Ryonosuke Jefferson

Age: 12 years old
Age Category: 11-12
Team: Sierra Nevada Swimming | Sierra Nevada Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Sierra Nevada Swimming

Free 50 Y

27.83

11/09/2024

AA: 26.99 (+0.84s | 3.0%)

Free 100 Y

54.73

07/26/2025

AAA

AAAA: 53.59 (+1.14s | 2.1%)

50 Free

26.36

50 Free

26.36

100 Free

28.37

54.73

50 Free

28.37

Free 200 Y

1:58.86

07/26/2025

AAA

AAAA: 1:56.99 (+1.87s | 1.6%)

50 Free

27.57

50 Free

27.57

100 Free

30.45

58.02

50 Free

30.45

150 Free

31.27

1:29.29

50 Free

31.27

200 Free

29.57

1:58.86

50 Free

29.57

Free 500 Y

5:23.78

07/26/2025

AAA

AAAA: 5:14.99 (+8.79s | 2.7%)

50 Free

3:11.18

50 Free

3:11.18

100 Free

33.60

3:44.78

50 Free

33.60

150 Free

33.23

4:18.01

50 Free

33.23

200 Free

33.55

4:51.56

50 Free

33.55

250 Free

32.22

5:23.78

50 Free

32.22

Breast 50 Y

37.06

11/09/2024

A: 36.69 (+0.37s | 1.0%)

Breast 100 Y

1:20.91

11/09/2024

A: 1:18.39 (+2.52s | 3.1%)

50 Breast

39.94

100 Breast

40.97

1:20.91

100 Breast

1:20.91

Fly 50 Y

31.11

11/09/2024

AA: 29.69 (+1.42s | 4.6%)

Fly 100 Y

1:04.69

07/26/2025

AAA: 1:02.49 (+2.20s | 3.4%)

50 Fly

30.49

100 Fly

34.20

1:04.69

100 Fly

1:04.69

IM 100 Y

1:03.42

07/26/2025

AAA

AAAA: 1:01.09 (+2.33s | 3.7%)

50 IM

1:03.42

100 IM

0.00

1:03.42

100 IM

1:03.42

IM 200 Y

2:19.79

07/26/2025

AAA: 2:18.79 (+1.00s | 0.7%)

50 Back

30.05

50 IM

30.05

100 Free

1:19.66

1:49.71

50 IM

1:19.66

150 Free

30.08

2:19.79

50 IM

30.08

200 Free

0.00

2:19.79

50 IM

0.00

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Sierra Nevada Swimming

Free 100 M

1:00.69

08/06/2025

AAAA

50 Free

28.87

100 Free

31.82

1:00.69

100 Free

1:00.69

Free 200 M

2:11.68

08/06/2025

AAAA

50 Free

30.74

100 Free

33.13

1:03.87

100 Free

1:03.87

150 Free

34.31

1:38.18

200 Free

33.50

2:11.68

100 Free

1:07.81

Free 400 M

4:41.56

08/06/2025

AAAA

100 Free

1:08.18

100 Free

1:08.18

200 Free

1:11.25

2:19.43

100 Free

1:11.25

300 Free

1:11.45

3:30.88

100 Free

1:11.45

400 Free

1:10.68

4:41.56

100 Free

1:10.68

Fly 100 M

1:07.81

08/06/2025

AAA

AAAA: 1:07.79 (+0.02s | 0.0%)

50 Fly

32.25

100 Fly

35.55

1:07.81

100 Fly

1:07.81

IM 200 M

2:33.63

08/06/2025

AAA

AAAA: 2:30.59 (+3.04s | 2.0%)

IM 400 M

5:28.96

08/06/2025

AAA

AAAA: 5:28.39 (+0.57s | 0.2%)

