Rayun Choi

Age: 13 years old
Age Category: 13-14
Team: Aquawolves Swimming | Colorado Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Aquawolves Swimming

Colorado Swimming

Western Zone

USA

Free 50 Y

30.50

01/16/2026

B: 29.89 (+0.61s | 2.0%)

356

1,000+

Free 100 Y

1:13.45

02/14/2026

B: 1:04.99 (+8.46s | 11.5%)

430

1,000+

50 Free

33.22

100 Free

40.23

1:13.45

100 Free

1:13.45

Free 200 Y

3:22.16

10/04/2024

B: 2:22.49 (+59.67s | 29.5%)

431

1,000+

50 Free

43.53

100 Free

51.68

1:35.21

100 Free

1:35.21

150 Free

54.46

2:29.67

200 Free

52.49

3:22.16

100 Free

1:46.95

Free 500 Y

9:21.41

11/16/2024

B: 6:25.69 (+175.72s | 31.3%)

280

1,000+

50 Free

43.20

100 Free

52.62

1:35.82

100 Free

1:35.82

150 Free

55.81

2:31.63

200 Free

57.78

3:29.41

100 Free

1:53.59

250 Free

59.76

4:29.17

300 Free

59.44

5:28.61

100 Free

1:59.20

350 Free

1:00.23

6:28.84

400 Free

1:01.35

7:30.19

100 Free

2:01.58

450 Free

58.94

8:29.13

500 Free

52.28

9:21.41

100 Free

1:51.22

Back 50 Y

44.34

11/23/2024

355

1,000+

Back 100 Y

1:45.81

11/16/2024

B: 1:11.29 (+34.52s | 32.6%)

460

1,000+

50 Back

49.81

100 Back

56.00

1:45.81

100 Back

1:45.81

Breast 50 Y

37.27

12/27/2025

1,000+

25 Breast

16.74

50 Breast

20.53

37.27

50 Breast

37.27

Breast 100 Y

1:18.93

03/06/2026

BB: 1:14.79 (+4.14s | 5.2%)

137

1,000+

50 Breast

37.07

100 Breast

41.86

1:18.93

100 Breast

1:18.93

Fly 50 Y

35.31

12/27/2025

198

1,000+

25 Fly

15.08

50 Fly

20.23

35.31

50 Fly

35.31

IM 200 Y

3:27.83

10/04/2024

B: 2:37.99 (+49.84s | 24.0%)

355

1,000+

50 Fly

46.17

100 Back

56.03

1:42.20

100 IM

1:42.20

150 Breast

56.74

2:38.94

200 Free

48.89

3:27.83

100 IM

1:45.63

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Aquawolves Swimming

Colorado Swimming

Western Zone

USA

Free 100 M

1:36.55

04/25/2025

B: 1:15.09 (+21.46s | 22.2%)

290

1,000+

50 Free

43.13

100 Free

53.42

1:36.55

100 Free

1:36.55

Free 400 M

8:15.09

04/25/2025

B: 5:48.39 (+146.70s | 29.6%)

156

1,000+

50 Free

45.81

100 Free

57.81

1:43.62

100 Free

1:43.62

150 Free

1:04.52

2:48.14

200 Free

1:06.59

3:54.73

100 Free

2:11.11

250 Free

1:07.88

5:02.61

300 Free

1:05.25

6:07.86

100 Free

2:13.13

350 Free

1:05.57

7:13.43

400 Free

1:01.66

8:15.09

100 Free

2:07.23

Back 50 M

50.19

05/17/2025

213

1,000+

Breast 50 M

44.14

05/17/2025

861

1,000+

Breast 100 M

1:49.91

05/17/2025

B: 1:33.79 (+16.12s | 14.7%)

