Sienna Mrachek

Age: 18 years old
Age Category: 17-18
Team: AquaStorm | North Dakota Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

AquaStorm

North Dakota Swimming

Central Zone

USA

Free 100 Y

54.47

Analysis

03/13/2025

AAA: 53.49 (+0.98s | 1.8%)

186

1,000+

50 Free

26.30

100 Free

28.17

54.47

100 Free

54.47

Free 200 Y

1:57.67

Analysis

03/13/2025

AAA: 1:55.69 (+1.98s | 1.7%)

148

1,000+

Free 500 Y

5:15.44

Analysis

03/13/2025

AAA: 5:11.59 (+3.85s | 1.2%)

102

773

50 Free

27.38

100 Free

30.58

57.96

100 Free

57.96

150 Free

31.75

1:29.71

200 Free

31.95

2:01.66

100 Free

1:03.70

250 Free

32.37

2:34.03

300 Free

32.65

3:06.68

100 Free

1:05.02

350 Free

32.97

3:39.65

400 Free

32.84

4:12.49

100 Free

1:05.81

450 Free

32.17

4:44.66

500 Free

30.78

5:15.44

100 Free

1:02.95

IM 200 Y

2:14.32

Analysis

03/13/2025

AAA: 2:08.49 (+5.83s | 4.3%)

158

1,000+

50 Fly

29.22

100 Back

35.28

1:04.50

100 IM

1:04.50

200 Free

1:09.82

2:14.32

100 IM

1:09.82

Long course distance

Event

Time

Age

Date

Standard

Next Standard

AquaStorm

North Dakota Swimming

Central Zone

USA

Free 50 M

31.05

06/23/2023

A: 30.69 (+0.36s | 1.2%)

393

1,000+

Free 100 M

1:07.43

Analysis

06/23/2023

A: 1:06.59 (+0.84s | 1.2%)

340

1,000+

Free 200 M

2:21.54

Analysis

08/04/2022

AA: 2:17.69 (+3.85s | 2.7%)

217

1,000+

50 Free

32.22

100 Free

35.64

1:07.86

100 Free

1:07.86

150 Free

37.68

1:45.54

200 Free

36.00

2:21.54

100 Free

1:13.68

Free 400 M

4:55.68

Analysis

08/04/2022

AA: 4:50.29 (+5.39s | 1.8%)

135

852

50 Free

32.40

100 Free

36.25

1:08.65

100 Free

1:08.65

150 Free

37.86

1:46.51

200 Free

37.92

2:24.43

100 Free

1:15.78

250 Free

38.50

3:02.93

300 Free

38.37

3:41.30

100 Free

1:16.87

350 Free

38.19

4:19.49

400 Free

36.19

4:55.68

100 Free

1:14.38

Free 800 M

9:59.71

Analysis

08/04/2022

AAA: 9:33.79 (+25.92s | 4.3%)

401

50 Free

32.33

100 Free

36.13

1:08.46

100 Free

1:08.46

150 Free

37.70

1:46.16

200 Free

37.88

2:24.04

100 Free

1:15.58

250 Free

38.51

3:02.55

300 Free

38.43

3:40.98

100 Free

1:16.94

350 Free

38.58

4:19.56

400 Free

38.08

4:57.64

100 Free

1:16.66

450 Free

38.51

5:36.15

500 Free

38.40

6:14.55

100 Free

1:16.91

550 Free

38.78

6:53.33

600 Free

38.36

7:31.69

100 Free

1:17.14

650 Free

38.29

8:09.98

700 Free

38.10

8:48.08

100 Free

1:16.39

750 Free

37.08

9:25.16

800 Free

34.55

9:59.71

100 Free

1:11.63

Free 1500 M

19:17.02

Analysis

08/04/2022

AA: 19:10.79 (+6.23s | 0.5%)

