swimSean Takahashi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.55 | BB+1.86s to A | 2026-03-07 | 2026 MR AGUA Last Chance Invitational venue |
| 100 Freestyle | SCY | 55.17 | BB+3.18s to A | 2026-03-28 | 2026 MR Bronze Championships - Central - KBM fast pool |
| 200 Freestyle | SCY | 2:05.93 | B+1.44s to BB | 2026-03-27 | 2026 MR Bronze Championships - Central - KBM |
| 500 Freestyle | SCY | 5:54.84 | B+16.05s to BB | 2026-03-29 | 2026 MR Bronze Championships - Central - KBM fast pool |
| 1650 Freestyle | SCY | 17:56.53 | A+27.14s to AA | 2026-03-07 | 2026 MR AGUA Last Chance Invitational |
| 100 Backstroke | SCY | 1:07.00 | +1.41s to B | 2026-03-29 | 2026 MR Bronze Championships - Central - KBM fast pool |
| 200 Backstroke | SCY | 2:08.93 | BB+5.14s to A | 2025-01-01 | Metropolitan Swimming Club |
| 50 Breaststroke | SCY | 2:39.69 | +124.10s to B | 2026-01-01 | Metropolitan Swimming Club |
| 100 Breaststroke | SCY | 1:05.15 | BB+0.96s to A | 2025-12-13 | 2025 MR TRI Winter SCY Invitational |
| 200 Breaststroke | SCY | 2:29.47 | BB+9.88s to A | 2026-03-08 | 2026 MR AGUA Last Chance Invitational venue |
| 100 Butterfly | SCY | 1:04.81 | B+3.92s to BB | 2026-03-27 | 2026 MR Bronze Championships - Central - KBM |
| 200 Butterfly | SCY | 1:58.47 | AA+2.58s to AAA | 2023-11-04 | 2023 MR TRI Fall SCY Invitational |
| 100 Individual Medley | SCY | 1:08.68 | 2025-10-11 | 2025 MR AGUA Season Starter Invitational venue | |
| 200 Individual Medley | SCY | 2:18.20 | B+0.91s to BB | 2026-02-22 | 2026 MR Metro Silver Central Champs - WEST venue |
| 400 Individual Medley | SCY | 5:09.99 | B+13.60s to BB | 2026-03-07 | 2026 MR AGUA Last Chance Invitational venue |
| 50 Freestyle | LCM | 30.71 | B+1.02s to BB | 2024-06-09 | 2024 Condors Summer Solstice venue |
| 100 Freestyle | LCM | 1:05.13 | BB+4.94s to A | 2026-04-26 | MR QNS 2026 It's Spring Again LCM Invite venue |
| 200 Freestyle | LCM | 2:32.67 | B+10.08s to BB | 2026-04-25 | MR QNS 2026 It's Spring Again LCM Invite venue |
| 400 Freestyle | LCM | 5:42.04 | +14.65s to B | 2026-04-26 | MR QNS 2026 It's Spring Again LCM Invite venue |
| 100 Backstroke | LCM | 1:32.59 | +14.40s to B | 2023-05-07 | 2023 MR COND May Meters Matters Meet venue |
| 100 Breaststroke | LCM | 1:19.87 | BB+5.18s to A | 2026-04-26 | MR QNS 2026 It's Spring Again LCM Invite venue |
| 200 Breaststroke | LCM | 2:57.56 | B+0.67s to BB | 2026-04-25 | MR QNS 2026 It's Spring Again LCM Invite |
| 50 Butterfly | LCM | 1:19.87 | +45.08s to B | 2026-04-25 | MR QNS 2026 It's Spring Again LCM Invite |
| 100 Butterfly | LCM | 1:34.04 | +19.05s to B | 2023-05-06 | 2023 MR COND May Meters Matters Meet venue |
| 200 Individual Medley | LCM | 2:47.70 | B+7.31s to BB | 2026-04-25 | MR QNS 2026 It's Spring Again LCM Invite 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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Backstroke | SCY | 34.49 | flat | 200 Medley Relay | 2026-01-11 | 2026 MR WEST Chris Dewey Trophy Meet |
| 50 Breaststroke | SCY | 29.36 | flying | 200 Medley Relay (leg 2) | 2026-03-13 | 2026 MR 15-18 Age Group Team Challenge |
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
3335 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:54.84 | 452 |
| 200 BK SCY | 2:08.93 | 585 |
| 200 BR SCY | 2:29.47 | 539 |
| 200 FL SCY | 1:58.47 | 795 |
| 200 IM SCY | 2:18.20 | 512 |
| 400 IM SCY | 5:09.99 | 452 |
IMR 17-18 · SCY
2471 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:05.93 | 503 |
| 100 BK SCY | 1:07.00 | 388 |
| 100 BR SCY | 1:05.15 | 634 |
| 100 FL SCY | 1:04.81 | 434 |
| 200 IM SCY | 2:18.20 | 512 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.17
Front half 26.58s · back half 28.59s
200 Freestyle SCY 2:05.93
Front half 60.03s · back half 65.90s
500 Freestyle SCY 5:54.84
Front half 172.06s · back half 182.78s
1650 Freestyle SCY 17:56.53 split/total mismatch
100 Backstroke SCY 1:07.00
Front half 32.09s · back half 34.91s
200 Backstroke SCY 2:08.93 split/total mismatch
100 Breaststroke SCY 1:05.15
200 Breaststroke SCY 2:29.47
Front half 69.75s · back half 79.72s
100 Butterfly SCY 1:04.81
Front half 30.74s · back half 34.07s
100 Individual Medley SCY 1:08.68
Front half 32.84s · back half 35.84s
200 Individual Medley SCY 2:18.20
Front half 66.45s · back half 71.75s
400 Individual Medley SCY 5:09.99
Front half 149.33s · back half 160.66s
100 Freestyle LCM 1:05.13
Front half 30.70s · back half 34.43s
200 Freestyle LCM 2:32.67
Front half 71.80s · back half 80.87s
400 Freestyle LCM 5:42.04
Front half 161.27s · back half 180.77s
100 Backstroke LCM 1:32.59
Front half 43.45s · back half 49.14s
100 Breaststroke LCM 1:19.87
Front half 36.54s · back half 43.33s
100 Butterfly LCM 1:34.04
Front half 41.85s · back half 52.19s
200 Individual Medley LCM 2:47.70
Front half 80.22s · back half 87.48s
Progression
Faster times are higher. One card per event, all courses & history.