Mason Qin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 23.98 | 2022-10-23 | 2022 LGSC Spooktacular Swim Meet slow pool | |
| 50 Freestyle | SCY | 42.56 | +7.47s to B | 2025-03-23 | 2025 Tony St. Onge Memorial venue |
| 100 Freestyle | SCY | 1:35.62 | +19.53s to B | 2025-10-25 | 2025 Spooktacular Swim Meet venue |
| 200 Freestyle | SCY | 3:28.65 | +42.06s to B | 2025-03-23 | 2025 Tony St. Onge Memorial venue |
| 25 Backstroke | SCY | 24.49 | 2023-02-19 | 2023 IES JUNIOR CHAMPIONSHIPS venue | |
| 50 Backstroke | SCY | 50.00 | +8.81s to B | 2025-10-26 | 2025 Spooktacular Swim Meet venue |
| 100 Backstroke | SCY | 1:51.46 | +21.67s to B | 2025-02-15 | 2025 IES JUNIOR CHAMPIONSHIPS fast pool |
| 25 Breaststroke | SCY | 34.44 | 2022-10-22 | 2022 LGSC Spooktacular Swim Meet slow pool | |
| 50 Breaststroke | SCY | 50.48 | +3.59s to B | 2025-10-25 | 2025 Spooktacular Swim Meet venue |
| 100 Breaststroke | SCY | 1:48.73 | +8.44s to B | 2025-10-26 | 2025 Spooktacular Swim Meet venue |
| 25 Butterfly | SCY | 34.62 | 2023-01-29 | 2023 Winter Open venue | |
| 50 Butterfly | SCY | 47.20 | +7.11s to B | 2025-10-25 | 2025 Spooktacular Swim Meet venue |
| 100 Individual Medley | SCY | 1:56.46 | +28.37s to B | 2024-01-28 | 2024 Winter Open venue |
| 200 Individual Medley | SCY | 4:18.79 | +66.10s to B | 2024-10-26 | 2024 Spooktacular Swim Meet slow pool |
| 50 Freestyle | LCM | 45.73 | +5.84s to B | 2025-06-07 | 2025 TRI-CITY INVITATIONAL venue |
| 100 Freestyle | LCM | 1:59.56 | +31.77s to B | 2025-06-08 | 2025 TRI-CITY INVITATIONAL venue |
| 50 Backstroke | LCM | 1:02.32 | +14.73s to B | 2023-07-08 | 2023 Sizzlin' Summer Splash slow pool |
| 100 Backstroke | LCM | 2:20.84 | +36.15s to B | 2024-05-31 | 2024 TRI-CITY INVITATIONAL venue |
| 50 Breaststroke | LCM | 51.57 | B+2.38s to BB | 2023-07-21 | 2023 IES LC Championships |
| 100 Breaststroke | LCM | 2:21.71 | +24.52s to B | 2024-05-31 | 2024 TRI-CITY INVITATIONAL venue |
| 50 Butterfly | LCM | 1:06.90 | +21.61s to B | 2025-06-08 | 2025 TRI-CITY INVITATIONAL 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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 34.86 | flying | 200 Free Relay (leg 3) | 2025-10-26 | 2025 Spooktacular Swim Meet |
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
526 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:51.46 | 152 |
| 100 BR SCY | 1:48.73 | 242 |
| 200 IM SCY | 4:18.79 | 132 |
| 500 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
IMR 11-12 · SCY
921 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:28.65 | 176 |
| 50 BK SCY | 50.00 | 179 |
| 50 BR SCY | 50.48 | 242 |
| 50 FL SCY | 47.20 | 180 |
| 100 IM SCY | 1:56.46 | 144 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
50 Freestyle SCY 42.56
Front half 20.58s · back half 21.98s
100 Freestyle SCY 1:35.62
Front half 43.78s · back half 51.84s
200 Freestyle SCY 3:28.65
Front half 103.30s · back half 105.35s
25 Backstroke SCY 24.49
100 Backstroke SCY 1:51.46
Front half 54.92s · back half 56.54s
100 Breaststroke SCY 1:48.73
Front half 52.46s · back half 56.27s
100 Individual Medley SCY 1:56.46
Front half 58.25s · back half 58.21s
200 Individual Medley SCY 4:18.79
Front half 136.59s · back half 122.20s
Progression
Faster times are higher. One card per event, all courses & history.