swimMatthew Tsai
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.48 | A+0.09s to AA | 2026-01-25 | CA 2026 Senior Racing Series Championships venue |
| 100 Freestyle | SCY | 1:02.03 | B+4.14s to BB | 2025-10-11 | CA 2025 NOVA October Intrasquad Meet venue |
| 50 Backstroke | SCY | 29.40 | BB+2.11s to A | 2025-09-20 | CA 2025 NOVA Back-to-School Meet venue |
| 100 Backstroke | SCY | 1:02.99 | B+0.10s to BB | 2025-10-11 | CA 2025 NOVA October Intrasquad Meet venue |
| 50 Breaststroke | SCY | 30.60 | A+0.41s to AA | 2025-12-13 | 2025 CA SCS/SCAT WAG venue |
| 50 Butterfly | SCY | 26.44 | A+0.35s to AA | 2025-09-20 | CA 2025 NOVA Back-to-School Meet venue |
| 100 Individual Medley | SCY | 1:08.31 | 2025-09-20 | CA 2025 NOVA Back-to-School Meet venue | |
| 50 Freestyle | LCM | 26.94 | AA+1.05s to AAA | 2025-07-26 | 2025 CA SCS Summer A/G Champs |
| 100 Freestyle | LCM | 59.62 | A+0.63s to AA | 2025-06-13 | 2025 June Age Group Invite venue |
| 200 Freestyle | LCM | 2:15.61 | BB+0.82s to A | 2024-07-26 | 2024 CA SCS/GWSC Summer A/G Champs slow pool |
| 400 Freestyle | LCM | 4:55.50 | BB+7.91s to A | 2024-07-27 | 2024 CA SCS/GWSC Summer A/G Champs slow pool |
| 100 Backstroke | LCM | 1:11.58 | BB+3.49s to A | 2025-07-26 | 2025 CA SCS Summer A/G Champs |
| 100 Breaststroke | LCM | 1:20.59 | BB+3.60s to A | 2024-07-26 | 2024 CA SCS/GWSC Summer A/G Champs slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 15-16 · LCM
609 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:55.50 | 609 |
| 200 BK LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · LCM
1800 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:15.61 | 650 |
| 100 BK LCM | 1:11.58 | 574 |
| 100 BR LCM | 1:20.59 | 576 |
| 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
100 Freestyle SCY 1:02.03
Front half 29.71s · back half 32.32s
100 Backstroke SCY 1:02.99
Front half 31.45s · back half 31.54s
100 Individual Medley SCY 1:08.31
Front half 31.41s · back half 36.90s
100 Freestyle LCM 59.62
Front half 28.61s · back half 31.01s
200 Freestyle LCM 2:15.61
Front half 64.41s · back half 71.20s
400 Freestyle LCM 4:55.50
Front half 142.53s · back half 152.97s
100 Breaststroke LCM 1:20.59
Front half 37.60s · back half 42.99s
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.