swimChinchuan Ma
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 19.93 | 2024-11-30 | 2024 NE ANA Hurricans US Invitationalvenue | |
| 50 Freestyle | SCY | 41.07 | +8.28s to B·+18.68s to Sectionals | 2026-03-14 | 2026 Shawmut NE Cup Championshipvenue |
| 100 Freestyle | SCY | 1:33.58 | +22.09s to B·+45.09s to Sectionals | 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 Invitationalvenue | |
| 50 Backstroke | SCY | 54.59 | +16.10s to B·+30.90s to Futures | 2024-10-19 | 2024 NE CRIM OCTOBER TEAM SPECIALTY W/ DISTvenue |
| 100 Backstroke | SCY | 1:50.34 | +28.15s to B·+55.85s to Sectionals | 2025-10-04 | 2025 NE CRIM IMR PENTATHLON - copiedvenue |
| 200 Backstroke | SCY | 4:05.20 | +72.31s to B·+126.61s to Sectionals | 2025-12-12 | 2025 NE NSSC Dec 13-15 Holiday Celebration! |
| 25 Breaststroke | SCY | 26.06 | 2024-11-30 | 2024 NE ANA Hurricans US Invitationalvenue | |
| 50 Breaststroke | SCY | 49.15 | +5.66s to B·+22.86s to Futures | 2025-11-22 | 2025 NE RIAC Earn Your Turkeyvenue |
| 100 Breaststroke | SCY | 1:45.24 | +12.65s to B·+43.75s to Sectionals | 2026-01-10 | 2026 NE YNS YMCA Eastern MA Districtsvenue |
| 200 Breaststroke | SCY | 3:40.89 | +24.40s to B·+85.90s to Sectionals | 2026-03-14 | 2026 Shawmut NE Cup Championshipvenue |
| 25 Butterfly | SCY | 25.60 | 2024-11-30 | 2024 NE ANA Hurricans US Invitationalvenue | |
| 50 Butterfly | SCY | 1:02.62 | +25.53s to B·+39.73s to Futures | 2024-10-19 | 2024 NE CRIM OCTOBER TEAM SPECIALTY W/ DISTvenue |
| 100 Butterfly | SCY | 2:12.90 | +50.01s to B·+79.71s to Sectionals | 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·+21.54s to Sectionals | 2026-06-07 | 2026 NE KING-CAC Almost Summer Invitevenue |
| 100 Freestyle | LCM | 1:57.53 | +35.44s to B·+62.04s to Sectionals | 2024-06-08 | 2024 NE KING-CAC Almost Summer Invitevenue |
| 50 Backstroke | LCM | 1:00.22 | +15.63s to B·+32.33s to Futures | 2025-06-21 | 2025 NE NSSC June 21 Springfield Specialtyvenue |
| 100 Backstroke | LCM | 2:12.66 | +35.47s to B·+70.67s to Sectionals | 2025-01-01 | 2025 ne sac may madness results |
| 50 Breaststroke | LCM | 56.39 | +6.60s to B·+25.50s to Futures | 2026-06-07 | 2026 NE KING-CAC Almost Summer Invitevenue |
| 100 Breaststroke | LCM | 2:10.54 | +22.75s to B·+60.85s to Sectionals | 2025-06-21 | 2025 NE NSSC June 21 Springfield Specialtyvenue |
| 200 Breaststroke | LCM | 4:09.15 | +21.26s to B·+96.56s to Sectionals | 2026-06-07 | 2026 NE KING-CAC Almost Summer Invitevenue |
| 50 Butterfly | LCM | 1:05.31 | +23.32s to B·+39.02s to Futures | 2024-06-08 | 2024 NE KING-CAC Almost Summer Invitevenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 1:52.81 | flying | 200 Free Relay (leg 3) | 2026-01-10 | 2026 NE YNS YMCA Eastern MA Districts |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
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
Front half 120.90s · back half 128.25s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.