Dongsen Zheng

Age: 17 years old
Age Category: 17-18
Team: Irvine Novaquatics | Southern California Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Irvine Novaquatics

Southern California Swimming

Western Zone

USA

Free 50 Y

24.14

01/16/2026

A: 23.59 (+0.55s | 2.3%)

358

1,000+

Free 200 Y

1:53.21

Analysis

01/16/2026

AA: 1:49.69 (+3.52s | 3.1%)

259

1,000+

50 Free

25.96

100 Free

28.70

54.66

100 Free

54.66

150 Free

29.62

1:24.28

200 Free

28.93

1:53.21

100 Free

58.55

Free 1000 Y

11:11.88

Analysis

12/13/2024

A: 10:51.59 (+20.29s | 3.0%)

161

488

1,000+

50 Free

27.36

100 Free

31.35

58.71

100 Free

58.71

150 Free

31.57

1:30.28

200 Free

32.57

2:02.85

100 Free

1:04.14

250 Free

33.13

2:35.98

300 Free

33.06

3:09.04

100 Free

1:06.19

350 Free

34.09

3:43.13

400 Free

33.44

4:16.57

100 Free

1:07.53

450 Free

33.88

4:50.45

500 Free

34.81

5:25.26

100 Free

1:08.69

550 Free

35.31

6:00.57

600 Free

35.31

6:35.88

100 Free

1:10.62

650 Free

34.82

7:10.70

700 Free

35.06

7:45.76

100 Free

1:09.88

750 Free

35.24

8:21.00

800 Free

34.82

8:55.82

100 Free

1:10.06

850 Free

34.51

9:30.33

900 Free

34.69

10:05.02

100 Free

1:09.20

950 Free

34.31

10:39.33

1000 Free

32.55

11:11.88

100 Free

1:06.86

Free 1650 Y

18:37.17

Analysis

12/13/2024

A: 18:07.69 (+29.48s | 2.6%)

124

441

1,000+

50 Free

27.74

100 Free

30.50

58.24

100 Free

58.24

150 Free

32.26

1:30.50

200 Free

32.87

2:03.37

100 Free

1:05.13

250 Free

33.02

2:36.39

300 Free

34.01

3:10.40

100 Free

1:07.03

350 Free

34.08

3:44.48

400 Free

34.18

4:18.66

100 Free

1:08.26

450 Free

34.50

4:53.16

500 Free

35.23

5:28.39

100 Free

1:09.73

550 Free

34.94

6:03.33

600 Free

35.21

6:38.54

100 Free

1:10.15

650 Free

34.47

7:13.01

700 Free

35.53

7:48.54

100 Free

1:10.00

750 Free

35.17

8:23.71

800 Free

35.11

8:58.82

100 Free

1:10.28

850 Free

34.81

9:33.63

900 Free

34.73

10:08.36

100 Free

1:09.54

950 Free

34.71

10:43.07

1000 Free

34.55

11:17.62

100 Free

1:09.26

1050 Free

34.70

11:52.32

1100 Free

34.31

12:26.63

100 Free

1:09.01

1150 Free

34.50

13:01.13

1200 Free

34.22

13:35.35

100 Free

1:08.72

1250 Free

34.90

14:10.25

1300 Free

33.92

14:44.17

100 Free

1:08.82

1350 Free

33.94

15:18.11

1400 Free

33.41

15:51.52

100 Free

1:07.35

1450 Free

34.49

16:26.01

1500 Free

33.67

16:59.68

100 Free

1:08.16

1550 Free

33.41

17:33.09

1600 Free

32.74

18:05.83

100 Free

1:06.15

1650 Free

31.34

18:37.17

Breast 50 Y

30.17

01/16/2026

AA: 29.09 (+1.08s | 3.6%)

497

1,000+

Breast 100 Y

1:03.40

Analysis

12/12/2025

AA: 1:01.39 (+2.01s | 3.2%)

164

684

1,000+

50 Breast

29.84

100 Breast

33.56

1:03.40

100 Breast

1:03.40

Breast 200 Y

2:25.65

Analysis

12/13/2024

A: 2:19.09 (+6.56s | 4.5%)

193

748

1,000+

50 Breast

31.46

100 Breast

36.98

1:08.44

100 Breast

1:08.44

150 Breast

39.18

1:47.62

200 Breast

38.03

2:25.65

100 Breast

1:17.21

Fly 100 Y

58.92

Analysis

12/12/2025

A: 56.09 (+2.83s | 4.8%)

321

1,000+

50 Fly

27.26

100 Fly

31.66

58.92

100 Fly

58.92

IM 400 Y

4:46.02

Analysis

12/13/2024

A: 4:31.99 (+14.03s | 4.9%)