321

50 Free

32.40

100 Free

36.80

1:09.21

100 Free

1:09.21

150 Free

38.54

1:47.75

200 Free

38.74

2:26.49

100 Free

1:17.28

250 Free

39.33

3:05.82

300 Free

39.21

3:45.03

100 Free

1:18.54

350 Free

39.20

4:24.23

400 Free

40.10

5:04.33

100 Free

1:19.30

450 Free

39.24

5:43.57

500 Free

38.71

6:22.28

100 Free

1:17.95

550 Free

39.37

7:01.65

600 Free

39.05

7:40.70

100 Free

1:18.42

650 Free

38.82

8:19.52

700 Free

39.11

8:58.63

100 Free

1:17.93

750 Free

38.73

9:37.36

800 Free

38.94

10:16.30

100 Free

1:17.67

850 Free

39.12

10:55.43

900 Free

39.19

11:34.62

100 Free

1:18.31

950 Free

39.22

12:13.84

1000 Free

39.11

12:52.95

100 Free

1:18.33

1050 Free

39.25

13:32.20

1100 Free

38.98

14:11.18

100 Free

1:18.23

1150 Free

39.46

14:50.64

1200 Free

38.79

15:29.43

100 Free

1:18.25

1250 Free

38.75

16:08.18

1300 Free

38.67

16:46.85

100 Free

1:17.42

1350 Free

38.15

17:25.00

1400 Free

38.69

18:03.69

100 Free

1:16.84

1450 Free

37.47

18:41.16

1500 Free

35.86

19:17.02

100 Free

1:13.33

Back 100 M

1:22.34

Analysis

06/23/2023

BB: 1:19.79 (+2.55s | 3.1%)

336

1,000+

Back 200 M

3:00.51

Analysis

06/23/2023

BB: 2:52.49 (+8.02s | 4.4%)

255

1,000+

Breast 100 M

1:30.74

Analysis

06/23/2023

BB: 1:30.49 (+0.25s | 0.3%)

193

1,000+

Fly 100 M

1:20.85

Analysis

06/23/2023

BB: 1:17.69 (+3.16s | 3.9%)

270

1,000+

IM 200 M

2:47.33

Analysis

06/23/2023

A: 2:42.29 (+5.04s | 3.0%)

221

1,000+

Above are the fastest times that Sienna Mrachek has achieved in her swimming career. For each event, you can find Sienna's best time, the corresponding time standard, as well as how much faster Sienna needs to be to reach the next level. The last columns provide Sienna rankings at the team and LSC levels. These rankings are based on the Sienna'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 100 Y	54.47	53.99 (+0.48s \| 0.9%)	51.89 (+2.58s \| 4.7%)	51.89 (+2.58s \| 4.7%)	50.39 (+4.08s \| 7.5%)	49.29 (+5.18s \| 9.5%)	49.69 (+4.78s \| 8.8%)
Free 200 Y	1:57.67	1:56.29 (+1.38s \| 1.2%)	1:52.89 (+4.78s \| 4.1%)	1:52.29 (+5.38s \| 4.6%)	1:49.09 (+8.58s \| 7.3%)	1:46.69 (+10.98s \| 9.3%)	1:47.39 (+10.28s \| 8.7%)
Free 500 Y	5:15.44	5:10.69 (+4.75s \| 1.5%)	5:02.59 (+12.85s \| 4.1%)	5:02.59 (+12.85s \| 4.1%)	4:53.09 (+22.35s \| 7.1%)	4:45.99 (+29.45s \| 9.3%)	4:48.09 (+27.35s \| 8.7%)
IM 200 Y	2:14.32	2:10.49 (+3.83s \| 2.9%)	2:06.39 (+7.93s \| 5.9%)	2:06.39 (+7.93s \| 5.9%)	2:02.19 (+12.13s \| 9.0%)	1:59.49 (+14.83s \| 11.0%)	2:00.59 (+13.73s \| 10.2%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	31.05	28.69 (+2.36s \| 7.6%)	27.39 (+3.66s \| 11.8%)	27.39 (+3.66s \| 11.8%)	26.89 (+4.16s \| 13.4%)	26.29 (+4.76s \| 15.3%)	26.59 (+4.46s \| 14.4%)
Free 100 M	1:07.43	1:01.89 (+5.54s \| 8.2%)	59.29 (+8.14s \| 12.1%)	59.29 (+8.14s \| 12.1%)	58.19 (+9.24s \| 13.7%)	56.99 (+10.44s \| 15.5%)	57.59 (+9.84s \| 14.6%)
Free 200 M	2:21.54	2:12.99 (+8.55s \| 6.0%)	2:07.79 (+13.75s \| 9.7%)	2:07.79 (+13.75s \| 9.7%)	2:04.99 (+16.55s \| 11.7%)	2:03.09 (+18.45s \| 13.0%)	2:04.29 (+17.25s \| 12.2%)
Free 400 M	4:55.68	4:39.69 (+15.99s \| 5.4%)	4:28.79 (+26.89s \| 9.1%)	4:28.79 (+26.89s \| 9.1%)	4:23.79 (+31.89s \| 10.8%)	4:19.19 (+36.49s \| 12.3%)	4:21.39 (+34.29s \| 11.6%)
Free 800 M	9:59.71	9:36.09 (+23.62s \| 3.9%)	9:13.79 (+45.92s \| 7.7%)	9:13.79 (+45.92s \| 7.7%)	9:04.09 (+55.62s \| 9.3%)	8:52.89 (+66.82s \| 11.1%)	8:58.69 (+61.02s \| 10.2%)
Free 1500 M	19:17.02	18:22.99 (+54.03s \| 4.7%)	17:40.19 (+96.83s \| 8.4%)	17:40.19 (+96.83s \| 8.4%)	17:21.69 (+115.33s \| 10.0%)	17:00.29 (+136.73s \| 11.8%)	17:11.29 (+125.73s \| 10.9%)
Back 100 M	1:22.34	1:09.49 (+12.85s \| 15.6%)	1:06.79 (+15.55s \| 18.9%)	1:06.79 (+15.55s \| 18.9%)	1:04.79 (+17.55s \| 21.3%)	1:03.69 (+18.65s \| 22.6%)	1:04.39 (+17.95s \| 21.8%)
Back 200 M	3:00.51	2:29.19 (+31.32s \| 17.4%)	2:23.99 (+36.52s \| 20.2%)	2:23.99 (+36.52s \| 20.2%)	2:19.59 (+40.92s \| 22.7%)	2:16.99 (+43.52s \| 24.1%)	2:18.29 (+42.22s \| 23.4%)
Breast 100 M	1:30.74	1:18.79 (+11.95s \| 13.2%)	1:15.99 (+14.75s \| 16.3%)	1:15.99 (+14.75s \| 16.3%)	1:13.79 (+16.95s \| 18.7%)	1:12.19 (+18.55s \| 20.4%)	1:13.29 (+17.45s \| 19.2%)
Fly 100 M	1:20.85	1:07.19 (+13.66s \| 16.9%)	1:04.69 (+16.16s \| 20.0%)	1:04.69 (+16.16s \| 20.0%)	1:02.69 (+18.16s \| 22.5%)	1:01.69 (+19.16s \| 23.7%)	1:02.39 (+18.46s \| 22.8%)
IM 200 M	2:47.33	2:31.09 (+16.24s \| 9.7%)	2:26.19 (+21.14s \| 12.6%)	2:26.19 (+21.14s \| 12.6%)	2:22.09 (+25.24s \| 15.1%)	2:19.49 (+27.84s \| 16.6%)	2:20.99 (+26.34s \| 15.7%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 MN RSC CZ North Section Spring Champions

