Alethea Zhou
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.25 | AAA+0.86s to AAAA | 2026-03-14 | 2026 NE INST NE Cup fast pool |
| 100 Freestyle | SCY | 1:04.31 | AAA+2.42s to AAAA | 2026-03-15 | 2026 NE INST NE Cup fast pool |
| 200 Freestyle | SCY | 2:17.78 | AAA+1.59s to AAAA | 2026-03-14 | 2026 NE INST NE Cup fast pool |
| 500 Freestyle | SCY | 6:04.05 | AAA+1.86s to AAAA | 2026-03-13 | 2026 NE INST NE Cup fast pool |
| 50 Backstroke | SCY | 30.91 | AAAA | 2026-02-14 | 2026 NE SAC 10 & Under Champs fast pool |
| 100 Backstroke | SCY | 1:08.48 | AAAA | 2026-02-15 | 2026 NE SAC 10 & Under Champs fast pool |
| 50 Breaststroke | SCY | 36.62 | AAAA | 2026-01-09 | 2026 NE NSSC January 9-11 BC Meet venue |
| 100 Breaststroke | SCY | 1:20.87 | AAA+0.68s to AAAA | 2026-01-09 | 2026 NE NSSC January 9-11 BC Meet |
| 200 Breaststroke | SCY | 2:58.52 | 2026-01-09 | 2026 NE NSSC January 9-11 BC Meet venue | |
| 50 Butterfly | SCY | 31.31 | AAA+0.02s to AAAA | 2026-03-15 | 2026 NE INST NE Cup fast pool |
| 100 Butterfly | SCY | 1:10.17 | AAAA | 2026-03-14 | 2026 NE INST NE Cup fast pool |
| 100 Individual Medley | SCY | 1:10.34 | AAAA | 2026-02-13 | 2026 NE SAC 10 & Under Champs fast pool |
| 200 Individual Medley | SCY | 2:22.64 | AAAA | 2025-10-17 | 2025 NE NSSC Beede Halloween Classic |
| 50 Freestyle | LCM | 32.85 | AAA+0.66s to AAAA | 2026-05-03 | 2026 NE CS Spring Fling venue |
| 100 Freestyle | LCM | 1:10.19 | AAAA | 2026-06-13 | 2026 NE CS Summer Solstice venue |
| 200 Freestyle | LCM | 2:36.73 | AAA+1.64s to AAAA | 2026-05-09 | 2026 NE CRA MIT Team Specialty LC Meet venue |
| 400 Freestyle | LCM | 5:19.07 | AAAA | 2026-06-12 | 2026 NE CS Summer Solstice venue |
| 50 Backstroke | LCM | 35.71 | AAAA | 2026-04-24 | 2026 NE NSSC 4-24 & 26 Specialty Meet venue |
| 100 Backstroke | LCM | 1:17.87 | AAAA | 2026-04-25 | 2026 NE NSSC 4-24 & 26 Specialty Meet venue |
| 50 Breaststroke | LCM | 42.40 | AAA+0.31s to AAAA | 2026-04-24 | 2026 NE NSSC 4-24 & 26 Specialty Meet venue |
| 100 Breaststroke | LCM | 1:34.46 | AAA+1.37s to AAAA | 2026-05-10 | 2026 NE CRA MIT Team Specialty LC Meet venue |
| 50 Butterfly | LCM | 35.13 | AAAA | 2026-05-10 | 2026 NE CRA MIT Team Specialty LC Meet venue |
| 100 Butterfly | LCM | 1:18.89 | AAAA | 2026-04-25 | 2026 NE NSSC 4-24 & 26 Specialty Meet venue |
| 200 Individual Medley | LCM | 2:48.22 | AAAA | 2026-04-24 | 2026 NE NSSC 4-24 & 26 Specialty Meet venue |
| 400 Individual Medley | LCM | 6:14.98 | 2026-06-27 | 2026 NE NSSC June 26-28 MIT Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 29.52 | flat | 200 Free Relay | 2026-02-15 | 2026 NE SAC 10 & Under Champs |
| 50 Freestyle | SCY | 19.78 | flying | 200 Free Relay (leg 4) | 2026-03-15 | 2026 NE INST NE Cup |
| 100 Freestyle | SCY | 57.07 | flying | 400 Free Relay (leg 4) | 2026-02-13 | 2026 NE SAC 10 & Under Champs |
| 50 Backstroke | SCY | 31.07 | flat | 200 Medley Relay | 2026-03-15 | 2026 NE INST NE Cup |
| 100 Freestyle | LCM | 1:20.73 | flat | 400 Free Relay | 2025-07-12 | 2025 NE CS LCM 10 & U 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 10 & under · LCM
5188 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:36.73 | 968 |
| 100 BK LCM | 1:17.87 | 1100 |
| 100 BR LCM | 1:34.46 | 954 |
| 100 FL LCM | 1:18.89 | 1066 |
| 200 IM LCM | 2:48.22 | 1100 |
IMR 10 & under · LCM
5208 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:10.19 | 1025 |
| 50 BK LCM | 35.71 | 1100 |
| 50 BR LCM | 42.40 | 978 |
| 50 FL LCM | 35.13 | 1005 |
| 200 IM LCM | 2:48.22 | 1100 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:04.31
Front half 30.90s · back half 33.41s
200 Freestyle SCY 2:17.78
Front half 67.02s · back half 70.76s
500 Freestyle SCY 6:04.05
Front half 179.42s · back half 184.63s
100 Backstroke SCY 1:08.48
Front half 33.48s · back half 35.00s
100 Breaststroke SCY 1:20.87 split/total mismatch
Front half 38.47s · back half 42.40s
200 Breaststroke SCY 2:58.52
Front half 86.79s · back half 91.73s
100 Butterfly SCY 1:10.17
Front half 33.07s · back half 37.10s
100 Individual Medley SCY 1:10.34
Front half 32.14s · back half 38.20s
200 Individual Medley SCY 2:22.64 split/total mismatch
100 Freestyle LCM 1:10.19
Front half 33.85s · back half 36.34s
200 Freestyle LCM 2:36.73
Front half 76.12s · back half 80.61s
400 Freestyle LCM 5:19.07
Front half 156.46s · back half 162.61s
200 Individual Medley LCM 2:48.22
Front half 79.81s · back half 88.41s
400 Individual Medley LCM 6:14.98
Front half 180.57s · back half 194.41s
Progression
Faster times are higher. One card per event, all courses & history.