Sienna Johnson

Age: 16 years old
Age Category: 15-16
Team: Clayton Valley High School | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Clayton Valley High School

Pacific Swimming

Western Zone

USA

Free 50 Y

25.07

16

04/30/2026

BB

A: 24.19 (+0.88s | 3.5%)

Rankings

Free 100 Y

57.11

Analysis

16

04/30/2026

BB

A: 53.19 (+3.92s | 6.9%)

Rankings

50 Free

27.74

100 Free

29.37

57.11

100 Free

57.11

Free 500 Y

6:19.57

Analysis

16

10/31/2025

B

BB: 6:12.39 (+7.18s | 1.9%)

Rankings

50 Free

34.76

100 Free

38.10

1:12.86

100 Free

1:12.86

150 Free

38.35

1:51.21

200 Free

39.21

2:30.42

100 Free

1:17.56

250 Free

39.20

3:09.62

300 Free

38.40

3:48.02

100 Free

1:17.60

350 Free

38.49

4:26.51

400 Free

39.42

5:05.93

100 Free

1:17.91

450 Free

38.44

5:44.37

500 Free

35.20

6:19.57

100 Free

1:13.64

Back 50 Y

36.62

16

01/11/2025

B: 35.29 (+1.33s | 3.6%)

Rankings

Breast 50 Y

40.98

16

01/11/2025

B

BB: 38.19 (+2.79s | 6.8%)

Rankings

Fly 50 Y

31.79

16

01/11/2025

BB

A: 29.79 (+2.00s | 6.3%)

Rankings

Fly 100 Y

1:11.33

Analysis

16

11/01/2024

B

BB: 1:09.09 (+2.24s | 3.1%)

Rankings

50 Fly

33.64

100 Fly

37.69

1:11.33

100 Fly

1:11.33

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Clayton Valley High School	Pacific Swimming	Western Zone	USA
Free 50 M	32.83		16	06/26/2025	BB	A: 30.89 (+1.94s \| 5.9%)	Rankings	Rankings	Rankings	Rankings

Free 100 M	1:16.24	Analysis	16	06/26/2025	B	BB: 1:12.79 (+3.45s \| 4.5%)	Rankings	Rankings	Rankings	Rankings

Back 50 M	43.96		16	06/26/2025		B: 41.19 (+2.77s \| 6.3%)	Rankings	Rankings	Rankings	Rankings

Breast 50 M	45.40		16	06/26/2025	B	BB: 42.89 (+2.51s \| 5.5%)	Rankings	Rankings	Rankings	Rankings

Fly 50 M	38.32		16	06/26/2025	B	BB: 36.19 (+2.13s \| 5.6%)	Rankings	Rankings	Rankings	Rankings

Above are the fastest times that Sienna Johnson 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
Got the Bonus time standard (extra events for qualified swimmers)

