Alvin Chang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.27 | BB+1.58s to A | 2026-01-25 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 100 Freestyle | SCY | 55.30 | BB+3.31s to A | 2025-10-19 | 2025 PN VAST Fall Classic venue |
| 200 Freestyle | SCY | 2:07.66 | B+3.17s to BB | 2025-09-27 | 2025 PN SSCD Autumn Open venue |
| 50 Backstroke | SCY | 32.98 | +2.09s to B | 2025-10-19 | 2025 PN VAST Fall Classic venue |
| 50 Breaststroke | SCY | 33.00 | BB+2.41s to A | 2025-12-06 | 2025 PN Fall Divisionals, Division 3 - WAVE fast pool |
| 100 Breaststroke | SCY | 1:10.49 | B+0.90s to BB | 2026-01-24 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 200 Breaststroke | SCY | 2:38.33 | B+7.04s to BB | 2026-01-25 | 2026 PN WAVE Winter Invitational- Approved fast pool |
| 50 Butterfly | SCY | 26.52 | BB+0.03s to A | 2024-12-07 | 2024 PN Fall Divisional, Division 2 |
| 200 Butterfly | SCY | 2:35.16 | +7.67s to B | 2024-12-07 | 2024 PN Fall Divisional, Division 2 |
| 200 Individual Medley | SCY | 2:25.52 | B+8.23s to BB | 2025-12-06 | 2025 PN Fall Divisionals, Division 3 - WAVE fast pool |
| 50 Freestyle | LCM | 28.80 | BB+1.41s to A | 2024-06-28 | 2024 PN CSC 103rd Annual Senior Seattle Open venue |
| 100 Freestyle | LCM | 1:05.41 | B+0.22s to BB | 2024-06-29 | 2024 PN CSC 103rd Annual Senior Seattle Open venue |
| 200 Freestyle | LCM | 2:30.91 | B+8.32s to BB | 2024-06-27 | 2024 PN CSC 103rd Annual Senior Seattle Open venue |
| 50 Backstroke | LCM | 40.49 | +3.20s to B | 2024-06-27 | 2024 PN CSC 103rd Annual Senior Seattle Open venue |
| 100 Backstroke | LCM | 1:25.36 | +7.17s to B | 2024-06-28 | 2024 PN CSC 103rd Annual Senior Seattle Open venue |
| 200 Backstroke | LCM | 3:16.34 | +26.15s to B | 2024-06-29 | 2024 PN CSC 103rd Annual Senior Seattle Open venue |
| 50 Breaststroke | LCM | 37.57 | BB+2.48s to A | 2026-06-19 | 2026 PN CSC 105th Annual Seattle Open- Approv venue |
| 100 Breaststroke | LCM | 1:21.28 | B+0.39s to BB | 2026-05-01 | 2026 PN BC May Flowers - Approved |
| 200 Breaststroke | LCM | 3:12.19 | +1.70s to B | 2026-05-02 | 2026 PN BC May Flowers - Approved venue |
| 50 Butterfly | LCM | 33.43 | B+1.14s to BB | 2026-05-03 | 2026 PN BC May Flowers - Approved venue |
| 200 Individual Medley | LCM | 2:52.11 | B+11.72s to BB | 2024-06-27 | 2024 PN CSC 103rd Annual Senior Seattle Open venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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.
IMX / IMR
IMX 17-18 · SCY
1246 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:38.33 | 454 |
| 200 FL SCY | 2:35.16 | 354 |
| 200 IM SCY | 2:25.52 | 438 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · LCM
1687 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:30.91 | 438 |
| 100 BK LCM | 1:25.36 | 316 |
| 100 BR LCM | 1:21.28 | 513 |
| 200 IM LCM | 2:52.11 | 420 |
| 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
100 Freestyle SCY 55.30 RT 0.79s
Front half 26.70s · back half 28.60s
200 Freestyle SCY 2:07.66
Front half 61.72s · back half 65.94s
100 Breaststroke SCY 1:10.49
Front half 33.22s · back half 37.27s
200 Breaststroke SCY 2:38.33
Front half 75.04s · back half 83.29s
200 Individual Medley SCY 2:25.52
Front half 68.34s · back half 77.18s
200 Freestyle LCM 2:30.91
Front half 72.35s · back half 78.56s
200 Backstroke LCM 3:16.34
Front half 97.38s · back half 98.96s
200 Breaststroke LCM 3:12.19 RT 0.74s
Front half 89.97s · back half 102.22s
200 Individual Medley LCM 2:52.11
Front half 84.61s · back half 87.50s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.