100 Fly

1:12.76

100 Fly

1:12.76

200 Back

1:29.38

2:42.14

100 Back

1:29.38

300 Breast

1:35.99

4:18.13

100 Breast

1:35.99

400 Free

1:10.83

5:28.96

100 Free

1:10.83

Above are the fastest times that Ryonosuke Jefferson has achieved in his swimming career. For each event, you can find Ryonosuke's best time, the corresponding time standard, as well as how much faster Ryonosuke needs to be to reach the next level. The last columns provide Ryonosuke rankings at the team and LSC levels. These rankings are based on the Ryonosuke'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	27.83	22.19 (+5.64s \| 20.3%)	21.29 (+6.54s \| 23.5%)	21.29 (+6.54s \| 23.5%)	20.59 (+7.24s \| 26.0%)	20.09 (+7.74s \| 27.8%)	20.39 (+7.44s \| 26.7%)	27.49 (+0.34s \| 1.2%)
Free 100 Y	54.73	48.19 (+6.54s \| 11.9%)	46.39 (+8.34s \| 15.2%)	46.39 (+8.34s \| 15.2%)	45.09 (+9.64s \| 17.6%)	43.49 (+11.24s \| 20.5%)	44.39 (+10.34s \| 18.9%)	59.29 56.69
Free 200 Y	1:58.86	1:45.79 (+13.07s \| 11.0%)	1:41.59 (+17.27s \| 14.5%)	1:41.59 (+17.27s \| 14.5%)	1:38.79 (+20.07s \| 16.9%)	1:36.49 (+22.37s \| 18.8%)	1:38.09 (+20.77s \| 17.5%)	2:09.19 2:03.89
Free 500 Y	5:23.78	4:47.79 (+35.99s \| 11.1%)	4:37.09 (+46.69s \| 14.4%)	4:37.09 (+46.69s \| 14.4%)	4:29.49 (+54.29s \| 16.8%)	4:22.09 (+61.69s \| 19.1%)	4:27.69 (+56.09s \| 17.3%)	5:47.49 5:31.59
Breast 50 Y	37.06	N/A	N/A	N/A	N/A	N/A	N/A	35.49 (+1.57s \| 4.2%)
Breast 100 Y	1:20.91	1:00.89 (+20.02s \| 24.7%)	57.99 (+22.92s \| 28.3%)	57.99 (+22.92s \| 28.3%)	55.89 (+25.02s \| 30.9%)	54.19 (+26.72s \| 33.0%)	55.29 (+25.62s \| 31.7%)	1:15.89 (+5.02s \| 6.2%)
Fly 50 Y	31.11	N/A	N/A	N/A	N/A	N/A	N/A	30.49 (+0.62s \| 2.0%)
Fly 100 Y	1:04.69	52.89 (+11.80s \| 18.2%)	50.59 (+14.10s \| 21.8%)	50.59 (+14.10s \| 21.8%)	48.99 (+15.70s \| 24.3%)	47.79 (+16.90s \| 26.1%)	48.39 (+16.30s \| 25.2%)	1:07.09
IM 100 Y	1:03.42	N/A	N/A	N/A	N/A	N/A	N/A	1:08.09
IM 200 Y	2:19.79	1:58.19 (+21.60s \| 15.5%)	1:53.89 (+25.90s \| 18.5%)	1:53.89 (+25.90s \| 18.5%)	1:50.09 (+29.70s \| 21.2%)	1:46.39 (+33.40s \| 23.9%)	1:48.89 (+30.90s \| 22.1%)	2:27.09 2:18.59 (+1.20s \| 0.9%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 100 M	1:00.69	56.09 (+4.60s \| 7.6%)	53.59 (+7.10s \| 11.7%)	53.59 (+7.10s \| 11.7%)	52.59 (+8.10s \| 13.3%)	50.99 (+9.70s \| 16.0%)	51.99 (+8.70s \| 14.3%)	1:07.49 1:04.89
Free 200 M	2:11.68	2:03.09 (+8.59s \| 6.5%)	1:57.79 (+13.89s \| 10.5%)	1:57.79 (+13.89s \| 10.5%)	1:55.49 (+16.19s \| 12.3%)	1:52.19 (+19.49s \| 14.8%)	1:54.09 (+17.59s \| 13.4%)	2:26.99 2:21.29
Free 400 M	4:41.56	4:21.09 (+20.47s \| 7.3%)	4:09.99 (+31.57s \| 11.2%)	4:09.99 (+31.57s \| 11.2%)	4:05.29 (+36.27s \| 12.9%)	3:59.29 (+42.27s \| 15.0%)	4:02.79 (+38.77s \| 13.8%)	N/A
Fly 100 M	1:07.81	1:00.89 (+6.92s \| 10.2%)	57.99 (+9.82s \| 14.5%)	57.99 (+9.82s \| 14.5%)	57.09 (+10.72s \| 15.8%)	55.09 (+12.72s \| 18.8%)	55.99 (+11.82s \| 17.4%)	1:16.39 1:10.69
IM 200 M	2:33.63	2:18.39 (+15.24s \| 9.9%)	2:12.79 (+20.84s \| 13.6%)	2:12.79 (+20.84s \| 13.6%)	2:09.59 (+24.04s \| 15.6%)	2:05.79 (+27.84s \| 18.1%)	2:08.19 (+25.44s \| 16.6%)	2:48.19 2:40.19
IM 400 M	5:28.96	4:55.09 (+33.87s \| 10.3%)	4:42.39 (+46.57s \| 14.2%)	4:42.39 (+46.57s \| 14.2%)	4:35.89 (+53.07s \| 16.1%)	4:28.79 (+60.17s \| 18.3%)	4:33.09 (+55.87s \| 17.0%)	5:56.29 5:39.69

