Marco Du

Mage 15FLFAST

138 plausible swims · 20 meets · 2024-01-12 → 2026-06-28

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	25.83	BB+1.14s to A	2026-03-01	2026 Area 4 Spring Champs venue
100 Freestyle	SCY	56.34	BB+2.05s to A	2026-02-28	2026 Area 4 Spring Champs venue
200 Freestyle	SCY	2:07.64	BB+9.05s to A	2026-03-01	2026 Area 4 Spring Champs venue
500 Freestyle	SCY	6:30.51	+14.22s to B	2024-02-23	2024 Spring Area 4 Championships venue
1000 Freestyle	SCY	13:21.25	+17.56s to B	2024-02-02	2024 FAST February Invite venue
1650 Freestyle	SCY	22:19.41	+31.72s to B	2024-01-12	2024 FAST Polar Bear Plunge venue
50 Backstroke	SCY	28.91	BB+0.92s to A	2026-01-10	2026 FAST Polar Plunge venue
100 Backstroke	SCY	1:02.33	BB+2.74s to A	2025-12-06	2025 Speedo Gator Holiday Classic fast pool
200 Backstroke	SCY	2:23.02	B+2.03s to BB	2026-02-28	2026 Area 4 Spring Champs venue
50 Breaststroke	SCY	35.50	B+0.71s to BB	2025-10-12	2025 FAST Pumpkin Plunge venue
100 Breaststroke	SCY	1:17.05	B+4.06s to BB	2026-01-10	2026 FAST Polar Plunge venue
200 Breaststroke	SCY	2:49.28	B+10.09s to BB	2025-03-01	2025 Area 4 Spring Champs venue
50 Butterfly	SCY	29.53	BB+1.74s to A	2025-10-11	2025 FAST Pumpkin Plunge venue
100 Butterfly	SCY	1:06.76	B+2.97s to BB	2026-02-01	2026 FAST February Helping Hands Invite venue
200 Butterfly	SCY	2:55.50	+21.51s to B	2024-02-04	2024 FAST February Invite venue
100 Individual Medley	SCY	1:09.56		2025-01-11	2025 FAST Polar Bear Plunge venue
200 Individual Medley	SCY	2:23.57	B+0.38s to BB	2026-01-31	2026 FAST February Helping Hands Invite venue
400 Individual Medley	SCY	5:44.10	+12.51s to B	2024-02-03	2024 FAST February Invite venue
50 Freestyle	LCM	29.48	BB+0.89s to A	2026-06-27	2026 FAST Independence Invitational venue
100 Freestyle	LCM	1:05.56	BB+3.27s to A	2026-06-28	2026 FAST Independence Invitational venue
200 Freestyle	LCM	2:27.57	BB+10.38s to A	2026-06-26	2026 FAST Independence Invitational venue
400 Freestyle	LCM	5:49.71	+8.92s to B	2024-07-06	2023 SLAC Last Chance to Dance Invitational venue
800 Freestyle	LCM	11:58.64	+14.05s to B	2024-07-07	2023 SLAC Last Chance to Dance Invitational venue
1500 Freestyle	LCM	22:59.77	+20.88s to B	2024-05-17	2024 FAST May Invite venue
50 Backstroke	LCM	33.60	BB+0.41s to A	2026-06-25	2026 FAST Independence Invitational venue
100 Backstroke	LCM	1:13.51	BB+3.92s to A	2026-06-26	2026 FAST Independence Invitational venue
200 Backstroke	LCM	2:43.53	BB+12.44s to A	2026-06-28	2026 FAST Independence Invitational venue
50 Breaststroke	LCM	39.95	B+0.36s to BB	2026-06-25	2026 FAST Independence Invitational venue
100 Breaststroke	LCM	1:31.95	+0.56s to B	2024-06-30	2024 FAST Independence Invitational venue
200 Breaststroke	LCM	3:23.23	+3.34s to B	2024-07-06	2023 SLAC Last Chance to Dance Invitational venue
50 Butterfly	LCM	32.69	BB+1.40s to A	2026-05-17	2026 FAST May Invite fast pool
100 Butterfly	LCM	1:14.00	B+1.11s to BB	2026-06-27	2026 FAST Independence Invitational venue
200 Butterfly	LCM	3:30.06	+34.37s to B	2024-06-02	2024 Sunshine State Games venue
200 Individual Medley	LCM	2:50.65	B+4.66s to BB	2025-06-20	2025 FAST Independence Invitational venue
400 Individual Medley	LCM	6:22.36	B+25.67s to BB	2024-05-19	2024 FAST May Invite venue

