Sofia Yumukoff

Age: 9 years old
Age Category: 10 & under
Team: Nitro Swimming | South Texas Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

South Texas Swimming

Nitro Swimming

Free 50 Y

37.66

10/26/2025

BB: 35.99 (+1.67s | 4.4%)

198

Free 100 Y

1:21.33

12/12/2025

BB: 1:21.09 (+0.24s | 0.3%)

118

50 Free

38.66

100 Free

42.67

1:21.33

100 Free

1:21.33

Back 50 Y

43.95

10/26/2025

BB: 43.29 (+0.66s | 1.5%)

173

Back 100 Y

1:32.87

09/19/2025

A: 1:22.29 (+10.58s | 11.4%)

101

50 Back

45.17

100 Back

47.70

1:32.87

100 Back

1:32.87

Breast 50 Y

46.01

12/12/2025

A: 42.79 (+3.22s | 7.0%)

Fly 50 Y

42.12

09/19/2025

A: 36.99 (+5.13s | 12.2%)

103

IM 100 Y

1:25.99

12/12/2025

A: 1:22.09 (+3.90s | 4.5%)

50 IM

38.33

100 IM

47.66

1:25.99

100 IM

1:25.99

Long course distance

Event	Time	Age	Date	Standard	Next Standard	South Texas Swimming	Nitro Swimming
Free 50 M	49.70	9	04/26/2025		B: 45.29 (+4.41s \| 8.9%)	168	32

Back 50 M	56.71	9	04/26/2025		B: 55.79 (+0.92s \| 1.6%)	147	34

Breast 50 M	59.72	9	04/26/2025	B	BB: 55.49 (+4.23s \| 7.1%)	81	25

Fly 50 M	54.75	9	04/26/2025		B: 54.49 (+0.26s \| 0.5%)	60	20

Above are the fastest times that Sofia Yumukoff has achieved in her swimming career. For each event, you can find Sofia's best time, the corresponding time standard, as well as how much faster Sofia needs to be to reach the next level. The last columns provide Sofia rankings at the team and LSC levels. These rankings are based on the Sofia'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	SouthWestern Age Group Regional
Free 50 Y	37.66	24.89 (+12.77s \| 33.9%)	23.89 (+13.77s \| 36.6%)	23.89 (+13.77s \| 36.6%)	23.29 (+14.37s \| 38.2%)	22.59 (+15.07s \| 40.0%)	22.79 (+14.87s \| 39.5%)	30.89 (+6.77s \| 18.0%)
Free 100 Y	1:21.33	53.99 (+27.34s \| 33.6%)	51.89 (+29.44s \| 36.2%)	51.89 (+29.44s \| 36.2%)	50.39 (+30.94s \| 38.0%)	49.29 (+32.04s \| 39.4%)	49.69 (+31.64s \| 38.9%)	1:08.19 (+13.14s \| 16.2%)
Back 50 Y	43.95	N/A	N/A	N/A	N/A	N/A	N/A	36.49 (+7.46s \| 17.0%)
Back 100 Y	1:32.87	59.49 (+33.38s \| 35.9%)	57.09 (+35.78s \| 38.5%)	57.09 (+35.78s \| 38.5%)	55.09 (+37.78s \| 40.7%)	53.89 (+38.98s \| 42.0%)	54.49 (+38.38s \| 41.3%)	1:17.89 (+14.98s \| 16.1%)
Breast 50 Y	46.01	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+5.62s \| 12.2%)
Fly 50 Y	42.12	N/A	N/A	N/A	N/A	N/A	N/A	35.09 (+7.03s \| 16.7%)
IM 100 Y	1:25.99	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+8.30s \| 9.7%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	49.70	28.69 (+21.01s \| 42.3%)	27.39 (+22.31s \| 44.9%)	27.39 (+22.31s \| 44.9%)	26.89 (+22.81s \| 45.9%)	26.29 (+23.41s \| 47.1%)	26.59 (+23.11s \| 46.5%)	35.19 (+14.51s \| 29.2%)
Back 50 M	56.71	N/A	N/A	N/A	N/A	N/A	N/A	41.79 (+14.92s \| 26.3%)
Breast 50 M	59.72	N/A	N/A	N/A	N/A	N/A	N/A	46.19 (+13.53s \| 22.7%)
Fly 50 M	54.75	N/A	N/A	N/A	N/A	N/A	N/A	39.69 (+15.06s \| 27.5%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 ST AAAA NS Winter Wonderland

