swimDerek Yun
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 40.98 | +5.89s to B·+17.79s to Sectionals | 2025-12-07 | 2025 PN Fall Divisionals, Division 1 - OCAvenue |
| 100 Freestyle | SCY | 1:36.68 | +20.59s to B·+45.69s to Sectionals | 2026-01-25 | 2026 PN PDST Winter Invitational Meet- Approvvenue |
| 50 Backstroke | SCY | 46.55 | +5.36s to B·+22.86s to Futures | 2025-11-16 | 2025 PN PAC Q Meetvenue |
| 100 Backstroke | SCY | 1:27.71 | B+5.02s to BB·+32.22s to Sectionals | 2026-02-16 | 1705003 |
| 50 Breaststroke | SCY | 52.40 | +5.51s to B·+26.11s to Futures | 2026-03-08 | 2026 PDST Mar Pentathlon Last Chance Approvedvenue |
| 100 Breaststroke | SCY | 1:48.26 | +7.97s to B·+45.07s to Sectionals | 2025-11-16 | 2025 PN PAC Q Meetvenue |
| 50 Butterfly | SCY | 53.18 | +13.09s to B·+30.29s to Futures | 2026-02-07 | 2026 PN IST Feb Winter Invitational-Approvedvenue |
| 100 Butterfly | SCY | 1:31.12 | +0.63s to B·+35.93s to Sectionals | 2025-10-22 | 1657244 |
| 100 Individual Medley | SCY | 1:36.59 | +8.50s to B | 2026-03-08 | 2026 PDST Mar Pentathlon Last Chance Approvedvenue |
| 50 Freestyle | LCM | 47.33 | +7.44s to B·+20.34s to Sectionals | 2025-05-31 | 2025 PN VAST Summer Sprints and Distance Chalvenue |
| 100 Freestyle | LCM | 1:26.65 | B+5.16s to BB·+27.66s to Sectionals | 2025-06-14 | 2025 IST June Invtationalvenue |
| 50 Backstroke | LCM | 48.69 | +1.10s to B·+20.80s to Futures | 2026-06-13 | 2026 PN IST June Invtational- Approvedvenue |
| 50 Breaststroke | LCM | 58.57 | +5.18s to B·+27.68s to Futures | 2026-06-06 | 2026 PN VAST Summer Sprint & Dist. - Approvedvenue |
| 100 Breaststroke | LCM | 2:14.99 | +17.80s to B·+61.29s to Sectionals | 2025-06-14 | 2025 IST June Invtationalvenue |
| 50 Butterfly | LCM | 1:06.83 | +21.54s to B·+40.54s to Futures | 2025-06-14 | 2025 IST June Invtationalvenue |
| 200 Individual Medley | LCM | 3:54.67 | +13.98s to B·+89.98s to Sectionals | 2026-06-06 | 2026 PN VAST Summer Sprint & Dist. - Approvedvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 11-12 · SCY
829 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:27.71 | 312 |
| 100 BR SCY | 1:48.26 | 245 |
| 100 FL SCY | 1:31.12 | 272 |
| 500 FR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · LCM
889 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 48.69 | 299 |
| 50 BR LCM | 58.57 | 233 |
| 50 FL LCM | 1:06.83 | 93 |
| 200 IM LCM | 3:54.67 | 264 |
| 200 FR LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:36.68
Front half 43.12s · back half 53.56s
100 Breaststroke SCY 1:48.26 RT 0.78s
Front half 50.87s · back half 57.39s
100 Individual Medley SCY 1:36.59
Front half 47.94s · back half 48.65s
200 Individual Medley LCM 3:54.67 · 8.3 min after 100 Freestyle
Front half 113.91s · back half 120.76s
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.