Dos Rocha

Mage 13MDVANBAC

286 plausible swims · 35 meets · 2022-11-19 → 2026-05-10

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.05	A+0.46s to AA	2026-03-13	2026 MD LSC / NBAC JR Champs - Site 1 fast pool
100 Freestyle	SCY	56.30	A+0.81s to AA	2026-01-17	ISCA January Classic 2026 venue
200 Freestyle	SCY	1:59.21	AA+3.12s to AAA	2026-03-06	2026 MD LSC 14 & U Championships venue
500 Freestyle	SCY	5:22.19	AA+8.90s to AAA	2026-03-13	2026 MD LSC / NBAC JR Champs - Site 1 fast pool
1000 Freestyle	SCY	12:10.80	BB+23.71s to A		2025 NBAC Fall Fastival Meet fast pool
1650 Freestyle	SCY	19:57.82	BB+8.53s to A	2025-10-18	2025 NBAC Fall Fastival Meet fast pool
50 Backstroke	SCY	30.11	A+1.02s to AA	2026-01-18	ISCA January Classic 2026 venue
100 Backstroke	SCY	1:01.47	A+0.38s to AA	2026-03-07	2026 MD LSC 14 & U Championships venue
200 Backstroke	SCY	2:08.99	AA+1.60s to AAA	2026-03-08	2026 MD LSC 14 & U Championships venue
50 Breaststroke	SCY	33.51	A+0.22s to AA	2026-03-08	2026 MD LSC 14 & U Championships venue
100 Breaststroke	SCY	1:17.55	BB+5.26s to A	2025-11-15	2025 NBAC Thanksgiving Meet fast pool
200 Breaststroke	SCY	2:47.95	BB+11.16s to A	2025-10-19	2025 NBAC Fall Fastival Meet fast pool
50 Butterfly	SCY	29.63	A+1.14s to AA	2026-01-18	ISCA January Classic 2026 venue
100 Butterfly	SCY	1:06.10	BB+2.91s to A	2025-12-05	2025 NBAC Holiday Invitational venue
200 Butterfly	SCY	2:31.05	BB+9.36s to A	2025-12-07	2025 NBAC Holiday Invitational venue
100 Individual Medley	SCY	1:06.13		2025-10-18	2025 NBAC Fall Fastival Meet fast pool
200 Individual Medley	SCY	2:15.86	A+0.57s to AA	2026-03-07	2026 MD LSC 14 & U Championships venue
400 Individual Medley	SCY	4:43.31	AA+6.12s to AAA	2026-03-06	2026 MD LSC 14 & U Championships venue
50 Freestyle	LCM	31.24	BB+0.65s to A	2025-07-12	2025 NBAC Mid Summer Classic venue
100 Freestyle	LCM	1:03.59	AA+2.10s to AAA	2026-05-10	2026 NBAC Spring LC Invitational Meet venue
200 Freestyle	LCM	2:21.45	A+1.76s to AA	2026-04-19	2026 EST Spring Into Long Course venue
400 Freestyle	LCM	4:53.24	AA+10.45s to AAA	2026-05-10	2026 NBAC Spring LC Invitational Meet venue
800 Freestyle	LCM	10:22.61	A+5.42s to AA		2026 NBAC Spring LC Invitational Meet venue
1500 Freestyle	LCM	19:44.66	A+2.67s to AA	2026-05-08	2026 NBAC Spring LC Invitational Meet venue
50 Backstroke	LCM	33.47	AA+1.08s to AAA	2026-04-18	2026 EST Spring Into Long Course venue
100 Backstroke	LCM	1:09.95	AA+1.26s to AAA	2026-05-10	2026 NBAC Spring LC Invitational Meet venue
200 Backstroke	LCM	2:30.57	AA+1.48s to AAA	2026-04-18	2026 EST Spring Into Long Course venue
50 Breaststroke	LCM	41.85	BB+2.46s to A	2025-07-11	2025 NBAC Mid Summer Classic venue
100 Breaststroke	LCM	1:23.10	A+3.21s to AA	2026-05-09	2026 NBAC Spring LC Invitational Meet venue
200 Breaststroke	LCM	3:11.15	BB+8.26s to A	2025-07-12	2025 NBAC Mid Summer Classic venue
50 Butterfly	LCM	35.00	BB+1.51s to A	2025-07-12	2025 NBAC Mid Summer Classic venue
100 Butterfly	LCM	1:17.13	BB+5.04s to A	2025-07-11	2025 NBAC Mid Summer Classic venue
200 Individual Medley	LCM	2:42.02	A+5.63s to AA	2025-08-02	2025 MD LSC LC Championships venue
400 Individual Medley	LCM	5:28.29	AA+8.70s to AAA	2026-05-09	2026 NBAC Spring LC Invitational Meet venue

