swimJonathan Chu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 49.53 | +14.44s to B·+26.34s to Sectionals | 2026-03-08 | BAC Race to AGCsvenue |
| 100 Freestyle | SCY | 1:54.24 | +38.15s to B·+63.25s to Sectionals | 2026-02-07 | 2026 PSL Super Finals Invitationalvenue |
| 50 Backstroke | SCY | 50.09 | +8.90s to B·+26.40s to Futures | 2026-01-11 | SSF NEW YEAR SPLASH C/B/A+venue |
| 100 Backstroke | SCY | 1:52.63 | +22.84s to B·+57.14s to Sectionals | 2026-03-29 | PSL March CBA+venue |
| 50 Breaststroke | SCY | 1:02.61 | +15.72s to B·+36.32s to Futures | 2026-02-07 | 2026 PSL Super Finals Invitationalvenue |
| 100 Individual Medley | SCY | 2:14.04 | +45.95s to B | 2026-03-29 | PSL March CBA+venue |
| 50 Freestyle | LCM | 52.09 | +12.20s to B·+25.10s to Sectionals | 2026-06-28 | SUNN Silicon Valley CBA+ LCMvenue |
| 100 Freestyle | LCM | 2:10.87 | +43.08s to B·+71.88s to Sectionals | 2026-07-11 | 2026 NNA Silver State Championshipsvenue |
| 200 Freestyle | LCM | 4:28.47 | +78.68s to B·+139.78s to Sectionals | 2026-07-12 | 2026 NNA Silver State Championshipsvenue |
| 50 Backstroke | LCM | 54.55 | +6.96s to B·+26.66s to Futures | 2026-07-11 | 2026 NNA Silver State Championshipsvenue |
| 100 Backstroke | LCM | 2:09.65 | +24.96s to B·+64.46s to Sectionals | 2026-06-28 | SUNN Silicon Valley CBA+ LCMvenue |
| 50 Breaststroke | LCM | 1:07.57 | +14.18s to B·+36.68s to Futures | 2026-06-28 | SUNN Silicon Valley CBA+ LCMvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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.
IMX / IMR
IMX 11-12 · LCM
160 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 2:09.65 | 160 |
| 400 FR LCM | — | 0 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · LCM
490 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 4:28.47 | 125 |
| 50 BK LCM | 54.55 | 213 |
| 50 BR LCM | 1:07.57 | 152 |
| 50 FL LCM | — | 0 |
| 200 IM 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 1:54.24
Front half 51.48s · back half 62.76s
100 Freestyle LCM 2:10.87
Front half 61.02s · back half 69.85s
200 Freestyle LCM 4:28.47 RT 0.67s
Front half 131.74s · back half 136.73s
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.
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.