Sienna Cho

Age: 15 years old
Age Category: 15-16
Team: Asphalt Green Unified Aquatics | Metropolitan Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Asphalt Green Unified Aquatics

Metropolitan Swimming

Eastern Zone

USA

Free 50 Y

26.21

01/17/2026

AA: 26.09 (+0.12s | 0.5%)

661

1,000+

Free 100 Y

53.78

Analysis

02/12/2026

AAA

AAAA: 51.59 (+2.19s | 4.1%)

141

633

Free 200 Y

1:55.88

Analysis

02/12/2026

AAA

AAAA: 1:51.79 (+4.09s | 3.5%)

136

521

50 Free

26.85

100 Free

29.16

56.01

100 Free

56.01

150 Free

29.91

1:25.92

200 Free

29.96

1:55.88

100 Free

59.87

Free 500 Y

5:09.18

Analysis

01/17/2026

AAA

AAAA: 5:00.79 (+8.39s | 2.7%)

103

358

50 Free

28.32

100 Free

29.74

58.06

100 Free

58.06

150 Free

30.40

1:28.46

200 Free

30.90

1:59.36

100 Free

1:01.30

250 Free

31.05

2:30.41

300 Free

31.50

3:01.91

100 Free

1:02.55

350 Free

31.93

3:33.84

400 Free

32.36

4:06.20

100 Free

1:04.29

450 Free

31.84

4:38.04

500 Free

31.14

5:09.18

100 Free

1:02.98

Free 1000 Y

10:25.73

Analysis

02/12/2026

AAA

AAAA: 10:24.69 (+1.04s | 0.2%)

134

50 Free

28.24

100 Free

30.34

58.58

100 Free

58.58

150 Free

31.21

1:29.79

200 Free

31.45

2:01.24

100 Free

1:02.66

250 Free

31.44

2:32.68

300 Free

31.76

3:04.45

100 Free

1:03.21

350 Free

30.95

3:35.40

400 Free

31.53

4:06.93

100 Free

1:02.48

450 Free

31.61

4:38.54

500 Free

31.46

5:10.00

100 Free

1:03.07

550 Free

31.18

5:41.18

600 Free

30.92

6:12.10

100 Free

1:02.10

650 Free

31.92

6:44.02

700 Free

31.61

7:15.63

100 Free

1:03.53

750 Free

31.96

7:47.59

800 Free

31.82

8:19.41

100 Free

1:03.78

850 Free

31.99

8:51.40

900 Free

31.88

9:23.28

100 Free

1:03.87

950 Free

31.72

9:55.00

1000 Free

30.73

10:25.73

100 Free

1:02.45

Back 50 Y

27.82

02/12/2026

362

Back 100 Y

58.92

Analysis

02/12/2026

AAA: 58.69 (+0.23s | 0.4%)

101

425

50 Back

28.73

100 Back

30.19

58.92

100 Back

58.92

Back 200 Y

2:03.04

Analysis

02/12/2026

AAA

AAAA: 2:01.69 (+1.35s | 1.1%)

131

50 Back

29.44

100 Back

31.38

1:00.82

100 Back

1:00.82

150 Back

30.87

1:31.69

200 Back

31.35

2:03.04

100 Back

1:02.22

Breast 100 Y

1:09.01

Analysis

03/07/2026

AAA: 1:07.49 (+1.52s | 2.2%)

186

696

50 Breast

33.12

100 Breast

35.89

1:09.01

100 Breast

1:09.01

Fly 50 Y

27.42

01/17/2026

157

600

Fly 100 Y

59.54

Analysis

03/07/2026

AAA: 58.39 (+1.15s | 1.9%)

176

703

50 Fly

28.04

100 Fly

31.50

59.54

100 Fly

59.54

Fly 200 Y

2:16.90

Analysis

01/17/2026

AA: 2:16.19 (+0.71s | 0.5%)