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	SCY	26.42	flying	200 Free Relay (leg 2)	2023-12-08	2023 NBAC Holiday Invitational
50 Freestyle	SCY	36.37	flying	200 Medley Relay (leg 4)	2023-12-09	2023 NBAC Holiday Invitational
50 Backstroke	SCY	29.79	flat	200 Medley Relay	2025-12-06	2025 NBAC Holiday Invitational
50 Butterfly	SCY	38.62	flying	200 Medley Relay (leg 3)	2024-03-17	2024 NBAC / MD LSC 11 & Over B Championships
100 Freestyle	LCM	1:06.95	flying	400 Free Relay (leg 2)	2025-07-31	2025 MD LSC LC Championships
100 Freestyle	LCM	1:07.44	flying	400 Medley Relay (leg 4)	2025-08-01	2025 MD LSC LC Championships

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 13-14 · SCY

3774 points (6/6 events)

Event	Time	Points
500 FR SCY	5:22.19	723
200 BK SCY	2:08.99	727
200 BR SCY	2:47.95	476
200 FL SCY	2:31.05	471
200 IM SCY	2:15.86	663
400 IM SCY	4:43.31	714

IMR 13-14 · LCM

3069 points (5/5 events)

Event	Time	Points
200 FR LCM	2:21.45	657
100 BK LCM	1:09.95	723
100 BR LCM	1:23.10	605
100 FL LCM	1:17.13	477
200 IM LCM	2:42.02	607

