Nathan Corsini

Mage 14MDPVASC

305 plausible swims · 61 meets · 2021-10-23 → 2026-06-06

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.79	A+0.20s to AA	2025-12-06	2025 Sport Fair Winter Classic venue
100 Freestyle	SCY	54.61	A+1.12s to AA	2026-01-18	2026 RAC Classic venue
200 Freestyle	SCY	1:56.66	AA+4.67s to AAA	2026-03-06	2026 MD LSC 14 & U Championships venue
500 Freestyle	SCY	5:19.11	A+2.02s to AA	2025-10-03	2025 ASC All Freestyle Meet
1000 Freestyle	SCY	10:56.62	AA+26.83s to AAA	2025-12-04	2025 Sport Fair Winter Classic venue
1650 Freestyle	SCY	19:12.99	BB+1.60s to A	2026-01-03	2026 ASC IMX Challenge venue
50 Backstroke	SCY	27.90	A+0.21s to AA	2026-03-06	2026 MD LSC 14 & U Championships venue
100 Backstroke	SCY	1:04.04	BB+2.85s to A	2026-01-18	2026 RAC Classic venue
200 Backstroke	SCY	2:14.33	BB+1.34s to A	2025-10-18	2025 NBAC Fall Fastival Meet fast pool
50 Breaststroke	SCY	31.02	AA+0.73s to AAA	2026-03-08	2026 MD LSC 14 & U Championships venue
100 Breaststroke	SCY	1:11.36	BB+2.27s to A	2025-11-08	2025 Marlins Invitational venue
200 Breaststroke	SCY	2:32.36	BB+2.07s to A	2025-10-19	2025 NBAC Fall Fastival Meet fast pool
50 Butterfly	SCY	25.24	AAA+0.35s to AAAA	2026-03-07	2026 MD LSC 14 & U Championships venue
100 Butterfly	SCY	55.23	AAA+2.34s to AAAA	2026-03-06	2026 MD LSC 14 & U Championships venue
200 Butterfly	SCY	2:01.34	AAA+3.65s to AAAA	2026-03-08	2026 MD LSC 14 & U Championships venue
100 Individual Medley	SCY	1:01.84		2026-01-17	2026 RAC Classic venue
200 Individual Medley	SCY	2:09.72	AA+5.63s to AAA	2026-03-07	2026 MD LSC 14 & U Championships venue
400 Individual Medley	SCY	4:39.79	A+2.40s to AA	2025-10-17	2025 NBAC Fall Fastival Meet fast pool
50 Freestyle	LCM	28.31	A+0.12s to AA	2026-05-09	2026 NBAC Spring LC Invitational Meet venue
100 Freestyle	LCM	1:02.24	A+0.55s to AA	2025-06-22	2025 ASC Independence Meet fast pool
200 Freestyle	LCM	2:14.27	AA+5.38s to AAA	2026-06-06	2026 Ray Benecki LC Invitational - copied venue
400 Freestyle	LCM	4:37.73	AA+2.74s to AAA	2026-05-10	2026 NBAC Spring LC Invitational Meet venue
800 Freestyle	LCM	9:57.71	A+2.22s to AA	2026-04-24	2026 ASC Spring Long Course Meet venue
50 Backstroke	LCM	34.38	BB+0.49s to A	2024-08-02	2024 MD LSC LC Championships venue
100 Backstroke	LCM	1:13.55	BB+1.86s to A	2026-04-26	2026 ASC Spring Long Course Meet venue
200 Backstroke	LCM	2:35.33	A+5.84s to AA	2026-05-09	2026 NBAC Spring LC Invitational Meet venue
50 Breaststroke	LCM	37.48	A+1.19s to AA	2025-06-21	2025 ASC Independence Meet fast pool
100 Breaststroke	LCM	1:19.12	A+1.93s to AA	2026-05-09	2026 NBAC Spring LC Invitational Meet venue
200 Breaststroke	LCM	3:00.97	BB+6.18s to A	2026-05-10	2026 NBAC Spring LC Invitational Meet venue
50 Butterfly	LCM	29.05	AAA+1.06s to AAAA	2026-04-26	2026 ASC Spring Long Course Meet venue
100 Butterfly	LCM	1:03.29	AA+0.20s to AAA	2026-04-26	2026 ASC Spring Long Course Meet venue
200 Butterfly	LCM	2:24.15	AA+2.66s to AAA	2026-04-25	2026 ASC Spring Long Course Meet venue
200 Individual Medley	LCM	2:26.72	AA+2.93s to AAA	2026-05-10	2026 NBAC Spring LC Invitational Meet venue
400 Individual Medley	LCM	5:26.26	A+4.77s to AA	2026-06-06	2026 Ray Benecki LC Invitational - copied venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.