187

1,000+

50 Breast

51.54

100 Breast

58.37

1:49.91

100 Breast

1:49.91

Above are the fastest times that Rayun Choi has achieved in his swimming career. For each event, you can find Rayun's best time, the corresponding time standard, as well as how much faster Rayun needs to be to reach the next level. The last columns provide Rayun rankings at the team and LSC levels. These rankings are based on the Rayun's personal best, his 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	SouthWestern Age Group Regional
Free 50 Y	30.50	22.19 (+8.31s \| 27.2%)	21.29 (+9.21s \| 30.2%)	21.29 (+9.21s \| 30.2%)	20.59 (+9.91s \| 32.5%)	20.09 (+10.41s \| 34.1%)	20.39 (+10.11s \| 33.1%)	26.29 (+4.21s \| 13.8%)
Free 100 Y	1:13.45	48.19 (+25.26s \| 34.4%)	46.39 (+27.06s \| 36.8%)	46.39 (+27.06s \| 36.8%)	45.09 (+28.36s \| 38.6%)	43.49 (+29.96s \| 40.8%)	44.39 (+29.06s \| 39.6%)	56.69 (+16.76s \| 22.8%)
Free 200 Y	3:22.16	1:45.79 (+96.37s \| 47.7%)	1:41.59 (+100.57s \| 49.7%)	1:41.59 (+100.57s \| 49.7%)	1:38.79 (+103.37s \| 51.1%)	1:36.49 (+105.67s \| 52.3%)	1:38.09 (+104.07s \| 51.5%)	2:03.89 (+78.27s \| 38.7%)
Free 500 Y	9:21.41	4:47.79 (+273.62s \| 48.7%)	4:37.09 (+284.32s \| 50.6%)	4:37.09 (+284.32s \| 50.6%)	4:29.49 (+291.92s \| 52.0%)	4:22.09 (+299.32s \| 53.3%)	4:27.69 (+293.72s \| 52.3%)	5:31.59 (+229.82s \| 40.9%)
Back 50 Y	44.34	N/A	N/A	N/A	N/A	N/A	N/A	1:02.89
Back 100 Y	1:45.81	53.89 (+51.92s \| 49.1%)	51.49 (+54.32s \| 51.3%)	51.49 (+54.32s \| 51.3%)	49.39 (+56.42s \| 53.3%)	47.59 (+58.22s \| 55.0%)	48.89 (+56.92s \| 53.8%)	2:16.09 1:00.49 (+45.32s \| 42.8%)
Breast 50 Y	37.27	N/A	N/A	N/A	N/A	N/A	N/A	2:35.19
Breast 100 Y	1:18.93	1:00.89 (+18.04s \| 22.9%)	57.99 (+20.94s \| 26.5%)	57.99 (+20.94s \| 26.5%)	55.89 (+23.04s \| 29.2%)	54.19 (+24.74s \| 31.3%)	55.29 (+23.64s \| 30.0%)	1:01.79 (+17.14s \| 21.7%)
Fly 50 Y	35.31	N/A	N/A	N/A	N/A	N/A	N/A	N/A
IM 200 Y	3:27.83	1:58.19 (+89.64s \| 43.1%)	1:53.89 (+93.94s \| 45.2%)	1:53.89 (+93.94s \| 45.2%)	1:50.09 (+97.74s \| 47.0%)	1:46.39 (+101.44s \| 48.8%)	1:48.89 (+98.94s \| 47.6%)	2:18.59 (+69.24s \| 33.3%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 100 M	1:36.55	56.09 (+40.46s \| 41.9%)	53.59 (+42.96s \| 44.5%)	53.59 (+42.96s \| 44.5%)	52.59 (+43.96s \| 45.5%)	50.99 (+45.56s \| 47.2%)	51.99 (+44.56s \| 46.2%)	1:04.89 (+31.66s \| 32.8%)
Free 400 M	8:15.09	4:21.09 (+234.00s \| 47.3%)	4:09.99 (+245.10s \| 49.5%)	4:09.99 (+245.10s \| 49.5%)	4:05.29 (+249.80s \| 50.5%)	3:59.29 (+255.80s \| 51.7%)	4:02.79 (+252.30s \| 51.0%)	N/A
Back 50 M	50.19	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Breast 50 M	44.14	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 M	1:49.91	1:11.29 (+38.62s \| 35.1%)	1:08.19 (+41.72s \| 38.0%)	1:08.19 (+41.72s \| 38.0%)	1:06.59 (+43.32s \| 39.4%)	1:04.09 (+45.82s \| 41.7%)	1:05.29 (+44.62s \| 40.6%)	1:21.99 (+27.92s \| 25.4%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 CO 14 U Silver State

