Zac Chang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.31 | B+1.52s to BB | 2026-02-22 | 2026 MR Metro Silver Central Champs - WEST venue |
| 100 Freestyle | SCY | 1:22.97 | B+3.68s to BB | 2026-02-28 | 2026 MR QNS I Know I Can Invitational venue |
| 200 Freestyle | SCY | 3:09.88 | +0.29s to B | 2026-01-11 | 2026 MR WEST Chris Dewey Trophy Meet venue |
| 50 Backstroke | SCY | 42.04 | BB+4.25s to A | 2025-12-14 | 35th Annual Winter Championships venue |
| 100 Backstroke | SCY | 1:31.57 | B+1.08s to BB | 2026-03-01 | 2026 MR QNS I Know I Can Invitational venue |
| 50 Breaststroke | SCY | 46.67 | BB+4.58s to A | 2025-12-13 | 35th Annual Winter Championships venue |
| 100 Breaststroke | SCY | 1:42.04 | BB+10.35s to A | 2026-02-22 | 2026 MR Metro Silver Central Champs - WEST venue |
| 50 Butterfly | SCY | 47.80 | +1.31s to B | 2025-12-13 | 35th Annual Winter Championships venue |
| 100 Butterfly | SCY | 1:56.04 | +2.15s to B | 2025-10-26 | 2025 MR QNS Can I Kick It Invitational venue |
| 100 Individual Medley | SCY | 1:34.71 | B+4.92s to BB | 2026-03-01 | 2026 MR QNS I Know I Can Invitational venue |
| 200 Individual Medley | SCY | 3:23.48 | B+7.49s to BB | 2026-01-10 | 2026 MR WEST Chris Dewey Trophy Meet venue |
| 50 Freestyle | LCM | 39.13 | BB+3.44s to A | 2026-05-31 | 2026 MR SSC A-May-Zing Races Invitational venue |
| 100 Freestyle | LCM | 1:31.41 | B+0.72s to BB | 2026-05-17 | 2026 MR PAC Spring Starter Invitational venue |
| 200 Freestyle | LCM | 3:28.29 | B+12.90s to BB | 2026-05-16 | 2026 MR PAC Spring Starter Invitational venue |
| 50 Backstroke | LCM | 47.78 | BB+4.69s to A | 2026-05-16 | 2026 MR PAC Spring Starter Invitational venue |
| 100 Backstroke | LCM | 1:40.50 | BB+8.21s to A | 2026-05-17 | 2026 MR PAC Spring Starter Invitational venue |
| 50 Breaststroke | LCM | 54.84 | B+0.45s to BB | 2026-05-30 | ssc 30may2026 |
| 100 Breaststroke | LCM | 1:58.50 | BB+12.91s to A | 2026-05-30 | ssc 30may2026 |
| 100 Butterfly | LCM | 1:55.29 | B+2.40s to BB | 2026-05-31 | 2026 MR SSC A-May-Zing Races Invitational venue |
| 200 Individual Medley | LCM | 3:40.74 | BB+22.45s to A | 2026-05-17 | 2026 MR PAC Spring Starter Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:24.86 | flying | 400 Free Relay (leg 3) | 2025-12-14 | 35th Annual Winter Championships |
| 50 Backstroke | SCY | 42.77 | flat | 200 Medley Relay | 2026-01-11 | 2026 MR WEST Chris Dewey Trophy Meet |
| 100 Breaststroke | SCY | 1:44.57 | flying | 400 Medley Relay (leg 2) | 2025-12-12 | 35th Annual Winter Championships |
| 50 Butterfly | SCY | 54.94 | flying | 200 Medley Relay (leg 3) | 2025-10-18 | 2025 MR WEST Tricia Dewey Tails of Hope |
| 100 Butterfly | SCY | 1:37.32 | flying | 400 Medley Relay (leg 3) | 2025-12-13 | 35th Annual Winter 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 10 & under · LCM
2156 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:28.29 | 386 |
| 100 BK LCM | 1:40.50 | 504 |
| 100 BR LCM | 1:58.50 | 463 |
| 100 FL LCM | 1:55.29 | 329 |
| 200 IM LCM | 3:40.74 | 474 |
IMR 10 & under · SCY
1980 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:22.97 | 391 |
| 50 BK SCY | 42.04 | 448 |
| 50 BR SCY | 46.67 | 474 |
| 50 FL SCY | 47.80 | 267 |
| 100 IM SCY | 1:34.71 | 400 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:22.97
Front half 38.85s · back half 44.12s
200 Freestyle SCY 3:09.88
Front half 91.21s · back half 98.67s
100 Backstroke SCY 1:31.57
Front half 44.92s · back half 46.65s
100 Breaststroke SCY 1:42.04
Front half 49.46s · back half 52.58s
100 Butterfly SCY 1:56.04
Front half 52.19s · back half 63.85s
100 Individual Medley SCY 1:34.71
Front half 45.92s · back half 48.79s
200 Individual Medley SCY 3:23.48
Front half 98.88s · back half 104.60s
100 Freestyle LCM 1:31.41
Front half 43.65s · back half 47.76s
200 Freestyle LCM 3:28.29
100 Backstroke LCM 1:40.50
Front half 50.31s · back half 50.19s
100 Breaststroke LCM 1:58.50
Front half 57.90s · back half 60.60s
100 Butterfly LCM 1:55.29
Front half 53.57s · back half 61.72s
200 Individual Medley LCM 3:40.74
Front half 105.15s · back half 115.59s
Progression
Faster times are higher. One card per event, all courses & history.