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

PR splits

100 Freestyle SCY 56.30

27.30

29.00

Front half 27.30s · back half 29.00s

200 Freestyle SCY 1:59.21

27.19

29.80

31.63

30.59

Front half 56.99s · back half 62.22s

500 Freestyle SCY 5:22.19

27.71

31.19

32.08

32.41

32.85

33.14

33.27

33.71

33.52

32.31

Front half 156.24s · back half 165.95s

1650 Freestyle SCY 19:57.82

32.09

35.83

35.69

36.61

36.40

37.14

37.13

37.34

37.31

37.27

36.90

37.22

36.89

36.82

36.69

37.38

36.84

36.68

36.24

36.33

36.54

36.36

36.17

36.55

36.21

36.63

36.32

36.52

36.35

35.82

36.00

34.65

32.90

100 Backstroke SCY 1:01.47

30.19

31.28

Front half 30.19s · back half 31.28s

200 Backstroke SCY 2:08.99

30.37

31.88

33.37

Front half 62.25s · back half 66.74s

100 Breaststroke SCY 1:17.55

36.71

40.84

Front half 36.71s · back half 40.84s

200 Breaststroke SCY 2:47.95

38.45

42.82

43.68

43.00

Front half 81.27s · back half 86.68s

100 Butterfly SCY 1:06.10

30.99

35.11

Front half 30.99s · back half 35.11s

200 Butterfly SCY 2:31.05

31.83

36.44

40.92

41.86

Front half 68.27s · back half 82.78s

100 Individual Medley SCY 1:06.13

30.30

35.83

Front half 30.30s · back half 35.83s

200 Individual Medley SCY 2:15.86

30.01

33.61

40.98

31.26

Front half 63.62s · back half 72.24s

400 Individual Medley SCY 4:43.31

30.13

34.79

34.41

34.97

42.62

42.88

31.83

31.68

Front half 134.30s · back half 149.01s

100 Freestyle LCM 1:03.59

30.65

32.94

Front half 30.65s · back half 32.94s

200 Freestyle LCM 2:21.45

32.29

36.15

37.65

35.36

Front half 68.44s · back half 73.01s

400 Freestyle LCM 4:53.24

32.89

36.29

37.52

37.17

37.80

37.75

37.57

36.25

Front half 143.87s · back half 149.37s

1500 Freestyle LCM 19:44.66

32.38

36.84

38.26

38.69

38.27

38.87

39.16

39.36

39.47

39.49

39.94

40.30

40.37

40.55

40.53

40.13

41.08

41.05

41.11

40.67

40.77

40.69

40.57

40.54

40.74

39.43

39.12

38.93

36.81

Front half 582.48s · back half 602.18s

100 Backstroke LCM 1:09.95

34.36

35.59

Front half 34.36s · back half 35.59s

200 Backstroke LCM 2:30.57

35.59

38.73

38.71

37.54

Front half 74.32s · back half 76.25s

100 Breaststroke LCM 1:23.10

39.35

43.75

Front half 39.35s · back half 43.75s

200 Breaststroke LCM 3:11.15

43.35

48.62

49.50

49.68

Front half 91.97s · back half 99.18s

100 Butterfly LCM 1:17.13

36.15

40.98

Front half 36.15s · back half 40.98s

200 Individual Medley LCM 2:42.02

34.80

40.20

50.03

36.99

Front half 75.00s · back half 87.02s

400 Individual Medley LCM 5:28.29

33.92

40.91

41.45

41.47

47.64

48.39

37.95

36.56

Front half 157.75s · back half 170.54s

Reaction time

fastest 0.64s average 0.640s slowest 0.64s 1 electronic start

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 26.05 14 swims

100 Freestyle SCY 56.30 17 swims

200 Freestyle SCY 1:59.21 14 swims

500 Freestyle SCY 5:22.19 7 swims

1000 Freestyle SCY 12:10.80 0 swims

1650 Freestyle SCY 19:57.82 1 swim

50 Backstroke SCY 30.11 17 swims

100 Backstroke SCY 1:01.47 18 swims

200 Backstroke SCY 2:08.99 10 swims

50 Breaststroke SCY 33.51 8 swims

100 Breaststroke SCY 1:17.55 4 swims

200 Breaststroke SCY 2:47.95 3 swims

50 Butterfly SCY 29.63 15 swims

100 Butterfly SCY 1:06.10 7 swims

200 Butterfly SCY 2:31.05 4 swims

100 Individual Medley SCY 1:06.13 10 swims

200 Individual Medley SCY 2:15.86 8 swims

400 Individual Medley SCY 4:43.31 4 swims

50 Freestyle LCM 31.24 12 swims

100 Freestyle LCM 1:03.59 15 swims

200 Freestyle LCM 2:21.45 14 swims

400 Freestyle LCM 4:53.24 7 swims

800 Freestyle LCM 10:22.61 0 swims

1500 Freestyle LCM 19:44.66 1 swim

50 Backstroke LCM 33.47 12 swims

100 Backstroke LCM 1:09.95 12 swims

200 Backstroke LCM 2:30.57 6 swims

50 Breaststroke LCM 41.85 6 swims

100 Breaststroke LCM 1:23.10 14 swims

200 Breaststroke LCM 3:11.15 2 swims

50 Butterfly LCM 35.00 6 swims

100 Butterfly LCM 1:17.13 3 swims

200 Individual Medley LCM 2:42.02 9 swims

400 Individual Medley LCM 5:28.29 4 swims