swimChinchuan Ma
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 19.93 | 2024-11-30 | 2024 NE ANA Hurricans US Invitational venue | |
| 50 Freestyle | SCY | 41.07 | +8.28s to B | 2026-03-13 | 2026 Shawmut NE Cup Championship |
| 100 Freestyle | SCY | 1:33.58 | +22.09s to B | 2026-01-01 | 42.13 48.78 50.62 48.93 34.86 40.62 |
| 25 Backstroke | SCY | 23.50 | 2024-11-30 | 2024 NE ANA Hurricans US Invitational venue | |
| 50 Backstroke | SCY | 54.59 | +16.10s to B | 2024-10-19 | 2024 NE CRIM OCTOBER TEAM SPECIALTY W/ DIST venue |
| 100 Backstroke | SCY | 1:50.34 | +28.15s to B | 2025-10-04 | 2025 NE CRIM IMR PENTATHLON - copied venue |
| 200 Backstroke | SCY | 4:05.20 | +72.31s to B | 2025-12-12 | 2025 NE NSSC Dec 13-15 Holiday Celebration! |
| 25 Breaststroke | SCY | 26.06 | 2024-11-30 | 2024 NE ANA Hurricans US Invitational venue | |
| 50 Breaststroke | SCY | 49.15 | +5.66s to B | 2025-11-22 | 2025 NE RIAC Earn Your Turkey |
| 100 Breaststroke | SCY | 1:45.24 | +12.65s to B | 2026-01-10 | 2026 NE YNS YMCA Eastern MA Districts venue |
| 200 Breaststroke | SCY | 3:40.89 | +24.40s to B | 2026-03-14 | 2026 Shawmut NE Cup Championship venue |
| 25 Butterfly | SCY | 25.60 | 2024-11-30 | 2024 NE ANA Hurricans US Invitational venue | |
| 50 Butterfly | SCY | 1:02.62 | +25.53s to B | 2024-10-19 | 2024 NE CRIM OCTOBER TEAM SPECIALTY W/ DIST venue |
| 100 Butterfly | SCY | 2:12.90 | +50.01s to B | 2025-12-12 | 2025 NE NSSC Dec 13-15 Holiday Celebration! |
| 100 Individual Medley | SCY | 1:46.63 | +24.74s to B | 2026-01-01 | 42.13 48.78 50.62 48.93 34.86 40.62 |
| 50 Freestyle | LCM | 47.03 | +9.64s to B | 2026-06-06 | 2026 NE KING-CAC Almost Summer Invite |
| 100 Freestyle | LCM | 1:57.53 | +35.44s to B | 2024-06-08 | 2024 NE KING-CAC Almost Summer Invite venue |
| 50 Backstroke | LCM | 1:00.22 | +15.63s to B | 2025-06-21 | 2025 NE NSSC June 21 Springfield Specialty venue |
| 100 Backstroke | LCM | 2:12.66 | +35.47s to B | 2025-01-01 | 2025 ne sac may madness results |
| 50 Breaststroke | LCM | 56.39 | +6.60s to B | 2026-06-06 | 2026 NE KING-CAC Almost Summer Invite |
| 100 Breaststroke | LCM | 2:10.54 | +22.75s to B | 2025-06-21 | 2025 NE NSSC June 21 Springfield Specialty venue |
| 200 Breaststroke | LCM | 4:09.15 | +21.26s to B | 2026-06-06 | 2026 NE KING-CAC Almost Summer Invite |
| 50 Butterfly | LCM | 1:05.31 | +23.32s to B | 2024-06-08 | 2024 NE KING-CAC Almost Summer Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
IMX / IMR
IMX 11-12 · SCY
510 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:50.34 | 156 |
| 100 BR SCY | 1:45.24 | 267 |
| 100 FL SCY | 2:12.90 | 87 |
| 500 FR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
664 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 54.59 | 137 |
| 50 BR SCY | 49.15 | 262 |
| 50 FL SCY | 1:02.62 | 77 |
| 100 IM SCY | 1:46.63 | 188 |
| 200 FR 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 1:33.58 split/total mismatch
Front half 43.34s · back half 50.24s
200 Backstroke SCY 4:05.20 split/total mismatch
Front half 56.73s · back half 188.47s
100 Breaststroke SCY 1:45.24
Front half 50.97s · back half 54.27s
200 Breaststroke SCY 3:40.89
Front half 107.41s · back half 113.48s
100 Butterfly SCY 2:12.90 split/total mismatch
Front half 60.17s · back half 72.73s
100 Individual Medley SCY 1:46.63 split/total mismatch
100 Breaststroke LCM 2:10.54
Front half 63.12s · back half 67.42s
200 Breaststroke LCM 4:09.15 split/total mismatch
Front half 120.90s · back half 128.25s
Progression
Faster times are higher. One card per event, all courses & history.