Short Course Distance

Event	Best Time	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	25.07	24.99 (+0.08s \| 0.3%)	29.49	27.29	26.09	24.89 (+0.18s \| 0.7%) 25.69	23.89 (+1.18s \| 4.7%)	23.89 (+1.18s \| 4.7%)	23.29 (+1.78s \| 7.1%)	22.49 (+2.58s \| 10.3%)	22.79 (+2.28s \| 9.1%)
Free 100 Y	57.11	54.79 (+2.32s \| 4.1%)	1:03.79	58.89	56.49 (+0.62s \| 1.1%)	53.99 (+3.12s \| 5.5%) 55.49 (+1.62s \| 2.8%)	51.89 (+5.22s \| 9.1%)	51.89 (+5.22s \| 9.1%)	50.39 (+6.72s \| 11.8%)	48.99 (+8.12s \| 14.2%)	49.69 (+7.42s \| 13.0%)
Free 500 Y	6:19.57	5:18.79 (+60.78s \| 16.0%)	6:12.39 (+7.18s \| 1.9%)	5:43.69 (+35.88s \| 9.5%)	5:29.39 (+50.18s \| 13.2%)	5:10.69 (+68.88s \| 18.1%) 5:19.49 (+60.08s \| 15.8%)	5:02.59 (+76.98s \| 20.3%)	5:02.59 (+76.98s \| 20.3%)	4:53.59 (+85.98s \| 22.7%)	4:44.49 (+95.08s \| 25.0%)	4:48.09 (+91.48s \| 24.1%)
Back 50 Y	36.62	27.69 (+8.93s \| 24.4%)	N/A	N/A	N/A	27.59 (+9.03s \| 24.7%) 28.29 (+8.33s \| 22.7%)	N/A	N/A	N/A	24.39 (+12.23s \| 33.4%)	N/A
Breast 50 Y	40.98	32.29 (+8.69s \| 21.2%)	N/A	N/A	N/A	30.99 (+9.99s \| 24.4%) 31.89 (+9.09s \| 22.2%)	N/A	N/A	N/A	27.99 (+12.99s \| 31.7%)	N/A
Fly 50 Y	31.79	27.29 (+4.50s \| 14.2%)	N/A	N/A	N/A	27.09 (+4.70s \| 14.8%) 27.69 (+4.10s \| 12.9%)	N/A	N/A	N/A	24.09 (+7.70s \| 24.2%)	N/A
Fly 100 Y	1:11.33	59.59 (+11.74s \| 16.5%)	1:09.09 (+2.24s \| 3.1%)	1:03.79 (+7.54s \| 10.6%)	1:01.09 (+10.24s \| 14.4%)	59.19 (+12.14s \| 17.0%) 1:00.89 (+10.44s \| 14.6%)	56.59 (+14.74s \| 20.7%)	56.59 (+14.74s \| 20.7%)	54.69 (+16.64s \| 23.3%)	52.79 (+18.54s \| 26.0%)	53.99 (+17.34s \| 24.3%)

Long Course Distance

Event	Best Time	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	U.S. Olympic Team Trials
Free 50 M	32.83	28.99 (+3.84s \| 11.7%)	33.49	30.89 (+1.94s \| 5.9%)	29.59 (+3.24s \| 9.9%)	28.69 (+4.14s \| 12.6%) 29.49 (+3.34s \| 10.2%)	27.39 (+5.44s \| 16.6%)	27.39 (+5.44s \| 16.6%)	26.89 (+5.94s \| 18.1%)	26.19 (+6.64s \| 20.2%)	26.59 (+6.24s \| 19.0%)	25.69 (+7.14s \| 21.7%)
Free 100 M	1:16.24	1:02.59 (+13.65s \| 17.9%)	1:12.79 (+3.45s \| 4.5%)	1:07.19 (+9.05s \| 11.9%)	1:04.39 (+11.85s \| 15.5%)	1:01.89 (+14.35s \| 18.8%) 1:03.69 (+12.55s \| 16.5%)	59.29 (+16.95s \| 22.2%)	59.29 (+16.95s \| 22.2%)	58.19 (+18.05s \| 23.7%)	56.79 (+19.45s \| 25.5%)	57.59 (+18.65s \| 24.5%)	55.79 (+20.45s \| 26.8%)
Back 50 M	43.96	32.39 (+11.57s \| 26.3%)	N/A	N/A	N/A	32.39 (+11.57s \| 26.3%) 32.89 (+11.07s \| 25.2%)	N/A	N/A	N/A	29.19 (+14.77s \| 33.6%)	N/A	28.89 (+15.07s \| 34.3%)
Breast 50 M	45.40	36.29 (+9.11s \| 20.1%)	N/A	N/A	N/A	36.59 (+8.81s \| 19.4%) 37.09 (+8.31s \| 18.3%)	N/A	N/A	N/A	33.19 (+12.21s \| 26.9%)	N/A	32.09 (+13.31s \| 29.3%)
Fly 50 M	38.32	30.69 (+7.63s \| 19.9%)	N/A	N/A	N/A	31.19 (+7.13s \| 18.6%) 31.59 (+6.73s \| 17.6%)	N/A	N/A	N/A	28.19 (+10.13s \| 26.4%)	N/A	26.99 (+11.33s \| 29.6%)

Progression

See how Sienna Johnson 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.

