swimSebastian Chen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.59 | AA+0.50s to AAA | 2025-12-12 | 2025 CA SCS/RAA WAG venue |
| 100 Freestyle | SCY | 53.00 | BB+0.41s to A | 2024-09-29 | 2024 CA LKWD September Closed Invite slow pool |
| 200 Freestyle | SCY | 1:59.20 | BB+3.21s to A | 2024-09-28 | 2024 CA LKWD September Closed Invite slow pool |
| 100 Breaststroke | SCY | 1:05.84 | BB+1.15s to A | 2025-12-12 | 2025 CA SCS/RAA WAG venue |
| 50 Butterfly | SCY | 24.70 | AA+0.21s to AAA | 2025-12-12 | 2025 CA SCS/RAA WAG venue |
| 100 Butterfly | SCY | 54.41 | A+0.12s to AA | 2025-10-11 | 2025 CA Cerritos SC Swim Meet venue |
| 200 Individual Medley | SCY | 2:15.70 | BB+7.51s to A | 2024-09-29 | 2024 CA LKWD September Closed Invite slow pool |
| 50 Freestyle | LCM | 26.19 | AA+0.70s to AAA | 2025-07-26 | 2025 CA SCS Summer A/G Champs |
| 100 Freestyle | LCM | 58.87 | A+0.78s to AA | 2024-07-25 | 2024 CA SCS/ BREA Summer A/G Champs slow pool |
| 100 Butterfly | LCM | 1:05.40 | BB+0.21s to A | 2025-07-25 | 2025 CA SCS Summer A/G Champs |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.21 | flying | 200 Free Relay (leg 2) | 2024-12-14 | 2024 CA SCAT/SCS WAG |
| 100 Freestyle | SCY | 51.13 | flying | 400 Medley Relay (leg 4) | 2024-12-14 | 2024 CA SCAT/SCS WAG |
| 50 Freestyle | LCM | 26.67 | flying | 200 Free Relay (leg 2) | 2025-07-24 | 2025 CA SCS Summer A/G Champs |
| 100 Freestyle | LCM | 1:02.95 | flying | 400 Free Relay (leg 3) | 2025-07-26 | 2025 CA SCS Summer A/G Champs |
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 17-18 · SCY
541 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM SCY | 2:15.70 | 541 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2482 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:59.20 | 593 |
| 100 BR SCY | 1:05.84 | 614 |
| 100 FL SCY | 54.41 | 734 |
| 200 IM SCY | 2:15.70 | 541 |
| 100 BK SCY | — | 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 53.00
Front half 25.46s · back half 27.54s
200 Freestyle SCY 1:59.20
100 Breaststroke SCY 1:05.84
Front half 30.99s · back half 34.85s
100 Butterfly SCY 54.41
Front half 25.83s · back half 28.58s
200 Individual Medley SCY 2:15.70
Front half 64.57s · back half 71.13s
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.