Boyu Chen

Mage 15MTPNBVUEPDST

247 plausible swims · 49 meets · 2024-01-27 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.94	BB+0.25s to A	2025-12-07	2025 PN Fall Divisionals, Division 1 - OCA venue
100 Freestyle	SCY	56.26	BB+1.97s to A	2025-11-23	2025 PN November AGI Div 1 (PDST) venue
200 Freestyle	SCY	1:59.02	BB+0.43s to A	2026-02-07	2026 (WIAA)KingCo(Sea-King Dist II) 3A BoysOB venue
500 Freestyle	SCY	5:22.95	BB+0.36s to A	2026-02-06	2026 (WIAA)KingCo(Sea-King Dist II) 3A BoysOB venue
1650 Freestyle	SCY	18:22.43	A+28.24s to AA	2026-03-19	2026 Northwest Region Age Group Championships
50 Backstroke	SCY	29.61	BB+1.62s to A	2025-03-29	2025 PN Spring Finale, Division 2
100 Backstroke	SCY	1:02.15	BB+2.56s to A	2025-12-06	2025 PN Fall Divisionals, Division 1 - OCA venue
200 Backstroke	SCY	2:14.99	BB+4.90s to A	2025-11-22	2025 PN November AGI Div 1 (PDST) venue
50 Breaststroke	SCY	31.62	A+0.83s to AA	2025-12-14	2025 PN 14&Under Short Course Champs-Approved venue
100 Breaststroke	SCY	1:07.79	BB+0.40s to A	2026-01-17	2026 PN VAST 49th Annual Washington Open- APP venue
200 Breaststroke	SCY	2:24.23	A+3.34s to AA	2025-12-13	2025 PN 14&Under Short Course Champs-Approved venue
50 Butterfly	SCY	31.73	B+1.64s to BB	2024-01-27	2024 PN PDST Winter Invitational venue
100 Butterfly	SCY	55.60	AA+1.61s to AAA	2025-02-21	2025 PN SRST Champs Qualifier
200 Butterfly	SCY	2:18.35	BB+6.36s to A	2025-12-06	2025 PN Fall Divisionals, Division 1 - OCA venue
200 Individual Medley	SCY	2:15.49	BB+3.30s to A	2025-02-22	2025 PN SRST Champs Qualifier venue
400 Individual Medley	SCY	4:34.66	A+2.27s to AA	2026-03-19	2026 Northwest Region Age Group Championships
50 Freestyle	LCM	28.51	A+1.12s to AA	2026-05-16	2026 PN IST Sockeye Springtime Madness App. venue
100 Freestyle	LCM	1:00.67	A+0.98s to AA	2026-06-13	2026 PN IST June Invtational- Approved venue
200 Freestyle	LCM	2:12.68	A+1.19s to AA	2026-06-14	2026 PN IST June Invtational- Approved venue
400 Freestyle	LCM	4:43.99	A+4.10s to AA	2025-07-19	2025 PN 13&O LC Senior Championships venue
1500 Freestyle	LCM	18:37.38	A+1.09s to AA	2025-07-17	2025 PN 13&O LC Senior Championships venue
50 Backstroke	LCM	33.07	A+1.28s to AA	2026-05-17	2026 PN IST Sockeye Springtime Madness App. venue
100 Backstroke	LCM	1:07.98	A+1.29s to AA	2025-07-11	2025 PN OCA July Jamboree Invitational
200 Backstroke	LCM	2:34.00	BB+2.91s to A	2025-06-29	2025 PN SMAC Summer Classic Invitational venue
50 Breaststroke	LCM	35.31	A+0.32s to AA	2026-05-16	2026 PN IST Sockeye Springtime Madness App. venue
100 Breaststroke	LCM	1:12.26	AA+0.47s to AAA	2026-05-21	2026 PN IST Sockeye Springtime Madness App.
200 Breaststroke	LCM	2:41.33	AA+4.24s to AAA	2026-05-16	2026 PN IST Sockeye Springtime Madness App. venue
50 Butterfly	LCM	30.74	A+0.75s to AA	2026-06-13	2026 PN IST June Invtational- Approved venue
100 Butterfly	LCM	1:18.74	+0.15s to B	2024-05-18	2024 PN IST Sockeye Springtime Madness venue
200 Individual Medley	LCM	2:24.97	AA+4.48s to AAA	2024-05-17	2024 PN IST Sockeye Springtime Madness
400 Individual Medley	LCM	5:07.39	AA+5.50s to AAA	2026-06-14	2026 PN IST June Invtational- Approved venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	25.36	flying	200 Free Relay (leg 3)	2026-03-21	2026 NW Region Age Group Champs- Approved
100 Freestyle	SCY	55.33	flying	400 Free Relay (leg 3)	2025-12-14	2025 PN 14&Under Short Course Champs-Approved
50 Breaststroke	SCY	31.40	flying	200 Medley Relay (leg 2)	2026-03-20	2026 NW Region Age Group Champs- Approved
100 Breaststroke	SCY	1:06.61	flying	400 Medley Relay (leg 2)	2025-12-13	2025 PN 14&Under Short Course Champs-Approved
100 Butterfly	SCY	1:00.53	flying	400 Medley Relay (leg 3)	2026-03-21	2026 NW Region Age Group Champs- Approved