237

816

1,000+

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Irvine Novaquatics	Southern California Swimming	Western Zone	USA
Free 400 M	4:42.97	Analysis	17	06/12/2025	BB	A: 4:39.79 (+3.18s \| 1.1%)	29	221	673	1,000+

Breast 100 M	1:16.84	Analysis	17	06/12/2025	BB	A: 1:14.39 (+2.45s \| 3.2%)	31	202	686	1,000+

Breast 200 M	2:59.17	Analysis	17	06/12/2025	B	BB: 2:55.69 (+3.48s \| 1.9%)	29	237	782	1,000+

Above are the fastest times that Dongsen Zheng has achieved in his swimming career. For each event, you can find Dongsen's best time, the corresponding time standard, as well as how much faster Dongsen needs to be to reach the next level. The last columns provide Dongsen rankings at the team and LSC levels. These rankings are based on the Dongsen'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
Free 50 Y	24.14	22.19 (+1.95s \| 8.1%)	21.29 (+2.85s \| 11.8%)	21.29 (+2.85s \| 11.8%)	20.59 (+3.55s \| 14.7%)	20.09 (+4.05s \| 16.8%)	20.39 (+3.75s \| 15.5%)
Free 200 Y	1:53.21	1:45.79 (+7.42s \| 6.6%)	1:41.59 (+11.62s \| 10.3%)	1:41.59 (+11.62s \| 10.3%)	1:38.79 (+14.42s \| 12.7%)	1:36.49 (+16.72s \| 14.8%)	1:38.09 (+15.12s \| 13.4%)
Free 1000 Y	11:11.88	9:59.49 (+72.39s \| 10.8%)	9:34.29 (+97.59s \| 14.5%)	9:34.29 (+97.59s \| 14.5%)	9:25.49 (+106.39s \| 15.8%)	9:07.49 (+124.39s \| 18.5%)	9:13.19 (+118.69s \| 17.7%)
Free 1650 Y	18:37.17	16:43.89 (+113.28s \| 10.1%)	16:05.49 (+151.68s \| 13.6%)	16:05.49 (+151.68s \| 13.6%)	15:40.39 (+176.78s \| 15.8%)	15:17.39 (+199.78s \| 17.9%)	15:34.19 (+182.98s \| 16.4%)
Breast 50 Y	30.17	27.69 (+2.48s \| 8.2%)	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:03.40	1:00.89 (+2.51s \| 4.0%)	57.99 (+5.41s \| 8.5%)	57.99 (+5.41s \| 8.5%)	55.89 (+7.51s \| 11.8%)	54.19 (+9.21s \| 14.5%)	55.29 (+8.11s \| 12.8%)
Breast 200 Y	2:25.65	2:13.29 (+12.36s \| 8.5%)	2:07.99 (+17.66s \| 12.1%)	2:07.99 (+17.66s \| 12.1%)	2:02.29 (+23.36s \| 16.0%)	1:58.79 (+26.86s \| 18.4%)	2:00.99 (+24.66s \| 16.9%)
Fly 100 Y	58.92	52.89 (+6.03s \| 10.2%)	50.59 (+8.33s \| 14.1%)	50.59 (+8.33s \| 14.1%)	48.99 (+9.93s \| 16.9%)	47.79 (+11.13s \| 18.9%)	48.39 (+10.53s \| 17.9%)
IM 400 Y	4:46.02	4:14.69 (+31.33s \| 11.0%)	4:06.99 (+39.03s \| 13.6%)	4:06.99 (+39.03s \| 13.6%)	3:57.59 (+48.43s \| 16.9%)	3:48.79 (+57.23s \| 20.0%)	3:52.69 (+53.33s \| 18.6%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 400 M	4:42.97	4:21.09 (+21.88s \| 7.7%)	4:09.99 (+32.98s \| 11.7%)	4:09.99 (+32.98s \| 11.7%)	4:05.29 (+37.68s \| 13.3%)	3:59.29 (+43.68s \| 15.4%)	4:02.79 (+40.18s \| 14.2%)
Breast 100 M	1:16.84	1:11.29 (+5.55s \| 7.2%)	1:08.19 (+8.65s \| 11.3%)	1:08.19 (+8.65s \| 11.3%)	1:06.59 (+10.25s \| 13.3%)	1:04.09 (+12.75s \| 16.6%)	1:05.29 (+11.55s \| 15.0%)
Breast 200 M	2:59.17	2:35.79 (+23.38s \| 13.0%)	2:29.09 (+30.08s \| 16.8%)	2:29.09 (+30.08s \| 16.8%)	2:24.79 (+34.38s \| 19.2%)	2:19.69 (+39.48s \| 22.0%)	2:22.89 (+36.28s \| 20.2%)

Progression

See how Dongsen Zheng is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Dongsen's time to another swimmer's and even view their profile for more information about them.

