26.26 | 685 |
| 400 FR LCM | — | 0 |
| 200 BK LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · LCM
2842 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:06.46 | 671 |
| 100 BR LCM | 1:13.08 | 706 |
| 100 FL LCM | 1:00.81 | 780 |
| 200 IM LCM | 2:26.26 | 685 |
| 200 FR LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 48.34 split/total mismatch
Front half 23.28s · back half 25.06s
100 Backstroke SCY 55.41
Front half 26.78s · back half 28.63s
100 Breaststroke SCY 59.65
Front half 27.78s · back half 31.87s
100 Butterfly SCY 51.02
Front half 23.52s · back half 27.50s
100 Individual Medley SCY 54.61 split/total mismatch
Front half 24.98s · back half 29.63s
100 Backstroke LCM 1:06.46
Front half 31.75s · back half 34.71s
100 Breaststroke LCM 1:13.08 RT 0.62s
Front half 33.84s · back half 39.24s
100 Butterfly LCM 1:00.81 RT 0.60s
Front half 27.62s · back half 33.19s
200 Individual Medley LCM 2:26.26
Front half 69.33s · back half 76.93s
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.