Myles Koff

Age: 18 years old
Age Category: 17-18
Team: North Baltimore Aquatic Club | Maryland Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

North Baltimore Aquatic Club

Maryland Swimming

Eastern Zone

USA

Free 50 Y

22.42

10/17/2025

AAA: 21.69 (+0.73s | 3.3%)

326

1,000+

Free 100 Y

46.03

02/19/2026

AAA

AAAA: 45.29 (+0.74s | 1.6%)

293

50 Free

22.35

100 Free

23.68

46.03

100 Free

46.03

Free 200 Y

1:40.98

02/19/2026

AAA

AAAA: 1:40.19 (+0.79s | 0.8%)

331

50 Free

23.50

100 Free

25.41

48.91

100 Free

48.91

150 Free

25.70

1:14.61

200 Free

26.37

1:40.98

100 Free

52.07

Free 500 Y

4:40.26

11/14/2025

AAA

AAAA: 4:32.39 (+7.87s | 2.8%)

426

50 Free

25.03

100 Free

27.13

52.16

100 Free

52.16

150 Free

28.07

1:20.23

200 Free

28.40

1:48.63

100 Free

56.47

250 Free

29.11

2:17.74

300 Free

28.79

2:46.53

100 Free

57.90

350 Free

27.89

3:14.42

400 Free

28.51

3:42.93

100 Free

56.40

450 Free

28.49

4:11.42

500 Free

28.84

4:40.26

100 Free

57.33

Back 50 Y

26.02

10/17/2025

211

961

Back 100 Y

55.30

10/17/2025

AA: 53.59 (+1.71s | 3.1%)

290

1,000+

50 Back

26.67

100 Back

28.63

55.30

100 Back

55.30

Back 200 Y

1:55.85

11/14/2025

AAA: 1:53.09 (+2.76s | 2.4%)

101

523

50 Back

27.02

100 Back

29.17

56.19

100 Back

56.19

150 Back

29.85

1:26.04

200 Back

29.81

1:55.85

100 Back

59.66

Breast 50 Y

29.57

01/19/2024

263

965

Breast 100 Y

1:01.72

11/14/2025

AA: 1:01.39 (+0.33s | 0.5%)

254

1,000+

50 Breast

28.98

100 Breast

32.74

1:01.72

100 Breast

1:01.72

Breast 200 Y

2:04.31

02/19/2026

AAA

AAAA: 2:01.69 (+2.62s | 2.1%)

199

50 Breast

28.07

100 Breast

31.85

59.92

100 Breast

59.92

150 Breast

31.89

1:31.81

200 Breast

32.50

2:04.31

100 Breast

1:04.39

Fly 50 Y

24.50

10/17/2025

199

796

Fly 100 Y

50.51

02/19/2026

AAA

AAAA: 49.09 (+1.42s | 2.8%)

375

50 Fly

23.74

100 Fly

26.77

50.51

100 Fly

50.51

Fly 200 Y

1:48.56

02/19/2026

AAAA

50 Fly

24.26

100 Fly

27.58

51.84

100 Fly

51.84

150 Fly

28.07

1:19.91

200 Fly

28.65

1:48.56

100 Fly

56.72

IM 200 Y

1:49.42

02/19/2026

AAAA

50 Fly

24.06

100 Back

28.18

52.24

100 IM

52.24

150 Breast

31.34

1:23.58

200 Free

25.84

1:49.42

100 IM

57.18

IM 400 Y

3:56.51

02/19/2026

AAAA

50 Fly

25.11

100 Fly

28.22

53.33

100 Fly

53.33

150 Back

30.39

1:23.72

200 Back

31.32

1:55.04

100 Back

1:01.71

250 Breast

33.17

2:28.21

300 Breast

33.71

3:01.92

100 Breast

1:06.88

350 Free

27.44

3:29.36

400 Free

27.15

3:56.51

100 Free

54.59

Long course distance

Event	Time		Age	Date	Standard	Next Standard	North Baltimore Aquatic Club	Maryland Swimming	Eastern Zone	USA

Above are the fastest times that Myles Koff has achieved in his swimming career. For each event, you can find Myles's best time, the corresponding time standard, as well as how much faster Myles needs to be to reach the next level. The last columns provide Myles rankings at the team and LSC levels. These rankings are based on the Myles's personal best, his current age category, and team; and are calculated from all the meets results.

