Bosong Shu

Mage 16MAMDSECAAESTMCD

419 plausible swims · 73 meets · 2020-10-31 → 2026-07-17

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 23.50 A+0.11s to AA·+1.11s to Sectionals 2026-01-09 EST SPEEDO Mid-Winter Invite
100 Freestyle SCY 50.59 AA+1.60s to AAA·+2.10s to Sectionals 2025-11-13 MERC and CC November Invite
200 Freestyle SCY 1:53.09 A+1.10s to AA·+6.80s to Sectionals 2026-01-09 EST SPEEDO Mid-Winter Invite
500 Freestyle SCY 5:44.50 B+0.51s to BB·+57.11s to Sectionals 2023-11-05 2023 Fox Fall Invitational 2venue
1650 Freestyle SCY 19:20.93 BB+58.14s to A·+156.94s to Sectionals 2024-12-28 2024 Speedo IMX Distance Challenge
50 Backstroke SCY 26.18 A+0.09s to AA·+2.49s to Futures 2025-12-19 LAC Arena Holiday Classic
100 Backstroke SCY 56.33 A+0.64s to AA·+1.84s to Sectionals 2025-02-20 2025 Speedo MD LSC Senior Champs
200 Backstroke SCY 2:09.77 BB+2.48s to A·+11.18s to Sectionals 2024-12-19 LAC Arena Holiday Cup 2024
50 Breaststroke SCY 30.94 A+0.75s to AA·+4.65s to Futures 2025-11-13 MERC and CC November Invite
100 Breaststroke SCY 1:04.98 A+1.79s to AA·+3.49s to Sectionals 2026-02-20 2026 Speedo MD LSC Senior Champsvenue
200 Breaststroke SCY 2:24.09 BB+0.90s to A·+9.10s to Sectionals 2026-01-09 EST SPEEDO Mid-Winter Invite
50 Butterfly SCY 27.13 A+1.04s to AA·+4.24s to Futures 2025-12-19 LAC Arena Holiday Classic
100 Butterfly SCY 59.15 BB+1.46s to A·+5.96s to Sectionals 2026-01-01 2026 MIAA A Conference Championships
200 Butterfly SCY 2:16.92 BB+7.73s to A·+15.73s to Sectionals 2026-01-09 EST SPEEDO Mid-Winter Invite
100 Individual Medley SCY 1:00.13 2025-01-18 2025 Retriever Classicvenue
200 Individual Medley SCY 2:05.76 A+1.47s to AA·+6.37s to Sectionals 2026-01-01 2026 MIAA A Conference Championships
400 Individual Medley SCY 4:43.84 BB+6.15s to A·+28.75s to Sectionals 2025-10-04 2025 Eagle Swim Team Senior Invite
50 Freestyle LCM 26.65 AA+0.76s to AAA·+1.16s to Sectionals 2025-07-10 2025 Sandbox Invitational
100 Freestyle LCM 57.50 AA+1.01s to AAA·+2.01s to Sectionals 2025-07-27 2025 Maryland Long Course Junior Championshipvenue
200 Freestyle LCM 2:11.84 A+2.65s to AA·+10.55s to Sectionals 2025-07-26 2025 Maryland Long Course Junior Championshipvenue
400 Freestyle LCM 5:06.83 BB+19.24s to A·+49.24s to Sectionals 2024-04-27 2024 NAAC Carol Chidester Invitevenue
800 Freestyle LCM 10:32.90 BB+36.71s to A·+94.51s to Sectionals 2024-05-31 2024 Eagle Swim Team Speedo Sizzler
50 Backstroke LCM 30.92 AA+1.13s to AAA·+3.03s to Futures 2026-04-18 2026 EST Spring Into Long Course
100 Backstroke LCM 1:07.04 A+1.75s to AA·+5.05s to Sectionals 2026-07-17 2026 MD Long Course Last Chance Meet
200 Backstroke LCM 2:31.94 BB+4.25s to A·+17.15s to Sectionals 2024-07-01 KA Firecracker Classic Long Course A/BB/C Invitational
50 Breaststroke LCM 36.25 BB+0.36s to A·+5.36s to Futures 2026-01-01 UMBC/Retriever Aquatics
100 Breaststroke LCM 1:19.51 BB+2.52s to A·+9.82s to Sectionals 2026-05-31 2026 Eagle Swim Team Speedo Sizzlervenue
200 Breaststroke LCM 2:55.64 BB+8.15s to A·+23.05s to Sectionals 2026-04-18 2026 EST Spring Into Long Course
50 Butterfly LCM 31.14 BB+0.35s to A·+4.85s to Futures 2025-07-26 2025 Maryland Long Course Junior Championshipvenue
100 Butterfly LCM 1:10.77 BB+4.78s to A·+10.58s to Sectionals 2026-07-10 2026 RAC Sandboxvenue
200 Butterfly LCM 3:26.20 +33.91s to B·+69.91s to Sectionals 2023-05-13 2023 Abby Seeger Memorial Invitationalvenue
200 Individual Medley LCM 2:31.44 BB+0.15s to A·+15.25s to Sectionals 2026-07-11 2026 RAC Sandboxvenue
400 Individual Medley LCM 5:38.70 BB+16.31s to A·+48.81s to Sectionals 2025-05-30 2025 Eagle Swim Team Speedo Sizzler

