swimDavid Zhao
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:07.23 | +3.94s to B | 2024-03-09 | 2024 AAAA SW SCY End of Season Splash venue |
| 100 Backstroke | SCY | 1:22.95 | +13.46s to B | 2024-03-09 | 2024 AAAA SW SCY End of Season Splash venue |
| 200 Breaststroke | SCY | 3:01.45 | +9.96s to B | 2024-03-09 | 2024 AAAA SW SCY End of Season Splash venue |
| 100 Individual Medley | SCY | 1:17.48 | 2024-03-09 | 2024 AAAA SW SCY End of Season Splash venue | |
| 200 Individual Medley | SCY | 2:41.13 | +6.94s to B | 2024-03-09 | 2024 AAAA SW SCY End of Season Splash venue |
| 50 Freestyle | LCM | 29.33 | BB+0.74s to A | 2026-06-11 | 2026 ST NIST George Block Invitational |
| 100 Freestyle | LCM | 1:10.99 | B+3.50s to BB | 2026-06-10 | Splash Into Summer venue |
| 50 Backstroke | LCM | 36.74 | B+0.85s to BB | 2026-06-12 | 2026 ST NIST George Block Invitational fast pool |
| 100 Backstroke | LCM | 1:17.21 | B+1.82s to BB | 2024-06-20 | 2024 ST AAAA NS George Block Invite |
| 50 Breaststroke | LCM | 39.58 | BB+3.09s to A | 2026-06-10 | Splash Into Summer venue |
| 100 Breaststroke | LCM | 1:22.90 | BB+4.51s to A | 2026-06-11 | 2026 ST NIST George Block Invitational |
| 200 Breaststroke | LCM | 2:57.80 | BB+6.41s to A | 2026-06-11 | 2026 ST NIST George Block Invitational |
| 50 Butterfly | LCM | 1:10.99 | +34.50s to B | 2026-06-10 | Splash Into Summer |
| 100 Butterfly | LCM | 1:25.77 | +7.18s to B | 2026-06-10 | Splash Into Summer venue |
| 200 Individual Medley | LCM | 2:47.83 | B+1.84s to BB | 2026-06-10 | Splash Into Summer |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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.
IMX / IMR
IMX 15-16 · LCM
1039 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR LCM | 2:57.80 | 552 |
| 200 IM LCM | 2:47.83 | 487 |
| 400 FR LCM | — | 0 |
| 200 BK LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · LCM
1776 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:17.21 | 457 |
| 100 BR LCM | 1:22.90 | 530 |
| 100 FL LCM | 1:25.77 | 302 |
| 200 IM LCM | 2:47.83 | 487 |
| 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 1:07.23
Front half 32.26s · back half 34.97s
100 Backstroke SCY 1:22.95
Front half 40.48s · back half 42.47s
200 Breaststroke SCY 3:01.45
Front half 86.74s · back half 94.71s
100 Individual Medley SCY 1:17.48
Front half 37.53s · back half 39.95s
200 Individual Medley SCY 2:41.13
Front half 81.39s · back half 79.74s
100 Freestyle LCM 1:10.99
Front half 32.49s · back half 38.50s
100 Butterfly LCM 1:25.77
Front half 38.70s · back half 47.07s
200 Individual Medley LCM 2:47.83 split/total mismatch
Progression
Faster times are higher. One card per event, all courses & history.