Time Standards

Got the currrent age group time standard
Time standard for the next age group and the gap to reach it
Got the next age group’s time standard.

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	22.42	22.19 (+0.23s \| 1.0%)	21.29 (+1.13s \| 5.0%)	21.29 (+1.13s \| 5.0%)	20.59 (+1.83s \| 8.2%)	20.09 (+2.33s \| 10.4%)	20.39 (+2.03s \| 9.1%)
Free 100 Y	46.03	48.19	46.39	46.39 45.59 (+0.44s \| 1.0%)	45.09 (+0.94s \| 2.0%)	43.49 (+2.54s \| 5.5%)	44.39 (+1.64s \| 3.6%)
Free 200 Y	1:40.98	1:45.79	1:41.59	1:41.59 1:40.29 (+0.69s \| 0.7%)	1:38.79 (+2.19s \| 2.2%)	1:36.49 (+4.49s \| 4.4%)	1:38.09 (+2.89s \| 2.9%)
Free 500 Y	4:40.26	4:47.79	4:37.09 (+3.17s \| 1.1%)	4:37.09 (+3.17s \| 1.1%)	4:29.49 (+10.77s \| 3.8%)	4:22.09 (+18.17s \| 6.5%)	4:27.69 (+12.57s \| 4.5%)
Back 50 Y	26.02	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	55.30	53.89 (+1.41s \| 2.5%)	51.49 (+3.81s \| 6.9%)	51.49 (+3.81s \| 6.9%)	49.39 (+5.91s \| 10.7%)	47.59 (+7.71s \| 13.9%)	48.89 (+6.41s \| 11.6%)
Back 200 Y	1:55.85	1:57.29	1:52.79 (+3.06s \| 2.6%)	1:52.79 (+3.06s \| 2.6%)	1:48.29 (+7.56s \| 6.5%)	1:45.49 (+10.36s \| 8.9%)	1:47.09 (+8.76s \| 7.6%)
Breast 50 Y	29.57	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:01.72	1:00.89 (+0.83s \| 1.3%)	57.99 (+3.73s \| 6.0%)	57.99 (+3.73s \| 6.0%)	55.89 (+5.83s \| 9.4%)	54.19 (+7.53s \| 12.2%)	55.29 (+6.43s \| 10.4%)
Breast 200 Y	2:04.31	2:13.29	2:07.99	2:07.99 2:05.99	2:02.29 (+2.02s \| 1.6%)	1:58.79 (+5.52s \| 4.4%)	2:00.99 (+3.32s \| 2.7%)
Fly 50 Y	24.50	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 Y	50.51	52.89	50.59	50.59 49.79 (+0.72s \| 1.4%)	48.99 (+1.52s \| 3.0%)	47.79 (+2.72s \| 5.4%)	48.39 (+2.12s \| 4.2%)
Fly 200 Y	1:48.56	1:58.89	1:53.69	1:53.69 1:52.79	1:49.59	1:45.99 (+2.57s \| 2.4%)	1:47.89 (+0.67s \| 0.6%)
IM 200 Y	1:49.42	1:58.19	1:53.89	1:53.89 1:52.29	1:50.09	1:46.39 (+3.03s \| 2.8%)	1:48.89 (+0.53s \| 0.5%)
IM 400 Y	3:56.51	4:14.69	4:06.99	4:06.99 4:05.09	3:57.59	3:48.79 (+7.72s \| 3.3%)	3:52.69 (+3.82s \| 1.6%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ

Progression

See how Myles Koff is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Myles's time to another swimmer's and even view their profile for more information about them.

