Yuna Cho

Age: 17 years old
Age Category: 17-18
Team: Bethesda-Chevy Chase YMCA | Potomac Valley Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Bethesda-Chevy Chase YMCA

Potomac Valley Swimming

Eastern Zone

USA

Free 50 Y

29.74

11/14/2025

BB: 29.09 (+0.65s | 2.2%)

Rankings

Free 100 Y

1:05.79

Analysis

11/22/2025

BB: 1:03.19 (+2.60s | 4.0%)

Rankings

Free 200 Y

2:34.34

Analysis

11/14/2025

B: 2:27.19 (+7.15s | 4.6%)

Rankings

50 Free

32.86

100 Free

38.17

1:11.03

100 Free

1:11.03

150 Free

41.72

1:52.75

200 Free

41.59

2:34.34

100 Free

1:23.31

Free 500 Y

7:35.36

Analysis

11/01/2025

B: 6:36.49 (+58.87s | 12.9%)

Rankings

50 Free

33.13

100 Free

39.03

1:12.16

100 Free

1:12.16

450 Free

5:35.37

6:47.53

500 Free

47.83

7:35.36

100 Free

6:23.20

Back 50 Y

35.41

01/10/2026

B: 34.59 (+0.82s | 2.3%)

Rankings

Back 200 Y

3:10.55

Analysis

02/01/2026

B: 2:38.79 (+31.76s | 16.7%)

Rankings

50 Back

42.99

100 Back

49.53

1:32.52

100 Back

1:32.52

150 Back

50.38

2:22.90

200 Back

47.65

3:10.55

100 Back

1:38.03

Breast 50 Y

39.15

11/14/2025

BB: 37.49 (+1.66s | 4.2%)

Rankings

Breast 100 Y

1:26.91

Analysis

11/14/2025

B: 1:24.79 (+2.12s | 2.4%)

Rankings

50 Breast

41.54

100 Breast

45.37

1:26.91

100 Breast

1:26.91

Breast 200 Y

3:00.06

Analysis

02/01/2026

BB: 2:51.49 (+8.57s | 4.8%)

Rankings

50 Breast

42.22

100 Breast

45.31

1:27.53

100 Breast

1:27.53

150 Breast

46.26

2:13.79

200 Breast

46.27

3:00.06

100 Breast

1:32.53

Fly 50 Y

32.29

11/14/2025

BB: 31.99 (+0.30s | 0.9%)

Rankings

Fly 100 Y

1:14.38

Analysis

11/14/2025

B: 1:13.59 (+0.79s | 1.1%)

Rankings

50 Fly

34.21

100 Fly

40.17

1:14.38

100 Fly

1:14.38

Fly 200 Y

2:49.39

Analysis

11/14/2025

B: 2:42.79 (+6.60s | 3.9%)

Rankings

50 Fly

35.44

100 Fly

41.19

1:16.63

100 Fly

1:16.63

150 Fly

45.15

2:01.78

200 Fly

47.61

2:49.39

100 Fly

1:32.76

IM 200 Y

2:44.91

Analysis

11/22/2025

B: 2:43.59 (+1.32s | 0.8%)

Rankings

IM 400 Y

5:58.51

Analysis

11/22/2025

B: 5:50.69 (+7.82s | 2.2%)

Rankings

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Bethesda-Chevy Chase YMCA	Potomac Valley Swimming	Eastern Zone	USA

