Mason Ma
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.75 | A+0.96s to AA | 2025-12-14 | 2025 CO NJ Blizzard Invite fast pool |
| 100 Freestyle | SCY | 1:06.28 | BB+1.09s to A | 2026-02-15 | 2026 CO ACES Winter Open fast pool |
| 200 Freestyle | SCY | 3:01.54 | +14.95s to B | 2025-01-25 | 2025 CO TOPS Colorado Open venue |
| 500 Freestyle | SCY | 6:51.28 | BB+28.79s to A | 2025-12-27 | 2025 CO ACES Intra-Squad Distance Meet venue |
| 50 Backstroke | SCY | 32.42 | AA+0.63s to AAA | 2026-02-28 | 2026 CO CSI SC Age Group Championships fast pool |
| 100 Backstroke | SCY | 1:10.35 | AA+1.76s to AAA | 2026-01-24 | 2026 CO TOPS Colorado Open venue |
| 200 Backstroke | SCY | 2:35.17 | A+1.08s to AA | 2025-12-27 | 2025 CO ACES Intra-Squad Distance Meet venue |
| 50 Breaststroke | SCY | 44.68 | B+1.49s to BB | 2025-01-01 | 2025 CO ACES Intra-Squad #1 |
| 100 Breaststroke | SCY | 1:29.44 | BB+4.45s to A | 2026-01-25 | 2026 CO TOPS Colorado Open venue |
| 200 Breaststroke | SCY | 3:14.73 | BB+11.14s to A | 2026-02-14 | 2026 CO ACES Winter Open fast pool |
| 50 Butterfly | SCY | 31.47 | AA+0.98s to AAA | 2026-01-24 | 2026 CO TOPS Colorado Open venue |
| 100 Butterfly | SCY | 1:10.41 | AA+2.22s to AAA | 2026-03-01 | 2026 CO CSI SC Age Group Championships fast pool |
| 200 Butterfly | SCY | 3:00.88 | B+2.79s to BB | 2026-01-10 | 2026 CO NJ Narwhal Invitational fast pool |
| 100 Individual Medley | SCY | 1:13.45 | A+1.36s to AA | 2026-02-28 | 2026 CO CSI SC Age Group Championships fast pool |
| 200 Individual Medley | SCY | 2:41.37 | A+4.88s to AA | 2026-03-07 | 2026 CO 14&U Silver State venue |
| 50 Freestyle | LCM | 33.83 | A+1.04s to AA | 2026-05-16 | 2026 CO ACES Spring Invite venue |
| 100 Freestyle | LCM | 1:13.55 | A+1.46s to AA | 2026-05-17 | 2026 CO ACES Spring Invite venue |
| 50 Backstroke | LCM | 40.35 | BB+0.06s to A | 2025-07-27 | 2025 CO CSI Age Group Championships venue |
| 100 Backstroke | LCM | 1:20.45 | AA+0.46s to AAA | 2026-05-17 | 2026 CO ACES Spring Invite venue |
| 200 Backstroke | LCM | 2:52.45 | AA+1.96s to AAA | 2026-05-16 | 2026 CO ACES Spring Invite venue |
| 50 Breaststroke | LCM | 46.52 | BB+1.53s to A | 2026-05-17 | 2026 CO ACES Spring Invite venue |
| 100 Breaststroke | LCM | 1:30.60 | AA+0.31s to AAA | 2026-05-16 | 2026 CO ACES Spring Invite venue |
| 50 Butterfly | LCM | 34.64 | AA+0.25s to AAA | 2026-05-17 | 2026 CO ACES Spring Invite venue |
| 100 Butterfly | LCM | 1:26.79 | BB+0.30s to A | 2026-05-15 | 2026 CO ACES Spring Invite |
| 200 Individual Medley | LCM | 3:11.63 | BB+4.14s to A | 2025-07-25 | 2025 CO CSI Age Group Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
IMX / IMR
IMX 11-12 · SCY
2627 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:51.28 | 449 |
| 100 BK SCY | 1:10.35 | 604 |
| 100 BR SCY | 1:29.44 | 435 |
| 100 FL SCY | 1:10.41 | 591 |
| 200 IM SCY | 2:41.37 | 548 |
IMR 11-12 · SCY
2459 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:01.54 | 267 |
| 50 BK SCY | 32.42 | 657 |
| 50 BR SCY | 44.68 | 350 |
| 50 FL SCY | 31.47 | 610 |
| 100 IM SCY | 1:13.45 | 575 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:06.28
Front half 31.29s · back half 34.99s
200 Freestyle SCY 3:01.54
Front half 90.14s · back half 91.40s
500 Freestyle SCY 6:51.28
Front half 204.02s · back half 207.26s
100 Backstroke SCY 1:10.35
Front half 33.69s · back half 36.66s
200 Backstroke SCY 2:35.17
Front half 74.90s · back half 80.27s
100 Breaststroke SCY 1:29.44
Front half 43.16s · back half 46.28s
200 Breaststroke SCY 3:14.73
Front half 93.18s · back half 101.55s
100 Butterfly SCY 1:10.41
Front half 32.16s · back half 38.25s
200 Butterfly SCY 3:00.88
Front half 78.64s · back half 102.24s
100 Individual Medley SCY 1:13.45
Front half 34.65s · back half 38.80s
200 Individual Medley SCY 2:41.37
Front half 74.23s · back half 87.14s
200 Backstroke LCM 2:52.45
Front half 83.55s · back half 88.90s
200 Individual Medley LCM 3:11.63
Front half 90.37s · back half 101.26s
Progression
Faster times are higher. One card per event, all courses & history.