Select the distance and stroke

Compare with another swimmer

View this profile

Meets

See all the meets Myles Koff has participated in and his achievement. The last event displayed is the most recent. For each event, you can find the Myles's time, the progress against Myles's best time, the corresponding time standard, as well as how much faster Myles needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 Speedo MD LSC Senior Champs

02/19/2026

St. Mary's City

200 Y IM

1:49.42

-2.02s (New PB)

AAAA

50 Fly

24.06

100 Back

28.18

52.24

100 IM

52.24

150 Breast

31.34

1:23.58

200 Free

25.84

1:49.42

100 IM

57.18

400 Y IM

3:56.51

-8.43s (New PB)

AAAA

50 Fly

25.11

100 Fly

28.22

53.33

100 Fly

53.33

150 Back

30.39

1:23.72

200 Back

31.32

1:55.04

100 Back

1:01.71

250 Breast

33.17

2:28.21

300 Breast

33.71

3:01.92

100 Breast

1:06.88

350 Free

27.44

3:29.36

400 Free

27.15

3:56.51

100 Free

54.59

200 Y Breast

2:04.31

-2.31s (New PB)

AAA

AAAA: 2:01.69 (+2.62s | 2.1%)

50 Breast

28.07

100 Breast

31.85

59.92

100 Breast

59.92

150 Breast

31.89

1:31.81

200 Breast

32.50

2:04.31

100 Breast

1:04.39

200 Y Free

1:40.98

-1.95s (New PB)

AAA

AAAA: 1:40.19 (+0.79s | 0.8%)

50 Free

23.50

100 Free

25.41

48.91

100 Free

48.91

150 Free

25.70

1:14.61

200 Free

26.37

1:40.98

100 Free

52.07

100 Y Fly

50.51

-0.86s (New PB)

AAA

AAAA: 49.09 (+1.42s | 2.8%)

50 Fly

23.74

100 Fly

26.77

50.51

100 Fly

50.51

100 Y IM

51.32

-2.92s (New PB)

50 IM

23.67

100 IM

27.65

51.32

100 IM

51.32

100 Y Free

46.03

-0.80s (New PB)

AAA

AAAA: 45.29 (+0.74s | 1.6%)

50 Free

22.35

100 Free

23.68

46.03

100 Free

46.03

200 Y Fly

1:48.56

-9.73s (New PB)

AAAA

50 Fly

24.26

100 Fly

27.58

51.84

100 Fly

51.84

150 Fly

28.07

1:19.91

200 Fly

28.65

1:48.56

100 Fly

56.72

2025 NBAC Thanksgiving Meet

11/14/2025

Baltimore

200 Y Free

1:42.93

-1.28s (New PB)

AAA

AAAA: 1:40.19 (+2.74s | 2.7%)

50 Free

23.61

100 Free

25.50

49.11

100 Free

49.11

150 Free

26.62

1:15.73

200 Free

27.20

1:42.93

100 Free

53.82

200 Y IM

1:51.44

-4.15s (New PB)

AAA

AAAA: 1:50.59 (+0.85s | 0.8%)

50 Fly

23.96

100 Back

27.39

51.35

100 IM

51.35

150 Breast

32.97

1:24.32

200 Free

27.12

1:51.44

100 IM

1:00.09

100 Y Breast

1:01.72

-1.68s (New PB)

AA: 1:01.39 (+0.33s | 0.5%)

50 Breast

28.98

100 Breast

32.74

1:01.72

100 Breast

1:01.72

100 Y Free

46.83

-1.40s (New PB)

AAA

AAAA: 45.29 (+1.54s | 3.3%)

50 Free

22.71

100 Free

24.12

46.83

100 Free

46.83

100 Y Fly

51.37

-2.34s (New PB)

AAA

AAAA: 49.09 (+2.28s | 4.4%)

50 Fly

23.85

100 Fly

27.52

51.37

100 Fly

51.37

200 Y Back

1:55.85

-4.20s (New PB)

AAA: 1:53.09 (+2.76s | 2.4%)

50 Back

27.02

100 Back

29.17

56.19

100 Back

56.19

150 Back

29.85

1:26.04

200 Back

29.81

1:55.85

100 Back

59.66

500 Y Free

4:40.26

-10.77s (New PB)

AAA

AAAA: 4:32.39 (+7.87s | 2.8%)