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

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 Backstroke	SCY	30.26	flat	200 Medley Relay	2025-03-08	2025 Florida Swimming FLAGS NORTH
100 Backstroke	SCY	1:05.68	flat	400 Medley Relay	2025-03-06	2025 Florida Swimming FLAGS NORTH
100 Backstroke	LCM	1:20.26	flat	400 Medley Relay	2024-06-28	2024 FAST Independence 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

2322 points (6/6 events)

Event	Time	Points
500 FR SCY	6:30.51	354
200 BK SCY	2:23.02	463
200 BR SCY	2:49.28	405
200 FL SCY	2:55.50	264
200 IM SCY	2:23.57	490
400 IM SCY	5:44.10	346

IMR 15-16 · SCY

2386 points (5/5 events)

Event	Time	Points
200 FR SCY	2:07.64	510
100 BK SCY	1:02.33	537
100 BR SCY	1:17.05	419
100 FL SCY	1:06.76	430
200 IM SCY	2:23.57	490

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

PR splits

100 Freestyle SCY 56.34

26.94

29.40

Front half 26.94s · back half 29.40s

200 Freestyle SCY 2:07.64

28.12

31.56

34.12

33.84

Front half 59.68s · back half 67.96s

500 Freestyle SCY 6:30.51 RT 0.77s

33.40

38.51

40.05

40.26

40.59

39.94

41.14

40.30

40.24

36.08

Front half 192.81s · back half 197.70s

1000 Freestyle SCY 13:21.25 RT 0.83s

33.28

37.50

39.77

40.28

40.82

40.18

40.73

41.15

41.03

41.37

40.98

41.32

40.06

41.32

40.75

41.72

40.34

40.18

41.06

37.41

Front half 396.11s · back half 405.14s

1650 Freestyle SCY 22:19.41 RT 0.82s

34.14

39.01

40.59

39.65

40.94

40.67

40.69

41.30

40.62

41.00

40.70

40.76

40.95

41.36

41.62

41.92

41.95

41.13

41.11

41.46

41.09

41.65

41.37

40.52

41.87

41.29

41.59

42.05

40.28

41.19

39.48

40.69

34.77

100 Backstroke SCY 1:02.33

29.70

32.63

Front half 29.70s · back half 32.63s

200 Backstroke SCY 2:23.02

32.98

36.20

37.23

36.61

Front half 69.18s · back half 73.84s

100 Breaststroke SCY 1:17.05

36.74

40.31

Front half 36.74s · back half 40.31s

200 Breaststroke SCY 2:49.28 RT 0.87s

37.78

42.78

44.35

44.37

Front half 80.56s · back half 88.72s

100 Butterfly SCY 1:06.76

30.98

35.78

Front half 30.98s · back half 35.78s

200 Butterfly SCY 2:55.50 RT 0.80s

36.64

44.64

47.45

46.77

Front half 81.28s · back half 94.22s

100 Individual Medley SCY 1:09.56 RT 0.79s

32.74

36.82

Front half 32.74s · back half 36.82s

200 Individual Medley SCY 2:23.57 RT 0.82s

31.19

36.09

43.07

33.22

Front half 67.28s · back half 76.29s

400 Individual Medley SCY 5:44.10 RT 0.80s

39.20

46.21

42.87

41.74

47.90

46.93

40.66

38.59

Front half 170.02s · back half 174.08s

100 Freestyle LCM 1:05.56

30.69

34.87

Front half 30.69s · back half 34.87s

200 Freestyle LCM 2:27.57

31.94

36.53

39.44

39.66

