swimSeunghyeon Yoo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 37.35 | B+2.56s to BB·+14.96s to Sectionals | 2026-01-12 | WSY Mid Winter Classic |
| 100 Freestyle | SCY | 1:25.85 | B+6.56s to BB·+37.36s to Sectionals | 2026-02-17 | WSY President's Day Meet |
| 200 Freestyle | SCY | 3:13.10 | +3.51s to B·+86.81s to Sectionals | 2026-01-12 | WSY Mid Winter Classic |
| 25 Backstroke | SCY | 57.15 | 2024-02-18 | HAC Sweetheart Developmental | |
| 50 Backstroke | SCY | 46.58 | B+3.49s to BB·+22.89s to Futures | 2026-03-08 | 2026 MASI Short Course 10 & Under Championships hosted by HAC |
| 50 Breaststroke | SCY | 54.73 | +1.24s to B·+28.44s to Futures | 2026-02-17 | WSY President's Day Meet |
| 50 Butterfly | SCY | 45.72 | B+4.43s to BB·+22.83s to Futures | 2025-11-24 | CVAC Aquafest |
| 100 Individual Medley | SCY | 1:38.26 | B+8.47s to BB | 2026-03-08 | 2026 MASI Short Course 10 & Under Championships hosted by HAC |
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.
IMX / IMR
IMX 10 & under · SCY
324 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:13.10 | 324 |
| 100 BK SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
1639 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:25.85 | 353 |
| 50 BK SCY | 46.58 | 330 |
| 50 BR SCY | 54.73 | 293 |
| 50 FL SCY | 45.72 | 305 |
| 100 IM SCY | 1:38.26 | 358 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:25.85
Front half 39.24s · back half 46.61s
200 Freestyle SCY 3:13.10
Front half 88.19s · back half 104.91s
100 Individual Medley SCY 1:38.26 split/total mismatch
Front half 44.52s · back half 53.74s
Progression
Faster times are higher. One card per event, all courses & history.