Yuchen Zhou

Age: 10 years old
Age Category: 10 & under
Team: Eastside Aquatic Swim Team | Pacific Northwest Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Eastside Aquatic Swim Team

Pacific Northwest Swimming

Western Zone

USA

Free 50 Y

39.38

12/06/2025

B: 38.19 (+1.19s | 3.0%)

298

1,000+

Free 100 Y

1:32.36

02/07/2026

B: 1:27.99 (+4.37s | 4.7%)

264

1,000+

50 Free

42.62

100 Free

49.74

1:32.36

100 Free

1:32.36

Back 50 Y

45.48

11/15/2025

BB: 42.89 (+2.59s | 5.7%)

223

1,000+

Back 100 Y

1:41.99

01/17/2026

B: 1:40.69 (+1.30s | 1.3%)

189

1,000+

50 Back

49.32

100 Back

52.67

1:41.99

100 Back

1:41.99

Breast 50 Y

50.37

12/06/2025

BB: 47.69 (+2.68s | 5.3%)

180

994

1,000+

Breast 100 Y

1:53.13

01/17/2026

BB: 1:42.29 (+10.84s | 9.6%)

181

996

1,000+

50 Breast

54.77

100 Breast

58.36

1:53.13

100 Breast

1:53.13

Fly 50 Y

53.02

02/07/2026

B: 46.49 (+6.53s | 12.3%)

265

1,000+

IM 100 Y

1:49.31

01/17/2026

B: 1:39.69 (+9.62s | 8.8%)

292

1,000+

50 IM

52.25

100 IM

57.06

1:49.31

100 IM

1:49.31

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Eastside Aquatic Swim Team

Pacific Northwest Swimming

Western Zone

USA

Free 50 M

47.34

06/14/2025

B: 43.89 (+3.45s | 7.3%)

143

903

1,000+

Free 100 M

1:52.74

07/11/2025

B: 1:40.99 (+11.75s | 10.4%)

134

941

1,000+

50 Free

52.73

100 Free

1:00.01

1:52.74

100 Free

1:52.74

Back 50 M

55.88

07/11/2025

B: 55.39 (+0.49s | 0.9%)

132

858

1,000+

Breast 50 M

1:00.68

06/14/2025

BB: 54.39 (+6.29s | 10.4%)

108

634

1,000+

Breast 100 M

2:24.66

06/14/2025

B: 2:12.89 (+11.77s | 8.1%)

104

665

1,000+

Above are the fastest times that Yuchen Zhou has achieved in his swimming career. For each event, you can find Yuchen's best time, the corresponding time standard, as well as how much faster Yuchen needs to be to reach the next level. The last columns provide Yuchen rankings at the team and LSC levels. These rankings are based on the Yuchen'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	39.38	22.19 (+17.19s \| 43.7%)	21.29 (+18.09s \| 45.9%)	21.29 (+18.09s \| 45.9%)	20.59 (+18.79s \| 47.7%)	20.09 (+19.29s \| 49.0%)	20.39 (+18.99s \| 48.2%)	30.49 (+8.89s \| 22.6%)
Free 100 Y	1:32.36	48.19 (+44.17s \| 47.8%)	46.39 (+45.97s \| 49.8%)	46.39 (+45.97s \| 49.8%)	45.09 (+47.27s \| 51.2%)	43.49 (+48.87s \| 52.9%)	44.39 (+47.97s \| 51.9%)	1:07.19 (+25.17s \| 27.3%)
Back 50 Y	45.48	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+9.19s \| 20.2%)
Back 100 Y	1:41.99	53.89 (+48.10s \| 47.2%)	51.49 (+50.50s \| 49.5%)	51.49 (+50.50s \| 49.5%)	49.39 (+52.60s \| 51.6%)	47.59 (+54.40s \| 53.3%)	48.89 (+53.10s \| 52.1%)	1:16.59 (+25.40s \| 24.9%)
Breast 50 Y	50.37	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+10.08s \| 20.0%)
Breast 100 Y	1:53.13	1:00.89 (+52.24s \| 46.2%)	57.99 (+55.14s \| 48.7%)	57.99 (+55.14s \| 48.7%)	55.89 (+57.24s \| 50.6%)	54.19 (+58.94s \| 52.1%)	55.29 (+57.84s \| 51.1%)	1:26.29 (+26.84s \| 23.7%)
Fly 50 Y	53.02	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+18.33s \| 34.6%)
IM 100 Y	1:49.31	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+32.32s \| 29.6%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	47.34	25.89 (+21.45s \| 45.3%)	24.59 (+22.75s \| 48.1%)	24.59 (+22.75s \| 48.1%)	24.29 (+23.05s \| 48.7%)	23.39 (+23.95s \| 50.6%)	23.79 (+23.55s \| 49.7%)	34.59 (+12.75s \| 26.9%)
Free 100 M	1:52.74	56.09 (+56.65s \| 50.2%)	53.59 (+59.15s \| 52.5%)	53.59 (+59.15s \| 52.5%)	52.59 (+60.15s \| 53.4%)	50.99 (+61.75s \| 54.8%)	51.99 (+60.75s \| 53.9%)	1:16.89 (+35.85s \| 31.8%)
Back 50 M	55.88	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+14.29s \| 25.6%)
Breast 50 M	1:00.68	N/A	N/A	N/A	N/A	N/A	N/A	46.29 (+14.39s \| 23.7%)
Breast 100 M	2:24.66	1:11.29 (+73.37s \| 50.7%)	1:08.19 (+76.47s \| 52.9%)	1:08.19 (+76.47s \| 52.9%)	1:06.59 (+78.07s \| 54.0%)	1:04.09 (+80.57s \| 55.7%)	1:05.29 (+79.37s \| 54.9%)	1:40.19 (+44.47s \| 30.7%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 PN IST Feb Winter Invitational Approved

