SIENA CHEN

Age: 15 years old
Age Category: 15-16
Team: Rancho San Dieguito | San Diego-Imperial Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

San Diego-Imperial Swimming

Rancho San Dieguito

Free 50 Y

25.06

05/17/2025

A: 24.19 (+0.87s | 3.5%)

Free 100 Y

55.55

09/20/2025

A: 53.19 (+2.36s | 4.2%)

50 Free

27.33

100 Free

28.22

55.55

100 Free

55.55

Back 100 Y

1:01.24

05/17/2025

A: 57.89 (+3.35s | 5.5%)

50 Back

29.94

100 Back

31.30

1:01.24

100 Back

1:01.24

Breast 100 Y

1:11.24

10/24/2025

A: 1:05.89 (+5.35s | 7.5%)

50 Breast

33.84

100 Breast

37.40

1:11.24

100 Breast

1:11.24

Fly 100 Y

1:04.82

01/18/2025

BB: 1:02.39 (+2.43s | 3.7%)

50 Fly

30.00

100 Fly

34.82

1:04.82

100 Fly

1:04.82

IM 200 Y

2:22.94

11/02/2024

BB: 2:20.19 (+2.75s | 1.9%)

50 Fly

29.91

100 Back

34.98

1:04.89

100 IM

1:04.89

150 Breast

45.45

1:50.34

200 Free

32.60

2:22.94

100 IM

1:18.05

Long course distance

Event

Time

Age

Date

Standard

Next Standard

San Diego-Imperial Swimming

Rancho San Dieguito

Free 50 M

28.15

06/20/2025

AA: 26.99 (+1.16s | 4.1%)

Free 100 M

1:02.62

06/20/2025

A: 1:01.49 (+1.13s | 1.8%)

50 Free

31.15

100 Free

31.47

1:02.62

100 Free

1:02.62

Back 100 M

1:11.40

06/20/2025

A: 1:07.99 (+3.41s | 4.8%)

50 Back

35.03

100 Back

36.37

1:11.40

100 Back

1:11.40

Above are the fastest times that SIENA CHEN has achieved in her swimming career. For each event, you can find SIENA's best time, the corresponding time standard, as well as how much faster SIENA needs to be to reach the next level. The last columns provide SIENA rankings at the team and LSC levels. These rankings are based on the SIENA'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	25.06	24.89 (+0.17s \| 0.7%)	23.89 (+1.17s \| 4.7%)	23.89 (+1.17s \| 4.7%)	23.29 (+1.77s \| 7.1%)	22.59 (+2.47s \| 9.9%)	22.79 (+2.27s \| 9.1%)
Free 100 Y	55.55	53.99 (+1.56s \| 2.8%)	51.89 (+3.66s \| 6.6%)	51.89 (+3.66s \| 6.6%)	50.39 (+5.16s \| 9.3%)	49.29 (+6.26s \| 11.3%)	49.69 (+5.86s \| 10.5%)
Back 100 Y	1:01.24	59.49 (+1.75s \| 2.9%)	57.09 (+4.15s \| 6.8%)	57.09 (+4.15s \| 6.8%)	55.09 (+6.15s \| 10.0%)	53.89 (+7.35s \| 12.0%)	54.49 (+6.75s \| 11.0%)
Breast 100 Y	1:11.24	1:07.59 (+3.65s \| 5.1%)	1:05.49 (+5.75s \| 8.1%)	1:05.49 (+5.75s \| 8.1%)	1:03.09 (+8.15s \| 11.4%)	1:01.79 (+9.45s \| 13.3%)	1:02.79 (+8.45s \| 11.9%)
Fly 100 Y	1:04.82	59.19 (+5.63s \| 8.7%)	56.59 (+8.23s \| 12.7%)	56.59 (+8.23s \| 12.7%)	54.69 (+10.13s \| 15.6%)	53.49 (+11.33s \| 17.5%)	53.99 (+10.83s \| 16.7%)
IM 200 Y	2:22.94	2:10.49 (+12.45s \| 8.7%)	2:06.39 (+16.55s \| 11.6%)	2:06.39 (+16.55s \| 11.6%)	2:02.19 (+20.75s \| 14.5%)	1:59.49 (+23.45s \| 16.4%)	2:00.59 (+22.35s \| 15.6%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	28.15	28.69	27.39 (+0.76s \| 2.7%)	27.39 (+0.76s \| 2.7%)	26.89 (+1.26s \| 4.5%)	26.29 (+1.86s \| 6.6%)	26.59 (+1.56s \| 5.5%)
Free 100 M	1:02.62	1:01.89 (+0.73s \| 1.2%)	59.29 (+3.33s \| 5.3%)	59.29 (+3.33s \| 5.3%)	58.19 (+4.43s \| 7.1%)	56.99 (+5.63s \| 9.0%)	57.59 (+5.03s \| 8.0%)
Back 100 M	1:11.40	1:09.49 (+1.91s \| 2.7%)	1:06.79 (+4.61s \| 6.5%)	1:06.79 (+4.61s \| 6.5%)	1:04.79 (+6.61s \| 9.3%)	1:03.69 (+7.71s \| 10.8%)	1:04.39 (+7.01s \| 9.8%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 SI JBST ALL AGES A BB MEET