50 Free

25.03

100 Free

27.13

52.16

100 Free

52.16

150 Free

28.07

1:20.23

200 Free

28.40

1:48.63

100 Free

56.47

250 Free

29.11

2:17.74

300 Free

28.79

2:46.53

100 Free

57.90

350 Free

27.89

3:14.42

400 Free

28.51

3:42.93

100 Free

56.40

450 Free

28.49

4:11.42

500 Free

28.84

4:40.26

100 Free

57.33

200 Y Breast

2:06.62

-9.64s (New PB)

AAA

AAAA: 2:01.69 (+4.93s | 3.9%)

50 Breast

28.86

100 Breast

31.90

1:00.76

100 Breast

1:00.76

150 Breast

32.36

1:33.12

200 Breast

33.50

2:06.62

100 Breast

1:05.86

2025 NBAC Fall Fastival Meet

10/17/2025

Baltimore

50 Y Fly

24.50

-0.91s (New PB)

50 Y Back

26.02

-0.48s (New PB)

100 Y Back

55.30

-3.20s (New PB)

AA: 53.59 (+1.71s | 3.1%)

50 Back

26.67

100 Back

28.63

55.30

100 Back

55.30

200 Y Back

2:00.05

-6.48s (New PB)

AA: 1:58.19 (+1.86s | 1.5%)

50 Back

27.94

100 Back

29.99

57.93

100 Back

57.93

150 Back

30.69

1:28.62

200 Back

31.43

2:00.05

100 Back

1:02.12

50 Y Free

22.42

-0.43s (New PB)

AAA: 21.69 (+0.73s | 3.3%)

100 Y Free

48.23

-3.38s (New PB)

AAA: 47.39 (+0.84s | 1.7%)

50 Free

23.37

100 Free

24.86

48.23

100 Free

48.23

400 Y IM

4:04.94

-2.22s (New PB)

AAA

AAAA: 3:57.99 (+6.95s | 2.8%)

50 Fly

25.66

100 Fly

29.16

54.82

100 Fly

54.82

150 Back

32.30

1:27.12

200 Back

31.87

1:58.99

100 Back

1:04.17

250 Breast

35.45

2:34.44

300 Breast

36.37

3:10.81

100 Breast

1:11.82

350 Free

28.09

3:38.90

400 Free

26.04

4:04.94

100 Free

54.13

200 Y Free

1:44.21

-5.50s (New PB)

AAA

AAAA: 1:40.19 (+4.02s | 3.9%)

50 Free

24.53

100 Free

26.48

51.01

100 Free

51.01

150 Free

26.20

1:17.21

200 Free

27.00

1:44.21

100 Free

53.20

100 Y IM

54.24

50 IM

25.21

100 IM

29.03

54.24

100 IM

54.24

200 Y Fly

1:58.29

-0.36s (New PB)

AAA: 1:55.09 (+3.20s | 2.7%)

50 Fly

26.19

100 Fly

30.26

56.45

100 Fly

56.45

150 Fly

30.58

1:27.03

200 Fly

31.26

1:58.29

100 Fly

1:01.84

2024 ISCA January Classic

01/19/2024

Hampton

100 Y Fly

53.71

AAA: 52.79 (+0.92s | 1.7%)

50 Fly

25.01

100 Fly

28.70

53.71

100 Fly

53.71

50 Y Breast

29.57

50 Y Fly

25.41

50 Y Back

26.50

400 Y IM

4:07.16

-12.31s (New PB)

AAA

AAAA: 4:01.59 (+5.57s | 2.3%)

50 Fly

26.12

100 Fly

30.20

56.32

100 Fly

56.32

150 Back

31.31

1:27.63

200 Back

31.46

1:59.09

100 Back

1:02.77

250 Breast

35.01

2:34.10

300 Breast

36.52

3:10.62

100 Breast

1:11.53

350 Free

28.61

3:39.23

400 Free

27.93

4:07.16

100 Free

56.54

50 Y Free

22.85

AAA: 22.19 (+0.66s | 2.9%)

200 Y IM

1:55.59

-4.44s (New PB)

AAA

AAAA: 1:53.19 (+2.40s | 2.1%)

