swimMason Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 39.13 | +4.04s to B·+15.94s to Sectionals | 2026-09-26 | 2026 PN SAM Samena & Mish Meet Approvedvenue |
| 100 Freestyle | SCY | 1:37.57 | +21.48s to B·+46.58s to Sectionals | 2026-04-19 | 2026 PN UPAC Mark Olson Classic- Approvedvenue |
| 50 Backstroke | SCY | 51.73 | +10.54s to B·+28.04s to Futures | 2026-03-08 | 2026 PN C March Madness -Approvedvenue |
| 50 Breaststroke | SCY | 50.48 | +3.59s to B·+24.19s to Futures | 2026-10-03 | 2026 PN OCA John Walker Invitational- Approvevenue |
| 100 Breaststroke | SCY | 1:47.50 | +7.21s to B·+44.31s to Sectionals | 2026-02-16 | 1705003 |
| 50 Butterfly | SCY | 44.35 | +4.26s to B·+21.46s to Futures | 2026-10-03 | 2026 PN OCA John Walker Invitational- Approvevenue |
| 100 Individual Medley | SCY | 1:39.75 | +11.66s to B | 2026-10-03 | 2026 PN OCA John Walker Invitational- Approvevenue |
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 · SCY
250 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR SCY | 1:47.50 | 250 |
| 500 FR SCY | — | 0 |
| 100 BK SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
849 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 51.73 | 161 |
| 50 BR SCY | 50.48 | 242 |
| 50 FL SCY | 44.35 | 217 |
| 100 IM SCY | 1:39.75 | 229 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Individual Medley SCY 1:39.75
Front half 49.72s · back half 50.03s
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.