Progression

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Meets

See all the meets Ryonosuke Jefferson has participated in and his achievement. The last event displayed is the most recent. For each event, you can find the Ryonosuke's time, the progress against Ryonosuke's best time, the corresponding time standard, as well as how much faster Ryonosuke needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 Western Zone Age Group Championships

08/06/2025

Elk Grove

100 M Free

1:00.69

AAAA

50 Free

28.87

100 Free

31.82

1:00.69

100 Free

1:00.69

400 M Free

4:41.56

AAAA

100 Free

1:08.18

100 Free

1:08.18

200 Free

1:11.25

2:19.43

100 Free

1:11.25

300 Free

1:11.45

3:30.88

100 Free

1:11.45

400 Free

1:10.68

4:41.56

100 Free

1:10.68

100 M Fly

1:07.81

AAA

AAAA: 1:07.79 (+0.02s | 0.0%)

50 Fly

32.25

100 Fly

35.55

1:07.81

100 Fly

1:07.81

200 M IM

2:33.63

AAA

AAAA: 2:30.59 (+3.04s | 2.0%)

200 M Free

2:11.68

AAAA

50 Free

30.74

100 Free

33.13

1:03.87

100 Free

1:03.87

150 Free

34.31

1:38.18

200 Free

33.50

2:11.68

100 Free

1:07.81

400 M IM

5:28.96

AAA

AAAA: 5:28.39 (+0.57s | 0.2%)

100 Fly

1:12.76

100 Fly

1:12.76

200 Back

1:29.38

2:42.14

100 Back

1:29.38

300 Breast

1:35.99

4:18.13

100 Breast

1:35.99

400 Free

1:10.83

5:28.96

100 Free

1:10.83

2025 REAL Championships

07/26/2025

Sonoma

200 Y IM

2:19.79

-9.83s (New PB)

AAA: 2:18.79 (+1.00s | 0.7%)

50 Back

30.05

50 IM

30.05

100 Free

1:19.66

1:49.71

50 IM

1:19.66

150 Free

30.08

2:19.79

50 IM

30.08

200 Free

0.00

2:19.79

50 IM

0.00

500 Y Free

5:23.78

AAA

AAAA: 5:14.99 (+8.79s | 2.7%)

50 Free

3:11.18

50 Free

3:11.18

100 Free

33.60

3:44.78

50 Free

33.60

150 Free

33.23

4:18.01

50 Free

33.23

200 Free

33.55

4:51.56

50 Free

33.55

250 Free

32.22

5:23.78

50 Free

32.22

100 Y IM

1:03.42

-3.85s (New PB)

AAA

AAAA: 1:01.09 (+2.33s | 3.7%)

50 IM

1:03.42

100 IM

0.00

1:03.42

100 IM

1:03.42

200 Y Free

1:58.86

-8.67s (New PB)

AAA

AAAA: 1:56.99 (+1.87s | 1.6%)

50 Free

27.57

50 Free

27.57

100 Free

30.45

58.02

50 Free

30.45

150 Free

31.27

1:29.29

50 Free

31.27

200 Free

29.57

1:58.86

50 Free

29.57

100 Y Free

54.73

-2.33s (New PB)

AAA

AAAA: 53.59 (+1.14s | 2.1%)

50 Free

26.36

50 Free

26.36

100 Free

28.37

54.73

50 Free

28.37

100 Y Fly

1:04.69

-1.63s (New PB)

AAA: 1:02.49 (+2.20s | 3.4%)

50 Fly

30.49

100 Fly

34.20

1:04.69

100 Fly

1:04.69

2025 PSL Super Finals Invitational

02/07/2025

Pacifica

100 Y Fly

1:06.32

-2.97s (New PB)

AA: 1:05.89 (+0.43s | 0.6%)

50 Fly

31.25

100 Fly

35.07

1:06.32

100 Fly

1:06.32

100 Y Free

57.06

-4.20s (New PB)

AAA: 56.19 (+0.87s | 1.5%)

50 Free

27.52

100 Free

29.54

57.06

100 Free

57.06

100 Y IM

1:07.27

AA: 1:06.99 (+0.28s | 0.4%)

