Sierra Kobak

Age: 17 years old
Age Category: 17-18
Team: Rocket Swim Club | Ohio Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Rocket Swim Club

Ohio Swimming

Central Zone

USA

Free 50 Y

25.63

17

03/05/2026

AA

AAA: 24.69 (+0.94s | 3.7%)

2

47

292

1,000+

Back 50 Y

28.04

17

03/05/2026

2

17

82

503

Breast 200 Y

2:25.90

Analysis

17

03/05/2026

AA

AAA: 2:25.09 (+0.81s | 0.6%)

1

7

55

416

50 Breast

32.81

100 Breast

37.05

1:09.86

100 Breast

1:09.86

150 Breast

38.15

1:48.01

200 Breast

37.89

2:25.90

100 Breast

1:16.04

Fly 100 Y

59.66

Analysis

17

03/05/2026

AA

AAA: 57.79 (+1.87s | 3.1%)

1

27

143

1,000+

50 Fly

27.37

100 Fly

32.29

59.66

100 Fly

59.66

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Rocket Swim Club

Ohio Swimming

Central Zone

USA

Free 50 M

29.28

17

06/12/2025

AA

AAA: 28.19 (+1.09s | 3.7%)

1

19

205

1,000+

Back 50 M

32.83

17

08/04/2022

1

6

68

319

Back 200 M

2:37.21

Analysis

17

06/12/2025

A

AA: 2:32.59 (+4.62s | 2.9%)

1

5

114

721

50 Back

33.86

100 Back

40.21

1:14.07

100 Back

1:14.07

150 Back

41.23

1:55.30

200 Back

41.91

2:37.21

100 Back

1:23.14

Breast 50 M

35.59

17

08/04/2022

1

3

15

117

Breast 100 M

1:18.21

Analysis

17

06/12/2025

AA

AAA: 1:16.59 (+1.62s | 2.1%)

1

4

40

278

50 Breast

35.62

100 Breast

42.59

1:18.21

100 Breast

1:18.21

Breast 200 M

2:52.85

Analysis

17

06/12/2025

A

AA: 2:52.49 (+0.36s | 0.2%)

1

4

50

364

50 Breast

37.99

100 Breast

44.25

1:22.24

100 Breast

1:22.24

150 Breast

44.64

2:06.88

200 Breast

45.97

2:52.85

100 Breast

1:30.61

Fly 100 M

1:09.12

Analysis

17

06/12/2025

A

AA: 1:08.69 (+0.43s | 0.6%)

1

12

113

744

50 Fly

32.24

100 Fly

36.88

1:09.12

100 Fly

1:09.12

IM 200 M

2:32.93

Analysis

17

06/12/2025

AA

AAA: 2:28.79 (+4.14s | 2.7%)

1

3

75

557

50 Fly

31.52

100 Back

39.91

1:11.43

100 IM

1:11.43

150 Breast

44.98

1:56.41

200 Free

36.52

2:32.93

100 IM

1:21.50

Above are the fastest times that Sierra Kobak has achieved in her swimming career. For each event, you can find Sierra's best time, the corresponding time standard, as well as how much faster Sierra needs to be to reach the next level. The last columns provide Sierra rankings at the team and LSC levels. These rankings are based on the Sierra's personal best, her 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	25.63	24.89 (+0.74s \| 2.9%)	23.89 (+1.74s \| 6.8%)	23.89 (+1.74s \| 6.8%)	23.29 (+2.34s \| 9.1%)	22.59 (+3.04s \| 11.9%)	22.79 (+2.84s \| 11.1%)
Back 50 Y	28.04	N/A	N/A	N/A	N/A	N/A	N/A
Breast 200 Y	2:25.90	2:28.19	2:22.69 (+3.21s \| 2.2%)	2:22.69 (+3.21s \| 2.2%)	2:17.19 (+8.71s \| 6.0%)	2:13.59 (+12.31s \| 8.4%)	2:15.49 (+10.41s \| 7.1%)
Fly 100 Y	59.66	59.19 (+0.47s \| 0.8%)	56.59 (+3.07s \| 5.1%)	56.59 (+3.07s \| 5.1%)	54.69 (+4.97s \| 8.3%)	53.49 (+6.17s \| 10.3%)	53.99 (+5.67s \| 9.5%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	29.28	28.69 (+0.59s \| 2.0%)	27.39 (+1.89s \| 6.5%)	27.39 (+1.89s \| 6.5%)	26.89 (+2.39s \| 8.2%)	26.29 (+2.99s \| 10.2%)	26.59 (+2.69s \| 9.2%)
Back 50 M	32.83	N/A	N/A	N/A	N/A	N/A	N/A
Back 200 M	2:37.21	2:29.19 (+8.02s \| 5.1%)	2:23.99 (+13.22s \| 8.4%)	2:23.99 (+13.22s \| 8.4%)	2:19.59 (+17.62s \| 11.2%)	2:16.99 (+20.22s \| 12.9%)	2:18.29 (+18.92s \| 12.0%)
Breast 50 M	35.59	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 M	1:18.21	1:18.79	1:15.99 (+2.22s \| 2.8%)	1:15.99 (+2.22s \| 2.8%)	1:13.79 (+4.42s \| 5.7%)	1:12.19 (+6.02s \| 7.7%)	1:13.29 (+4.92s \| 6.3%)
Breast 200 M	2:52.85	2:49.69 (+3.16s \| 1.8%)	2:43.39 (+9.46s \| 5.5%)	2:43.39 (+9.46s \| 5.5%)	2:38.59 (+14.26s \| 8.2%)	2:36.09 (+16.76s \| 9.7%)	2:38.29 (+14.56s \| 8.4%)
Fly 100 M	1:09.12	1:07.19 (+1.93s \| 2.8%)	1:04.69 (+4.43s \| 6.4%)	1:04.69 (+4.43s \| 6.4%)	1:02.69 (+6.43s \| 9.3%)	1:01.69 (+7.43s \| 10.7%)	1:02.39 (+6.73s \| 9.7%)
IM 200 M	2:32.93	2:31.09 (+1.84s \| 1.2%)	2:26.19 (+6.74s \| 4.4%)	2:26.19 (+6.74s \| 4.4%)	2:22.09 (+10.84s \| 7.1%)	2:19.49 (+13.44s \| 8.8%)	2:20.99 (+11.94s \| 7.8%)