03/06/2026

Denver

100 Y Breast

1:18.93

-2.06s (New PB)

BB: 1:14.79 (+4.14s | 5.2%)

50 Breast

37.07

100 Breast

41.86

1:18.93

100 Breast

1:18.93

2026 CO AQUA February Home Meet

02/14/2026

Greenwood Village

100 Y Breast

1:20.99

-6.71s (New PB)

B: 1:20.49 (+0.50s | 0.6%)

50 Breast

38.52

100 Breast

42.47

1:20.99

100 Breast

1:20.99

100 Y Free

1:13.45

-10.12s (New PB)

B: 1:04.99 (+8.46s | 11.5%)

50 Free

33.22

100 Free

40.23

1:13.45

100 Free

1:13.45

2026 CO CUDA Classic

01/16/2026

Thornton

50 Y Free

30.50

-5.94s (New PB)

B: 29.89 (+0.61s | 2.0%)

100 Y Breast

1:27.70

-2.41s (New PB)

B: 1:20.49 (+7.21s | 8.2%)

50 Breast

39.21

100 Breast

48.49

1:27.70

100 Breast

1:27.70

2025 CO ACES Sprint Eliminator 1 3

12/27/2025

Aurora

25 Y Breast

16.09

50 Y Fly

35.31

-5.87s (New PB)

25 Fly

15.08

50 Fly

20.23

35.31

50 Fly

35.31

50 Y Breast

37.27

-3.57s (New PB)

25 Breast

16.74

50 Breast

20.53

37.27

50 Breast

37.27

2025 CO CUDA Vs AQUA Dual

05/17/2025

Thornton

50 M Breast

44.14

-7.12s (New PB)

A: 41.99 (+2.15s | 4.9%)

50 M Back

50.19

-0.74s (New PB)

B: 44.49 (+5.70s | 11.4%)

100 M Breast

1:49.91

B: 1:47.79 (+2.12s | 1.9%)

50 Breast

51.54

100 Breast

58.37

1:49.91

100 Breast

1:49.91

2025 CO Steve Drozda LC Shotgun

04/25/2025

Thornton

100 M Free

1:36.55

B: 1:22.09 (+14.46s | 15.0%)

50 Free

43.13

100 Free

53.42

1:36.55

100 Free

1:36.55

50 M Back

50.93

B: 44.49 (+6.44s | 12.6%)

50 M Breast

51.26

B: 49.79 (+1.47s | 2.9%)

400 M Free

8:15.09

B: 6:21.09 (+114.00s | 23.0%)

50 Free

45.81

100 Free

57.81

1:43.62

100 Free

1:43.62

150 Free

1:04.52

2:48.14

200 Free

1:06.59

3:54.73

100 Free

2:11.11

250 Free

1:07.88

5:02.61

300 Free

1:05.25

6:07.86

100 Free

2:13.13

350 Free

1:05.57

7:13.43

400 Free

1:01.66

8:15.09

100 Free

2:07.23

2025 CO CSI Silver State Championships

03/07/2025

Denver

100 Y Breast

1:30.11

-3.22s (New PB)

BB: 1:25.49 (+4.62s | 5.1%)

50 Breast

43.70

100 Breast

46.41

1:30.11

100 Breast

1:30.11

50 Y Breast

40.84

-0.44s (New PB)

BB: 40.09 (+0.75s | 1.8%)

2025 CO AQUA Intra Squad

02/02/2025

Greenwood Villlage

50 Y Fly

41.74

+0.56s

B: 37.09 (+4.65s | 11.1%)

50 Y Breast

41.28

-0.66s (New PB)

BB: 40.09 (+1.19s | 2.9%)

100 Y Breast

1:33.33

-1.40s (New PB)

B: 1:32.59 (+0.74s | 0.8%)

