swimMason Piersons
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 47.18 | +8.89s to B | 2026-03-28 | 2026 MR Metro Bronze Championship - North venue |
| 100 Freestyle | SCY | 1:47.53 | +19.04s to B | 2025-12-07 | 2025 MR BGNW December 14-Under Invitational venue |
| 50 Backstroke | SCY | 57.50 | +9.01s to B | 2026-01-01 | 2026 Metropolitan Swimming Bronze Championships North |
| 100 Backstroke | SCY | 2:14.33 | +33.24s to B | 2024-12-06 | 2024 MR BGNW December 14-Under Invitational |
| 50 Breaststroke | SCY | 57.87 | +4.38s to B | 2026-01-01 | 2026 Metropolitan Swimming Bronze Championships North |
| 100 Individual Medley | SCY | 2:05.18 | +25.39s to B | 2024-12-06 | 2024 MR BGNW December 14-Under Invitational |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
IMX / IMR
IMX 10 & under · SCY
135 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 2:14.33 | 135 |
| 200 FR SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
775 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:47.53 | 179 |
| 50 BK SCY | 57.50 | 175 |
| 50 BR SCY | 57.87 | 248 |
| 100 IM SCY | 2:05.18 | 173 |
| 50 FL 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 1:47.53
Front half 49.55s · back half 57.98s
100 Backstroke SCY 2:14.33
Front half 64.05s · back half 70.28s
100 Individual Medley SCY 2:05.18
Front half 58.08s · back half 67.10s
Progression
Faster times are higher. One card per event, all courses & history.