Above are the fastest times that Yuna Cho has achieved in her swimming career. For each event, you can find Yuna's best time, the corresponding time standard, as well as how much faster Yuna needs to be to reach the next level. The last columns provide Yuna rankings at the team and LSC levels. These rankings are based on the Yuna'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	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	29.74	24.89 (+4.85s \| 16.3%) 25.69 (+4.05s \| 13.6%)	23.89 (+5.85s \| 19.7%)	23.89 (+5.85s \| 19.7%)	23.29 (+6.45s \| 21.7%)	22.49 (+7.25s \| 24.4%)	22.79 (+6.95s \| 23.4%)
Free 100 Y	1:05.79	53.99 (+11.80s \| 17.9%) 55.49 (+10.30s \| 15.7%)	51.89 (+13.90s \| 21.1%)	51.89 (+13.90s \| 21.1%)	50.39 (+15.40s \| 23.4%)	48.99 (+16.80s \| 25.5%)	49.69 (+16.10s \| 24.5%)
Free 200 Y	2:34.34	1:56.29 (+38.05s \| 24.7%) 1:59.59 (+34.75s \| 22.5%)	1:52.89 (+41.45s \| 26.9%)	1:52.29 (+42.05s \| 27.2%)	1:49.09 (+45.25s \| 29.3%)	1:45.99 (+48.35s \| 31.3%)	1:47.39 (+46.95s \| 30.4%)
Free 500 Y	7:35.36	5:10.69 (+144.67s \| 31.8%) 5:19.49 (+135.87s \| 29.8%)	5:02.59 (+152.77s \| 33.5%)	5:02.59 (+152.77s \| 33.5%)	4:53.59 (+161.77s \| 35.5%)	4:44.49 (+170.87s \| 37.5%)	4:48.09 (+167.27s \| 36.7%)
Back 50 Y	35.41	27.59 (+7.82s \| 22.1%) 28.29 (+7.12s \| 20.1%)	N/A	N/A	N/A	24.39 (+11.02s \| 31.1%)	N/A
Back 200 Y	3:10.55	2:08.59 (+61.96s \| 32.5%) 2:12.29 (+58.26s \| 30.6%)	2:04.19 (+66.36s \| 34.8%)	2:04.19 (+66.36s \| 34.8%)	1:59.39 (+71.16s \| 37.3%)	1:55.39 (+75.16s \| 39.4%)	1:57.69 (+72.86s \| 38.2%)
Breast 50 Y	39.15	30.99 (+8.16s \| 20.8%) 31.89 (+7.26s \| 18.5%)	N/A	N/A	N/A	27.99 (+11.16s \| 28.5%)	N/A
Breast 100 Y	1:26.91	1:07.59 (+19.32s \| 22.2%) 1:09.49 (+17.42s \| 20.0%)	1:05.49 (+21.42s \| 24.6%)	1:05.49 (+21.42s \| 24.6%)	1:03.09 (+23.82s \| 27.4%)	1:00.79 (+26.12s \| 30.1%)	1:02.79 (+24.12s \| 27.8%)
Breast 200 Y	3:00.06	2:28.19 (+31.87s \| 17.7%) 2:32.39 (+27.67s \| 15.4%)	2:22.69 (+37.37s \| 20.8%)	2:22.69 (+37.37s \| 20.8%)	2:17.19 (+42.87s \| 23.8%)	2:11.99 (+48.07s \| 26.7%)	2:15.49 (+44.57s \| 24.8%)
Fly 50 Y	32.29	27.09 (+5.20s \| 16.1%) 27.69 (+4.60s \| 14.2%)	N/A	N/A	N/A	24.09 (+8.20s \| 25.4%)	N/A
Fly 100 Y	1:14.38	59.19 (+15.19s \| 20.4%) 1:00.89 (+13.49s \| 18.1%)	56.59 (+17.79s \| 23.9%)	56.59 (+17.79s \| 23.9%)	54.69 (+19.69s \| 26.5%)	52.79 (+21.59s \| 29.0%)	53.99 (+20.39s \| 27.4%)
Fly 200 Y	2:49.39	2:10.09 (+39.30s \| 23.2%) 2:13.79 (+35.60s \| 21.0%)	2:05.39 (+44.00s \| 26.0%)	2:05.39 (+44.00s \| 26.0%)	2:01.69 (+47.70s \| 28.2%)	1:57.49 (+51.90s \| 30.6%)	1:59.39 (+50.00s \| 29.5%)
IM 200 Y	2:44.91	2:10.49 (+34.42s \| 20.9%) 2:14.19 (+30.72s \| 18.6%)	2:06.39 (+38.52s \| 23.4%)	2:06.39 (+38.52s \| 23.4%)	2:02.19 (+42.72s \| 25.9%)	1:58.39 (+46.52s \| 28.2%)	2:00.59 (+44.32s \| 26.9%)
IM 400 Y	5:58.51	4:39.09 (+79.42s \| 22.2%) 4:46.99 (+71.52s \| 19.9%)	4:30.69 (+87.82s \| 24.5%)	4:30.69 (+87.82s \| 24.5%)	4:21.69 (+96.82s \| 27.0%)	4:13.69 (+104.82s \| 29.2%)	4:15.19 (+103.32s \| 28.8%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	U.S. Olympic Team Trials

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 Emperor Penguin Pentathlon

02/01/2026

Laurel

400 Y IM

6:08.39

+9.88s

B: 5:50.69 (+17.70s | 4.8%)

50 Fly

38.79

100 Fly

43.84

1:22.63

100 Fly

1:22.63

200 Back

2:29.28

3:51.91

100 Back

2:29.28

250 Breast

50.21

4:42.12

300 Breast

43.31

5:25.43

100 Breast

1:33.52

350 Free

43.07

6:08.50

400 Free

0.-11

6:08.39

100 Free

42.96

200 Y Breast

3:00.06

BB: 2:51.49 (+8.57s | 4.8%)

