Macallan Koster

Age: 16 years old
Age Category: 15-16
Team: YMCA of the Jersey Shore | New Jersey Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

YMCA of the Jersey Shore

New Jersey Swimming

Eastern Zone

USA

Back 100 Y

54.91

Analysis

16

03/19/2026

AA

AAA: 53.09 (+1.82s | 3.3%)

1

28

196

631

50 Back

26.73

100 Back

28.18

54.91

100 Back

54.91

Back 200 Y

1:59.57

Analysis

16

03/05/2026

AA

AAA: 1:55.99 (+3.58s | 3.0%)

2

24

181

547

50 Back

27.80

100 Back

30.09

57.89

100 Back

57.89

150 Back

31.04

1:28.93

200 Back

30.64

1:59.57

100 Back

1:01.68

Fly 100 Y

54.51

Analysis

16

03/19/2026

AA

AAA: 52.79 (+1.72s | 3.2%)

4

32

235

796

50 Fly

25.28

100 Fly

29.23

54.51

100 Fly

54.51

Long course distance

Event

Time

Age

Date

Standard

Next Standard

YMCA of the Jersey Shore

New Jersey Swimming

Eastern Zone

USA

Back 50 M

31.26

16

06/26/2026

A

AA: 31.09 (+0.17s | 0.5%)

1

29

188

968

Back 100 M

1:07.10

Analysis

16

08/07/2024

A

AA: 1:05.19 (+1.91s | 2.8%)

1

47

268

1,000+

Back 200 M

2:26.42

Analysis

16

08/07/2024

A

AA: 2:21.49 (+4.93s | 3.4%)

1

31

233

1,000+

50 Back

33.77

100 Back

36.69

1:10.46

100 Back

1:10.46

150 Back

37.85

1:48.31

200 Back

38.11

2:26.42

100 Back

1:15.96

Fly 100 M

1:05.15

Analysis

16

06/26/2026

A

AA: 1:03.09 (+2.06s | 3.2%)

1

52

310

1,000+

50 Fly

29.85

100 Fly

35.30

1:05.15

100 Fly

1:05.15

Above are the fastest times that Macallan Koster has achieved in his swimming career. For each event, you can find Macallan's best time, the corresponding time standard, as well as how much faster Macallan needs to be to reach the next level. The last columns provide Macallan rankings at the team and LSC levels. These rankings are based on the Macallan'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
Got the Bonus time standard (extra events for qualified swimmers)

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Back 100 Y	54.91	53.89 (+1.02s \| 1.9%) 55.39	51.49 (+3.42s \| 6.2%)	51.49 (+3.42s \| 6.2%)	49.19 (+5.72s \| 10.4%)	46.99 (+7.92s \| 14.4%)	48.89 (+6.02s \| 11.0%)
Back 200 Y	1:59.57	1:57.29 (+2.28s \| 1.9%) 2:00.59	1:52.79 (+6.78s \| 5.7%)	1:52.79 (+6.78s \| 5.7%)	1:47.79 (+11.78s \| 9.9%)	1:43.29 (+16.28s \| 13.6%)	1:47.09 (+12.48s \| 10.4%)
Fly 100 Y	54.51	52.89 (+1.62s \| 3.0%) 54.39 (+0.12s \| 0.2%)	50.59 (+3.92s \| 7.2%)	50.59 (+3.92s \| 7.2%)	48.69 (+5.82s \| 10.7%)	46.69 (+7.82s \| 14.3%)	48.39 (+6.12s \| 11.2%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Back 50 M	31.26	29.29 (+1.97s \| 6.3%) 29.79 (+1.47s \| 4.7%)	N/A	N/A	N/A	26.09 (+5.17s \| 16.5%)	N/A
Back 100 M	1:07.10	1:03.29 (+3.81s \| 5.7%) 1:05.09 (+2.01s \| 3.0%)	1:00.59 (+6.51s \| 9.7%)	1:00.59 (+6.51s \| 9.7%)	58.79 (+8.31s \| 12.4%)	56.89 (+10.21s \| 15.2%)	58.19 (+8.91s \| 13.3%)
Back 200 M	2:26.42	2:17.39 (+9.03s \| 6.2%) 2:21.29 (+5.13s \| 3.5%)	2:11.89 (+14.53s \| 9.9%)	2:11.89 (+14.53s \| 9.9%)	2:08.29 (+18.13s \| 12.4%)	2:04.59 (+21.83s \| 14.9%)	2:06.99 (+19.43s \| 13.3%)
Fly 100 M	1:05.15	1:00.89 (+4.26s \| 6.5%) 1:02.59 (+2.56s \| 3.9%)	57.99 (+7.16s \| 11.0%)	57.99 (+7.16s \| 11.0%)	56.49 (+8.66s \| 13.3%)	54.69 (+10.46s \| 16.1%)	55.99 (+9.16s \| 14.1%)