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 24.80 flat 200 Free Relay 2023-11-18 2023 NBAC Thanksgiving Meet
50 Freestyle SCY 22.86 flying 200 Free Relay (leg 3) 2026-01-31 2026 MIAA A Swimming Championships
100 Freestyle SCY 52.89 flat 400 Free Relay 2024-03-03 2024 MD LSC 14 & U Championships
100 Freestyle SCY 56.69 flying 400 Medley Relay (leg 4) 2023-03-12 2023 Speedo MD LSC JR Champs - FSC Site
100 Freestyle SCY 56.56 flying 400 Free Relay (leg 4) 2023-03-11 2023 Speedo MD LSC JR Champs - FSC Site
200 Freestyle SCY 1:59.30 flying 800 Free Relay (leg 3) 2024-02-29 2024 MD LSC 14 & U Championships
50 Backstroke SCY 27.10 flat 200 Medley Relay 2024-02-29 2024 MD LSC 14 & U Championships
100 Backstroke SCY 57.80 flat 400 Medley Relay 2024-03-02 2024 MD LSC 14 & U Championships
50 Breaststroke SCY 30.01 flying 200 Medley Relay (leg 2) 2026-01-31 2026 MIAA A Swimming Championships
100 Butterfly SCY 1:02.36 flying 400 Medley Relay (leg 3) 2024-03-10 2024 Speedo MD LSC JR Champs - Site 1
50 Freestyle LCM 30.55 flat 200 Free Relay 2022-07-08 2022 Sandbox Invitational
100 Freestyle LCM 1:10.56 flat 400 Free Relay 2022-07-10 2022 Sandbox Invitational
100 Freestyle LCM 59.61 flying 400 Free Relay (leg 4) 2024-08-01 2024 MD LSC LC Championships
100 Freestyle LCM 1:00.45 flying 400 Medley Relay (leg 4) 2024-08-02 2024 MD LSC LC Championships
100 Backstroke LCM 1:09.57 flat 400 Medley Relay 2023-08-04 2023 Speedo Maryland Long Course Championship
50 Breaststroke LCM 42.33 flying 200 Medley Relay (leg 2) 2022-07-08 2022 Sandbox Invitational
100 Breaststroke LCM 1:36.00 flying 400 Medley Relay (leg 2) 2022-07-09 2022 Sandbox Invitational

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 15-16 · SCY

3694 points (6/6 events)

EventTime Points
500 FR SCY 5:44.50 515
200 BK SCY 2:09.77 620
200 BR SCY 2:24.09 657
200 FL SCY 2:16.92 557
200 IM SCY 2:05.76 729
400 IM SCY 4:43.84 616

IMR 15-16 · SCY

3507 points (5/5 events)

EventTime Points
200 FR SCY 1:53.09 733
100 BK SCY 56.33 728
100 BR SCY 1:04.98 699
100 FL SCY 59.15 618
200 IM SCY 2:05.76 729

