Brian Xu

Mage 13NIBAACVELO

60 plausible swims · 17 meets · 2019-01-01 → 2021-07-31

Personal records

EventCourseBest CutDateMeet
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

LegCourseTime StartRelayDateMeet
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)

EventTime 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

46.49
5.19

Front half 46.49s · back half 51.68s

200 Freestyle SCY 3:18.59

41.80
51.21
54.30
51.28

Front half 93.01s · back half 105.58s

100 Backstroke SCY 1:47.69 split/total mismatch

51.32
5.05

Front half 51.32s · back half 56.37s

100 Breaststroke SCY 2:13.60 split/total mismatch

65.47
2.66

Front half 65.47s · back half 68.13s

100 Butterfly SCY 2:18.74 split/total mismatch

65.59
7.56

Front half 65.59s · back half 73.15s

100 Individual Medley SCY 1:55.86 split/total mismatch

59.91
55.95

200 Freestyle LCM 3:16.50

42.23
50.00
57.01
47.26

Front half 92.23s · back half 104.27s

100 Backstroke LCM 1:42.58

49.91
52.67

Front half 49.91s · back half 52.67s

100 Breaststroke LCM 1:44.98 split/total mismatch

47.61
9.76

Front half 47.61s · back half 57.37s

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 40.00 4 swims
100 Freestyle SCY 1:38.17 6 swims
200 Freestyle SCY 3:18.59 1 swim
50 Backstroke SCY 52.04 3 swims
100 Backstroke SCY 1:47.69 4 swims
50 Breaststroke SCY 48.19 4 swims
100 Breaststroke SCY 2:13.60 2 swims
50 Butterfly SCY 54.78 4 swims
100 Butterfly SCY 2:18.74 2 swims
100 Individual Medley SCY 1:55.86 2 swims
50 Freestyle LCM 37.92 5 swims
100 Freestyle LCM 1:27.64 5 swims
200 Freestyle LCM 3:16.50 1 swim
50 Backstroke LCM 59.59 4 swims
100 Backstroke LCM 1:42.58 4 swims
50 Breaststroke LCM 1:12.44 3 swims
100 Breaststroke LCM 1:44.98 5 swims
50 Butterfly LCM 1:18.89 1 swim