swimSean Dong
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Breaststroke | SCY | 40.18 | B+0.09s to BB·+12.99s to Sectionals | 2026-03-01 | 2026 Winter ISI Regionals- HSC - copiedvenue |
| 100 Breaststroke | SCY | 1:23.24 | BB+4.85s to A·+19.65s to Sectionals | 2026-07-18 | 2026 ISI Summer ECST Regionalvenue |
| 200 Breaststroke | SCY | 2:56.79 | BB+8.40s to A·+38.20s to Sectionals | 2026-07-17 | 2026 ISI Summer ECST Regionalvenue |
| 200 Individual Medley | SCY | 2:57.57 | B+11.78s to BB·+56.58s to Sectionals | 2026-07-18 | 2026 ISI Summer ECST Regionalvenue |
| 100 Freestyle | LCM | 1:25.78 | +3.69s to B·+29.19s to Sectionals | 2026-05-16 | 2024 Speedo Grand Chalengevenue |
| 200 Freestyle | LCM | 3:03.55 | +4.36s to B·+60.06s to Sectionals | 2026-05-15 | 2024 Speedo Grand Chalengevenue |
| 400 Freestyle | LCM | 6:28.20 | +7.01s to B·+126.01s to Sectionals | 2026-05-17 | 2024 Speedo Grand Chalengevenue |
| 50 Breaststroke | LCM | 45.29 | BB+3.30s to A·+13.30s to Sectionals | 2026-05-16 | 2024 Speedo Grand Chalengevenue |
| 100 Breaststroke | LCM | 1:40.01 | B+0.42s to BB·+27.22s to Sectionals | 2026-05-17 | 2024 Speedo Grand Chalengevenue |
| 50 Butterfly | LCM | 40.93 | B+2.24s to BB·+13.54s to Sectionals | 2026-05-16 | 2024 Speedo Grand Chalengevenue |
| 100 Butterfly | LCM | 1:35.55 | +0.46s to B·+34.06s to Sectionals | 2026-05-17 | 2024 Speedo Grand Chalengevenue |
| 200 Individual Medley | LCM | 3:11.39 | B+1.80s to BB·+52.00s to Sectionals | 2026-05-15 | 2024 Speedo Grand Chalengevenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Breaststroke | SCY | 45.33 | flying | 200 Medley Relay (leg 2) | 2026-07-18 | 2026 ISI Summer ECST Regional |
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
1735 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:28.20 | 399 |
| 100 BR LCM | 1:40.01 | 492 |
| 100 FL LCM | 1:35.55 | 357 |
| 200 IM LCM | 3:11.39 | 487 |
| 100 BK LCM | — | 0 |
IMR 11-12 · LCM
1790 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:03.55 | 392 |
| 50 BR LCM | 45.29 | 506 |
| 50 FL LCM | 40.93 | 405 |
| 200 IM LCM | 3:11.39 | 487 |
| 50 BK LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke SCY 1:23.24
Front half 39.37s · back half 43.87s
200 Breaststroke SCY 2:56.79
Front half 83.51s · back half 93.28s
200 Individual Medley SCY 2:57.57
Front half 87.68s · back half 89.89s
100 Freestyle LCM 1:25.78
Front half 41.36s · back half 44.42s
200 Freestyle LCM 3:03.55
Front half 88.00s · back half 95.55s
400 Freestyle LCM 6:28.20
Front half 192.51s · back half 195.69s
100 Breaststroke LCM 1:40.01
Front half 47.53s · back half 52.48s
100 Butterfly LCM 1:35.55
Front half 44.69s · back half 50.86s
200 Individual Medley LCM 3:11.39
Front half 94.11s · back half 97.28s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.