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Meets

See all the meets Sienna Johnson 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

DAL Championships 2026

04/30/2026

Moraga

50 Y Free

25.07

-2.48s (New PB)

BB

A: 24.19 (+0.88s | 3.5%)

16

100 Y Free

57.11

-4.76s (New PB)

BB

A: 53.19 (+3.92s | 6.9%)

16

50 Free

27.74

100 Free

29.37

57.11

100 Free

57.11

2025 Sea King Dist II 4A Girls HS OB

11/06/2025

Renton

100 Y Free

1:01.87

BB

A: 58.89 (+2.98s | 4.8%)

15

50 Free

30.37

100 Free

31.50

1:01.87

100 Free

1:01.87

50 Y Free

27.55

-0.14s (New PB)

BB

A: 27.29 (+0.26s | 0.9%)

15

2025 Metro League (Sea King Dist II) Girl OB

10/31/2025

Snohomish

50 Y Free

27.69

-1.17s (New PB)

BB

A: 27.29 (+0.40s | 1.4%)

15

500 Y Free

6:19.57

B

BB: 6:12.39 (+7.18s | 1.9%)

15

50 Free

34.76

100 Free

38.10

1:12.86

100 Free

1:12.86

150 Free

38.35

1:51.21

200 Free

39.21

2:30.42

100 Free

1:17.56

250 Free

39.20

3:09.62

300 Free

38.40

3:48.02

100 Free

1:17.60

350 Free

38.49

4:26.51

400 Free

39.42

5:05.93

100 Free

1:17.91

450 Free

38.44

5:44.37

500 Free

35.20

6:19.57

100 Free

1:13.64

2025 PN CSC 104th Annual Senior Seattle Open

06/26/2025

Seattle

50 M Free

32.83

BB

A: 30.89 (+1.94s | 5.9%)

15

1

3

4

100 M Free

1:16.24

B

BB: 1:12.79 (+3.45s | 4.5%)

15

1

6

50 M Back

43.96

B: 41.19 (+2.77s | 6.3%)

15

1

6

7

50 M Breast

45.40

BB: 42.89 (+2.51s | 5.5%)

15

1

6

50 M Fly

38.32

BB: 36.19 (+2.13s | 5.6%)

15

1

3

6

2025 PN CSC Winter Invitational

01/11/2025

Snohomish

50 Y Fly

31.79

A: 30.69 (+1.10s | 3.5%)

14

2

4

2

50 Y Free

29.05

+0.19s

BB

A: 27.89 (+1.16s | 4.0%)

14

2

6

8

50 Y Back

36.62

B: 36.19 (+0.43s | 1.2%)

14

2

7

50 Y Breast

40.98

BB: 39.09 (+1.89s | 4.6%)

14

2

6

8

2024 PN Sea King DisII 3A Girls HS Champs

11/07/2024

Mercer Island

100 Y Fly

1:14.80

+3.47s

B

BB: 1:11.29 (+3.51s | 4.7%)

14

50 Fly

36.54

100 Fly

38.26

1:14.80

100 Fly

1:14.80

2024 Metro League Girls HS Swimming Champs OB

11/01/2024

Snohomish

50 Y Free

28.86

BB

A: 27.89 (+0.97s | 3.4%)

14

100 Y Fly

1:11.33

B

BB: 1:11.29 (+0.04s | 0.1%)

14

2

8

6

50 Fly

33.64

100 Fly

37.69

1:11.33

100 Fly

1:11.33