03/13/2025

Rochester

100 Y Free

54.47

AAA: 53.49 (+0.98s | 1.8%)

50 Free

26.30

100 Free

28.17

54.47

100 Free

54.47

200 Y IM

2:14.32

AAA: 2:08.49 (+5.83s | 4.3%)

50 Fly

29.22

100 Back

35.28

1:04.50

100 IM

1:04.50

200 Free

1:09.82

2:14.32

100 IM

1:09.82

200 Y Free

1:57.67

AAA: 1:55.69 (+1.98s | 1.7%)

500 Y Free

5:15.44

AAA: 5:11.59 (+3.85s | 1.2%)

50 Free

27.38

100 Free

30.58

57.96

100 Free

57.96

150 Free

31.75

1:29.71

200 Free

31.95

2:01.66

100 Free

1:03.70

250 Free

32.37

2:34.03

300 Free

32.65

3:06.68

100 Free

1:05.02

350 Free

32.97

3:39.65

400 Free

32.84

4:12.49

100 Free

1:05.81

450 Free

32.17

4:44.66

500 Free

30.78

5:15.44

100 Free

1:02.95

2023 RST Rushmore Classic Swim Meet

06/23/2023

Rapid City

200 M Free

2:27.12

+5.58s

A: 2:25.09 (+2.03s | 1.4%)

200 M Back

3:00.51

BB: 2:53.39 (+7.12s | 3.9%)

400 M Free

5:12.59

+16.91s

A: 5:04.49 (+8.10s | 2.6%)

100 M Free

1:07.43

A: 1:07.19 (+0.24s | 0.4%)

100 M Breast

1:30.74

A: 1:24.49 (+6.25s | 6.9%)

200 M IM

2:47.33

A: 2:43.89 (+3.44s | 2.1%)

