swimMason Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 41.39 | +3.10s to B·+18.20s to Sectionals | 2025-10-19 | 2025 PN IST Fall Open venue |
| 100 Freestyle | SCY | 1:37.57 | +9.08s to B·+46.58s to Sectionals | 2026-04-19 | 2026 PN UPAC Mark Olson Classic- Approved venue |
| 50 Backstroke | SCY | 38.98 | BB+1.19s to A·+15.29s to Futures | 2025-11-09 | 2025 PN C Pentathlon |
| 50 Breaststroke | SCY | 1:00.34 | +6.85s to B·+34.05s to Futures | 2025-10-19 | 2025 PN IST Fall Open venue |
| 100 Breaststroke | SCY | 1:47.50 | B+3.91s to BB·+44.31s to Sectionals | 2026-02-16 | 1705003 |
| 100 Individual Medley | SCY | 1:42.13 | +2.34s to B | 2025-11-09 | 2025 PN C Pentathlon |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 10 & under · SCY
393 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR SCY | 1:47.50 | 393 |
| 200 FR SCY | — | 0 |
| 100 BK SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
1341 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:37.57 | 240 |
| 50 BK SCY | 38.98 | 563 |
| 50 BR SCY | 1:00.34 | 219 |
| 100 IM SCY | 1:42.13 | 319 |
| 50 FL SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
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.