Grey Duncan

Mage 18NCSEVAMOR

102 plausible swims · 14 meets · 2023-06-16 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.32	A+0.63s to AA	2026-03-27	2026 TAC TITANS Tarheel States Meet venue
100 Freestyle	SCY	50.50	A+0.61s to AA	2026-03-28	2026 TAC TITANS Tarheel States Meet venue
200 Freestyle	SCY	1:48.29	AA+2.90s to AAA	2026-03-26	2026 TAC TITANS Tarheel States Meet venue
500 Freestyle	SCY	4:58.09	AA+11.40s to AAA	2026-02-21	2026 NCS SC SR Champs venue
1000 Freestyle	SCY	10:16.66	AA+14.37s to AAA	2026-02-19	2026 NCS SC SR Champs venue
1650 Freestyle	SCY	17:29.67	A+0.28s to AA	2025-12-07	ATOM Winter Invite 2025 venue
100 Backstroke	SCY	57.78	BB+1.59s to A	2026-01-17	2026 RSA Winter Tri venue
200 Backstroke	SCY	2:05.22	BB+1.43s to A	2026-03-28	2026 TAC TITANS Tarheel States Meet venue
100 Breaststroke	SCY	1:05.14	BB+0.95s to A	2026-03-25	2026 TAC TITANS Tarheel States Meet venue
200 Breaststroke	SCY	2:29.17	BB+9.58s to A	2025-10-26	2025 MOR Kick Off venue
100 Butterfly	SCY	53.74	AA+2.15s to AAA	2026-03-25	2026 TAC TITANS Tarheel States Meet venue
200 Butterfly	SCY	1:58.78	AA+2.89s to AAA	2026-03-27	2026 TAC TITANS Tarheel States Meet venue
200 Individual Medley	SCY	2:02.10	A+0.61s to AA	2025-12-05	ATOM Winter Invite 2025 venue
400 Individual Medley	SCY	4:23.57	A+1.38s to AA	2026-01-16	2026 RSA Winter Tri venue
50 Freestyle	LCM	26.96	A+0.67s to AA	2026-06-21	2026 Tennessee Aquatics June Invitational venue
100 Freestyle	LCM	58.35	A+0.66s to AA	2026-06-19	2026 Tennessee Aquatics June Invitational venue
200 Freestyle	LCM	2:06.39	A+0.20s to AA	2025-07-11	2025 NC LC SR Championships venue
400 Freestyle	LCM	4:27.72	AA+10.43s to AAA	2025-07-12	2025 NC LC SR Championships venue
800 Freestyle	LCM	9:20.82	AA+22.03s to AAA	2025-07-10	2025 NC LC SR Championships venue
1500 Freestyle	LCM	17:52.86	AA+41.87s to AAA	2025-07-13	2025 NC LC SR Championships venue
100 Backstroke	LCM	1:08.82	BB+1.83s to A	2025-07-27	2025 NCAC Summer Tar Heel States venue
200 Backstroke	LCM	2:33.47	BB+7.58s to A	2026-06-20	2026 Tennessee Aquatics June Invitational venue
100 Breaststroke	LCM	1:19.84	BB+5.15s to A	2025-07-26	2025 NCAC Summer Tar Heel States venue
100 Butterfly	LCM	1:02.49	A+0.90s to AA	2026-06-19	2026 Tennessee Aquatics June Invitational venue
200 Butterfly	LCM	2:18.95	A+1.06s to AA	2025-07-26	2025 NCAC Summer Tar Heel States venue
200 Individual Medley	LCM	2:24.70	A+2.81s to AA	2025-07-25	2025 NCAC Summer Tar Heel States venue
400 Individual Medley	LCM	5:09.25	A+4.46s to AA	2025-06-28	2025 MOR Long Course Qualifier venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

IMX / IMR

IMX 17-18 · SCY

4212 points (6/6 events)

Event	Time	Points
500 FR SCY	4:58.09	763
200 BK SCY	2:05.22	639
200 BR SCY	2:29.17	542
200 FL SCY	1:58.78	789
200 IM SCY	2:02.10	743
400 IM SCY	4:23.57	736

IMR 17-18 · SCY

3536 points (5/5 events)

Event	Time	Points
200 FR SCY	1:48.29	791
100 BK SCY	57.78	605
100 BR SCY	1:05.14	635
100 FL SCY	53.74	762
200 IM SCY	2:02.10	743

