Sergei Dorofeev

Age: 12 years old
Age Category: 11-12
Team: Wasatch Front Fish Market | Utah Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Utah Swimming

Wasatch Front Fish Market

Free 50 Y

34.75

10/23/2025

B: 32.79 (+1.96s | 5.6%)

129

Free 100 Y

1:17.96

09/26/2025

B: 1:11.49 (+6.47s | 8.3%)

114

50 Free

36.69

100 Free

41.27

1:17.96

100 Free

1:17.96

Free 200 Y

2:54.87

09/26/2025

B: 2:35.99 (+18.88s | 10.8%)

50 Free

38.25

100 Free

44.74

1:22.99

100 Free

1:22.99

150 Free

45.18

2:08.17

200 Free

46.70

2:54.87

100 Free

1:31.88

Back 50 Y

39.93

11/01/2025

B: 38.49 (+1.44s | 3.6%)

Breast 50 Y

49.53

12/13/2025

B: 43.49 (+6.04s | 12.2%)

149

Breast 100 Y

1:57.09

09/26/2025

B: 1:32.59 (+24.50s | 20.9%)

159

50 Breast

55.23

100 Breast

1:01.86

1:57.09

100 Breast

1:57.09

Breast 200 Y

3:59.34

11/01/2025

B: 3:16.39 (+42.95s | 17.9%)

50 Breast

50.40

100 Breast

1:02.83

1:53.23

100 Breast

1:53.23

200 Breast

2:06.11

3:59.34

100 Breast

2:06.11

Fly 50 Y

42.32

12/13/2025

B: 37.09 (+5.23s | 12.4%)

IM 100 Y

1:27.92

12/13/2025

B: 1:21.89 (+6.03s | 6.9%)

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Utah Swimming

Wasatch Front Fish Market

Free 50 M

41.95

05/02/2025

B: 37.39 (+4.56s | 10.9%)

115

Free 100 M

1:31.62

05/02/2025

B: 1:22.09 (+9.53s | 10.4%)

50 Free

43.22

100 Free

48.40

1:31.62

100 Free

1:31.62

Back 50 M

49.16

05/02/2025

B: 44.49 (+4.67s | 9.5%)

Above are the fastest times that Sergei Dorofeev has achieved in his swimming career. For each event, you can find Sergei's best time, the corresponding time standard, as well as how much faster Sergei needs to be to reach the next level. The last columns provide Sergei rankings at the team and LSC levels. These rankings are based on the Sergei'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	34.75	22.19 (+12.56s \| 36.1%)	21.29 (+13.46s \| 38.7%)	21.29 (+13.46s \| 38.7%)	20.59 (+14.16s \| 40.7%)	20.09 (+14.66s \| 42.2%)	20.39 (+14.36s \| 41.3%)	27.49 (+7.26s \| 20.9%)
Free 100 Y	1:17.96	48.19 (+29.77s \| 38.2%)	46.39 (+31.57s \| 40.5%)	46.39 (+31.57s \| 40.5%)	45.09 (+32.87s \| 42.2%)	43.49 (+34.47s \| 44.2%)	44.39 (+33.57s \| 43.1%)	59.29 (+18.67s \| 23.9%)
Free 200 Y	2:54.87	1:45.79 (+69.08s \| 39.5%)	1:41.59 (+73.28s \| 41.9%)	1:41.59 (+73.28s \| 41.9%)	1:38.79 (+76.08s \| 43.5%)	1:36.49 (+78.38s \| 44.8%)	1:38.09 (+76.78s \| 43.9%)	2:09.19 (+45.68s \| 26.1%)
Back 50 Y	39.93	N/A	N/A	N/A	N/A	N/A	N/A	31.89 (+8.04s \| 20.1%)
Breast 50 Y	49.53	N/A	N/A	N/A	N/A	N/A	N/A	35.49 (+14.04s \| 28.3%)
Breast 100 Y	1:57.09	1:00.89 (+56.20s \| 48.0%)	57.99 (+59.10s \| 50.5%)	57.99 (+59.10s \| 50.5%)	55.89 (+61.20s \| 52.3%)	54.19 (+62.90s \| 53.7%)	55.29 (+61.80s \| 52.8%)	1:15.89 (+41.20s \| 35.2%)
Breast 200 Y	3:59.34	2:13.29 (+106.05s \| 44.3%)	2:07.99 (+111.35s \| 46.5%)	2:07.99 (+111.35s \| 46.5%)	2:02.29 (+117.05s \| 48.9%)	1:58.79 (+120.55s \| 50.4%)	2:00.99 (+118.35s \| 49.4%)	2:42.99 (+76.35s \| 31.9%)
Fly 50 Y	42.32	N/A	N/A	N/A	N/A	N/A	N/A	30.49 (+11.83s \| 28.0%)
IM 100 Y	1:27.92	N/A	N/A	N/A	N/A	N/A	N/A	1:08.09 (+19.83s \| 22.6%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	41.95	25.89 (+16.06s \| 38.3%)	24.59 (+17.36s \| 41.4%)	24.59 (+17.36s \| 41.4%)	24.29 (+17.66s \| 42.1%)	23.39 (+18.56s \| 44.2%)	23.79 (+18.16s \| 43.3%)	31.49 (+10.46s \| 24.9%)
Free 100 M	1:31.62	56.09 (+35.53s \| 38.8%)	53.59 (+38.03s \| 41.5%)	53.59 (+38.03s \| 41.5%)	52.59 (+39.03s \| 42.6%)	50.99 (+40.63s \| 44.3%)	51.99 (+39.63s \| 43.3%)	1:07.49 (+24.13s \| 26.3%)
Back 50 M	49.16	N/A	N/A	N/A	N/A	N/A	N/A	36.79 (+12.37s \| 25.2%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