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	23.81	flying	200 Free Relay (leg 2)	2026-03-06	2026 MD LSC 14 & U Championships
100 Freestyle	SCY	53.52	flying	400 Free Relay (leg 2)	2026-03-08	2026 MD LSC 14 & U Championships
200 Freestyle	SCY	2:10.38	flat	800 Free Relay	2025-12-04	2025 Sport Fair Winter Classic
200 Freestyle	SCY	1:57.06	flying	800 Free Relay (leg 2)	2026-03-05	2026 MD LSC 14 & U Championships
50 Butterfly	SCY	25.42	flying	200 Medley Relay (leg 3)	2026-03-05	2026 MD LSC 14 & U Championships
100 Butterfly	SCY	55.90	flying	400 Medley Relay (leg 3)	2026-03-07	2026 MD LSC 14 & U Championships
50 Freestyle	LCM	32.77	flying	200 Free Relay (leg 4)	2024-07-06	2024 Sandbox Invitational
50 Freestyle	LCM	32.81	flying	200 Medley Relay (leg 4)	2024-07-06	2024 Sandbox Invitational
100 Freestyle	LCM	1:01.96	flying	400 Free Relay (leg 2)	2025-07-31	2025 MD LSC LC Championships
100 Butterfly	LCM	1:07.87	flying	400 Medley Relay (leg 3)	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 · LCM

4458 points (6/6 events)

Event	Time	Points
400 FR LCM	4:37.73	832
200 BK LCM	2:35.33	675
200 BR LCM	3:00.97	593
200 FL LCM	2:24.15	817
200 IM LCM	2:26.72	817
400 IM LCM	5:26.26	724

IMR 13-14 · LCM

3772 points (5/5 events)

Event	Time	Points
200 FR LCM	2:14.27	768
100 BK LCM	1:13.55	622
100 BR LCM	1:19.12	701
100 FL LCM	1:03.29	864
200 IM LCM	2:26.72	817

