Nathan Butler

Mage 18COCZMNMTMVMWOKEKC

76 plausible swims · 13 meets · 2017-12-02 → 2025-07-25

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	21.61	AAA+0.92s to AAAA	2025-03-13	Region VIII Speedo Spring Sectionals venue
100 Freestyle	SCY	48.43	AA+0.74s to AAA	2025-03-16	Region VIII Speedo Spring Sectionals venue
500 Freestyle	SCY	4:50.92	AA+4.23s to AAA	2023-03-11	2023 Region VIII Speedo Spring Sectionals venue
50 Backstroke	SCY	35.44	+4.55s to B	2017-12-03	2017 CO CSI Pioneer Open venue
100 Backstroke	SCY	52.77	AA+1.18s to AAA	2025-03-15	Region VIII Speedo Spring Sectionals venue
50 Butterfly	SCY	22.25	AAAA	2025-03-13	Region VIII Speedo Spring Sectionals venue
100 Butterfly	SCY	50.08	AAA+0.89s to AAAA	2025-03-14	Region VIII Speedo Spring Sectionals venue
200 Butterfly	SCY	1:51.73	AAA+1.04s to AAAA	2025-03-15	Region VIII Speedo Spring Sectionals venue
100 Individual Medley	SCY	1:17.74		2017-12-02	2017 CO CSI Pioneer Open venue
200 Individual Medley	SCY	2:49.20	+21.31s to B	2017-12-03	2017 CO CSI Pioneer Open venue
50 Freestyle	LCM	25.66	AA+0.57s to AAA	2024-07-10	2024 MV CZ Region VIII Speedo Summer
100 Freestyle	LCM	54.95	AAA+2.26s to AAAA	2025-07-23	2025 TYR FUTURES MADISON
200 Freestyle	LCM	2:04.15	AA+3.46s to AAA	2023-07-28	2023 MV LCM Championships venue
400 Freestyle	LCM	4:32.09	A+3.10s to AA	2023-07-29	2023 MV LCM Championships venue
800 Freestyle	LCM	9:11.30	AA+12.51s to AAA	2023-07-27	2023 MV LCM Championships venue
50 Butterfly	LCM	26.11	AAA+0.02s to AAAA	2025-07-24	2025 TYR FUTURES MADISON venue
100 Butterfly	LCM	56.74	AAA+0.45s to AAAA	2025-07-25	2025 TYR FUTURES MADISON venue
200 Butterfly	LCM	2:07.33	AAA+1.44s to AAAA	2025-07-23	2025 TYR FUTURES MADISON venue
200 Individual Medley	LCM	2:18.27	AA+2.58s to AAA	2024-06-21	2024 MN AQJT Aquajets Summer Spectacular venue
400 Individual Medley	LCM	4:54.04	AA+2.55s to AAA	2024-07-10	2024 MV CZ Region VIII Speedo Summer

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

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	LCM	24.34	flying	200 Free Relay (leg 2)	2024-07-11	Region VIII Speedo Summer Sectionals
50 Freestyle	LCM	24.59	flying	200 Medley Relay (leg 4)	2024-07-11	Region VIII Speedo Summer Sectionals
100 Freestyle	LCM	54.64	flat	400 Free Relay	2025-07-25	2025 TYR FUTURES MADISON
100 Freestyle	LCM	54.25	flying	400 Free Relay (leg 4)	2024-07-12	Region VIII Speedo Summer Sectionals
200 Freestyle	LCM	2:03.47	flying	800 Free Relay (leg 4)	2023-07-27	2023 MV LCM Championships
50 Butterfly	LCM	26.03	flying	200 Medley Relay (leg 3)	2025-07-23	2025 TYR FUTURES MADISON

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 17-18 · LCM

3316 points (4/6 events — incomplete)

Event	Time	Points
400 FR LCM	4:32.09	729
200 FL LCM	2:07.33	952
200 IM LCM	2:18.27	811
400 IM LCM	4:54.04	824
200 BK LCM	—	0
200 BR LCM	—	0

IMR 17-18 · LCM

2559 points (3/5 events — incomplete)

Event	Time	Points
200 FR LCM	2:04.15	788
100 FL LCM	56.74	960
200 IM LCM	2:18.27	811
100 BK LCM	—	0
100 BR LCM	—	0

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

PR splits

100 Freestyle SCY 48.43 RT 0.74s

23.05

25.38

Front half 23.05s · back half 25.38s

500 Freestyle SCY 4:50.92 RT 0.77s

25.40

28.48

28.98

29.70

29.79

30.00

29.98

30.06

30.27

28.26

Front half 142.35s · back half 148.57s

100 Backstroke SCY 52.77

25.37

27.40

Front half 25.37s · back half 27.40s

100 Butterfly SCY 50.08

23.10

26.98

Front half 23.10s · back half 26.98s

200 Butterfly SCY 1:51.73 RT 0.73s

24.51

28.22

29.51

29.49

Front half 52.73s · back half 59.00s

100 Individual Medley SCY 1:17.74

34.37

43.37

Front half 34.37s · back half 43.37s

200 Individual Medley SCY 2:49.20

35.49

42.95

54.58

36.18

Front half 78.44s · back half 90.76s

100 Freestyle LCM 54.95 split/total mismatch

26.36

2.23

Front half 26.36s · back half 28.59s

200 Freestyle LCM 2:04.15

28.38

31.97

32.55

31.25

Front half 60.35s · back half 63.80s

400 Freestyle LCM 4:32.09

29.86

33.56

34.88

35.06

34.55

35.16

35.18

33.84

Front half 133.36s · back half 138.73s

800 Freestyle LCM 9:11.30

63.22

68.93

69.35

69.84

70.37

70.66

70.60

68.33

Front half 271.34s · back half 279.96s

100 Butterfly LCM 56.74

26.65

30.09

Front half 26.65s · back half 30.09s

200 Butterfly LCM 2:07.33

28.59

31.19

33.52

34.03

Front half 59.78s · back half 67.55s

200 Individual Medley LCM 2:18.27

28.20

35.85

41.50

32.72

Front half 64.05s · back half 74.22s

Reaction time

fastest 0.65s average 0.735s slowest 0.78s 25 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 21.61 1 swim

100 Freestyle SCY 48.43 2 swims

500 Freestyle SCY 4:50.92 2 swims

50 Backstroke SCY 35.44 1 swim

100 Backstroke SCY 52.77 2 swims

50 Butterfly SCY 22.25 3 swims

100 Butterfly SCY 50.08 5 swims

200 Butterfly SCY 1:51.73 4 swims

100 Individual Medley SCY 1:17.74 1 swim

200 Individual Medley SCY 2:49.20 1 swim

50 Freestyle LCM 25.66 4 swims

100 Freestyle LCM 54.95 6 swims

200 Freestyle LCM 2:04.15 3 swims

400 Freestyle LCM 4:32.09 1 swim

800 Freestyle LCM 9:11.30 1 swim

50 Butterfly LCM 26.11 5 swims

100 Butterfly LCM 56.74 13 swims

200 Butterfly LCM 2:07.33 13 swims

200 Individual Medley LCM 2:18.27 2 swims

400 Individual Medley LCM 4:54.04 6 swims