SDAT Winter Pentathlon

12/13/2025

Bountiful

50 Y Breast

49.53

-4.55s (New PB)

B: 43.49 (+6.04s | 12.2%)

50 Y Free

35.01

+0.26s

B: 32.79 (+2.22s | 6.3%)

100 Y IM

1:27.92

-4.13s (New PB)

B: 1:21.89 (+6.03s | 6.9%)

50 Y Fly

42.32

-0.09s (New PB)

B: 37.09 (+5.23s | 12.4%)

Dive Into The Unknown 2025

11/01/2025

Salt Lake City

50 Y Fly

42.41

-2.85s (New PB)

B: 37.09 (+5.32s | 12.5%)

50 Y Back

39.93

-0.68s (New PB)

B: 38.49 (+1.44s | 3.6%)

200 Y Breast

3:59.34

B: 3:16.39 (+42.95s | 17.9%)

50 Breast

50.40

100 Breast

1:02.83

1:53.23

100 Breast

1:53.23

200 Breast

2:06.11

3:59.34

100 Breast

2:06.11

WFFM Halloween IMX 2024

10/23/2025

Salrt Lake City

50 Y Fly

45.26

-4.38s (New PB)

B: 37.09 (+8.17s | 18.1%)

50 Y Free

34.75

-0.94s (New PB)

B: 32.79 (+1.96s | 5.6%)

100 Y Free

1:19.31

+1.35s

B: 1:11.49 (+7.82s | 9.9%)

50 Free

38.55

100 Free

40.76

1:19.31

100 Free

1:19.31

Tsunami Fall Kick Off 2025

09/26/2025

Bountiful

200 Y Free

2:54.87

-11.39s (New PB)

B: 2:35.99 (+18.88s | 10.8%)

50 Free

38.25

100 Free

44.74

1:22.99

100 Free

1:22.99

150 Free

45.18

2:08.17

200 Free

46.70

2:54.87

100 Free

1:31.88

100 Y Free

1:17.96

-4.50s (New PB)

B: 1:11.49 (+6.47s | 8.3%)

50 Free

36.69

100 Free

41.27

1:17.96

100 Free

1:17.96

100 Y Breast

1:57.09

-6.16s (New PB)

B: 1:32.59 (+24.50s | 20.9%)