Select the distance and stroke

Compare with another swimmer

View this profile

Meets

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

YARDS 2026 Road To Sofi

01/16/2026

La Mirada

50 Y Free

24.14

A: 23.59 (+0.55s | 2.3%)

100 Y Breast

1:04.60

+1.20s

A: 1:03.99 (+0.61s | 0.9%)

50 Breast

29.93

100 Breast

34.67

1:04.60

100 Breast

1:04.60

200 Y Free

1:53.21

AA: 1:49.69 (+3.52s | 3.1%)

50 Free

25.96

100 Free

28.70

54.66

100 Free

54.66

150 Free

29.62

1:24.28

200 Free

28.93

1:53.21

100 Free

58.55

200 Y Breast

2:25.77

+0.12s

A: 2:19.09 (+6.68s | 4.6%)

50 Breast

31.48

100 Breast

36.59

1:08.07

100 Breast

1:08.07

150 Breast

38.64

1:46.71

200 Breast

39.06

2:25.77

100 Breast

1:17.70

50 Y Breast

30.17

AA: 29.09 (+1.08s | 3.6%)

2025 CA SCS SCAT WAG

12/12/2025

San Clemente

200 Y Breast

2:27.83

+2.18s

A: 2:19.09 (+8.74s | 5.9%)

50 Breast

32.11

100 Breast

37.23

1:09.34

100 Breast

1:09.34

150 Breast

39.15

1:48.49

200 Breast

39.34

2:27.83

100 Breast

1:18.49

100 Y Breast

1:03.40

-1.02s (New PB)

AA: 1:01.39 (+2.01s | 3.2%)

50 Breast

29.84

100 Breast

33.56

1:03.40

100 Breast

1:03.40

100 Y Fly

58.92

A: 56.09 (+2.83s | 4.8%)

50 Fly

27.26

100 Fly

31.66

58.92

100 Fly

58.92

2025 SCS June AG Invite @ La Mirada Armada

06/12/2025

La Mirada

400 M Free

4:42.97

AA: 4:34.39 (+8.58s | 3.0%)

100 M Breast

1:16.84

A: 1:16.69 (+0.15s | 0.2%)

200 M Breast

2:59.17

A: 2:46.69 (+12.48s | 7.0%)

2024 CA RAA SCS WAG

12/13/2024

Riverside

400 Y IM

4:46.02

A: 4:36.19 (+9.83s | 3.4%)

1000 Y Free

11:11.88

A: 11:01.59 (+10.29s | 1.5%)

50 Free

27.36

100 Free

31.35

58.71

100 Free

58.71

150 Free

31.57

1:30.28

200 Free

32.57

2:02.85

100 Free

1:04.14

250 Free

33.13

2:35.98

300 Free

33.06

3:09.04

100 Free

1:06.19

350 Free

34.09

3:43.13

400 Free

33.44

4:16.57

100 Free

1:07.53

450 Free

33.88

4:50.45

500 Free

34.81

5:25.26

100 Free

1:08.69

550 Free

35.31

6:00.57

600 Free

35.31

6:35.88

100 Free

1:10.62

650 Free

34.82

7:10.70

700 Free

35.06

7:45.76

100 Free

1:09.88

750 Free

35.24

8:21.00

800 Free

34.82

8:55.82

100 Free

1:10.06

850 Free

34.51

9:30.33

900 Free

34.69

10:05.02

100 Free

1:09.20

950 Free

34.31

10:39.33

1000 Free

32.55

11:11.88

100 Free

1:06.86

1650 Y Free

18:37.17

A: 18:22.79 (+14.38s | 1.3%)

50 Free

27.74

100 Free

30.50

58.24

100 Free

58.24

150 Free

32.26

1:30.50

200 Free

32.87

2:03.37

100 Free

1:05.13

250 Free

33.02

2:36.39

300 Free

34.01

3:10.40

100 Free

1:07.03

350 Free

34.08

3:44.48

400 Free

34.18

4:18.66

100 Free

1:08.26

450 Free

34.50

4:53.16

500 Free

35.23

5:28.39

100 Free

1:09.73

550 Free

34.94

6:03.33

600 Free

35.21

6:38.54

100 Free

1:10.15

650 Free

34.47

7:13.01

700 Free

35.53

7:48.54

100 Free

1:10.00

750 Free

35.17

8:23.71

800 Free

35.11

8:58.82

100 Free

1:10.28

850 Free

34.81

9:33.63

900 Free

34.73

10:08.36

100 Free

1:09.54

950 Free

34.71

10:43.07

1000 Free

34.55

11:17.62

100 Free

1:09.26

1050 Free

34.70

11:52.32

1100 Free

34.31

12:26.63

100 Free

1:09.01

1150 Free

34.50

13:01.13

1200 Free

34.22

13:35.35

100 Free

1:08.72

1250 Free

34.90

14:10.25

1300 Free

33.92

14:44.17

100 Free

1:08.82

1350 Free

33.94

15:18.11

1400 Free

33.41

15:51.52

100 Free

1:07.35

1450 Free

34.49

16:26.01

1500 Free

33.67

16:59.68

100 Free

1:08.16

1550 Free

33.41

17:33.09

1600 Free

32.74

18:05.83

100 Free

1:06.15

1650 Free

31.34

18:37.17

100 Y Breast

1:04.42

AA: 1:03.19 (+1.23s | 1.9%)

