Bosong Shu

Mage 16MAMDSECAAESTMCD

399 plausible swims · 70 meets · 2020-11-21 → 2026-05-31

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.50	A+0.11s to AA	2026-01-10	EST SPEEDO Mid-Winter Invite fast pool
100 Freestyle	SCY	50.59	AA+1.60s to AAA	2025-11-13	MERC and CC November Invite
200 Freestyle	SCY	1:53.09	A+1.10s to AA	2026-01-11	EST SPEEDO Mid-Winter Invite fast pool
500 Freestyle	SCY	5:44.50	B+0.51s to BB	2023-11-05	2023 Fox Fall Invitational 2 venue
1650 Freestyle	SCY	19:20.93	BB+58.14s to A	2024-12-28	2024 Speedo IMX Distance Challenge venue
50 Backstroke	SCY	26.18	A+0.09s to AA	2025-12-19	LAC Arena Holiday Classic
100 Backstroke	SCY	56.33	A+0.64s to AA	2025-02-22	2025 Speedo MD LSC Senior Champs venue
200 Backstroke	SCY	2:09.77	BB+2.48s to A	2024-12-19	LAC Arena Holiday Cup 2024
50 Breaststroke	SCY	30.94	A+0.75s to AA	2025-11-13	MERC and CC November Invite
100 Breaststroke	SCY	1:04.98	A+1.79s to AA	2026-02-20	2026 Speedo MD LSC Senior Champs venue
200 Breaststroke	SCY	2:24.09	BB+0.90s to A	2026-01-10	EST SPEEDO Mid-Winter Invite fast pool
50 Butterfly	SCY	27.13	A+1.04s to AA	2025-12-19	LAC Arena Holiday Classic
100 Butterfly	SCY	59.15	BB+1.46s to A	2026-01-31	2026 MIAA A Swimming Championships venue
200 Butterfly	SCY	2:16.92	BB+7.73s to A	2026-01-10	EST SPEEDO Mid-Winter Invite fast pool
100 Individual Medley	SCY	1:00.13		2025-01-18	2025 Retriever Classic venue
200 Individual Medley	SCY	2:05.76	A+1.47s to AA	2026-01-31	2026 MIAA A Swimming Championships venue
400 Individual Medley	SCY	4:43.84	BB+6.15s to A	2025-10-05	2025 Eagle Swim Team Senior Invite venue
50 Freestyle	LCM	26.65	AA+0.76s to AAA	2025-07-12	2025 Sandbox Invitational venue
100 Freestyle	LCM	57.50	AA+1.01s to AAA	2025-07-27	2025 Maryland Long Course Junior Championship venue
200 Freestyle	LCM	2:11.84	A+2.65s to AA	2025-07-26	2025 Maryland Long Course Junior Championship venue
400 Freestyle	LCM	5:06.83	BB+19.24s to A	2024-04-27	2024 NAAC Carol Chidester Invite venue
800 Freestyle	LCM	10:32.90	BB+36.71s to A	2024-05-31	2024 Eagle Swim Team Speedo Sizzler venue
50 Backstroke	LCM	30.92	AA+1.13s to AAA	2026-04-18	2026 EST Spring Into Long Course venue
100 Backstroke	LCM	1:07.70	A+2.41s to AA	2024-07-01	KA Firecracker Classic Long Course A/BB/C Invitational
200 Backstroke	LCM	2:31.94	BB+4.25s to A	2024-07-01	KA Firecracker Classic Long Course A/BB/C Invitational
50 Breaststroke	LCM	42.01	+0.12s to B	2022-08-04	2022 MD LSC LC Championships venue
100 Breaststroke	LCM	1:19.51	BB+2.52s to A	2026-01-01	est sizzler 2026 results 1
200 Breaststroke	LCM	2:55.64	BB+8.15s to A	2026-04-18	2026 EST Spring Into Long Course venue
50 Butterfly	LCM	31.14	BB+0.35s to A	2025-07-26	2025 Maryland Long Course Junior Championship venue
100 Butterfly	LCM	1:12.01	B+0.52s to BB	2025-06-01	2025 Eagle Swim Team Speedo Sizzler venue
200 Butterfly	LCM	3:26.20	+33.91s to B	2023-05-13	2023 Abby Seeger Memorial Invitational venue
200 Individual Medley	LCM	2:34.72	BB+3.43s to A	2026-04-18	2026 EST Spring Into Long Course venue
400 Individual Medley	LCM	5:38.70	BB+16.31s to A	2025-05-31	2025 Eagle Swim Team Speedo Sizzler venue

