Ryonosuke Jefferson

Age: 12 years old
Age Category: 11-12
Team: Dart Swimming | Sierra Nevada Swimming
Participation: 10 meets 24 events

Personal Best

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Sierra Nevada Swimming	Dart Swimming

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Sierra Nevada Swimming

Dart Swimming

Free 50 Y

27.83

11/09/2024

AA: 26.99 (+0.84s | 3.0%)

Free 100 Y

57.06

02/07/2025

AAA: 56.19 (+0.87s | 1.5%)

50 Free

27.52

100 Free

29.54

57.06

100 Free

57.06

Free 200 Y

2:07.53

11/09/2024

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

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

1:06.32

02/07/2025

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

50 Fly

31.25

100 Fly

35.07

1:06.32

100 Fly

1:06.32

IM 100 Y

1:07.27

02/07/2025

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

50 IM

32.38

100 IM

34.89

1:07.27

100 IM

1:07.27

IM 200 Y

2:29.62

11/09/2024

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

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	57.06	48.19 (+8.87s \| 15.5%)	46.39 (+10.67s \| 18.7%)	46.39 (+10.67s \| 18.7%)	45.09 (+11.97s \| 21.0%)	43.49 (+13.57s \| 23.8%)	44.39 (+12.67s \| 22.2%)	59.29 56.69 (+0.37s \| 0.6%)
Free 200 Y	2:07.53	1:45.79 (+21.74s \| 17.0%)	1:41.59 (+25.94s \| 20.3%)	1:41.59 (+25.94s \| 20.3%)	1:38.79 (+28.74s \| 22.5%)	1:36.49 (+31.04s \| 24.3%)	1:38.09 (+29.44s \| 23.1%)	2:09.19 2:03.89 (+3.64s \| 2.9%)
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	1:06.32	52.89 (+13.43s \| 20.3%)	50.59 (+15.73s \| 23.7%)	50.59 (+15.73s \| 23.7%)	48.99 (+17.33s \| 26.1%)	47.79 (+18.53s \| 27.9%)	48.39 (+17.93s \| 27.0%)	1:07.09
IM 100 Y	1:07.27	N/A	N/A	N/A	N/A	N/A	N/A	1:08.09
IM 200 Y	2:29.62	1:58.19 (+31.43s \| 21.0%)	1:53.89 (+35.73s \| 23.9%)	1:53.89 (+35.73s \| 23.9%)	1:50.09 (+39.53s \| 26.4%)	1:46.39 (+43.23s \| 28.9%)	1:48.89 (+40.73s \| 27.2%)	2:27.09 (+2.53s \| 1.7%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional

Progression

See how Ryonosuke Jefferson is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Ryonosuke'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 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 PSL Super Finals Invitational

02/07/2025

Pacifica, CA

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

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

Folsom Classic 2024

11/09/2024

Steve Miklos Aquatic Center, , Folsom, CA 95630, USA

50 Y Fly

31.11

+0.00s

AA: 29.69 (+1.42s | 4.6%)

50 Y Breast

37.06

A: 36.69 (+0.37s | 1.0%)

100 Y Fly

1:09.29

+0.00s

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

50 Fly

31.81

100 Fly

37.48

1:09.29

100 Fly

1:09.29

50 Y Free

27.83

+0.00s

AA: 26.99 (+0.84s | 3.0%)

100 Y Breast

1:20.91

+0.00s

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

50 Breast

39.94

100 Breast

40.97

1:20.91

100 Breast

1:20.91

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

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

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

Folsom Classic

11/09/2024

Steve Miklos Aquatic Center, , Folsom, CA 95630, USA

50 Y Breast

37.06

+0.00s

A: 36.69 (+0.37s | 1.0%)

50 Y Fly

31.11

-5.62s (New PB)

AA: 29.69 (+1.42s | 4.6%)

200 Y IM

2:29.62

+0.00s

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

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

200 Y Free

2:07.53

+0.00s

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

50 Y Free

27.83

-2.00s (New PB)

AA: 26.99 (+0.84s | 3.0%)

100 Y Free

1:01.26

+0.00s

AA: 58.69 (+2.57s | 4.2%)

50 Free

30.39

100 Free

30.87

1:01.26

100 Free

1:01.26

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

SWAGR

03/22/2024

Clovis, CA

50 Y Free

30.11

+0.28s

A: 28.09 (+2.02s | 6.7%)

100 Y Free

1:04.23

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

50 Y Fly

36.73

BB: 34.19 (+2.54s | 6.9%)

VJO February Frost C/B/A+ Meet

02/09/2024

Vallejo, CA

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.