50 Breast

43.54

100 Breast

49.79

1:33.33

100 Breast

1:33.33

2025 CO AAC 12 U Sprint Eliminator Invit

01/05/2025

Aurora

50 Y Back

44.73

+0.39s

B: 38.49 (+6.24s | 14.0%)

50 Y Breast

41.94

-0.22s (New PB)

BB: 40.09 (+1.85s | 4.4%)

50 Y Free

37.42

+0.98s

B: 32.79 (+4.63s | 12.4%)

2024 CO CUDA Pentathlon XXXVII

11/23/2024

Thornton

100 Y IM

1:32.41

-4.11s (New PB)

B: 1:21.89 (+10.52s | 11.4%)

50 IM

43.23

100 IM

49.17

1:32.40

100 IM

1:32.40

50 Y Fly

41.18

-6.16s (New PB)

B: 37.09 (+4.09s | 9.9%)

50 Y Free

36.44

-0.92s (New PB)

B: 32.79 (+3.65s | 10.0%)

50 Y Breast

42.16

-1.67s (New PB)

BB: 40.09 (+2.07s | 4.9%)

50 Y Back

44.34

-6.34s (New PB)

B: 38.49 (+5.85s | 13.2%)

2024 CO AQUA Intra Squad

11/16/2024

Greenwood Village

500 Y Free

9:21.41

B: 6:59.89 (+141.52s | 25.2%)

50 Free

43.20

100 Free

52.62

1:35.82

100 Free

1:35.82

150 Free

55.81

2:31.63

200 Free

57.78

3:29.41

100 Free

1:53.59

250 Free

59.76

4:29.17

300 Free

59.44

5:28.61

100 Free

1:59.20

350 Free

1:00.23

6:28.84

400 Free

1:01.35

7:30.19

100 Free

2:01.58

450 Free

58.94

8:29.13

500 Free

52.28

9:21.41

100 Free

1:51.22

100 Y Breast

1:35.86

+1.13s

B: 1:32.59 (+3.27s | 3.4%)

50 Breast

45.78

100 Breast

50.08

1:35.86

100 Breast

1:35.86

100 Y Back

1:45.81

-0.54s (New PB)

B: 1:22.19 (+23.62s | 22.3%)

50 Back

49.81

100 Back

56.00

1:45.81

100 Back

1:45.81

2024 CO AQUA October Intra Squad

10/04/2024

Greenwood Village

200 Y Free

3:22.16

B: 2:35.99 (+46.17s | 22.8%)

50 Free

43.53

100 Free

51.68

1:35.21

100 Free

1:35.21

150 Free

54.46

2:29.67

200 Free

52.49

3:22.16

100 Free

1:46.95

200 Y IM

3:27.83

B: 2:59.29 (+28.54s | 13.7%)

50 Fly

46.17

100 Back

56.03

1:42.20

100 IM

1:42.20

150 Breast

56.74

2:38.94

200 Free

48.89

3:27.83

100 IM

1:45.63

50 Y Breast

43.83

B: 43.49 (+0.34s | 0.8%)

2024 CO AQUA Vs DSA Dual

09/20/2024

Greenwood Villlage

50 Y Fly

47.34

B: 37.09 (+10.25s | 21.7%)

50 Y Back

50.68

B: 38.49 (+12.19s | 24.1%)

100 Y Back

1:46.35

B: 1:22.19 (+24.16s | 22.7%)

100 Y Breast

1:34.73

B: 1:32.59 (+2.14s | 2.3%)

50 Breast

45.14

100 Breast

49.59

1:34.73

100 Breast

1:34.73

100 Y Free

1:23.57

B: 1:11.49 (+12.08s | 14.5%)

50 Free

38.72

100 Free

44.85

1:23.57

100 Free

1:23.57

2024 CO AQUA Friday Night Sprint

09/13/2024

Greenwood Villlage

50 Y Free

37.36

B: 32.79 (+4.57s | 12.2%)

100 Y IM

1:36.52

B: 1:21.89 (+14.63s | 15.2%)

50 IM

47.70

100 IM

48.82

1:36.52

100 IM

1:36.52

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.