swimMason Chamberlin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 25.66 | 2022-02-20 | 2022 RRV Mile Meet venue | |
| 50 Freestyle | SCY | 45.37 | +10.28s to B | 2024-01-13 | 2024 MN DRGN Fire and Ice Invite venue |
| 25 Backstroke | SCY | 26.74 | 2022-02-19 | 2022 RRV Mile Meet venue | |
| 50 Backstroke | SCY | 46.60 | +5.41s to B | 2024-01-13 | 2024 MN DRGN Fire and Ice Invite venue |
| 25 Breaststroke | SCY | 32.34 | 2022-02-19 | 2022 RRV Mile Meet venue | |
| 50 Breaststroke | SCY | 59.03 | +12.14s to B | 2024-01-13 | 2024 MN DRGN Fire and Ice Invite venue |
| 25 Butterfly | SCY | 36.71 | 2022-02-13 | 2022 WFF Prochnow Invitational venue | |
| 100 Individual Medley | SCY | 1:51.28 | +23.19s to B | 2024-01-13 | 2024 MN DRGN Fire and Ice Invite venue |
| 50 Freestyle | LCM | 1:10.12 | +30.23s to B | 2021-07-23 | 2021 ND LC Championship venue |
| 100 Freestyle | LCM | 1:30.86 | +3.07s to B | 2026-06-13 | 2026 Island Park Invite venue |
| 50 Backstroke | LCM | 45.99 | B+2.00s to BB | 2026-06-13 | 2026 Island Park Invite venue |
| 200 Backstroke | LCM | 3:56.00 | +19.01s to B | 2026-06-12 | 2026 Island Park Invite venue |
| 50 Breaststroke | LCM | 53.32 | B+4.13s to BB | 2026-06-14 | 2026 Island Park Invite venue |
| 200 Breaststroke | LCM | 4:01.10 | B+11.11s to BB | 2026-06-14 | 2026 Island Park Invite venue |
| 200 Individual Medley | LCM | 3:39.24 | B+15.15s to BB | 2026-06-12 | 2026 Island Park Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
IMX / IMR
IMX 11-12 · LCM
324 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM LCM | 3:39.24 | 324 |
| 400 FR LCM | — | 0 |
| 100 BK LCM | — | 0 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 0 |
IMR 11-12 · LCM
989 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 45.99 | 355 |
| 50 BR LCM | 53.32 | 310 |
| 200 IM LCM | 3:39.24 | 324 |
| 200 FR LCM | — | 0 |
| 50 FL 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 1:51.28
Front half 57.25s · back half 54.03s
100 Freestyle LCM 1:30.86
Front half 42.34s · back half 48.52s
200 Backstroke LCM 3:56.00
200 Breaststroke LCM 4:01.10
Front half 121.07s · back half 120.03s
200 Individual Medley LCM 3:39.24
Front half 110.01s · back half 109.23s
Progression
Faster times are higher. One card per event, all courses & history.