Nathan Yoon

Mage 16CCFLSEGPACSMST

281 plausible swims · 44 meets · 2023-01-01 → 2026-06-28

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.30	A+0.91s to AA	2025-11-22	2025 GPAC Gravy Bowl Invitational venue
100 Freestyle	SCY	51.76	A+0.47s to AA	2026-02-01	2026 Mac Crutchfield Invitational venue
200 Freestyle	SCY	1:54.10	A+2.11s to AA	2025-09-20	2025 Tropic Like It's Hot Open slow pool
500 Freestyle	SCY	5:07.16	A+2.87s to AA	2025-02-28	2025 SES Region 4 Championships venue
1000 Freestyle	SCY	10:39.40	A+5.41s to AA	2025-01-17	2025 GPAC Winter Invitational venue
1650 Freestyle	SCY	18:07.52	A+30.63s to AA	2025-11-23	2025 GPAC Gravy Bowl Invitational venue
100 Backstroke	SCY	1:03.40	B+0.51s to BB	2026-01-18	2026 GPAC Winter Invitational venue
200 Backstroke	SCY	2:20.86	B+2.97s to BB	2025-12-07	2025 SE Christmas in Auburn venue
50 Breaststroke	SCY	29.15	AA+0.26s to AAA	2026-03-01	2026 SE Southeastern Winter SC Championships venue
100 Breaststroke	SCY	1:02.55	AA+2.06s to AAA	2026-02-27	2026 SE Southeastern Winter SC Championships venue
200 Breaststroke	SCY	2:14.11	AA+2.82s to AAA	2025-11-22	2025 GPAC Gravy Bowl Invitational venue
100 Butterfly	SCY	56.93	A+1.64s to AA	2025-12-07	2025 SE Christmas in Auburn venue
200 Butterfly	SCY	2:04.87	A+1.08s to AA	2025-12-06	2025 SE Christmas in Auburn venue
100 Individual Medley	SCY	58.77		2026-01-16	2026 GPAC Winter Invitational
200 Individual Medley	SCY	2:04.53	A+0.24s to AA	2025-11-22	2025 GPAC Gravy Bowl Invitational venue
400 Individual Medley	SCY	4:33.65	A+7.56s to AA	2025-11-21	2025 GPAC Gravy Bowl Invitational venue
50 Freestyle	LCM	27.68	A+0.59s to AA	2026-01-01	2026 cmsa first chance lc meet results
100 Freestyle	LCM	59.95	A+0.96s to AA	2025-05-17	2025 FAST May Invite venue
200 Freestyle	LCM	2:11.95	A+2.76s to AA	2025-05-18	2025 FAST May Invite venue
400 Freestyle	LCM	4:37.20	A+1.51s to AA	2025-06-28	ATAC Long Course venue
800 Freestyle	LCM	9:44.52	A+13.23s to AA	2026-05-03	2026 GPAC Flip Flop Invitational venue
1500 Freestyle	LCM	20:07.63	BB+60.44s to A	2025-05-03	2025 GPAC Flip Flop Invitational venue
100 Backstroke	LCM	1:15.91	B+2.12s to BB	2026-04-11	2026 GPAC LCM Time Trials venue
200 Backstroke	LCM	2:37.08	BB+9.39s to A	2026-05-02	2026 GPAC Flip Flop Invitational venue
50 Breaststroke	LCM	34.33	AA+1.44s to AAA	2026-06-28	2026 TYR GO Challenge venue
100 Breaststroke	LCM	1:12.48	AA+1.89s to AAA	2026-06-26	2026 TYR GO Challenge venue
200 Breaststroke	LCM	2:37.97	AA+4.48s to AAA	2026-06-27	2026 TYR GO Challenge venue
50 Butterfly	LCM	29.90	A+0.41s to AA	2026-05-17	2026 FAST May Invite fast pool
100 Butterfly	LCM	1:04.12	A+0.93s to AA	2026-05-16	2026 FAST May Invite fast pool
200 Butterfly	LCM	2:26.33	A+4.74s to AA	2026-06-28	2026 TYR GO Challenge venue
200 Individual Medley	LCM	2:25.07	A+0.08s to AA	2026-05-16	2026 FAST May Invite fast pool
400 Individual Medley	LCM	5:08.97	AA+13.38s to AAA	2026-05-17	2026 FAST May Invite fast pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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
100 Freestyle	SCY	52.85	flying	400 Free Relay (leg 3)	2026-02-27	2026 SE Southeastern Winter SC Championships
50 Breaststroke	SCY	28.83	flying	200 Medley Relay (leg 2)	2026-02-28	2026 SE Southeastern Winter SC Championships
100 Breaststroke	SCY	1:01.11	flying	400 Medley Relay (leg 2)	2026-02-28	2026 SE Southeastern Winter SC 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 15-16 · LCM

4268 points (6/6 events)

Event	Time	Points
400 FR LCM	4:37.20	738
200 BK LCM	2:37.08	556
200 BR LCM	2:37.97	787
200 FL LCM	2:26.33	681
200 IM LCM	2:25.07	754
400 IM LCM	5:08.97	752

IMR 15-16 · LCM

3457 points (5/5 events)

Event	Time	Points
200 FR LCM	2:11.95	705
100 BK LCM	1:15.91	481
100 BR LCM	1:12.48	793
100 FL LCM	1:04.12	724
200 IM LCM	2:25.07	754