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

3635 points (6/6 events)

Event	Time	Points
500 FR SCY	5:22.95	626
200 BK SCY	2:14.99	551
200 BR SCY	2:24.23	655
200 FL SCY	2:18.35	540
200 IM SCY	2:15.49	583
400 IM SCY	4:34.66	680

IMR 15-16 · LCM

3311 points (5/5 events)

Event	Time	Points
200 FR LCM	2:12.68	694
100 BK LCM	1:07.98	670
100 BR LCM	1:12.26	800
100 FL LCM	1:18.74	391
200 IM LCM	2:24.97	756

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

PR splits

100 Freestyle SCY 56.26

26.98

29.28

Front half 26.98s · back half 29.28s

200 Freestyle SCY 1:59.02

27.00

30.06

31.03

30.93

Front half 57.06s · back half 61.96s

500 Freestyle SCY 5:22.95

27.92

31.07

32.52

32.91

33.17

33.41

33.78

33.70

33.20

31.27

Front half 157.59s · back half 165.36s

1650 Freestyle SCY 18:22.43 split/total mismatch

31.40

65.28

28.81

60.26

92.72

125.27

100 Backstroke SCY 1:02.15 RT 0.75s

30.23

31.92

Front half 30.23s · back half 31.92s

200 Backstroke SCY 2:14.99

31.98

34.37

34.40

34.24

Front half 66.35s · back half 68.64s

100 Breaststroke SCY 1:07.79

31.72

36.07

Front half 31.72s · back half 36.07s

200 Breaststroke SCY 2:24.23 RT 0.67s

31.96

36.16

37.56

38.55

Front half 68.12s · back half 76.11s

200 Butterfly SCY 2:18.35 RT 0.67s

29.88

35.06

36.35

37.06

Front half 64.94s · back half 73.41s

200 Individual Medley SCY 2:15.49

29.89

35.20

39.06

31.34

Front half 65.09s · back half 70.40s

400 Individual Medley SCY 4:34.66

28.29

33.27

36.06

35.06

37.42

39.01

33.30

32.25

Front half 132.68s · back half 141.98s

200 Freestyle LCM 2:12.68 RT 0.64s

63.32

69.36

Front half 63.32s · back half 69.36s

400 Freestyle LCM 4:43.99 RT 0.67s

31.24

34.88

35.98

36.51

36.55

37.08

37.02

34.73

Front half 138.61s · back half 145.38s

1500 Freestyle LCM 18:37.38 RT 0.54s

68.83

74.48

74.75

76.19

76.28

75.76

76.05

75.75

74.55

75.40

74.87

74.64

75.18

73.79

70.86

100 Backstroke LCM 1:07.98 split/total mismatch

32.47

68.95

106.63

144.67

33.01

67.98

338.48

377.92

412.28

456.00

34.36

70.46

649.38

693.99

733.57

773.94

34.65

70.69

969.98

1008.35

1047.16

1085.65

34.09

70.73

200 Backstroke LCM 2:34.00 RT 0.62s

75.58

78.42

Front half 75.58s · back half 78.42s

200 Breaststroke LCM 2:41.33 · 14.3 min after 50 Breaststroke

77.29

84.04

Front half 77.29s · back half 84.04s

400 Individual Medley LCM 5:07.39 RT 0.62s

66.68

80.10

86.93

73.68

Front half 146.78s · back half 160.61s

Reaction time

fastest 0.50s average 0.641s slowest 0.75s 56 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 24.94 9 swims

100 Freestyle SCY 56.26 9 swims

200 Freestyle SCY 1:59.02 12 swims

500 Freestyle SCY 5:22.95 10 swims

1650 Freestyle SCY 18:22.43 8 swims

50 Backstroke SCY 29.61 3 swims

100 Backstroke SCY 1:02.15 17 swims

200 Backstroke SCY 2:14.99 7 swims

50 Breaststroke SCY 31.62 7 swims

100 Breaststroke SCY 1:07.79 17 swims

200 Breaststroke SCY 2:24.23 10 swims

50 Butterfly SCY 31.73 2 swims

100 Butterfly SCY 55.60 15 swims

200 Butterfly SCY 2:18.35 3 swims

200 Individual Medley SCY 2:15.49 11 swims

400 Individual Medley SCY 4:34.66 14 swims

50 Freestyle LCM 28.51 8 swims

100 Freestyle LCM 1:00.67 4 swims

200 Freestyle LCM 2:12.68 8 swims

400 Freestyle LCM 4:43.99 7 swims

1500 Freestyle LCM 18:37.38 4 swims

50 Backstroke LCM 33.07 6 swims

100 Backstroke LCM 1:07.98 3 swims

200 Backstroke LCM 2:34.00 6 swims

50 Breaststroke LCM 35.31 4 swims

100 Breaststroke LCM 1:12.26 7 swims

200 Breaststroke LCM 2:41.33 10 swims

50 Butterfly LCM 30.74 3 swims

100 Butterfly LCM 1:18.74 1 swim

200 Individual Medley LCM 2:24.97 11 swims

400 Individual Medley LCM 5:07.39 11 swims