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

PR splits

100 Freestyle SCY 50.50

24.47

26.03

Front half 24.47s · back half 26.03s

200 Freestyle SCY 1:48.29

24.94

27.40

27.85

28.10

Front half 52.34s · back half 55.95s

500 Freestyle SCY 4:58.09

27.30

29.76

29.80

30.11

30.44

30.33

30.25

30.55

30.42

29.13

Front half 147.41s · back half 150.68s

1000 Freestyle SCY 10:16.66

27.07

29.86

30.34

30.39

30.88

31.10

31.00

31.05

31.43

31.22

31.20

31.39

31.44

31.63

31.28

31.49

31.37

31.49

30.15

Front half 304.00s · back half 312.66s

1650 Freestyle SCY 17:29.67

59.22

31.48

31.73

191.03

96.04

96.24

32.05

31.32

64.39

128.55

31.71

31.85

65.20

64.33

32.48

31.63

30.42

100 Backstroke SCY 57.78

27.84

29.94

Front half 27.84s · back half 29.94s

200 Backstroke SCY 2:05.22

29.28

31.73

32.02

32.19

Front half 61.01s · back half 64.21s

100 Breaststroke SCY 1:05.14

30.31

34.83

Front half 30.31s · back half 34.83s

200 Breaststroke SCY 2:29.17

34.53

37.24

38.89

38.51

Front half 71.77s · back half 77.40s

100 Butterfly SCY 53.74

25.26

28.48

Front half 25.26s · back half 28.48s

200 Butterfly SCY 1:58.78

26.05

29.56

30.93

32.24

Front half 55.61s · back half 63.17s

200 Individual Medley SCY 2:02.10

25.64

31.87

36.18

28.41

Front half 57.51s · back half 64.59s

200 Freestyle LCM 2:06.39

29.64

31.46

32.53

32.76

Front half 61.10s · back half 65.29s

400 Freestyle LCM 4:27.72

30.63

34.14

33.25

34.41

34.21

34.59

33.41

33.08

Front half 132.43s · back half 135.29s

800 Freestyle LCM 9:20.82

30.62

33.91

34.07

34.66

35.11

35.15

35.50

35.57

35.62

35.85

35.75

36.00

36.17

36.12

35.96

34.76

Front half 274.59s · back half 286.23s

1500 Freestyle LCM 17:52.86

31.94

35.13

31.02

40.51

31.00

39.64

35.75

35.47

29.94

41.24

32.55

39.75

32.32

39.51

36.15

35.92

33.25

39.05

36.46

35.84

36.19

36.29

31.98

40.71

36.22

36.20

35.93

35.82

34.86

Front half 531.92s · back half 540.94s

200 Backstroke LCM 2:33.47

74.03

79.44

Front half 74.03s · back half 79.44s

200 Butterfly LCM 2:18.95

16.00

122.95

Front half 16.00s · back half 122.95s

200 Individual Medley LCM 2:24.70

67.43

77.27

Front half 67.43s · back half 77.27s

400 Individual Medley LCM 5:09.25

32.08

36.16

40.15

39.50

47.66

46.05

34.29

33.36

Front half 147.89s · back half 161.36s

Reaction time

fastest 0.58s average 0.828s slowest 1.75s 13 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 23.32 3 swims

100 Freestyle SCY 50.50 6 swims

200 Freestyle SCY 1:48.29 7 swims

500 Freestyle SCY 4:58.09 5 swims

1000 Freestyle SCY 10:16.66 2 swims

1650 Freestyle SCY 17:29.67 2 swims

100 Backstroke SCY 57.78 4 swims

200 Backstroke SCY 2:05.22 4 swims

100 Breaststroke SCY 1:05.14 1 swim

200 Breaststroke SCY 2:29.17 1 swim

100 Butterfly SCY 53.74 6 swims

200 Butterfly SCY 1:58.78 9 swims

200 Individual Medley SCY 2:02.10 5 swims

400 Individual Medley SCY 4:23.57 5 swims

50 Freestyle LCM 26.96 4 swims

100 Freestyle LCM 58.35 4 swims

200 Freestyle LCM 2:06.39 6 swims

400 Freestyle LCM 4:27.72 3 swims

800 Freestyle LCM 9:20.82 1 swim

1500 Freestyle LCM 17:52.86 2 swims

100 Backstroke LCM 1:08.82 4 swims

200 Backstroke LCM 2:33.47 1 swim

100 Breaststroke LCM 1:19.84 1 swim

100 Butterfly LCM 1:02.49 5 swims

200 Butterfly LCM 2:18.95 4 swims

200 Individual Medley LCM 2:24.70 5 swims

400 Individual Medley LCM 5:09.25 2 swims