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

PR splits

100 Freestyle SCY 51.76

25.09

26.67

Front half 25.09s · back half 26.67s

200 Freestyle SCY 1:54.10

26.70

29.09

29.61

28.70

Front half 55.79s · back half 58.31s

500 Freestyle SCY 5:07.16

28.07

30.49

30.90

30.87

31.15

31.18

31.34

31.67

31.61

29.88

Front half 151.48s · back half 155.68s

1000 Freestyle SCY 10:39.40

27.84

30.97

31.60

32.06

32.55

32.44

32.79

32.58

32.98

32.13

32.27

32.67

32.89

32.55

32.23

32.18

31.93

32.12

31.76

30.86

Front half 317.94s · back half 321.46s

1650 Freestyle SCY 18:07.52

29.11

31.47

32.41

32.73

33.04

33.22

33.90

34.34

34.20

33.32

33.54

33.77

33.36

33.18

33.03

33.13

33.06

32.79

33.11

33.05

33.23

32.68

33.31

33.58

33.08

33.52

33.30

32.90

32.64

33.23

33.46

31.52

31.31

100 Backstroke SCY 1:03.40

30.60

32.80

Front half 30.60s · back half 32.80s

200 Backstroke SCY 2:20.86

33.71

36.05

35.71

35.39

Front half 69.76s · back half 71.10s

100 Breaststroke SCY 1:02.55

29.59

32.96

Front half 29.59s · back half 32.96s

200 Breaststroke SCY 2:14.11

30.85

33.90

34.76

34.60

Front half 64.75s · back half 69.36s

100 Butterfly SCY 56.93

26.80

30.13

Front half 26.80s · back half 30.13s

200 Butterfly SCY 2:04.87

28.04

31.65

32.54

32.64

Front half 59.69s · back half 65.18s

200 Individual Medley SCY 2:04.53

26.86

33.98

34.52

29.17

Front half 60.84s · back half 63.69s

400 Individual Medley SCY 4:33.65

27.63

31.61

35.73

35.17

37.42

37.45

34.53

34.11

Front half 130.14s · back half 143.51s

100 Freestyle LCM 59.95

29.18

30.77

Front half 29.18s · back half 30.77s

200 Freestyle LCM 2:11.95

31.01

34.16

33.78

33.00

Front half 65.17s · back half 66.78s

400 Freestyle LCM 4:37.20

67.85

71.02

70.51

67.82

Front half 138.87s · back half 138.33s

800 Freestyle LCM 9:44.52

32.51

36.70

37.73

37.80

37.50

37.47

37.87

37.89

36.41

36.34

37.30

37.43

35.94

36.65

35.24

33.74

Front half 295.47s · back half 289.05s

1500 Freestyle LCM 20:07.63

22.64

38.19

37.89

38.64

39.03

40.91

43.37

41.67

41.21

42.12

43.22

41.90

42.14

42.45

19.73

21.97

43.32

44.22

39.97

37.45

38.36

40.03

39.52

39.78

39.17

40.85

40.31

40.59

126.98

100 Backstroke LCM 1:15.91

36.07

39.84

Front half 36.07s · back half 39.84s

200 Backstroke LCM 2:37.08

37.84

40.17

40.60

38.47

Front half 78.01s · back half 79.07s

100 Breaststroke LCM 1:12.48

34.73

37.75

Front half 34.73s · back half 37.75s

200 Breaststroke LCM 2:37.97

36.86

40.21

40.73

40.17

Front half 77.07s · back half 80.90s

100 Butterfly LCM 1:04.12

30.13

33.99

Front half 30.13s · back half 33.99s

200 Butterfly LCM 2:26.33

69.11

77.22

Front half 69.11s · back half 77.22s

200 Individual Medley LCM 2:25.07

30.22

38.56

41.31

34.98

Front half 68.78s · back half 76.29s

400 Individual Medley LCM 5:08.97

30.57

35.01

43.00

41.87

43.54

42.95

37.11

34.92

Front half 150.45s · back half 158.52s

Reaction time

fastest 0.75s average 0.823s slowest 0.89s 8 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 24.30 3 swims

100 Freestyle SCY 51.76 17 swims

200 Freestyle SCY 1:54.10 12 swims

500 Freestyle SCY 5:07.16 5 swims

1000 Freestyle SCY 10:39.40 3 swims

1650 Freestyle SCY 18:07.52 4 swims

100 Backstroke SCY 1:03.40 8 swims

200 Backstroke SCY 2:20.86 4 swims

50 Breaststroke SCY 29.15 4 swims

100 Breaststroke SCY 1:02.55 22 swims

200 Breaststroke SCY 2:14.11 21 swims

100 Butterfly SCY 56.93 16 swims

200 Butterfly SCY 2:04.87 14 swims

100 Individual Medley SCY 58.77 3 swims

200 Individual Medley SCY 2:04.53 16 swims

400 Individual Medley SCY 4:33.65 6 swims

50 Freestyle LCM 27.68 7 swims

100 Freestyle LCM 59.95 9 swims

200 Freestyle LCM 2:11.95 8 swims

400 Freestyle LCM 4:37.20 6 swims

800 Freestyle LCM 9:44.52 1 swim

1500 Freestyle LCM 20:07.63 2 swims

100 Backstroke LCM 1:15.91 3 swims

200 Backstroke LCM 2:37.08 4 swims

50 Breaststroke LCM 34.33 5 swims

100 Breaststroke LCM 1:12.48 19 swims

200 Breaststroke LCM 2:37.97 19 swims

50 Butterfly LCM 29.90 4 swims

100 Butterfly LCM 1:04.12 10 swims

200 Butterfly LCM 2:26.33 9 swims

200 Individual Medley LCM 2:25.07 12 swims

400 Individual Medley LCM 5:08.97 5 swims