Brian Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 40.00 | +8.91s to B | 2019-12-14 | 2019 NI Super STAR Series Meet 3 venue |
| 100 Freestyle | SCY | 1:38.17 | +30.58s to B | 2020-01-24 | 2020 NI STAR Winter Challenge |
| 200 Freestyle | SCY | 3:18.59 | +50.80s to B | 2019-10-25 | 2019 NI TTSC Halloween Meet slow pool |
| 50 Backstroke | SCY | 52.04 | +16.65s to B | 2020-01-26 | 2020 NI STAR Winter Challenge venue |
| 100 Backstroke | SCY | 1:47.69 | +33.30s to B | 2020-01-24 | 2020 NI STAR Winter Challenge |
| 50 Breaststroke | SCY | 48.19 | +7.70s to B | 2020-01-25 | 2020 NI STAR Winter Challenge venue |
| 100 Breaststroke | SCY | 2:13.60 | +49.31s to B | 2019-10-25 | 2019 NI TTSC Halloween Meet |
| 50 Butterfly | SCY | 54.78 | +20.09s to B | 2020-01-25 | 2020 NI STAR Winter Challenge venue |
| 100 Butterfly | SCY | 2:18.74 | +64.95s to B | 2019-01-01 | SUPER STAR SERIES Meet # 2 venue |
| 100 Individual Medley | SCY | 1:55.86 | 2019-10-25 | 2019 NI TTSC Halloween Meet | |
| 50 Freestyle | LCM | 37.92 | +2.23s to B | 2021-07-29 | 2021 NI BAAC Summer LC Spectacular venue |
| 100 Freestyle | LCM | 1:27.64 | +9.45s to B | 2021-07-30 | 2021 NI BAAC Summer LC Spectacular venue |
| 200 Freestyle | LCM | 3:16.50 | +26.51s to B | 2021-07-31 | 2021 NI BAAC Summer LC Spectacular venue |
| 50 Backstroke | LCM | 59.59 | +18.40s to B | 2019-05-18 | 2019 NI Natalie Lewis Spring Invite slow pool |
| 100 Backstroke | LCM | 1:42.58 | +15.19s to B | 2021-07-31 | 2021 NI BAAC Summer LC Spectacular venue |
| 50 Breaststroke | LCM | 1:12.44 | +26.55s to B | 2019-05-17 | 2019 NI Natalie Lewis Spring Invite |
| 100 Breaststroke | LCM | 1:44.98 | +7.79s to B | 2021-07-29 | 2021 NI BAAC Summer LC Spectacular |
| 50 Butterfly | LCM | 1:18.89 | +39.90s to B | 2019-05-19 | 2019 NI Natalie Lewis Spring Invite slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | LCM | 31.54 | flying | 200 Medley Relay (leg 4) | 2019-06-22 | 2019 NI Buffalo Niagara Sports Commission |
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
IMR 13-14 · LCM
774 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:16.50 | 245 |
| 100 BK LCM | 1:42.58 | 229 |
| 100 BR LCM | 1:44.98 | 300 |
| 100 FL LCM | — | 0 |
| 200 IM 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 1:38.17 split/total mismatch
Front half 46.49s · back half 51.68s
200 Freestyle SCY 3:18.59
Front half 93.01s · back half 105.58s
100 Backstroke SCY 1:47.69 split/total mismatch
Front half 51.32s · back half 56.37s
100 Breaststroke SCY 2:13.60 split/total mismatch
Front half 65.47s · back half 68.13s
100 Butterfly SCY 2:18.74 split/total mismatch
Front half 65.59s · back half 73.15s
100 Individual Medley SCY 1:55.86 split/total mismatch
200 Freestyle LCM 3:16.50
Front half 92.23s · back half 104.27s
100 Backstroke LCM 1:42.58
Front half 49.91s · back half 52.67s
100 Breaststroke LCM 1:44.98 split/total mismatch
Front half 47.61s · back half 57.37s
Progression
Faster times are higher. One card per event, all courses & history.