222

749

50 Fly

28.92

100 Fly

32.86

1:01.78

100 Fly

1:01.78

150 Fly

35.59

1:37.37

200 Fly

39.53

2:16.90

100 Fly

1:15.12

IM 200 Y

2:08.29

Analysis

02/12/2026

AAA

AAAA: 2:04.59 (+3.70s | 2.9%)

281

50 Fly

28.55

100 Back

32.13

1:00.68

100 IM

1:00.68

150 Breast

38.33

1:39.01

200 Free

29.28

2:08.29

100 IM

1:07.61

IM 400 Y

4:28.33

Analysis

02/12/2026

AAA

AAAA: 4:26.29 (+2.04s | 0.8%)

135

50 Fly

28.65

100 Fly

33.00

1:01.65

100 Fly

1:01.65

150 Back

34.23

1:35.88

200 Back

34.31

2:10.19

100 Back

1:08.54

250 Breast

38.88

2:49.07

300 Breast

39.21

3:28.28

100 Breast

1:18.09

350 Free

30.11

3:58.39

400 Free

29.94

4:28.33

100 Free

1:00.05

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Asphalt Green Unified Aquatics

Metropolitan Swimming

Eastern Zone

USA

Free 50 M

29.48

08/06/2025

AAA: 28.29 (+1.19s | 4.0%)

277

1,000+

Free 100 M

59.78

Analysis

06/17/2026

AAA

AAAA: 58.79 (+0.99s | 1.7%)

177

Free 200 M

2:06.60

Analysis

06/17/2026

AAAA

100 Free

1:01.24

100 Free

1:01.24

200 Free

1:05.36

2:06.60

100 Free

1:05.36

Free 800 M

9:16.58

Analysis

06/17/2026

AAA

AAAA: 9:13.29 (+3.29s | 0.6%)

100 Free

1:06.53

100 Free

1:06.53

200 Free

1:09.70

2:16.23

100 Free

1:09.70

300 Free

1:10.10

3:26.33

100 Free

1:10.10

400 Free

1:10.44

4:36.77

100 Free

1:10.44

500 Free

1:10.58

5:47.35

100 Free

1:10.58

600 Free

1:10.82

6:58.17

100 Free

1:10.82

700 Free

1:10.03

8:08.20

100 Free

1:10.03

800 Free

1:08.38

9:16.58

100 Free

1:08.38

Back 50 M

32.65

08/06/2025

404

Back 100 M

1:07.67

Analysis

06/17/2026

AAA

AAAA: 1:05.19 (+2.48s | 3.7%)

224

Back 200 M

2:22.52

Analysis

06/17/2026

AAA

AAAA: 2:20.09 (+2.43s | 1.7%)

Breast 50 M

36.95

08/06/2025

397

Fly 100 M

1:10.88

Analysis

08/06/2025

AA: 1:09.29 (+1.59s | 2.2%)

197

1,000+

50 Fly

33.06

100 Fly

37.82

1:10.88

100 Fly

1:10.88

IM 200 M

2:24.02

Analysis

06/17/2026

AAA

AAAA: 2:23.39 (+0.63s | 0.4%)

IM 400 M

5:09.58

Analysis

06/17/2026

AAA

AAAA: 5:03.59 (+5.99s | 1.9%)

