swimYiran Dong
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | LCM | 1:24.57 | BB+2.58s to A·+20.18s to Sectionals | 2026-07-23 | 2026 PN LC 12&U Championships-Approvedvenue |
| 400 Freestyle | LCM | 6:01.15 | A+1.46s to AA·+69.36s to Sectionals | 2026-07-24 | 2026 PN LC 12&U Championships-Approvedvenue |
| 50 Backstroke | LCM | 43.24 | A+1.65s to AA·+12.35s to Futures | 2026-07-23 | 2026 PN LC 12&U Championships-Approvedvenue |
| 100 Backstroke | LCM | 1:31.49 | A+1.10s to AA·+20.10s to Sectionals | 2026-07-10 | 2026 PN OCA Last Chance Invitational |
| 50 Breaststroke | LCM | 49.26 | BB+0.47s to A·+14.47s to Futures | 2026-07-10 | 2026 PN OCA Last Chance Invitational |
| 50 Butterfly | LCM | 45.22 | BB+3.63s to A·+15.73s to Futures | 2026-07-12 | 2026 PN OCA Last Chance Invitational- Approvevenue |
| 200 Individual Medley | LCM | 3:08.33 | AA+3.84s to AAA·+31.34s to Sectionals | 2026-07-24 | 2026 PN LC 12&U Championships-Approvedvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 Freestyle | LCM | 37.94 | flying | 200 Free Relay (leg 4) | 2026-07-25 | 2026 PN LC 12&U Championships-Approved |
| 50 Breaststroke | LCM | 49.46 | flying | 200 Medley Relay (leg 2) | 2026-07-25 | 2026 PN LC 12&U Championships-Approved |
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 10 & under · LCM
1502 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:31.49 | 696 |
| 200 IM LCM | 3:08.33 | 806 |
| 200 FR LCM | — | 0 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 0 |
IMR 10 & under · LCM
3137 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:24.57 | 586 |
| 50 BK LCM | 43.24 | 651 |
| 50 BR LCM | 49.26 | 623 |
| 50 FL LCM | 45.22 | 471 |
| 200 IM LCM | 3:08.33 | 806 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
400 Freestyle LCM 6:01.15 RT 0.57s
Front half 179.79s · back half 181.36s
200 Individual Medley LCM 3:08.33
Front half 91.40s · back half 96.93s
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.
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.