10/24/2025

La Jolla

100 Y Breast

1:11.24

-1.15s (New PB)

A: 1:05.89 (+5.35s | 7.5%)

50 Breast

33.84

100 Breast

37.40

1:11.24

100 Breast

1:11.24

50 Y Free

25.45

+0.39s

A: 24.19 (+1.26s | 5.0%)

100 Y Free

55.78

+0.23s

A: 53.19 (+2.59s | 4.6%)

50 Free

27.02

100 Free

28.76

55.78

100 Free

55.78

100 Y Back

1:03.42

+2.18s

BB: 1:02.69 (+0.73s | 1.2%)

50 Back

30.47

100 Back

32.95

1:03.42

100 Back

1:03.42

2025 SI PS Freestyle Festival Sat

09/20/2025

Poway

100 Y Free

55.55

-0.28s (New PB)

A: 53.19 (+2.36s | 4.2%)

50 Free

27.33

100 Free

28.22

55.55

100 Free

55.55

50 Y Free

25.31

+0.25s

A: 24.19 (+1.12s | 4.4%)

2025 SI SPLASH AND DASH

06/20/2025

Oceanside

100 M Back

1:11.40

A: 1:07.99 (+3.41s | 4.8%)

50 Back

35.03

100 Back

36.37

1:11.40

100 Back

1:11.40

50 M Free

28.15

AA: 26.99 (+1.16s | 4.1%)

100 M Free

1:02.62

A: 1:01.49 (+1.13s | 1.8%)

50 Free

31.15

100 Free

31.47

1:02.62

100 Free

1:02.62

2025 SI SBA NTS Meet

05/17/2025

Chula Vista

100 Y Back

1:01.24

-4.14s (New PB)

A: 57.89 (+3.35s | 5.5%)

50 Back

29.94

100 Back

31.30

1:01.24

100 Back

1:01.24

50 Y Free

25.06

-0.36s (New PB)

A: 24.19 (+0.87s | 3.5%)

2025 SI JBST NTS All Ages

03/15/2025

La Jolla

100 Y Free

57.95

+2.12s

BB: 57.59 (+0.36s | 0.6%)

200 Y IM

2:24.27

+1.33s

BB: 2:20.19 (+4.08s | 2.8%)

2025 SI SBA All Ages NTS Meet Feb 7 9

02/07/2025

Chula Vista

50 Y Free

25.42

-25.80s (New PB)

A: 24.19 (+1.23s | 4.8%)

100 Y Breast

1:12.39

BB: 1:11.39 (+1.00s | 1.4%)

50 Breast

34.07

100 Breast

38.32

1:12.39

100 Breast

1:12.39

2025 SI RSD All Ages NTS

01/18/2025

Solana Beach

100 Y Free

55.83

A: 55.69 (+0.14s | 0.3%)

50 Free

26.34

100 Free

29.49

55.83

100 Free

55.83

100 Y Fly

1:04.82

-1.09s (New PB)

A: 1:00.39 (+4.43s | 6.8%)

50 Fly

30.00

100 Fly

34.82

1:04.82

100 Fly

1:04.82

2024 SI SBA All Ages B C BB Max Meet Nov 2 3

11/02/2024

Chula Vista

100 Y Fly

1:05.91

-0.56s (New PB)

BB: 1:05.49 (+0.42s | 0.6%)