116

50 Fly

31.92

100 Fly

37.12

1:09.04

100 Fly

1:09.04

150 Back

42.62

1:51.66

200 Back

40.84

2:32.50

100 Back

1:23.46

250 Breast

45.15

3:17.65

300 Breast

45.08

4:02.73

100 Breast

1:30.23

350 Free

33.62

4:36.35

400 Free

33.23

5:09.58

100 Free

1:06.85

Above are the fastest times that Sienna Cho 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 50 Y	26.21	24.89 (+1.32s \| 5.0%)	23.89 (+2.32s \| 8.9%)	23.89 (+2.32s \| 8.9%)	23.29 (+2.92s \| 11.1%)	22.59 (+3.62s \| 13.8%)	22.79 (+3.42s \| 13.0%)
Free 100 Y	53.78	53.99	51.89 (+1.89s \| 3.5%)	51.89 (+1.89s \| 3.5%)	50.39 (+3.39s \| 6.3%)	49.29 (+4.49s \| 8.3%)	49.69 (+4.09s \| 7.6%)
Free 200 Y	1:55.88	1:56.29	1:52.89 (+2.99s \| 2.6%)	1:52.29 (+3.59s \| 3.1%)	1:49.09 (+6.79s \| 5.9%)	1:46.69 (+9.19s \| 7.9%)	1:47.39 (+8.49s \| 7.3%)
Free 500 Y	5:09.18	5:10.69	5:02.59 (+6.59s \| 2.1%)	5:02.59 (+6.59s \| 2.1%)	4:53.09 (+16.09s \| 5.2%)	4:45.99 (+23.19s \| 7.5%)	4:48.09 (+21.09s \| 6.8%)
Free 1000 Y	10:25.73	10:39.89	10:20.49 (+5.24s \| 0.8%)	10:20.49 (+5.24s \| 0.8%)	10:08.19 (+17.54s \| 2.8%)	9:52.49 (+33.24s \| 5.3%)	9:56.79 (+28.94s \| 4.6%)
Back 50 Y	27.82	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	58.92	59.49	57.09 (+1.83s \| 3.1%)	57.09 (+1.83s \| 3.1%)	55.09 (+3.83s \| 6.5%)	53.89 (+5.03s \| 8.5%)	54.49 (+4.43s \| 7.5%)
Back 200 Y	2:03.04	2:08.59	2:04.19	2:04.19	1:59.39 (+3.65s \| 3.0%)	1:56.59 (+6.45s \| 5.2%)	1:57.69 (+5.35s \| 4.3%)
Breast 100 Y	1:09.01	1:07.59 (+1.42s \| 2.1%)	1:05.49 (+3.52s \| 5.1%)	1:05.49 (+3.52s \| 5.1%)	1:03.09 (+5.92s \| 8.6%)	1:01.79 (+7.22s \| 10.5%)	1:02.79 (+6.22s \| 9.0%)
Fly 50 Y	27.42	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 Y	59.54	59.19 (+0.35s \| 0.6%)	56.59 (+2.95s \| 5.0%)	56.59 (+2.95s \| 5.0%)	54.69 (+4.85s \| 8.1%)	53.49 (+6.05s \| 10.2%)	53.99 (+5.55s \| 9.3%)
Fly 200 Y	2:16.90	2:10.09 (+6.81s \| 5.0%)	2:05.39 (+11.51s \| 8.4%)	2:05.39 (+11.51s \| 8.4%)	2:01.69 (+15.21s \| 11.1%)	1:58.59 (+18.31s \| 13.4%)	1:59.39 (+17.51s \| 12.8%)
IM 200 Y	2:08.29	2:10.49	2:06.39 (+1.90s \| 1.5%)	2:06.39 (+1.90s \| 1.5%)	2:02.19 (+6.10s \| 4.8%)	1:59.49 (+8.80s \| 6.9%)	2:00.59 (+7.70s \| 6.0%)
IM 400 Y	4:28.33	4:39.09	4:30.69	4:30.69	4:21.69 (+6.64s \| 2.5%)	4:13.69 (+14.64s \| 5.5%)	4:15.19 (+13.14s \| 4.9%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	29.48	28.69 (+0.79s \| 2.7%)	27.39 (+2.09s \| 7.1%)	27.39 (+2.09s \| 7.1%)	26.89 (+2.59s \| 8.8%)	26.29 (+3.19s \| 10.8%)	26.59 (+2.89s \| 9.8%)
Free 100 M	59.78	1:01.89	59.29 (+0.49s \| 0.8%)	59.29 (+0.49s \| 0.8%)	58.19 (+1.59s \| 2.7%)	56.99 (+2.79s \| 4.7%)	57.59 (+2.19s \| 3.7%)
Free 200 M	2:06.60	2:12.99	2:07.79	2:07.79	2:04.99 (+1.61s \| 1.3%)	2:03.09 (+3.51s \| 2.8%)	2:04.29 (+2.31s \| 1.8%)
Free 800 M	9:16.58	9:36.09	9:13.79 (+2.79s \| 0.5%)	9:13.79 (+2.79s \| 0.5%)	9:04.09 (+12.49s \| 2.2%)	8:52.89 (+23.69s \| 4.3%)	8:58.69 (+17.89s \| 3.2%)
Back 50 M	32.65	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 M	1:07.67	1:09.49	1:06.79 (+0.88s \| 1.3%)	1:06.79 (+0.88s \| 1.3%)	1:04.79 (+2.88s \| 4.3%)	1:03.69 (+3.98s \| 5.9%)	1:04.39 (+3.28s \| 4.8%)
Back 200 M	2:22.52	2:29.19	2:23.99	2:23.99	2:19.59 (+2.93s \| 2.1%)	2:16.99 (+5.53s \| 3.9%)	2:18.29 (+4.23s \| 3.0%)
Breast 50 M	36.95	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 M	1:10.88	1:07.19 (+3.69s \| 5.2%)	1:04.69 (+6.19s \| 8.7%)	1:04.69 (+6.19s \| 8.7%)	1:02.69 (+8.19s \| 11.6%)	1:01.69 (+9.19s \| 13.0%)	1:02.39 (+8.49s \| 12.0%)
IM 200 M	2:24.02	2:31.09	2:26.19	2:26.19	2:22.09 (+1.93s \| 1.3%)	2:19.49 (+4.53s \| 3.1%)	2:20.99 (+3.03s \| 2.1%)
IM 400 M	5:09.58	5:20.09	5:07.29 (+2.29s \| 0.7%)	5:07.29 (+2.29s \| 0.7%)	5:00.29 (+9.29s \| 3.0%)	4:55.29 (+14.29s \| 4.6%)	4:57.29 (+12.29s \| 4.0%)