Progression

See how Macallan Koster is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Macallan'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 Macallan Koster has participated in and his achievement. The last event displayed is the most recent. For each event, you can find the Macallan's time, the progress against Macallan's best time, the corresponding time standard, as well as how much faster Macallan needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

EEX Jeffrey S Mace Summer Sizzle XXXIV

06/26/2026

Piscataway

100 M Back

1:07.44

+0.34s

A

AA: 1:05.19 (+2.25s | 3.3%)

16

50 Back

32.54

100 Back

34.89

1:07.44

100 Back

1:07.44

50 M Back

31.26

A

AA: 31.09 (+0.17s | 0.5%)

16

200 M Back

2:30.11

+3.69s

BB

A: 2:27.69 (+2.42s | 1.6%)

16

50 Back

33.82

100 Back

37.90

1:11.72

100 Back

1:11.72

150 Back

39.41

1:51.13

200 Back

38.98

2:30.11

100 Back

1:18.39

100 M Fly

1:05.15

A

AA: 1:03.09 (+2.06s | 3.2%)

16

50 Fly

29.85

100 Fly

35.30

1:05.15

100 Fly

1:05.15

2026 NJS Scarlet 11 Over Gold Champs

03/19/2026

New Brunswick

100 Y Back

54.91

-0.15s (New PB)

AA

AAA: 53.09 (+1.82s | 3.3%)

15

1

4

9

50 Back

26.73

100 Back

28.18

54.91

100 Back

54.91

200 Y Back

2:00.74

+1.17s

AA

AAA: 1:55.99 (+4.75s | 3.9%)

15

1

4

50 Back

27.58

100 Back

30.23

57.81

100 Back

57.81

150 Back

31.60

1:29.41

200 Back

31.33

2:00.74

100 Back

1:02.93

100 Y Fly

54.51

-0.22s (New PB)

AA

AAA: 52.79 (+1.72s | 3.2%)

15

50 Fly

25.28

100 Fly

29.23

54.51

100 Fly

54.51

2026 NJ YMCA 13 Over State Championship

03/05/2026

Lancaster

200 Y Back

1:59.57

AA

AAA: 1:55.99 (+3.58s | 3.0%)

15

50 Back

27.80

100 Back

30.09

57.89

100 Back

57.89

150 Back

31.04

1:28.93

200 Back

30.64

1:59.57

100 Back

1:01.68

100 Y Fly

54.73

AA

AAA: 52.79 (+1.94s | 3.5%)

15

7

2

50 Fly

25.55

100 Fly

29.18

54.73

100 Fly

54.73

100 Y Back

55.06

AA

AAA: 53.09 (+1.97s | 3.6%)

15

2024 EZ LC Age Group Championship

08/07/2024

Hampton

100 M Back

1:07.10

AA

AAA: 1:05.79 (+1.31s | 2.0%)

14

200 M Back

2:26.42

AA

AAA: 2:22.79 (+3.63s | 2.5%)

14

50 Back

33.77

100 Back

36.69

1:10.46

100 Back

1:10.46

150 Back

37.85

1:48.31

200 Back

38.11

2:26.42

100 Back

1:15.96

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Back 100 Y	54.91	53.89 (+1.02s \| 1.9%) 55.39	51.49 (+3.42s \| 6.2%)	51.49 (+3.42s \| 6.2%)	49.19 (+5.72s \| 10.4%)	46.99 (+7.92s \| 14.4%)	48.89 (+6.02s \| 11.0%)
Back 200 Y	1:59.57	1:57.29 (+2.28s \| 1.9%) 2:00.59	1:52.79 (+6.78s \| 5.7%)	1:52.79 (+6.78s \| 5.7%)	1:47.79 (+11.78s \| 9.9%)	1:43.29 (+16.28s \| 13.6%)	1:47.09 (+12.48s \| 10.4%)
Fly 100 Y	54.51	52.89 (+1.62s \| 3.0%) 54.39 (+0.12s \| 0.2%)	50.59 (+3.92s \| 7.2%)	50.59 (+3.92s \| 7.2%)	48.69 (+5.82s \| 10.7%)	46.69 (+7.82s \| 14.3%)	48.39 (+6.12s \| 11.2%)