swimMason Bjork
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Backstroke | SCY | 42.15 | BB+4.36s to A | 2025-11-10 | nt TBTpcGcg63XCYXtrF |
| 50 Breaststroke | SCY | 1:00.71 | +7.22s to B | 2025-11-10 | nt TBTpcGcg63XCYXtrF |
| 100 Individual Medley | SCY | 1:20.15 | BB+0.26s to A | 2025-11-10 | nt TBTpcGcg63XCYXtrF |
| 50 Freestyle | LCM | 45.74 | +1.85s to B | 2026-06-15 | nt xjBKTvscbSvwCtBdM |
| 50 Backstroke | LCM | 50.20 | B+0.91s to BB | 2026-06-15 | nt xjBKTvscbSvwCtBdM |
| 100 Backstroke | LCM | 1:49.15 | B+4.66s to BB | 2026-06-15 | nt xjBKTvscbSvwCtBdM |
| 50 Breaststroke | LCM | 58.49 | B+4.10s to BB | 2026-06-15 | nt xjBKTvscbSvwCtBdM |
| 100 Breaststroke | LCM | 2:08.16 | B+8.77s to BB | 2026-06-15 | nt xjBKTvscbSvwCtBdM |
| 50 Butterfly | LCM | 36.34 | AAA+1.65s to AAAA | 2026-06-15 | nt xjBKTvscbSvwCtBdM |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
IMX / IMR
IMX 10 & under · LCM
759 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:49.15 | 393 |
| 100 BR LCM | 2:08.16 | 366 |
| 200 FR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · LCM
1625 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 50.20 | 400 |
| 50 BR LCM | 58.49 | 356 |
| 50 FL LCM | 36.34 | 869 |
| 100 FR 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 Individual Medley SCY 1:20.15 split/total mismatch
100 Backstroke LCM 1:49.15 split/total mismatch
Front half 43.57s · back half 65.58s
100 Breaststroke LCM 2:08.16 split/total mismatch
Front half 65.14s · back half 63.02s
Progression
Faster times are higher. One card per event, all courses & history.