50 Breast

42.22

100 Breast

45.31

1:27.53

100 Breast

1:27.53

150 Breast

46.26

2:13.79

200 Breast

46.27

3:00.06

100 Breast

1:32.53

200 Y Back

3:10.55

B: 2:38.79 (+31.76s | 16.7%)

50 Back

42.99

100 Back

49.53

1:32.52

100 Back

1:32.52

150 Back

50.38

2:22.90

200 Back

47.65

3:10.55

100 Back

1:38.03

200 Y Free

2:37.87

+3.53s

B: 2:27.19 (+10.68s | 6.8%)

50 Free

35.44

100 Free

38.23

1:13.67

100 Free

1:13.67

150 Free

41.64

1:55.31

200 Free

42.56

2:37.87

100 Free

1:24.20

200 Y Fly

2:55.73

+6.34s

B: 2:42.79 (+12.94s | 7.4%)

50 Fly

38.11

100 Fly

43.70

1:21.81

100 Fly

1:21.81

150 Fly

46.77

2:08.58

200 Fly

47.15

2:55.73

100 Fly

1:33.92

2026 MAKO POLAR PLUNGE

01/10/2026

FAIRFAX

50 Y Fly

33.34

+1.05s

BB: 31.99 (+1.35s | 4.0%)

50 Y Breast

40.95

+1.80s

B: 40.39 (+0.56s | 1.4%)

50 Y Free

30.09

+0.35s

BB: 29.09 (+1.00s | 3.3%)

200 Y IM

2:53.10

+8.19s

B: 2:43.59 (+9.51s | 5.5%)

50 Fly

36.64

100 Back

46.33

1:22.97

100 IM

1:22.97

150 Breast

50.10

2:13.07

200 Free

40.03

2:53.10

100 IM

1:30.13

50 Y Back

35.41

B: 34.59 (+0.82s | 2.3%)

100 Y Breast

1:27.73

+0.82s

B: 1:24.79 (+2.94s | 3.4%)

50 Breast

42.10

100 Breast

45.63

1:27.73

100 Breast

1:27.73

100 Y Free

1:09.70

+3.91s

B: 1:08.09 (+1.61s | 2.3%)

50 Free

33.07

100 Free

36.63

1:09.70

100 Free

1:09.70

20205 Odd Ball Challenge

11/22/2025

Laurel

50 Y Free

30.67

+0.93s

BB: 29.09 (+1.58s | 5.2%)

200 Y IM

2:44.91

B: 2:43.59 (+1.32s | 0.8%)

100 Y Free

1:05.79

-1.42s (New PB)

BB: 1:03.19 (+2.60s | 4.0%)

400 Y IM

5:58.51

B: 5:50.69 (+7.82s | 2.2%)

2025PV November Open Fairland

11/14/2025

Laurel

50 Y Free

29.74

BB: 29.09 (+0.65s | 2.2%)

50 Y Fly

32.29

BB: 31.99 (+0.30s | 0.9%)

200 Y Fly

2:49.39

B: 2:42.79 (+6.60s | 3.9%)

50 Fly

35.44

100 Fly

41.19

1:16.63

100 Fly

1:16.63

150 Fly

45.15

2:01.78

200 Fly

47.61

2:49.39

100 Fly

1:32.76

50 Y Breast

39.15

BB: 37.49 (+1.66s | 4.2%)

100 Y Free

1:07.21

BB: 1:03.19 (+4.02s | 6.0%)

50 Free

31.40

100 Free

35.81

1:07.21

100 Free

1:07.21

100 Y Breast

1:26.91

B: 1:24.79 (+2.12s | 2.4%)

50 Breast

41.54

100 Breast

45.37

1:26.91

100 Breast

1:26.91

100 Y Fly

1:14.38

B: 1:13.59 (+0.79s | 1.1%)

50 Fly

34.21

100 Fly

40.17

1:14.38

100 Fly

1:14.38

200 Y Free

2:34.34

B: 2:27.19 (+7.15s | 4.6%)

50 Free

32.86

100 Free

38.17

1:11.03

100 Free

1:11.03

150 Free

41.72

1:52.75

200 Free

41.59

2:34.34

100 Free

1:23.31

2025 DC Wave November Distance Meet

11/01/2025

Washington

500 Y Free

7:35.36

B: 6:36.49 (+58.87s | 12.9%)