Progression

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

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Meets

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 OH Tim Myers SC Senior Champs

03/05/2026

Columbus

50 Y Free

25.63

AA

AAA: 24.69 (+0.94s | 3.7%)

17

100 Y Fly

59.66

AA

AAA: 57.79 (+1.87s | 3.1%)

17

3

50 Fly

27.37

100 Fly

32.29

59.66

100 Fly

59.66

50 Y Back

28.04

17

3

4

6

200 Y Breast

2:25.90

AA

AAA: 2:25.09 (+0.81s | 0.6%)

17

2

8

50 Breast

32.81

100 Breast

37.05

1:09.86

100 Breast

1:09.86

150 Breast

38.15

1:48.01

200 Breast

37.89

2:25.90

100 Breast

1:16.04

100 Y IM

1:00.42

17

2

6

4

50 IM

27.71

100 IM

32.71

1:00.42

100 IM

1:00.42

Holtrey Summer Classic

06/12/2025

Cleveland

100 M Fly

1:09.12

A

AA: 1:08.69 (+0.43s | 0.6%)

17

50 Fly

32.24

100 Fly

36.88

1:09.12

100 Fly

1:09.12

200 M Breast

2:52.85

-3.24s (New PB)

A

AA: 2:52.49 (+0.36s | 0.2%)

17

2

6

5

50 Breast

37.99

100 Breast

44.25

1:22.24

100 Breast

1:22.24

150 Breast

44.64

2:06.88

200 Breast

45.97

2:52.85

100 Breast

1:30.61

100 M Breast

1:18.21

-1.61s (New PB)

AA

AAA: 1:16.59 (+1.62s | 2.1%)

17

2

8

50 Breast

35.62

100 Breast

42.59

1:18.21

100 Breast

1:18.21

200 M Back

2:37.21

A

AA: 2:32.59 (+4.62s | 2.9%)

17

1

8

50 Back

33.86

100 Back

40.21

1:14.07

100 Back

1:14.07

150 Back

41.23

1:55.30

200 Back

41.91

2:37.21

100 Back

1:23.14

50 M Free

29.28

AA

AAA: 28.19 (+1.09s | 3.7%)

17

6

7

9

200 M IM

2:32.93

-7.41s (New PB)

AA

AAA: 2:28.79 (+4.14s | 2.7%)

17

1

4

1

50 Fly

31.52

100 Back

39.91

1:11.43

100 IM

1:11.43

150 Breast

44.98

1:56.41

200 Free

36.52

2:32.93

100 IM

1:21.50

2022 IN Central Zone 14 U Championship

08/04/2022

Elkhart

50 M Breast

35.59

14

2

7

6

50 M Back

32.83

14

200 M IM

2:40.34

AA

AAA: 2:34.89 (+5.45s | 3.4%)

14

50 Fly

33.56

100 Back

41.83

1:15.39

100 IM

1:15.39

150 Breast

48.04

2:03.43

200 Free

36.91

2:40.34

100 IM

1:24.95

100 M Breast

1:19.82

AAA

AAAA: 1:16.79 (+3.03s | 3.8%)

14

1

6

3

50 Breast

37.56

100 Breast

42.26

1:19.82

100 Breast

1:19.82

200 M Breast

2:56.09

AA

AAA: 2:53.09 (+3.00s | 1.7%)

14

1

8

5

50 Breast

38.84

100 Breast

44.04

1:22.88

100 Breast

1:22.88

150 Breast

46.87

2:09.75

200 Breast

46.34

2:56.09

100 Breast

1:33.21