swimJeffrey Zhao
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.21 | B+0.42s to BB | 2026-03-29 | 2026 PN Spring Showdown, Div. 4- Approved fast pool |
| 100 Freestyle | SCY | 1:00.76 | B+1.97s to BB | 2026-01-24 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 200 Freestyle | SCY | 2:14.59 | B+6.20s to BB | 2025-12-07 | 2025 PN Fall Divisionals, Division 3 - WAVE fast pool |
| 50 Backstroke | SCY | 32.79 | +0.10s to B | 2026-03-29 | 2026 PN Spring Showdown, Div. 4- Approved fast pool |
| 50 Breaststroke | SCY | 33.59 | BB+1.50s to A | 2026-01-25 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 100 Breaststroke | SCY | 1:13.63 | B+0.64s to BB | 2026-03-29 | 2026 PN Spring Showdown, Div. 4- Approved fast pool |
| 200 Breaststroke | SCY | 2:44.66 | B+5.47s to BB | 2026-01-25 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 50 Butterfly | SCY | 32.13 | B+2.04s to BB | 2026-01-24 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 100 Individual Medley | SCY | 1:11.64 | 2025-02-22 | 2025 PN IST Feb Invitational venue | |
| 200 Individual Medley | SCY | 2:29.13 | B+5.94s to BB | 2025-12-06 | 2025 PN Fall Divisionals, Division 3 - WAVE fast pool |
| 50 Freestyle | LCM | 30.49 | BB+1.90s to A | 2026-05-02 | 2026 PN BC May Flowers - Approved venue |
| 100 Freestyle | LCM | 1:17.33 | +4.64s to B | 2024-06-22 | 2024 IST June Invtational venue |
| 100 Backstroke | LCM | 1:26.25 | +5.06s to B | 2025-06-15 | 2025 IST June Invtational venue |
| 50 Breaststroke | LCM | 37.42 | BB+0.93s to A | 2026-05-02 | 2026 PN BC May Flowers - Approved venue |
| 100 Breaststroke | LCM | 1:24.35 | BB+5.96s to A | 2026-05-03 | 2026 PN BC May Flowers - Approved venue |
| 200 Breaststroke | LCM | 3:24.97 | +5.08s to B | 2025-07-12 | 2025 PN OCA July Jamboree Invitational venue |
| 50 Butterfly | LCM | 35.44 | B+1.55s to BB | 2026-05-03 | 2026 PN BC May Flowers - Approved venue |
| 200 Individual Medley | LCM | 3:03.44 | +4.65s to B | 2025-06-14 | 2025 IST June Invtational venue |
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.87 | flat | 200 Free Relay | 2024-09-28 | 2024 PN IST Sockeye Sprints |
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 15-16 · SCY
877 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:44.66 | 440 |
| 200 IM SCY | 2:29.13 | 437 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
1352 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:14.59 | 435 |
| 100 BR SCY | 1:13.63 | 480 |
| 200 IM SCY | 2:29.13 | 437 |
| 100 BK SCY | — | 0 |
| 100 FL SCY | — | 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 1:00.76
Front half 29.34s · back half 31.42s
200 Freestyle SCY 2:14.59
Front half 64.95s · back half 69.64s
100 Breaststroke SCY 1:13.63
Front half 34.88s · back half 38.75s
200 Breaststroke SCY 2:44.66
Front half 80.92s · back half 83.74s
100 Individual Medley SCY 1:11.64
Front half 33.93s · back half 37.71s
200 Individual Medley SCY 2:29.13
Front half 71.04s · back half 78.09s
200 Breaststroke LCM 3:24.97 RT 0.68s
Front half 99.07s · back half 105.90s
200 Individual Medley LCM 3:03.44 RT 0.69s
Front half 88.39s · back half 95.05s
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.