swimMatthew Chang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.05 | A+0.36s to AA | 2019-10-18 | 2019 MR LIE Octoberfest Swim Meet |
| 100 Freestyle | SCY | 51.14 | AA+1.35s to AAA | 2019-10-18 | 2019 MR LIE Octoberfest Swim Meet |
| 400 Freestyle | LCM | 4:22.22 | AAA+6.63s to AAAA | 2019-08-03 | 2019 NI - EZ LC Senior Zone Championship venue |
| 200 Backstroke | LCM | 2:19.05 | AA+0.56s to AAA | 2019-01-01 | 2019 NI - EZ LC Senior Zone Championship - |
| 100 Breaststroke | LCM | 1:10.31 | AAA+1.72s to AAAA | 2019-01-01 | 2019 NI - EZ LC Senior Zone Championship - |
| 400 Individual Medley | LCM | 4:46.43 | AAAA | 2019-08-02 | 2019 NI - EZ LC Senior Zone Championship venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | LCM | 26.67 | flying | 200 Free Relay (leg 3) | 2019-08-01 | 2019 NI - EZ LC Senior Zone Championship |
| 100 Freestyle | LCM | 56.93 | flying | 400 Medley Relay (leg 4) | 2019-08-04 | 2019 NI - EZ LC Senior Zone Championship |
| 200 Freestyle | LCM | 2:04.20 | flying | 800 Free Relay (leg 3) | 2019-08-03 | 2019 NI - EZ LC Senior Zone Championship |
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 15-16 · LCM
2618 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:22.22 | 872 |
| 200 BK LCM | 2:19.05 | 801 |
| 400 IM LCM | 4:46.43 | 945 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 15-16 · LCM
868 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR LCM | 1:10.31 | 868 |
| 200 FR LCM | — | 0 |
| 100 BK LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
400 Freestyle LCM 4:22.22
Front half 128.75s · back half 133.47s
200 Backstroke LCM 2:19.05 split/total mismatch
100 Breaststroke LCM 1:10.31 split/total mismatch
Front half 32.79s · back half 37.52s
400 Individual Medley LCM 4:46.43
Front half 138.59s · back half 147.84s
Progression
Faster times are higher. One card per event, all courses & history.