swimPreston Chang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 500 Freestyle | SCY | 5:29.91 | A+12.82s to AA | 2023-11-10 | Gobbler Invitational |
| 1000 Freestyle | SCY | 11:17.11 | A+18.72s to AA | 2023-11-10 | Gobbler Invitational |
| 100 Breaststroke | SCY | 1:11.20 | BB+2.11s to A | 2023-11-10 | Gobbler Invitational |
| 50 Freestyle | LCM | 29.71 | BB+0.32s to A | 2024-05-10 | 2024 IA DSMY May LCM Invitational |
| 100 Freestyle | LCM | 59.48 | AA+0.49s to AAA | 2025-01-01 | 2025 hsa june invitational meet results venue |
| 200 Freestyle | LCM | 2:11.42 | AA+2.53s to AAA | 2025-01-01 | 2025 hsa june invitational meet results venue |
| 400 Freestyle | LCM | 4:37.87 | AA+2.88s to AAA | 2025-01-01 | 2025 hsa june invitational meet results venue |
| 1500 Freestyle | LCM | 19:39.49 | A+36.60s to AA | 2024-05-12 | 2024 IA DSMY May LCM Invitational slow pool |
| 100 Backstroke | LCM | 1:16.47 | BB+4.78s to A | 2022-01-01 | final results2col |
| 50 Breaststroke | LCM | 34.51 | AAA+1.42s to AAAA | 2025-01-01 | 2025 hsa june invitational meet results venue |
| 100 Breaststroke | LCM | 1:18.41 | A+1.22s to AA | 2025-08-08 | 2025 Central Zone 14 & Under Championship Mee fast pool |
| 200 Breaststroke | LCM | 2:43.68 | AA+3.49s to AAA | 2025-01-01 | 2025 hsa june invitational meet results venue |
| 50 Butterfly | LCM | 35.62 | B+1.03s to BB | 2022-01-01 | results 1col cumsub pub order |
| 200 Butterfly | LCM | 2:54.52 | B+7.33s to BB | 2023-07-30 | 2023 MV LCM Championships venue |
| 200 Individual Medley | LCM | 2:31.99 | A+1.70s to AA | 2025-01-01 | 2025 hsa june invitational meet results venue |
| 400 Individual Medley | LCM | 5:29.27 | A+7.78s to AA | 2024-05-10 | 2024 IA DSMY May LCM Invitational slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | LCM | 1:07.33 | flying | 400 Free Relay (leg 3) | 2023-07-28 | 2023 MV LCM Championships |
| 50 Breaststroke | LCM | 38.17 | flying | 200 Medley Relay (leg 2) | 2023-07-30 | 2023 MV LCM Championships |
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 · LCM
3532 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:37.87 | 831 |
| 200 BR LCM | 2:43.68 | 802 |
| 200 FL LCM | 2:54.52 | 460 |
| 200 IM LCM | 2:31.99 | 735 |
| 400 IM LCM | 5:29.27 | 704 |
| 200 BK LCM | — | 0 |
IMR 13-14 · LCM
2827 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:11.42 | 819 |
| 100 BK LCM | 1:16.47 | 553 |
| 100 BR LCM | 1:18.41 | 720 |
| 200 IM LCM | 2:31.99 | 735 |
| 100 FL LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 5:29.91 split/total mismatch
1000 Freestyle SCY 11:17.11 split/total mismatch
100 Breaststroke SCY 1:11.20 split/total mismatch
Front half 33.70s · back half 37.50s
100 Freestyle LCM 59.48
Front half 28.51s · back half 30.97s
200 Freestyle LCM 2:11.42
Front half 63.19s · back half 68.23s
400 Freestyle LCM 4:37.87
Front half 138.29s · back half 139.58s
1500 Freestyle LCM 19:39.49
Front half 585.14s · back half 594.35s
100 Breaststroke LCM 1:18.41
Front half 36.84s · back half 41.57s
200 Breaststroke LCM 2:43.68
Front half 78.78s · back half 84.90s
200 Butterfly LCM 2:54.52
Front half 80.44s · back half 94.08s
200 Individual Medley LCM 2:31.99
Front half 72.14s · back half 79.85s
400 Individual Medley LCM 5:29.27
Progression
Faster times are higher. One card per event, all courses & history.