50 Breast

30.20

100 Breast

34.22

1:04.42

100 Breast

1:04.42

200 Y Breast

2:25.65

A: 2:23.19 (+2.46s | 1.7%)

50 Breast

31.46

100 Breast

36.98

1:08.44

100 Breast

1:08.44

150 Breast

39.18

1:47.62

200 Breast

38.03

2:25.65

100 Breast

1:17.21

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
Free 50 Y	24.14	22.19 (+1.95s \| 8.1%)	21.29 (+2.85s \| 11.8%)	21.29 (+2.85s \| 11.8%)	20.59 (+3.55s \| 14.7%)	20.09 (+4.05s \| 16.8%)	20.39 (+3.75s \| 15.5%)
Free 200 Y	1:53.21	1:45.79 (+7.42s \| 6.6%)	1:41.59 (+11.62s \| 10.3%)	1:41.59 (+11.62s \| 10.3%)	1:38.79 (+14.42s \| 12.7%)	1:36.49 (+16.72s \| 14.8%)	1:38.09 (+15.12s \| 13.4%)
Free 1000 Y	11:11.88	9:59.49 (+72.39s \| 10.8%)	9:34.29 (+97.59s \| 14.5%)	9:34.29 (+97.59s \| 14.5%)	9:25.49 (+106.39s \| 15.8%)	9:07.49 (+124.39s \| 18.5%)	9:13.19 (+118.69s \| 17.7%)
Free 1650 Y	18:37.17	16:43.89 (+113.28s \| 10.1%)	16:05.49 (+151.68s \| 13.6%)	16:05.49 (+151.68s \| 13.6%)	15:40.39 (+176.78s \| 15.8%)	15:17.39 (+199.78s \| 17.9%)	15:34.19 (+182.98s \| 16.4%)
Breast 50 Y	30.17	27.69 (+2.48s \| 8.2%)	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:03.40	1:00.89 (+2.51s \| 4.0%)	57.99 (+5.41s \| 8.5%)	57.99 (+5.41s \| 8.5%)	55.89 (+7.51s \| 11.8%)	54.19 (+9.21s \| 14.5%)	55.29 (+8.11s \| 12.8%)
Breast 200 Y	2:25.65	2:13.29 (+12.36s \| 8.5%)	2:07.99 (+17.66s \| 12.1%)	2:07.99 (+17.66s \| 12.1%)	2:02.29 (+23.36s \| 16.0%)	1:58.79 (+26.86s \| 18.4%)	2:00.99 (+24.66s \| 16.9%)
Fly 100 Y	58.92	52.89 (+6.03s \| 10.2%)	50.59 (+8.33s \| 14.1%)	50.59 (+8.33s \| 14.1%)	48.99 (+9.93s \| 16.9%)	47.79 (+11.13s \| 18.9%)	48.39 (+10.53s \| 17.9%)
IM 400 Y	4:46.02	4:14.69 (+31.33s \| 11.0%)	4:06.99 (+39.03s \| 13.6%)	4:06.99 (+39.03s \| 13.6%)	3:57.59 (+48.43s \| 16.9%)	3:48.79 (+57.23s \| 20.0%)	3:52.69 (+53.33s \| 18.6%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 400 M	4:42.97	4:21.09 (+21.88s \| 7.7%)	4:09.99 (+32.98s \| 11.7%)	4:09.99 (+32.98s \| 11.7%)	4:05.29 (+37.68s \| 13.3%)	3:59.29 (+43.68s \| 15.4%)	4:02.79 (+40.18s \| 14.2%)
Breast 100 M	1:16.84	1:11.29 (+5.55s \| 7.2%)	1:08.19 (+8.65s \| 11.3%)	1:08.19 (+8.65s \| 11.3%)	1:06.59 (+10.25s \| 13.3%)	1:04.09 (+12.75s \| 16.6%)	1:05.29 (+11.55s \| 15.0%)
Breast 200 M	2:59.17	2:35.79 (+23.38s \| 13.0%)	2:29.09 (+30.08s \| 16.8%)	2:29.09 (+30.08s \| 16.8%)	2:24.79 (+34.38s \| 19.2%)	2:19.69 (+39.48s \| 22.0%)	2:22.89 (+36.28s \| 20.2%)