Progression

See how Sienna Cho 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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View this profile

Meets

See all the meets Sienna Cho 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

Swim Fort Lauderdale Speedo Summer Classic 26

06/17/2026

Fort Lauderdale

100 M Free

59.78

AAA

AAAA: 58.79 (+0.99s | 1.7%)

800 M Free

9:16.58

AAA

AAAA: 9:13.29 (+3.29s | 0.6%)

100 Free

1:06.53

100 Free

1:06.53

200 Free

1:09.70

2:16.23

100 Free

1:09.70

300 Free

1:10.10

3:26.33

100 Free

1:10.10

400 Free

1:10.44

4:36.77

100 Free

1:10.44

500 Free

1:10.58

5:47.35

100 Free

1:10.58

600 Free

1:10.82

6:58.17

100 Free

1:10.82

700 Free

1:10.03

8:08.20

100 Free

1:10.03

800 Free

1:08.38

9:16.58

100 Free

1:08.38

200 M IM

2:24.02

-6.48s (New PB)

AAA

AAAA: 2:23.39 (+0.63s | 0.4%)

400 M IM

5:09.58

-15.19s (New PB)

AAA

AAAA: 5:03.59 (+5.99s | 1.9%)

50 Fly

31.92

100 Fly

37.12

1:09.04

100 Fly

1:09.04

150 Back

42.62

1:51.66

200 Back

40.84

2:32.50

100 Back

1:23.46

250 Breast

45.15

3:17.65

300 Breast

45.08

4:02.73

100 Breast

1:30.23

350 Free

33.62

4:36.35

400 Free

33.23

5:09.58

100 Free

1:06.85

200 M Free

2:06.60

AAAA

100 Free

1:01.24

100 Free

1:01.24

200 Free

1:05.36

2:06.60

100 Free

1:05.36

100 M Back

1:07.67

-1.17s (New PB)

AAA

AAAA: 1:05.19 (+2.48s | 3.7%)

200 M Back

2:22.52

-4.60s (New PB)