50 Fly

30.64

100 Fly

35.27

1:05.91

100 Fly

1:05.91

200 Y IM

2:22.94

A: 2:15.39 (+7.55s | 5.3%)

50 Fly

29.91

100 Back

34.98

1:04.89

100 IM

1:04.89

150 Breast

45.45

1:50.34

200 Free

32.60

2:22.94

100 IM

1:18.05

2024 SI SBA All Ages B C Meet Oct 12 13

10/12/2024

Chula Vista

100 Y Back

1:05.38

A: 1:01.09 (+4.29s | 6.6%)

50 Back

31.44

100 Back

33.94

1:05.38

100 Back

1:05.38

100 Y Fly

1:06.47

BB: 1:05.49 (+0.98s | 1.5%)

50 Fly

31.47

100 Fly

35.00

1:06.47

100 Fly

1:06.47

TYR-BAC Last Chance JOs

02/23/2019

San Mateo, CA

50 Y Free

51.22

-6.46s (New PB)

B: 39.79 (+11.43s | 22.3%)

50 Y Back

1:07.55

B: 48.59 (+18.96s | 28.1%)

South San Francisco Aquatic Club C/B/A+

01/12/2019

Pacifica, CA

50 Y Free

57.68

B: 39.79 (+17.89s | 31.0%)

25 Y Back

28.63

25 Y Breast

29.76

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 50 Y	25.06	24.89 (+0.17s \| 0.7%)	23.89 (+1.17s \| 4.7%)	23.89 (+1.17s \| 4.7%)	23.29 (+1.77s \| 7.1%)	22.59 (+2.47s \| 9.9%)	22.79 (+2.27s \| 9.1%)
Free 100 Y	55.55	53.99 (+1.56s \| 2.8%)	51.89 (+3.66s \| 6.6%)	51.89 (+3.66s \| 6.6%)	50.39 (+5.16s \| 9.3%)	49.29 (+6.26s \| 11.3%)	49.69 (+5.86s \| 10.5%)
Back 100 Y	1:01.24	59.49 (+1.75s \| 2.9%)	57.09 (+4.15s \| 6.8%)	57.09 (+4.15s \| 6.8%)	55.09 (+6.15s \| 10.0%)	53.89 (+7.35s \| 12.0%)	54.49 (+6.75s \| 11.0%)
Breast 100 Y	1:11.24	1:07.59 (+3.65s \| 5.1%)	1:05.49 (+5.75s \| 8.1%)	1:05.49 (+5.75s \| 8.1%)	1:03.09 (+8.15s \| 11.4%)	1:01.79 (+9.45s \| 13.3%)	1:02.79 (+8.45s \| 11.9%)
Fly 100 Y	1:04.82	59.19 (+5.63s \| 8.7%)	56.59 (+8.23s \| 12.7%)	56.59 (+8.23s \| 12.7%)	54.69 (+10.13s \| 15.6%)	53.49 (+11.33s \| 17.5%)	53.99 (+10.83s \| 16.7%)
IM 200 Y	2:22.94	2:10.49 (+12.45s \| 8.7%)	2:06.39 (+16.55s \| 11.6%)	2:06.39 (+16.55s \| 11.6%)	2:02.19 (+20.75s \| 14.5%)	1:59.49 (+23.45s \| 16.4%)	2:00.59 (+22.35s \| 15.6%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	28.15	28.69	27.39 (+0.76s \| 2.7%)	27.39 (+0.76s \| 2.7%)	26.89 (+1.26s \| 4.5%)	26.29 (+1.86s \| 6.6%)	26.59 (+1.56s \| 5.5%)
Free 100 M	1:02.62	1:01.89 (+0.73s \| 1.2%)	59.29 (+3.33s \| 5.3%)	59.29 (+3.33s \| 5.3%)	58.19 (+4.43s \| 7.1%)	56.99 (+5.63s \| 9.0%)	57.59 (+5.03s \| 8.0%)
Back 100 M	1:11.40	1:09.49 (+1.91s \| 2.7%)	1:06.79 (+4.61s \| 6.5%)	1:06.79 (+4.61s \| 6.5%)	1:04.79 (+6.61s \| 9.3%)	1:03.69 (+7.71s \| 10.8%)	1:04.39 (+7.01s \| 9.8%)