swimDerek Yin
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.80 | A+0.71s to AA | 2023-01-06 | 010623grymresults |
| 100 Freestyle | SCY | 52.19 | A+1.80s to AA | 2023-01-06 | 010623grymresults |
| 1650 Freestyle | SCY | 18:37.29 | BB+15.70s to A | 2023-02-24 | 022423grym fri regional results |
| 100 Backstroke | SCY | 53.16 | AA+0.67s to AAA | 2024-02-19 | 2024 Region 1 Short Course Invitational fast pool |
| 200 Backstroke | SCY | 1:56.56 | AA+1.77s to AAA | 2024-02-18 | 2024 Region 1 Short Course Invitational fast pool |
| 200 Breaststroke | SCY | 2:21.43 | BB+0.64s to A | 2023-12-16 | 121623what results |
| 50 Butterfly | SCY | 5:21.26 | +290.07s to B | 2023-11-09 | 110923cpac results |
| 100 Butterfly | SCY | 53.69 | AA+1.70s to AAA | 2024-02-17 | 2024 Region 1 Short Course Invitational fast pool |
| 200 Individual Medley | SCY | 2:00.09 | AA+2.60s to AAA | 2024-02-17 | 2024 Region 1 Short Course Invitational fast pool |
| 100 Backstroke | LCM | 1:02.17 | AA+0.28s to AAA | 2024-03-23 | 2024 Speedo Sectional Championship venue |
| 200 Backstroke | LCM | 2:17.19 | AA+2.40s to AAA | 2024-03-24 | 2024 Speedo Sectional Championship venue |
| 200 Butterfly | LCM | 2:25.97 | BB+0.58s to A | 2023-06-09 | 060923grym results |
| 200 Individual Medley | LCM | 2:20.63 | AA+4.44s to AAA | 2024-03-24 | 2024 Speedo Sectional Championship venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | LCM | 29.09 | flat | 200 Medley Relay | 2024-03-23 | 2024 Speedo Sectional Championship |
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
2210 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 1:56.56 | 793 |
| 200 BR SCY | 2:21.43 | 637 |
| 200 IM SCY | 2:00.09 | 780 |
| 500 FR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2321 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 53.16 | 777 |
| 100 FL SCY | 53.69 | 764 |
| 200 IM SCY | 2:00.09 | 780 |
| 200 FR SCY | — | 0 |
| 100 BR SCY | — | 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 52.19
Front half 25.24s · back half 26.95s
1650 Freestyle SCY 18:37.29
Front half 564.79s · back half 552.50s
100 Backstroke SCY 53.16
Front half 25.54s · back half 27.62s
200 Backstroke SCY 1:56.56
Front half 55.75s · back half 60.81s
200 Breaststroke SCY 2:21.43
Front half 67.24s · back half 74.19s
100 Butterfly SCY 53.69
Front half 25.68s · back half 28.01s
200 Individual Medley SCY 2:00.09
Front half 54.76s · back half 65.33s
100 Backstroke LCM 1:02.17
Front half 29.89s · back half 32.28s
200 Backstroke LCM 2:17.19
Front half 65.87s · back half 71.32s
200 Butterfly LCM 2:25.97 split/total mismatch
200 Individual Medley LCM 2:20.63
Front half 64.85s · back half 75.78s
Progression
Faster times are higher. One card per event, all courses & history.