50 IM

32.38

100 IM

34.89

1:07.27

100 IM

1:07.27

Folsom Classic 2024

11/09/2024

Folsom

50 Y Free

27.83

-2.00s (New PB)

AA: 26.99 (+0.84s | 3.0%)

100 Y Fly

1:09.29

A: 1:09.29 (+0.00s | -0.0%)

50 Fly

31.81

100 Fly

37.48

1:09.29

100 Fly

1:09.29

200 Y IM

2:29.62

AA: 2:25.59 (+4.03s | 2.7%)

50 Fly

32.21

100 Back

39.97

1:12.18

100 IM

1:12.18

150 Breast

43.66

1:55.84

200 Free

33.78

2:29.62

100 IM

1:17.44

50 Y Breast

37.06

A: 36.69 (+0.37s | 1.0%)

200 Y Free

2:07.53

AAA: 2:02.59 (+4.94s | 3.9%)

50 Free

29.53

100 Free

32.19

1:01.72

100 Free

1:01.72

150 Free

33.92

1:35.64

200 Free

31.89

2:07.53

100 Free

1:05.81

100 Y Free

1:01.26

-2.97s (New PB)

AA: 58.69 (+2.57s | 4.2%)

50 Free

30.39

100 Free

30.87

1:01.26

100 Free

1:01.26

50 Y Fly

31.11

-5.62s (New PB)

AA: 29.69 (+1.42s | 4.6%)

100 Y Breast

1:20.91

-12.36s (New PB)

A: 1:18.39 (+2.52s | 3.1%)

50 Breast

39.94

100 Breast

40.97

1:20.91

100 Breast

1:20.91

Southwest Age Group Regional

03/22/2024

Fresno

50 Y Fly

36.73

BB: 34.19 (+2.54s | 6.9%)

100 Y Free

1:04.23

A: 1:01.29 (+2.94s | 4.6%)

50 Free

30.65

100 Free

33.58

1:04.23

100 Free

1:04.23

50 Y Free

30.11

+0.28s

A: 28.09 (+2.02s | 6.7%)

VJO February Frost C B A+

02/09/2024

Vallejo

50 Y Free

29.83

A: 28.09 (+1.74s | 5.8%)

100 Y Breast

1:33.27

B: 1:32.59 (+0.68s | 0.7%)

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	SouthWestern Age Group Regional
Free 100 M	1:00.69	56.09 (+4.60s \| 7.6%)	53.59 (+7.10s \| 11.7%)	53.59 (+7.10s \| 11.7%)	52.59 (+8.10s \| 13.3%)	50.99 (+9.70s \| 16.0%)	51.99 (+8.70s \| 14.3%)	1:07.49 1:04.89
Free 200 M	2:11.68	2:03.09 (+8.59s \| 6.5%)	1:57.79 (+13.89s \| 10.5%)	1:57.79 (+13.89s \| 10.5%)	1:55.49 (+16.19s \| 12.3%)	1:52.19 (+19.49s \| 14.8%)	1:54.09 (+17.59s \| 13.4%)	2:26.99 2:21.29
Free 400 M	4:41.56	4:21.09 (+20.47s \| 7.3%)	4:09.99 (+31.57s \| 11.2%)	4:09.99 (+31.57s \| 11.2%)	4:05.29 (+36.27s \| 12.9%)	3:59.29 (+42.27s \| 15.0%)	4:02.79 (+38.77s \| 13.8%)	N/A
Fly 100 M	1:07.81	1:00.89 (+6.92s \| 10.2%)	57.99 (+9.82s \| 14.5%)	57.99 (+9.82s \| 14.5%)	57.09 (+10.72s \| 15.8%)	55.09 (+12.72s \| 18.8%)	55.99 (+11.82s \| 17.4%)	1:16.39 1:10.69
IM 200 M	2:33.63	2:18.39 (+15.24s \| 9.9%)	2:12.79 (+20.84s \| 13.6%)	2:12.79 (+20.84s \| 13.6%)	2:09.59 (+24.04s \| 15.6%)	2:05.79 (+27.84s \| 18.1%)	2:08.19 (+25.44s \| 16.6%)	2:48.19 2:40.19
IM 400 M	5:28.96	4:55.09 (+33.87s \| 10.3%)	4:42.39 (+46.57s \| 14.2%)	4:42.39 (+46.57s \| 14.2%)	4:35.89 (+53.07s \| 16.1%)	4:28.79 (+60.17s \| 18.3%)	4:33.09 (+55.87s \| 17.0%)	5:56.29 5:39.69