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

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	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	58.73	flying	400 Free Relay (leg 4)	2022-11-19	2022 NBAC Thanksgiving Meet
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)

Event	Time	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)

Event	Time	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

26.10

28.43

28.97

29.59

Front half 54.53s · back half 58.56s

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

1650 Freestyle SCY 19:20.93

28.49

32.97

34.69

35.25

35.61

35.45

35.24

35.92

36.05

36.02

35.92

35.93

36.06

36.00

35.86

35.83

35.87

35.56

35.81

35.57

35.65

35.37

35.15

35.57

35.91

36.00

35.48

35.68

35.25

34.71

34.46

31.95

100 Backstroke SCY 56.33

27.45

28.88

Front half 27.45s · back half 28.88s

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

32.86

36.94

37.04

37.25

Front half 69.80s · back half 74.29s

100 Butterfly SCY 59.15

27.85

31.30

Front half 27.85s · back half 31.30s

200 Butterfly SCY 2:16.92

30.14

34.17

38.57

34.04

Front half 64.31s · back half 72.61s

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

26.76

31.67

37.92

29.41

Front half 58.43s · back half 67.33s

400 Individual Medley SCY 4:43.84

29.78

35.14

36.41

36.08

42.10

41.37

31.50

31.46

Front half 137.41s · back half 146.43s

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

800 Freestyle LCM 10:32.90

29.31

39.73

38.82

39.22

40.59

39.67

40.63

40.50

41.01

39.98

41.40

40.57

40.95

41.02

40.61

38.89

Front half 308.47s · back half 324.43s

100 Backstroke LCM 1:07.70 split/total mismatch

32.83

2.04

Front half 32.83s · back half 34.87s

200 Backstroke LCM 2:31.94 split/total mismatch

35.14

39.28

39.70

37.82

100 Breaststroke LCM 1:19.51 split/total mismatch

37.75

4.01

Front half 37.75s · back half 41.76s

200 Breaststroke LCM 2:55.64

39.15

44.06

46.09

46.34

Front half 83.21s · back half 92.43s

100 Butterfly LCM 1:12.01

32.44

39.57

Front half 32.44s · back half 39.57s

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 2:34.72

33.90

39.02

47.57

34.23

Front half 72.92s · back half 81.80s

400 Individual Medley LCM 5:38.70

33.78

41.29

43.28

43.86

50.27

50.61

36.13

39.48

Front half 162.21s · back half 176.49s

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.

Progression

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

50 Freestyle SCY 23.50 25 swims

100 Freestyle SCY 50.59 24 swims

200 Freestyle SCY 1:53.09 17 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 26 swims

200 Backstroke SCY 2:09.77 17 swims

50 Breaststroke SCY 30.94 12 swims

100 Breaststroke SCY 1:04.98 19 swims

200 Breaststroke SCY 2:24.09 14 swims

50 Butterfly SCY 27.13 7 swims

100 Butterfly SCY 59.15 10 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 16 swims

400 Individual Medley SCY 4:43.84 8 swims

50 Freestyle LCM 26.65 22 swims

100 Freestyle LCM 57.50 25 swims

200 Freestyle LCM 2:11.84 15 swims

400 Freestyle LCM 5:06.83 7 swims

800 Freestyle LCM 10:32.90 3 swims

50 Backstroke LCM 30.92 12 swims

100 Backstroke LCM 1:07.70 22 swims

200 Backstroke LCM 2:31.94 14 swims

50 Breaststroke LCM 42.01 4 swims

100 Breaststroke LCM 1:19.51 10 swims

200 Breaststroke LCM 2:55.64 7 swims

50 Butterfly LCM 31.14 3 swims

100 Butterfly LCM 1:12.01 5 swims

200 Butterfly LCM 3:26.20 1 swim

200 Individual Medley LCM 2:34.72 13 swims

400 Individual Medley LCM 5:38.70 5 swims