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

PR splits

100 Freestyle SCY 54.61

26.29

28.32

Front half 26.29s · back half 28.32s

200 Freestyle SCY 1:56.66

27.22

29.57

30.29

29.58

Front half 56.79s · back half 59.87s

1000 Freestyle SCY 10:56.62

27.94

30.71

32.03

32.17

32.91

32.71

32.77

32.59

33.18

33.49

33.52

33.65

33.73

34.09

34.37

33.61

33.59

34.03

33.61

31.92

Front half 320.50s · back half 336.12s

1650 Freestyle SCY 19:12.99

30.22

32.81

33.50

33.84

33.34

34.53

34.60

35.07

34.70

34.66

34.95

35.03

35.22

35.46

35.70

35.88

35.76

35.66

36.36

35.62

35.11

35.14

35.71

35.85

35.86

36.45

35.47

36.06

36.71

34.82

35.37

36.09

31.44

100 Backstroke SCY 1:04.04

31.13

32.91

Front half 31.13s · back half 32.91s

200 Backstroke SCY 2:14.33

32.20

34.50

34.35

33.28

Front half 66.70s · back half 67.63s

100 Breaststroke SCY 1:11.36

34.40

36.96

Front half 34.40s · back half 36.96s

200 Breaststroke SCY 2:32.36

34.07

38.93

79.36

100 Butterfly SCY 55.23

26.00

29.23

Front half 26.00s · back half 29.23s

200 Butterfly SCY 2:01.34

26.45

30.70

31.72

32.47

Front half 57.15s · back half 64.19s

100 Individual Medley SCY 1:01.84

28.76

33.08

Front half 28.76s · back half 33.08s

200 Individual Medley SCY 2:09.72

26.84

33.52

39.11

30.25

Front half 60.36s · back half 69.36s

400 Individual Medley SCY 4:39.79

28.42

33.00

36.61

36.23

41.52

40.82

32.48

30.71

Front half 134.26s · back half 145.53s

100 Freestyle LCM 1:02.24

30.58

31.66

Front half 30.58s · back half 31.66s

200 Freestyle LCM 2:14.27

65.69

68.58

Front half 65.69s · back half 68.58s

400 Freestyle LCM 4:37.73

31.85

34.84

35.78

35.34

35.90

35.63

35.21

33.18

Front half 137.81s · back half 139.92s

800 Freestyle LCM 9:57.71

33.10

36.95

37.58

37.89

37.63

38.05

37.92

38.42

38.05

38.25

37.87

38.02

37.52

37.98

37.13

35.35

Front half 297.54s · back half 300.17s

100 Backstroke LCM 1:13.55

36.78

36.77

Front half 36.78s · back half 36.77s

200 Backstroke LCM 2:35.33

37.20

39.70

40.19

38.24

Front half 76.90s · back half 78.43s

100 Breaststroke LCM 1:19.12

36.94

42.18

Front half 36.94s · back half 42.18s

200 Breaststroke LCM 3:00.97

40.83

46.47

47.58

46.09

Front half 87.30s · back half 93.67s

100 Butterfly LCM 1:03.29

30.48

32.81

Front half 30.48s · back half 32.81s

200 Butterfly LCM 2:24.15

31.46

35.59

38.79

38.31

Front half 67.05s · back half 77.10s

200 Individual Medley LCM 2:26.72

29.51

39.09

44.33

33.79

Front half 68.60s · back half 78.12s

400 Individual Medley LCM 5:26.26

69.09

85.72

97.29

74.16

Front half 154.81s · back half 171.45s

Reaction time

fastest 0.81s average 0.810s slowest 0.81s 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 24.79 22 swims

100 Freestyle SCY 54.61 21 swims

200 Freestyle SCY 1:56.66 9 swims

500 Freestyle SCY 5:19.11 7 swims

1000 Freestyle SCY 10:56.62 4 swims

1650 Freestyle SCY 19:12.99 2 swims

50 Backstroke SCY 27.90 16 swims

100 Backstroke SCY 1:04.04 16 swims

200 Backstroke SCY 2:14.33 4 swims

50 Breaststroke SCY 31.02 17 swims

100 Breaststroke SCY 1:11.36 12 swims

200 Breaststroke SCY 2:32.36 5 swims

50 Butterfly SCY 25.24 17 swims

100 Butterfly SCY 55.23 11 swims

200 Butterfly SCY 2:01.34 7 swims

100 Individual Medley SCY 1:01.84 14 swims

200 Individual Medley SCY 2:09.72 14 swims

400 Individual Medley SCY 4:39.79 3 swims

50 Freestyle LCM 28.31 9 swims

100 Freestyle LCM 1:02.24 9 swims

200 Freestyle LCM 2:14.27 10 swims

400 Freestyle LCM 4:37.73 3 swims

800 Freestyle LCM 9:57.71 3 swims

50 Backstroke LCM 34.38 9 swims

100 Backstroke LCM 1:13.55 7 swims

200 Backstroke LCM 2:35.33 3 swims

50 Breaststroke LCM 37.48 11 swims

100 Breaststroke LCM 1:19.12 10 swims

200 Breaststroke LCM 3:00.97 2 swims

50 Butterfly LCM 29.05 7 swims

100 Butterfly LCM 1:03.29 5 swims

200 Butterfly LCM 2:24.15 5 swims

200 Individual Medley LCM 2:26.72 10 swims

400 Individual Medley LCM 5:26.26 1 swim