100 M Back

1:22.34

BB: 1:20.69 (+1.65s | 2.0%)

50 M Free

31.05

A: 30.89 (+0.16s | 0.5%)

100 M Fly

1:20.85

BB: 1:18.29 (+2.56s | 3.2%)

2022 MN Central Zone 14 U Championship

08/04/2022

Minneapolis

800 M Free

9:59.71

AAA

AAAA: 9:34.09 (+25.62s | 4.3%)

50 Free

32.33

100 Free

36.13

1:08.46

100 Free

1:08.46

150 Free

37.70

1:46.16

200 Free

37.88

2:24.04

100 Free

1:15.58

250 Free

38.51

3:02.55

300 Free

38.43

3:40.98

100 Free

1:16.94

350 Free

38.58

4:19.56

400 Free

38.08

4:57.64

100 Free

1:16.66

450 Free

38.51

5:36.15

500 Free

38.40

6:14.55

100 Free

1:16.91

550 Free

38.78

6:53.33

600 Free

38.36

7:31.69

100 Free

1:17.14

650 Free

38.29

8:09.98

700 Free

38.10

8:48.08

100 Free

1:16.39

750 Free

37.08

9:25.16

800 Free

34.55

9:59.71

100 Free

1:11.63

400 M Free

4:55.68

AAA: 4:49.19 (+6.49s | 2.2%)

50 Free

32.40

100 Free

36.25

1:08.65

100 Free

1:08.65

150 Free

37.86

1:46.51

200 Free

37.92

2:24.43

100 Free

1:15.78

250 Free

38.50

3:02.93

300 Free

38.37

3:41.30

100 Free

1:16.87

350 Free

38.19

4:19.49

400 Free

36.19

4:55.68

100 Free

1:14.38

1500 M Free

19:17.02

AAA: 19:13.69 (+3.33s | 0.3%)

50 Free

32.40

100 Free

36.80

1:09.21

100 Free

1:09.21

150 Free

38.54

1:47.75

200 Free

38.74

2:26.49

100 Free

1:17.28

250 Free

39.33

3:05.82

300 Free

39.21

3:45.03

100 Free

1:18.54

350 Free

39.20

4:24.23

400 Free

40.10

5:04.33

100 Free

1:19.30

450 Free

39.24

5:43.57

500 Free

38.71

6:22.28

100 Free

1:17.95

550 Free

39.37

7:01.65

600 Free

39.05

7:40.70

100 Free

1:18.42

650 Free

38.82

8:19.52

700 Free

39.11

8:58.63

100 Free

1:17.93

750 Free

38.73

9:37.36

800 Free

38.94

10:16.30

100 Free

1:17.67

850 Free

39.12

10:55.43

900 Free

39.19

11:34.62

100 Free

1:18.31

950 Free

39.22

12:13.84

1000 Free

39.11

12:52.95

100 Free

1:18.33

1050 Free

39.25

13:32.20

1100 Free

38.98

14:11.18

100 Free

1:18.23

1150 Free

39.46

14:50.64

1200 Free

38.79

15:29.43

100 Free

1:18.25

1250 Free

38.75

16:08.18

1300 Free

38.67

16:46.85

100 Free

1:17.42

1350 Free

38.15

17:25.00

1400 Free

38.69

18:03.69

100 Free

1:16.84

1450 Free

37.47

18:41.16

1500 Free

35.86

19:17.02

100 Free

1:13.33

200 M Free

2:21.54

AAA: 2:17.79 (+3.75s | 2.6%)

50 Free

32.22

100 Free

35.64

1:07.86

100 Free

1:07.86

150 Free

37.68

1:45.54

200 Free

36.00

2:21.54

100 Free

1:13.68

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.