50 Fly

25.82

100 Back

29.80

55.62

100 IM

55.62

150 Breast

33.33

1:28.95

200 Free

26.64

1:55.59

100 IM

59.97

200 Y Fly

1:58.65

AAA: 1:58.09 (+0.56s | 0.5%)

50 Fly

26.39

100 Fly

30.07

56.46

100 Fly

56.46

150 Fly

30.76

1:27.22

200 Fly

31.43

1:58.65

100 Fly

1:02.19

100 Y Breast

1:03.42

+0.02s

AA: 1:03.19 (+0.23s | 0.4%)

50 Breast

29.74

100 Breast

33.68

1:03.42

100 Breast

1:03.42

500 Y Free

4:51.03

-6.75s (New PB)

AAA: 4:49.49 (+1.54s | 0.5%)

50 Free

25.68

100 Free

28.05

53.73

100 Free

53.73

150 Free

29.54

1:23.27

200 Free

30.11

1:53.38

100 Free

59.65

250 Free

29.51

2:22.89

300 Free

29.91

2:52.80

100 Free

59.42

350 Free

29.87

3:22.67

400 Free

30.01

3:52.68

100 Free

59.88

450 Free

29.99

4:22.67

500 Free

28.36

4:51.03

100 Free

58.35

2023 ISCA National Club Championships

01/20/2023

Hampton

200 Y Free

1:49.71

AAA

AAAA: 1:46.89 (+2.82s | 2.6%)

50 Free

24.47

100 Free

27.42

51.89

100 Free

51.89

150 Free

28.85

1:20.74

200 Free

28.97

1:49.71

100 Free

57.82

200 Y IM

2:00.03

AAA

AAAA: 1:58.49 (+1.54s | 1.3%)

50 Fly

26.28

100 Back

30.74

57.02

100 IM

57.02

150 Breast

34.87

1:31.89

200 Free

28.14

2:00.03

100 IM

1:03.01

200 Y Back

2:06.53

AAA: 2:01.59 (+4.94s | 3.9%)

50 Back

29.36

100 Back

31.88

1:01.24

100 Back

1:01.24

150 Back

32.60

1:33.84

200 Back

32.69

2:06.53

100 Back

1:05.29

200 Y Breast

2:16.26

AAA

AAAA: 2:11.19 (+5.07s | 3.7%)

50 Breast

30.80

100 Breast

34.69

1:05.49

100 Breast

1:05.49

150 Breast

35.72

1:41.21

200 Breast

35.05

2:16.26

100 Breast

1:10.77

100 Y Breast

1:03.40

AAA: 1:03.29 (+0.11s | 0.2%)

50 Breast

30.17

100 Breast

33.23

1:03.40

100 Breast

1:03.40

100 Y Back

58.50

AAA: 55.99 (+2.51s | 4.3%)

50 Back

28.34

100 Back

30.16

58.50

100 Back

58.50

100 Y Free

51.61

AAA: 51.09 (+0.52s | 1.0%)

50 Free

24.93

100 Free

26.68

51.61

100 Free

51.61

500 Y Free

4:57.78

AAA

AAAA: 4:49.29 (+8.49s | 2.9%)

50 Free

26.37

100 Free

29.04

55.41

100 Free

55.41

150 Free

30.43

1:25.84

200 Free

30.59

1:56.43

100 Free

1:01.02

250 Free

30.73

2:27.16

300 Free

30.50

2:57.66

100 Free

1:01.23

350 Free

30.42

3:28.08

400 Free

30.51

3:58.59

100 Free

1:00.93

450 Free

30.40

4:28.99

500 Free

28.79

4:57.78

100 Free

59.19

400 Y IM

4:19.47

AAA

AAAA: 4:13.29 (+6.18s | 2.4%)

50 Fly

28.24

100 Fly

31.82

1:00.06

100 Fly

1:00.06

150 Back

33.40

1:33.46

200 Back

34.00

2:07.46

100 Back

1:07.40

250 Breast

36.34

2:43.80

300 Breast

37.40

3:21.20

100 Breast

1:13.74

350 Free

30.15

3:51.35

400 Free

28.12

4:19.47

100 Free

58.27

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.