swimJiajun Zu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.34 | A+0.65s to AA·+1.15s to Sectionals | 2026-07-25 | Zone 2 Summer Championshipsvenue |
| 100 Freestyle | SCY | 52.42 | A+0.43s to AA·+1.43s to Sectionals | 2026-10-24 | Orinda Aquatics SC Senior Open Meetvenue |
| 200 Freestyle | SCY | 2:04.07 | BB+5.48s to A·+12.28s to Sectionals | 2026-10-31 | Albany Armada Aquatics SC C/B/BB+venue |
| 50 Backstroke | SCY | 29.49 | BB+1.50s to A·+5.80s to Futures | 2026-10-31 | Albany Armada Aquatics SC C/B/BB+venue |
| 100 Backstroke | SCY | 1:03.17 | BB+3.58s to A·+7.68s to Sectionals | 2026-10-31 | Albany Armada Aquatics SC C/B/BB+venue |
| 200 Backstroke | SCY | 2:21.85 | B+0.86s to BB·+20.56s to Sectionals | 2026-01-11 | PC-LAC C-B-BB-26venue |
| 50 Breaststroke | SCY | 32.08 | A+1.29s to AA·+5.79s to Futures | 2026-09-19 | PC-LAC C-B-BB-26 - copiedvenue |
| 100 Breaststroke | SCY | 1:14.38 | B+1.39s to BB·+11.19s to Sectionals | 2026-01-11 | PC-LAC C-B-BB-26venue |
| 50 Butterfly | SCY | 29.33 | BB+1.54s to A·+6.44s to Futures | 2026-09-20 | PC-LAC C-B-BB-26 - copiedvenue |
| 100 Butterfly | SCY | 1:09.44 | +0.75s to B·+14.25s to Sectionals | 2026-09-19 | PC-LAC C-B-BB-26 - copiedvenue |
| 100 Individual Medley | SCY | 1:05.07 | 2026-05-17 | Montclair 14-Under Short Course Pentathlonvenue | |
| 50 Freestyle | LCM | 27.73 | A+0.34s to AA·+0.74s to Sectionals | 2026-06-28 | Pacific Swimming Long Course Senior Openvenue |
| 100 Freestyle | LCM | 59.89 | A+0.20s to AA·+0.90s to Sectionals | 2026-06-27 | Pacific Swimming Long Course Senior Openvenue |
| 200 Freestyle | LCM | 2:34.08 | B+5.49s to BB·+25.39s to Sectionals | 2026-04-25 | San Ramon Valley Aquatics long course C/B/BB+venue |
| 100 Backstroke | LCM | 1:16.40 | B+1.01s to BB·+11.21s to Sectionals | 2026-06-13 | PC-CDST LC C/B/BB+ 26-074venue |
| 200 Backstroke | LCM | 2:44.04 | B+0.35s to BB·+22.55s to Sectionals | 2026-04-26 | San Ramon Valley Aquatics long course C/B/BB+venue |
| 100 Breaststroke | LCM | 1:30.11 | B+5.22s to BB·+16.41s to Sectionals | 2026-04-26 | San Ramon Valley Aquatics long course C/B/BB+venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 | 25.51 | flat | 200 Free Relay | 2026-03-20 | SCY Spring Age Group Championships |
| 100 Freestyle | SCY | 54.48 | flying | 400 Free Relay (leg 3) | 2026-03-22 | SCY Spring Age Group Championships |
| 50 Freestyle | LCM | 27.28 | flying | 200 Free Relay (leg 4) | 2026-07-31 | Long Course Far Westerns |
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 · LCM
488 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 2:44.04 | 488 |
| 400 FR LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · SCY
1919 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:04.07 | 555 |
| 100 BK SCY | 1:03.17 | 516 |
| 100 BR SCY | 1:14.38 | 466 |
| 100 FL SCY | 1:09.44 | 382 |
| 200 IM 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 52.42
Front half 25.24s · back half 27.18s
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.