Front half 68.47s · back half 79.10s

400 Freestyle LCM 5:49.71 RT 0.77s

37.82

41.35

44.46

45.40

46.19

46.15

46.82

41.52

Front half 169.03s · back half 180.68s

800 Freestyle LCM 11:58.64 RT 0.80s

39.83

41.89

43.79

44.13

45.81

46.30

46.25

46.75

45.61

46.16

46.00

46.90

45.01

45.40

42.51

Front half 354.30s · back half 364.34s

1500 Freestyle LCM 22:59.77 RT 0.77s

36.90

41.68

44.16

44.47

45.30

46.46

46.48

46.26

46.82

46.45

46.93

46.01

46.91

46.24

46.49

46.11

47.02

46.96

46.58

47.12

46.72

47.21

47.39

47.60

47.06

47.12

47.65

46.96

46.93

43.78

Front half 677.56s · back half 702.21s

100 Backstroke LCM 1:13.51

34.47

39.04

Front half 34.47s · back half 39.04s

200 Backstroke LCM 2:43.53

36.72

40.56

43.53

42.72

Front half 77.28s · back half 86.25s

200 Breaststroke LCM 3:23.23 RT 0.78s

47.63

50.88

53.89

50.83

Front half 98.51s · back half 104.72s

100 Butterfly LCM 1:14.00

34.52

39.48

Front half 34.52s · back half 39.48s

200 Butterfly LCM 3:30.06

96.85

113.21

Front half 96.85s · back half 113.21s

200 Individual Medley LCM 2:50.65

36.91

43.20

51.35

39.19

Front half 80.11s · back half 90.54s

400 Individual Medley LCM 6:22.36 RT 0.71s

43.34

49.57

47.90

46.12

52.70

50.84

47.51

44.38

Front half 186.93s · back half 195.43s

Reaction time

fastest 0.57s average 0.766s slowest 1.17s 66 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 25.83 7 swims

100 Freestyle SCY 56.34 4 swims

200 Freestyle SCY 2:07.64 5 swims

500 Freestyle SCY 6:30.51 2 swims

1000 Freestyle SCY 13:21.25 1 swim

1650 Freestyle SCY 22:19.41 1 swim

50 Backstroke SCY 28.91 8 swims

100 Backstroke SCY 1:02.33 9 swims

200 Backstroke SCY 2:23.02 4 swims

50 Breaststroke SCY 35.50 3 swims

100 Breaststroke SCY 1:17.05 5 swims

200 Breaststroke SCY 2:49.28 4 swims

50 Butterfly SCY 29.53 4 swims

100 Butterfly SCY 1:06.76 5 swims

200 Butterfly SCY 2:55.50 1 swim

100 Individual Medley SCY 1:09.56 1 swim

200 Individual Medley SCY 2:23.57 4 swims

400 Individual Medley SCY 5:44.10 1 swim

50 Freestyle LCM 29.48 5 swims

100 Freestyle LCM 1:05.56 6 swims

200 Freestyle LCM 2:27.57 5 swims

400 Freestyle LCM 5:49.71 2 swims

800 Freestyle LCM 11:58.64 2 swims

1500 Freestyle LCM 22:59.77 1 swim

50 Backstroke LCM 33.60 6 swims

100 Backstroke LCM 1:13.51 10 swims

200 Backstroke LCM 2:43.53 5 swims

50 Breaststroke LCM 39.95 4 swims

100 Breaststroke LCM 1:31.95 6 swims

200 Breaststroke LCM 3:23.23 2 swims

50 Butterfly LCM 32.69 5 swims

100 Butterfly LCM 1:14.00 4 swims

200 Butterfly LCM 3:30.06 1 swim

200 Individual Medley LCM 2:50.65 4 swims

400 Individual Medley LCM 6:22.36 1 swim