AAA

AAAA: 2:20.09 (+2.43s | 1.7%)

2026 MR AGUA Last Chance Invitational

03/07/2026

New York City

100 Y Breast

1:09.01

AAA: 1:07.49 (+1.52s | 2.2%)

50 Breast

33.12

100 Breast

35.89

1:09.01

100 Breast

1:09.01

100 Y Fly

59.54

-1.39s (New PB)

AAA: 58.39 (+1.15s | 1.9%)

50 Fly

28.04

100 Fly

31.50

59.54

100 Fly

59.54

2026 MR TYR Senior Mets Winter Championship

02/12/2026

East Meadow

100 Y Back

58.92

-1.06s (New PB)

AAA: 58.69 (+0.23s | 0.4%)

50 Back

28.73

100 Back

30.19

58.92

100 Back

58.92

50 Y Back

27.82

-0.54s (New PB)

400 Y IM

4:28.33

AAA

AAAA: 4:26.29 (+2.04s | 0.8%)

50 Fly

28.65

100 Fly

33.00

1:01.65

100 Fly

1:01.65

150 Back

34.23

1:35.88

200 Back

34.31

2:10.19

100 Back

1:08.54

250 Breast

38.88

2:49.07

300 Breast

39.21

3:28.28

100 Breast

1:18.09

350 Free

30.11

3:58.39

400 Free

29.94

4:28.33

100 Free

1:00.05

200 Y IM

2:08.29

AAA

AAAA: 2:04.59 (+3.70s | 2.9%)

50 Fly

28.55

100 Back

32.13

1:00.68

100 IM

1:00.68

150 Breast

38.33

1:39.01

200 Free

29.28

2:08.29

100 IM

1:07.61

200 Y Free

1:55.88

AAA

AAAA: 1:51.79 (+4.09s | 3.5%)

50 Free

26.85

100 Free

29.16

56.01

100 Free

56.01

150 Free

29.91

1:25.92

200 Free

29.96

1:55.88

100 Free

59.87

1000 Y Free

10:25.73

AAA

AAAA: 10:24.69 (+1.04s | 0.2%)

50 Free

28.24

100 Free

30.34

58.58

100 Free

58.58

150 Free

31.21

1:29.79

200 Free

31.45

2:01.24

100 Free

1:02.66

250 Free

31.44

2:32.68

300 Free

31.76

3:04.45

100 Free

1:03.21

350 Free

30.95

3:35.40

400 Free

31.53

4:06.93

100 Free

1:02.48

450 Free

31.61

4:38.54

500 Free

31.46

5:10.00

100 Free

1:03.07

550 Free

31.18

5:41.18

600 Free

30.92

6:12.10

100 Free

1:02.10

650 Free

31.92

6:44.02

700 Free

31.61

7:15.63

100 Free

1:03.53

750 Free

31.96

7:47.59

800 Free

31.82

8:19.41

100 Free

1:03.78

850 Free

31.99

8:51.40

900 Free

31.88

9:23.28

100 Free

1:03.87

950 Free

31.72

9:55.00

1000 Free

30.73

10:25.73

100 Free

1:02.45

100 Y Free

53.78

-1.44s (New PB)

AAA

AAAA: 51.59 (+2.19s | 4.1%)

200 Y Back

2:03.04

AAA

AAAA: 2:01.69 (+1.35s | 1.1%)

50 Back

29.44

100 Back

31.38

1:00.82

100 Back

1:00.82

150 Back

30.87

1:31.69

200 Back

31.35

2:03.04

100 Back

1:02.22

2026 MR AGUA MLK Invitational

01/17/2026

New York City

50 Y Fly

27.42

100 Y Free

55.22

AAA: 53.99 (+1.23s | 2.2%)

50 Free

26.77

100 Free

28.45

55.22

100 Free

55.22

100 Y Fly

1:00.93

-0.46s (New PB)

AAA: 58.39 (+2.54s | 4.2%)