50 Free

33.13

100 Free

39.03

1:12.16

100 Free

1:12.16

450 Free

5:35.37

6:47.53

500 Free

47.83

7:35.36

100 Free

6:23.20

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	29.74	24.89 (+4.85s \| 16.3%) 25.69 (+4.05s \| 13.6%)	23.89 (+5.85s \| 19.7%)	23.89 (+5.85s \| 19.7%)	23.29 (+6.45s \| 21.7%)	22.49 (+7.25s \| 24.4%)	22.79 (+6.95s \| 23.4%)
Free 100 Y	1:05.79	53.99 (+11.80s \| 17.9%) 55.49 (+10.30s \| 15.7%)	51.89 (+13.90s \| 21.1%)	51.89 (+13.90s \| 21.1%)	50.39 (+15.40s \| 23.4%)	48.99 (+16.80s \| 25.5%)	49.69 (+16.10s \| 24.5%)
Free 200 Y	2:34.34	1:56.29 (+38.05s \| 24.7%) 1:59.59 (+34.75s \| 22.5%)	1:52.89 (+41.45s \| 26.9%)	1:52.29 (+42.05s \| 27.2%)	1:49.09 (+45.25s \| 29.3%)	1:45.99 (+48.35s \| 31.3%)	1:47.39 (+46.95s \| 30.4%)
Free 500 Y	7:35.36	5:10.69 (+144.67s \| 31.8%) 5:19.49 (+135.87s \| 29.8%)	5:02.59 (+152.77s \| 33.5%)	5:02.59 (+152.77s \| 33.5%)	4:53.59 (+161.77s \| 35.5%)	4:44.49 (+170.87s \| 37.5%)	4:48.09 (+167.27s \| 36.7%)
Back 50 Y	35.41	27.59 (+7.82s \| 22.1%) 28.29 (+7.12s \| 20.1%)	N/A	N/A	N/A	24.39 (+11.02s \| 31.1%)	N/A
Back 200 Y	3:10.55	2:08.59 (+61.96s \| 32.5%) 2:12.29 (+58.26s \| 30.6%)	2:04.19 (+66.36s \| 34.8%)	2:04.19 (+66.36s \| 34.8%)	1:59.39 (+71.16s \| 37.3%)	1:55.39 (+75.16s \| 39.4%)	1:57.69 (+72.86s \| 38.2%)
Breast 50 Y	39.15	30.99 (+8.16s \| 20.8%) 31.89 (+7.26s \| 18.5%)	N/A	N/A	N/A	27.99 (+11.16s \| 28.5%)	N/A
Breast 100 Y	1:26.91	1:07.59 (+19.32s \| 22.2%) 1:09.49 (+17.42s \| 20.0%)	1:05.49 (+21.42s \| 24.6%)	1:05.49 (+21.42s \| 24.6%)	1:03.09 (+23.82s \| 27.4%)	1:00.79 (+26.12s \| 30.1%)	1:02.79 (+24.12s \| 27.8%)
Breast 200 Y	3:00.06	2:28.19 (+31.87s \| 17.7%) 2:32.39 (+27.67s \| 15.4%)	2:22.69 (+37.37s \| 20.8%)	2:22.69 (+37.37s \| 20.8%)	2:17.19 (+42.87s \| 23.8%)	2:11.99 (+48.07s \| 26.7%)	2:15.49 (+44.57s \| 24.8%)
Fly 50 Y	32.29	27.09 (+5.20s \| 16.1%) 27.69 (+4.60s \| 14.2%)	N/A	N/A	N/A	24.09 (+8.20s \| 25.4%)	N/A
Fly 100 Y	1:14.38	59.19 (+15.19s \| 20.4%) 1:00.89 (+13.49s \| 18.1%)	56.59 (+17.79s \| 23.9%)	56.59 (+17.79s \| 23.9%)	54.69 (+19.69s \| 26.5%)	52.79 (+21.59s \| 29.0%)	53.99 (+20.39s \| 27.4%)
Fly 200 Y	2:49.39	2:10.09 (+39.30s \| 23.2%) 2:13.79 (+35.60s \| 21.0%)	2:05.39 (+44.00s \| 26.0%)	2:05.39 (+44.00s \| 26.0%)	2:01.69 (+47.70s \| 28.2%)	1:57.49 (+51.90s \| 30.6%)	1:59.39 (+50.00s \| 29.5%)
IM 200 Y	2:44.91	2:10.49 (+34.42s \| 20.9%) 2:14.19 (+30.72s \| 18.6%)	2:06.39 (+38.52s \| 23.4%)	2:06.39 (+38.52s \| 23.4%)	2:02.19 (+42.72s \| 25.9%)	1:58.39 (+46.52s \| 28.2%)	2:00.59 (+44.32s \| 26.9%)
IM 400 Y	5:58.51	4:39.09 (+79.42s \| 22.2%) 4:46.99 (+71.52s \| 19.9%)	4:30.69 (+87.82s \| 24.5%)	4:30.69 (+87.82s \| 24.5%)	4:21.69 (+96.82s \| 27.0%)	4:13.69 (+104.82s \| 29.2%)	4:15.19 (+103.32s \| 28.8%)