swimLandon Tsou
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.00 | B+0.51s to BB | 2025-11-01 | 55th Annual David Graham Memorial Meet venue |
| 100 Freestyle | SCY | 1:05.71 | BB+4.42s to A | 2026-02-22 | BUEN February Coastal Champs venue |
| 200 Freestyle | SCY | 2:22.50 | BB+8.81s to A | 2024-12-14 | 2024 CA GWSC/SCS WAG venue |
| 500 Freestyle | SCY | 6:04.77 | BB+4.78s to A | 2025-02-23 | 2025 CA BUENA Coastal Championship slow pool |
| 50 Backstroke | SCY | 34.83 | BB+2.14s to A | 2025-11-15 | PVST Harvest Heats venue |
| 100 Backstroke | SCY | 1:16.18 | B+0.49s to BB | 2025-11-22 | 2025 CANY Cranberry venue |
| 200 Backstroke | SCY | 2:35.39 | BB+7.20s to A | 2025-11-15 | PVST Harvest Heats venue |
| 50 Breaststroke | SCY | 38.63 | BB+1.94s to A | 2025-02-23 | 2025 CA BUENA Coastal Championship slow pool |
| 100 Breaststroke | SCY | 1:24.04 | BB+5.65s to A | 2025-10-12 | 2025 CA Paseo Fall Kickoff Season Opener venue |
| 50 Butterfly | SCY | 33.38 | BB+2.19s to A | 2025-11-02 | 55th Annual David Graham Memorial Meet venue |
| 100 Butterfly | SCY | 1:12.91 | BB+3.62s to A | 2025-11-01 | 55th Annual David Graham Memorial Meet venue |
| 100 Individual Medley | SCY | 1:16.02 | B+0.13s to BB | 2025-10-11 | 2025 CA Paseo Fall Kickoff Season Opener venue |
| 200 Individual Medley | SCY | 2:39.92 | BB+7.63s to A | 2025-10-12 | 2025 CA Paseo Fall Kickoff Season Opener venue |
| 50 Freestyle | LCM | 34.73 | BB+2.64s to A | 2026-04-11 | 2026 BUEN LCM Opener venue |
| 100 Freestyle | LCM | 1:14.95 | BB+4.56s to A | 2026-04-12 | 2026 BUEN LCM Opener venue |
| 200 Freestyle | LCM | 2:38.99 | BB+5.40s to A | 2026-05-24 | BUEN Memorial Day LC Meet venue |
| 400 Freestyle | LCM | 5:31.28 | BB+4.59s to A | 2026-06-13 | 2026 SCS June AG Invite-CANY venue |
| 50 Backstroke | LCM | 40.53 | BB+2.74s to A | 2026-04-11 | 2026 BUEN LCM Opener venue |
| 100 Backstroke | LCM | 1:27.33 | BB+5.44s to A | 2025-05-24 | Canyons 15th Annual Red, White and Blue Mem venue |
| 50 Breaststroke | LCM | 43.79 | BB+1.80s to A | 2025-05-24 | Canyons 15th Annual Red, White and Blue Mem venue |
| 100 Breaststroke | LCM | 1:35.36 | BB+4.07s to A | 2025-06-14 | 2025 SCS June AG Invite @ La Mirada Armada venue |
| 50 Butterfly | LCM | 38.21 | BB+2.92s to A | 2026-05-24 | BUEN Memorial Day LC Meet venue |
| 100 Butterfly | LCM | 1:25.62 | BB+6.13s to A | 2025-04-13 | 2025 Buenaventura LCM Opener slow pool |
| 200 Individual Medley | LCM | 2:54.97 | BB+0.78s to A | 2026-06-12 | 2026 SCS June AG Invite-CANY venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 29.26 | flying | 200 Free Relay (leg 4) | 2025-12-13 | 2025 CA GWSC Winter Age Group Invitational |
| 50 Freestyle | SCY | 30.29 | flying | 200 Medley Relay (leg 4) | 2024-12-14 | 2024 CA GWSC/SCS WAG |
| 50 Backstroke | SCY | 35.39 | flat | 200 Medley Relay | 2026-02-22 | BUEN February Coastal Champs |
| 50 Freestyle | LCM | 32.09 | flying | 200 Free Relay (leg 3) | 2026-06-13 | 2026 SCS June AG Invite-CANY |
| 100 Freestyle | LCM | 1:14.78 | flying | 400 Free Relay (leg 2) | 2025-07-26 | 2025 CA SCS Summer A/G Champs |
| 50 Breaststroke | LCM | 1:22.12 | flying | 200 Medley Relay (leg 2) | 2026-06-12 | 2026 SCS June AG Invite-CANY |
| 100 Butterfly | LCM | 1:22.53 | flying | 400 Medley Relay (leg 3) | 2025-07-25 | 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 11-12 · LCM
2866 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:31.28 | 642 |
| 100 BK LCM | 1:27.33 | 523 |
| 100 BR LCM | 1:35.36 | 568 |
| 100 FL LCM | 1:25.62 | 496 |
| 200 IM LCM | 2:54.97 | 637 |
IMR 11-12 · LCM
2816 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:38.99 | 603 |
| 50 BK LCM | 40.53 | 519 |
| 50 BR LCM | 43.79 | 559 |
| 50 FL LCM | 38.21 | 498 |
| 200 IM LCM | 2:54.97 | 637 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:05.71
Front half 31.04s · back half 34.67s
200 Freestyle SCY 2:22.50
Front half 68.42s · back half 74.08s
500 Freestyle SCY 6:04.77
Front half 180.05s · back half 184.72s
100 Backstroke SCY 1:16.18
Front half 37.27s · back half 38.91s
100 Breaststroke SCY 1:24.04
Front half 39.25s · back half 44.79s
100 Butterfly SCY 1:12.91
Front half 33.76s · back half 39.15s
100 Individual Medley SCY 1:16.02
Front half 35.73s · back half 40.29s
200 Individual Medley SCY 2:39.92
Front half 76.25s · back half 83.67s
100 Freestyle LCM 1:14.95
Front half 36.26s · back half 38.69s
200 Freestyle LCM 2:38.99
Front half 77.04s · back half 81.95s
400 Freestyle LCM 5:31.28
Front half 162.12s · back half 169.16s
100 Backstroke LCM 1:27.33
Front half 42.52s · back half 44.81s
200 Individual Medley LCM 2:54.97
Progression
Faster times are higher. One card per event, all courses & history.