50 Fly

28.54

100 Fly

32.39

1:00.93

100 Fly

1:00.93

200 Y Fly

2:16.90

AA: 2:16.19 (+0.71s | 0.5%)

50 Fly

28.92

100 Fly

32.86

1:01.78

100 Fly

1:01.78

150 Fly

35.59

1:37.37

200 Fly

39.53

2:16.90

100 Fly

1:15.12

500 Y Free

5:09.18

-4.50s (New PB)

AAA

AAAA: 5:00.79 (+8.39s | 2.7%)

50 Free

28.32

100 Free

29.74

58.06

100 Free

58.06

150 Free

30.40

1:28.46

200 Free

30.90

1:59.36

100 Free

1:01.30

250 Free

31.05

2:30.41

300 Free

31.50

3:01.91

100 Free

1:02.55

350 Free

31.93

3:33.84

400 Free

32.36

4:06.20

100 Free

1:04.29

450 Free

31.84

4:38.04

500 Free

31.14

5:09.18

100 Free

1:02.98

50 Y Free

26.21

AA: 26.09 (+0.12s | 0.5%)

50 Y Back

28.36

100 Y Back

59.98

AAA: 58.69 (+1.29s | 2.2%)

50 Back

29.12

100 Back

30.86

59.98

100 Back

59.98

2025 MR AGUA Season Starter Invitational

10/11/2025

New York City

100 Y Fly

1:01.39

AA: 1:01.09 (+0.30s | 0.5%)

50 Fly

29.39

100 Fly

32.00

1:01.39

100 Fly

1:01.39

100 Y IM

1:01.44

50 IM

29.10

100 IM

32.34

1:01.44

100 IM

1:01.44

500 Y Free

5:13.68

AAA

AAAA: 5:00.79 (+12.89s | 4.1%)

50 Free

28.61

100 Free

30.03

58.64

100 Free

58.64

150 Free

31.42

1:30.06

200 Free

31.66

2:01.72

100 Free

1:03.08

250 Free

31.75

2:33.47

300 Free

32.09

3:05.56

100 Free

1:03.84

350 Free

32.65

3:38.21

400 Free

32.42

4:10.63

100 Free

1:05.07

450 Free

32.07

4:42.70

500 Free

30.98

5:13.68

100 Free

1:03.05

2025 Summer Elite Showcase

08/06/2025

St. Petersburg

100 M Fly

1:10.88

AAA: 1:08.59 (+2.29s | 3.2%)

50 Fly

33.06

100 Fly

37.82

1:10.88

100 Fly

1:10.88

50 M Back

32.65

50 M Free

29.48

AAA: 29.29 (+0.19s | 0.6%)

200 M IM

2:30.50

AAA

AAAA: 2:27.89 (+2.61s | 1.7%)

50 Fly

32.02

100 Back

38.57

1:10.59

100 IM

1:10.59

150 Breast

45.34

1:55.93

200 Free

34.57

2:30.50

100 IM

1:19.91

400 M IM

5:24.77

AAA

AAAA: 5:13.49 (+11.28s | 3.5%)

50 Fly

34.46

100 Fly

39.75

1:14.21

100 Fly

1:14.21

150 Back

43.27

1:57.48

200 Back

40.98

2:38.46

100 Back

1:24.25

250 Breast

47.98

3:26.44

300 Breast

47.96

4:14.40

100 Breast

1:35.94

350 Free

35.47

4:49.87

400 Free

34.90

5:24.77

100 Free

1:10.37

100 M Back

1:08.84

AAA

AAAA: 1:07.29 (+1.55s | 2.3%)

50 Back

34.04

100 Back

34.80

1:08.84

100 Back

1:08.84

50 M Breast

36.95

200 M Back

2:27.12

AAA

AAAA: 2:24.99 (+2.13s | 1.4%)

50 Back

34.50

100 Back

37.05

1:11.55

100 Back

1:11.55

150 Back

37.94

1:49.49

200 Back

37.63

2:27.12

100 Back

1:15.57

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