12/12/2025

San Antonio

100 Y IM

1:25.99

-6.62s (New PB)

A: 1:22.09 (+3.90s | 4.5%)

50 IM

38.33

100 IM

47.66

1:25.99

100 IM

1:25.99

50 Y Breast

46.01

-2.35s (New PB)

A: 42.79 (+3.22s | 7.0%)

100 Y Free

1:21.33

-5.37s (New PB)

BB: 1:21.09 (+0.24s | 0.3%)

50 Free

38.66

100 Free

42.67

1:21.33

100 Free

1:21.33

2025 ST TXLA 10 U Fall Kick Off

10/26/2025

Austin

50 Y Free

37.66

-16.85s (New PB)

BB: 35.99 (+1.67s | 4.4%)

100 Y Free

1:26.70

BB: 1:21.09 (+5.61s | 6.5%)

50 Free

40.43

100 Free

46.27

1:26.70

100 Free

1:26.70

50 Y Breast

50.52

+2.16s

BB: 48.69 (+1.83s | 3.6%)

50 Y Back

43.95

-2.20s (New PB)

BB: 43.29 (+0.66s | 1.5%)

2025 ST AQTX Round Rock Unclassified

09/19/2025

Round Rock

50 Y Fly

42.12

A: 36.99 (+5.13s | 12.2%)

100 Y Back

1:32.87

-7.75s (New PB)

A: 1:22.29 (+10.58s | 11.4%)

50 Back

45.17

100 Back

47.70

1:32.87

100 Back

1:32.87

100 Y IM

1:32.61

-8.41s (New PB)

A: 1:22.09 (+10.52s | 11.4%)

50 IM

40.82

100 IM

51.79

1:32.61

100 IM

1:32.61

50 Y Breast

48.36

-1.98s (New PB)

A: 42.79 (+5.57s | 11.5%)

2025 ST NTRO Stephen J Wolleben Memorial Meet

09/06/2025

Kyle

50 Y Back

46.15

-6.70s (New PB)

BB: 43.29 (+2.86s | 6.2%)

50 Y Breast

50.34

BB: 48.69 (+1.65s | 3.3%)

100 Y Back

1:40.62

-17.24s (New PB)

BB: 1:33.99 (+6.63s | 6.6%)

50 Back

48.35

100 Back

52.27

1:40.62

100 Back

1:40.62

100 Y IM

1:41.02

BB: 1:33.19 (+7.83s | 7.8%)

50 IM

46.36

100 IM

54.66

1:41.02

100 IM

1:41.02

2025 ST NTRO Splashing Into Long Course

04/26/2025

Kyle

50 M Fly

54.75

B: 54.49 (+0.26s | 0.5%)

50 M Back

56.71

B: 55.79 (+0.92s | 1.6%)

50 M Free

49.70

B: 45.29 (+4.41s | 8.9%)

50 M Breast

59.72

BB: 55.49 (+4.23s | 7.1%)

2024 ST TXLA 10 U November Unclassified

11/03/2024

Austin

50 Y Back

52.85

-0.97s (New PB)

B: 48.59 (+4.26s | 8.1%)

100 Y Back

1:57.86

B: 1:45.79 (+12.07s | 10.2%)

50 Back

55.74

100 Back

1:02.12

1:57.86

100 Back

1:57.86

2024 ST TXLA 10 U Fall Kick Off

10/06/2024

Austin

50 Y Free

54.51

B: 39.79 (+14.72s | 27.0%)

50 Y Back

53.82

B: 48.59 (+5.23s | 9.7%)

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.