James Sun
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.80 | AA+0.71s to AAA | 2019-09-27 | 2019 LCAT Pecan Classic Open |
| 100 Freestyle | SCY | 55.30 | BB+2.71s to A | 2019-09-27 | 2019 LCAT Pecan Classic Open |
| 200 Freestyle | SCY | 1:48.56 | AA+2.17s to AAA | 2023-03-24 | 2023 Four Corners Speedo Sectionals - Austin venue |
| 100 Backstroke | SCY | 1:05.45 | B+3.36s to BB | 2019-09-28 | 2019 LCAT Pecan Classic Open slow pool |
| 200 Backstroke | SCY | 2:02.00 | A+2.01s to AA | 2023-03-25 | 2023 Four Corners Speedo Sectionals - Austin venue |
| 100 Breaststroke | SCY | 1:16.54 | +1.05s to B | 2019-09-29 | 2019 LCAT Pecan Classic Open slow pool |
| 100 Butterfly | SCY | 1:05.16 | B+3.77s to BB | 2019-09-28 | 2019 LCAT Pecan Classic Open slow pool |
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 Freestyle | SCY | 23.44 | flying | 200 Free Relay (leg 2) | 2023-03-23 | 2023 Four Corners Speedo Sectionals - Austin |
| 100 Freestyle | SCY | 50.72 | flying | 400 Free Relay (leg 2) | 2023-03-24 | 2023 Four Corners Speedo Sectionals - Austin |
| 200 Freestyle | SCY | 1:49.60 | flat | 800 Free Relay | 2023-03-25 | 2023 Four Corners Speedo Sectionals - Austin |
| 50 Backstroke | SCY | 26.44 | flat | 200 Medley Relay | 2023-03-23 | 2023 Four Corners Speedo Sectionals - Austin |
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
691 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:02.00 | 691 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2020 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:48.56 | 786 |
| 100 BK SCY | 1:05.45 | 416 |
| 100 BR SCY | 1:16.54 | 391 |
| 100 FL SCY | 1:05.16 | 427 |
| 200 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 1:48.56 RT 0.70s
Front half 52.68s · back half 55.88s
100 Backstroke SCY 1:05.45
Front half 31.70s · back half 33.75s
200 Backstroke SCY 2:02.00
Front half 58.59s · back half 63.41s
100 Breaststroke SCY 1:16.54
Front half 36.18s · back half 40.36s
100 Butterfly SCY 1:05.16
Front half 31.26s · back half 33.90s
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.
Progression
Faster times are higher. One card per event, all courses & history.