50 Breast

55.23

100 Breast

1:01.86

1:57.09

100 Breast

1:57.09

50 Y Back

40.61

-2.94s (New PB)

B: 38.49 (+2.12s | 5.2%)

50 Y Free

35.69

-0.66s (New PB)

B: 32.79 (+2.90s | 8.1%)

100 Y IM

1:32.05

B: 1:21.89 (+10.16s | 11.0%)

50 IM

42.66

100 IM

49.38

1:32.04

100 IM

1:32.04

Flower Power Invite 2025

05/03/2025

Salt Lake City

50 Y Free

36.35

-2.09s (New PB)

B: 32.79 (+3.56s | 9.8%)

100 Y Free

1:22.46

-0.82s (New PB)

B: 1:11.49 (+10.97s | 13.3%)

50 Free

39.17

100 Free

43.29

1:22.46

100 Free

1:22.46

2025 UVrays LC May Invitational

05/02/2025

Orem

50 M Free

41.95

B: 37.39 (+4.56s | 10.9%)

50 M Back

49.16

B: 44.49 (+4.67s | 9.5%)

100 M Free

1:31.62

B: 1:22.09 (+9.53s | 10.4%)

50 Free

43.22

100 Free

48.40

1:31.62

100 Free

1:31.62

Skyline Last Chance 2025

02/21/2025

Salt Lake City

50 Y Breast

54.08

-0.12s (New PB)

B: 43.49 (+10.59s | 19.6%)

200 Y Free

3:06.26

-2.10s (New PB)

B: 2:35.99 (+30.27s | 16.3%)

50 Free

43.77

100 Free

47.68

1:31.45

100 Free

1:31.45

150 Free

47.53

2:18.98

200 Free

47.28

3:06.26

100 Free

1:34.81

50 Y Back

43.55

-2.16s (New PB)

B: 38.49 (+5.06s | 11.6%)

100 Y Free

1:23.28

-3.85s (New PB)

B: 1:11.49 (+11.79s | 14.2%)

50 Free

40.04

100 Free

43.24

1:23.28

100 Free

1:23.28

59th Holiday Open 2024 C Meet

12/27/2024

Kearns

100 Y Free

1:27.13

-2.30s (New PB)

B: 1:11.49 (+15.64s | 18.0%)

50 Free

40.30

100 Free

46.83

1:27.13

100 Free

1:27.13

50 Y Back

45.71

-0.01s (New PB)

B: 38.49 (+7.22s | 15.8%)

100 Y Breast

2:03.25

B: 1:32.59 (+30.66s | 24.9%)

50 Breast

56.33

100 Breast

1:06.92

2:03.25

100 Breast

2:03.25

50 Y Fly

49.64

-4.13s (New PB)

B: 37.09 (+12.55s | 25.3%)

200 Y Free

3:08.36

B: 2:35.99 (+32.37s | 17.2%)

50 Free

41.31

100 Free

48.41

1:29.72

100 Free

1:29.72

150 Free

50.54

2:20.26

200 Free

48.10

3:08.36

100 Free

1:38.64

50 Y Free

38.44

-1.33s (New PB)

B: 32.79 (+5.65s | 14.7%)

50 Y Breast

54.20

B: 43.49 (+10.71s | 19.8%)

WFFM December Developmental

12/12/2024

Murrray

50 Y Free

39.77

B: 32.79 (+6.98s | 17.6%)

50 Y Fly

53.77

B: 37.09 (+16.68s | 31.0%)

100 Y Free

1:29.43

-6.63s (New PB)

B: 1:11.49 (+17.94s | 20.1%)

50 Free

40.93

100 Free

48.50

1:29.43

100 Free

1:29.43

50 Y Back

45.72

-3.04s (New PB)

B: 38.49 (+7.23s | 15.8%)

2024 WVA PSC Dive N Dash

11/15/2024

West Valley City

50 Y Back

48.76

B: 38.49 (+10.27s | 21.1%)

100 Y Free

1:36.06

B: 1:11.49 (+24.57s | 25.6%)

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.