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 100 Y	54.47	53.99 (+0.48s \| 0.9%)	51.89 (+2.58s \| 4.7%)	51.89 (+2.58s \| 4.7%)	50.39 (+4.08s \| 7.5%)	49.29 (+5.18s \| 9.5%)	49.69 (+4.78s \| 8.8%)
Free 200 Y	1:57.67	1:56.29 (+1.38s \| 1.2%)	1:52.89 (+4.78s \| 4.1%)	1:52.29 (+5.38s \| 4.6%)	1:49.09 (+8.58s \| 7.3%)	1:46.69 (+10.98s \| 9.3%)	1:47.39 (+10.28s \| 8.7%)
Free 500 Y	5:15.44	5:10.69 (+4.75s \| 1.5%)	5:02.59 (+12.85s \| 4.1%)	5:02.59 (+12.85s \| 4.1%)	4:53.09 (+22.35s \| 7.1%)	4:45.99 (+29.45s \| 9.3%)	4:48.09 (+27.35s \| 8.7%)
IM 200 Y	2:14.32	2:10.49 (+3.83s \| 2.9%)	2:06.39 (+7.93s \| 5.9%)	2:06.39 (+7.93s \| 5.9%)	2:02.19 (+12.13s \| 9.0%)	1:59.49 (+14.83s \| 11.0%)	2:00.59 (+13.73s \| 10.2%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	31.05	28.69 (+2.36s \| 7.6%)	27.39 (+3.66s \| 11.8%)	27.39 (+3.66s \| 11.8%)	26.89 (+4.16s \| 13.4%)	26.29 (+4.76s \| 15.3%)	26.59 (+4.46s \| 14.4%)
Free 100 M	1:07.43	1:01.89 (+5.54s \| 8.2%)	59.29 (+8.14s \| 12.1%)	59.29 (+8.14s \| 12.1%)	58.19 (+9.24s \| 13.7%)	56.99 (+10.44s \| 15.5%)	57.59 (+9.84s \| 14.6%)
Free 200 M	2:21.54	2:12.99 (+8.55s \| 6.0%)	2:07.79 (+13.75s \| 9.7%)	2:07.79 (+13.75s \| 9.7%)	2:04.99 (+16.55s \| 11.7%)	2:03.09 (+18.45s \| 13.0%)	2:04.29 (+17.25s \| 12.2%)
Free 400 M	4:55.68	4:39.69 (+15.99s \| 5.4%)	4:28.79 (+26.89s \| 9.1%)	4:28.79 (+26.89s \| 9.1%)	4:23.79 (+31.89s \| 10.8%)	4:19.19 (+36.49s \| 12.3%)	4:21.39 (+34.29s \| 11.6%)
Free 800 M	9:59.71	9:36.09 (+23.62s \| 3.9%)	9:13.79 (+45.92s \| 7.7%)	9:13.79 (+45.92s \| 7.7%)	9:04.09 (+55.62s \| 9.3%)	8:52.89 (+66.82s \| 11.1%)	8:58.69 (+61.02s \| 10.2%)
Free 1500 M	19:17.02	18:22.99 (+54.03s \| 4.7%)	17:40.19 (+96.83s \| 8.4%)	17:40.19 (+96.83s \| 8.4%)	17:21.69 (+115.33s \| 10.0%)	17:00.29 (+136.73s \| 11.8%)	17:11.29 (+125.73s \| 10.9%)
Back 100 M	1:22.34	1:09.49 (+12.85s \| 15.6%)	1:06.79 (+15.55s \| 18.9%)	1:06.79 (+15.55s \| 18.9%)	1:04.79 (+17.55s \| 21.3%)	1:03.69 (+18.65s \| 22.6%)	1:04.39 (+17.95s \| 21.8%)
Back 200 M	3:00.51	2:29.19 (+31.32s \| 17.4%)	2:23.99 (+36.52s \| 20.2%)	2:23.99 (+36.52s \| 20.2%)	2:19.59 (+40.92s \| 22.7%)	2:16.99 (+43.52s \| 24.1%)	2:18.29 (+42.22s \| 23.4%)
Breast 100 M	1:30.74	1:18.79 (+11.95s \| 13.2%)	1:15.99 (+14.75s \| 16.3%)	1:15.99 (+14.75s \| 16.3%)	1:13.79 (+16.95s \| 18.7%)	1:12.19 (+18.55s \| 20.4%)	1:13.29 (+17.45s \| 19.2%)
Fly 100 M	1:20.85	1:07.19 (+13.66s \| 16.9%)	1:04.69 (+16.16s \| 20.0%)	1:04.69 (+16.16s \| 20.0%)	1:02.69 (+18.16s \| 22.5%)	1:01.69 (+19.16s \| 23.7%)	1:02.39 (+18.46s \| 22.8%)
IM 200 M	2:47.33	2:31.09 (+16.24s \| 9.7%)	2:26.19 (+21.14s \| 12.6%)	2:26.19 (+21.14s \| 12.6%)	2:22.09 (+25.24s \| 15.1%)	2:19.49 (+27.84s \| 16.6%)	2:20.99 (+26.34s \| 15.7%)