Mason Chou
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.40 | AA+0.91s to AAA·+2.01s to Sectionals | 2026-01-01 | 2026 ne ob bsg worcester qualifier results |
| 100 Freestyle | SCY | 53.83 | A+0.34s to AA·+5.34s to Sectionals | 2026-01-01 | 2026 ne ob bsg worcester qualifier results |
| 200 Freestyle | SCY | 2:00.57 | A+3.48s to AA·+14.28s to Sectionals | 2025-01-19 | 2025 NE SAC Bronze Championshipsvenue |
| 500 Freestyle | SCY | 6:13.43 | B+15.04s to BB·+86.04s to Sectionals | 2024-10-19 | 2024 NE SAC SPOOKTACULARvenue |
| 100 Backstroke | SCY | 1:01.25 | BB+0.06s to A·+6.76s to Sectionals | 2026-01-01 | 2026 ne ob bsg worcester qualifier results |
| 200 Backstroke | SCY | 2:13.36 | BB+0.37s to A·+14.77s to Sectionals | 2025-03-08 | 2025 NE Cup Championship by Shawmutvenue |
| 100 Breaststroke | SCY | 1:10.15 | BB+1.06s to A·+8.66s to Sectionals | 2025-01-05 | 2025 NE PHX Boston Winter Classicvenue |
| 200 Breaststroke | SCY | 2:47.88 | B+5.09s to BB·+32.89s to Sectionals | 2024-12-15 | 2024 NE SHAWMUT Candy Cane Classicvenue |
| 100 Butterfly | SCY | 1:03.53 | BB+3.14s to A·+10.34s to Sectionals | 2024-12-14 | 2024 NE SHAWMUT Candy Cane Classicvenue |
| 200 Individual Medley | SCY | 2:16.52 | BB+1.13s to A·+17.13s to Sectionals | 2025-01-05 | 2025 NE PHX Boston Winter Classicvenue |
| 400 Individual Medley | SCY | 5:09.02 | BB+19.53s to A·+53.93s to Sectionals | 2024-12-14 | 2024 NE SHAWMUT Candy Cane Classicvenue |
| 50 Freestyle | LCM | 28.48 | A+0.29s to AA·+2.99s to Sectionals | 2025-06-22 | 2025 NE CS June Summer Solsticevenue |
| 100 Freestyle | LCM | 1:01.39 | AA+2.40s to AAA·+5.90s to Sectionals | 2025-01-01 | 2025 ne sac america s cup results |
| 200 Freestyle | LCM | 2:16.07 | A+1.38s to AA·+14.78s to Sectionals | 2023-06-30 | 2023 NE BGSC June 30-July 2 Summer Solstice |
| 400 Freestyle | LCM | 5:25.10 | B+0.21s to BB·+67.51s to Sectionals | 2025-04-12 | 2025 NE YNS April IMX & IMR Challengevenue |
| 50 Backstroke | LCM | 34.35 | BB+0.46s to A·+6.46s to Futures | 2024-07-27 | 2024 NE SHAWMUT America's Cupvenue |
| 100 Backstroke | LCM | 1:11.41 | A+2.72s to AA·+9.42s to Sectionals | 2025-01-01 | 2025 ne sac may madness results |
| 200 Backstroke | LCM | 2:34.70 | A+5.21s to AA·+19.91s to Sectionals | 2025-05-31 | 2025 YNS LCM Prelims Finals Meetvenue |
| 50 Breaststroke | LCM | 36.58 | A+0.29s to AA·+5.69s to Futures | 2025-01-01 | 2025 ne sac may madness results |
| 100 Breaststroke | LCM | 1:25.38 | BB+4.79s to A·+15.69s to Sectionals | 2025-06-22 | 2025 NE CS June Summer Solsticevenue |
| 200 Breaststroke | LCM | 3:16.43 | B+7.04s to BB·+43.84s to Sectionals | 2024-05-11 | 2024 NE BGSC May 10-12 Spring Flingvenue |
| 100 Butterfly | LCM | 1:17.25 | B+2.66s to BB·+17.06s to Sectionals | 2025-01-01 | 2025 ne sac america s cup results |
| 200 Individual Medley | LCM | 2:41.70 | BB+4.81s to A·+25.51s to Sectionals | 2025-04-12 | 2025 NE YNS April IMX & IMR Challengevenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 | 24.69 | flying | 200 Free Relay (leg 4) | 2024-12-15 | 2024 NE SHAWMUT Candy Cane Classic |
| 50 Freestyle | SCY | 24.60 | flying | 200 Medley Relay (leg 4) | 2024-12-14 | 2024 NE SHAWMUT Candy Cane Classic |
| 50 Freestyle | LCM | 28.86 | flat | 200 Free Relay | 2024-07-27 | 2024 NE SHAWMUT America's Cup |
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 13-14 · SCY
2801 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:13.43 | 464 |
| 200 BK SCY | 2:13.36 | 657 |
| 200 BR SCY | 2:47.88 | 477 |
| 200 IM SCY | 2:16.52 | 653 |
| 400 IM SCY | 5:09.02 | 550 |
| 200 FL SCY | — | 0 |
IMR 13-14 · SCY
3229 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:00.57 | 696 |
| 100 BK SCY | 1:01.25 | 666 |
| 100 BR SCY | 1:10.15 | 637 |
| 100 FL SCY | 1:03.53 | 577 |
| 200 IM SCY | 2:16.52 | 653 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:00.57
Front half 57.95s · back half 62.62s
500 Freestyle SCY 6:13.43
200 Backstroke SCY 2:13.36
Front half 64.12s · back half 69.24s
100 Breaststroke SCY 1:10.15
Front half 33.89s · back half 36.26s
200 Breaststroke SCY 2:47.88
Front half 81.59s · back half 86.29s
100 Butterfly SCY 1:03.53
Front half 30.65s · back half 32.88s
200 Individual Medley SCY 2:16.52
Front half 64.06s · back half 72.46s
400 Individual Medley SCY 5:09.02
Front half 144.27s · back half 164.75s
200 Freestyle LCM 2:16.07 split/total mismatch
400 Freestyle LCM 5:25.10
Front half 159.32s · back half 165.78s
200 Backstroke LCM 2:34.70
Front half 72.89s · back half 81.81s
100 Breaststroke LCM 1:25.38
Front half 40.15s · back half 45.23s
200 Breaststroke LCM 3:16.43
Front half 95.16s · back half 101.27s
200 Individual Medley LCM 2:41.70
Front half 76.25s · back half 85.45s
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.