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 50.59 split/total mismatch

24.29
2.01

Front half 24.29s · back half 26.30s

200 Freestyle SCY 1:53.09 split/total mismatch

26.10
2.33
0.54
0.62

Front half 28.43s · back half 84.66s

500 Freestyle SCY 5:44.50

30.34
33.63
35.12
34.86
35.62
36.06
35.34
35.75
35.16
32.62

Front half 169.57s · back half 174.93s

200 Backstroke SCY 2:09.77 split/total mismatch

29.00
32.66
34.60
33.51

50 Breaststroke SCY 30.94 split/total mismatch

14.43
2.08

Front half 14.43s · back half 16.51s

100 Breaststroke SCY 1:04.98

30.46
34.52

Front half 30.46s · back half 34.52s

200 Breaststroke SCY 2:24.09 split/total mismatch

32.86
4.08
0.10
0.21

Front half 36.94s · back half 107.15s

100 Butterfly SCY 59.15 split/total mismatch

27.85
3.45

Front half 27.85s · back half 31.30s

200 Butterfly SCY 2:16.92 split/total mismatch

30.14
34.17
38.57
34.04

100 Individual Medley SCY 1:00.13

27.69
32.44

Front half 27.69s · back half 32.44s

200 Individual Medley SCY 2:05.76 split/total mismatch

26.76
31.67
37.92
29.41

100 Freestyle LCM 57.50

27.29
30.21

Front half 27.29s · back half 30.21s

200 Freestyle LCM 2:11.84

29.51
32.92
34.71
34.70

Front half 62.43s · back half 69.41s

400 Freestyle LCM 5:06.83

33.27
37.76
38.72
38.97
39.04
39.94
40.87
38.26

Front half 148.72s · back half 158.11s

200 Backstroke LCM 2:31.94 split/total mismatch

35.14
39.28
39.70
37.82

100 Breaststroke LCM 1:19.51

37.75
41.76

Front half 37.75s · back half 41.76s

200 Breaststroke LCM 2:55.64 split/total mismatch

39.15
4.91
2.03
0.25

Front half 44.06s · back half 131.58s

100 Butterfly LCM 1:10.77

32.76
38.01

Front half 32.76s · back half 38.01s

200 Butterfly LCM 3:26.20

38.49
52.41
55.95
59.35

Front half 90.90s · back half 115.30s

200 Individual Medley LCM 2:31.44

33.62
37.52
46.98
33.32

Front half 71.14s · back half 80.30s

Reaction time

fastest 0.70s average 0.732s slowest 0.79s 4 electronic starts

Start reaction over time faster starts higher

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
DateEventCourse TimeAge RoundMeet

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.

50 Freestyle SCY 23.50 24 swims
100 Freestyle SCY 50.59 23 swims
200 Freestyle SCY 1:53.09 16 swims
500 Freestyle SCY 5:44.50 4 swims
1650 Freestyle SCY 19:20.93 1 swim
50 Backstroke SCY 26.18 17 swims
100 Backstroke SCY 56.33 24 swims
200 Backstroke SCY 2:09.77 16 swims
50 Breaststroke SCY 30.94 12 swims
100 Breaststroke SCY 1:04.98 21 swims
200 Breaststroke SCY 2:24.09 15 swims
50 Butterfly SCY 27.13 7 swims
100 Butterfly SCY 59.15 12 swims
200 Butterfly SCY 2:16.92 5 swims
100 Individual Medley SCY 1:00.13 9 swims
200 Individual Medley SCY 2:05.76 17 swims
400 Individual Medley SCY 4:43.84 8 swims
50 Freestyle LCM 26.65 25 swims
100 Freestyle LCM 57.50 25 swims
200 Freestyle LCM 2:11.84 15 swims
400 Freestyle LCM 5:06.83 6 swims
800 Freestyle LCM 10:32.90 2 swims
50 Backstroke LCM 30.92 16 swims
100 Backstroke LCM 1:07.04 25 swims
200 Backstroke LCM 2:31.94 14 swims
50 Breaststroke LCM 36.25 6 swims
100 Breaststroke LCM 1:19.51 10 swims
200 Breaststroke LCM 2:55.64 6 swims
50 Butterfly LCM 31.14 3 swims
100 Butterfly LCM 1:10.77 7 swims
200 Butterfly LCM 3:26.20 1 swim
200 Individual Medley LCM 2:31.44 16 swims
400 Individual Medley LCM 5:38.70 4 swims