02/07/2026

Federal Way

100 Y Free

1:32.36

-7.21s (New PB)

B: 1:27.99 (+4.37s | 4.7%)

50 Free

42.62

100 Free

49.74

1:32.36

100 Free

1:32.36

50 Y Back

46.25

+0.77s

BB: 42.89 (+3.36s | 7.3%)

50 Y Fly

53.02

-1.88s (New PB)

B: 46.49 (+6.53s | 12.3%)

2026 PN SMAC Winter Invitational Approved

01/17/2026

Snohomish

100 Y IM

1:49.31

B: 1:39.69 (+9.62s | 8.8%)

50 IM

52.25

100 IM

57.06

1:49.31

100 IM

1:49.31

100 Y Breast

1:53.13

BB: 1:42.29 (+10.84s | 9.6%)

50 Breast

54.77

100 Breast

58.36

1:53.13

100 Breast

1:53.13

100 Y Back

1:41.99

B: 1:40.69 (+1.30s | 1.3%)

50 Back

49.32

100 Back

52.67

1:41.99

100 Back

1:41.99

2025 PN Fall Divisionals, Division 1 OCA

12/06/2025

Federal Way

50 Y Free

39.38

-1.95s (New PB)

B: 38.19 (+1.19s | 3.0%)

50 Y Breast

50.37

-2.10s (New PB)

BB: 47.69 (+2.68s | 5.3%)

50 Y Fly

54.90

B: 46.49 (+8.41s | 15.3%)

50 Y Back

46.92

+1.44s

BB: 42.89 (+4.03s | 8.6%)

2025 PN IST November Invitational

11/15/2025

Snohomish

50 Y Breast

52.47

-5.82s (New PB)

BB: 47.69 (+4.78s | 9.1%)

50 Y Back

45.48

-3.89s (New PB)

BB: 42.89 (+2.59s | 5.7%)

50 Y Free

41.33

B: 38.19 (+3.14s | 7.6%)

2025 THSC Summer Classic

07/11/2025

Beaverton

100 M Free

1:52.74

-3.58s (New PB)

B: 1:40.99 (+11.75s | 10.4%)

50 Free

52.73

100 Free

1:00.01

1:52.74

100 Free

1:52.74

50 M Back

55.88

-0.96s (New PB)

B: 55.39 (+0.49s | 0.9%)

50 M Free

50.53

+3.19s

B: 43.89 (+6.64s | 13.1%)

50 M Breast

1:03.66

+2.98s

B: 1:00.89 (+2.77s | 4.4%)

2025 IST June Invtational

06/14/2025

Federal Way

50 M Breast

1:00.68

-2.94s (New PB)

BB: 54.39 (+6.29s | 10.4%)

50 M Back

56.84

-0.51s (New PB)

B: 55.39 (+1.45s | 2.6%)

100 M Breast

2:24.66

B: 2:12.89 (+11.77s | 8.1%)

50 M Free

47.34

-4.34s (New PB)

B: 43.89 (+3.45s | 7.3%)

2025 PN VAST Summer Sprints And Distance Chal

05/31/2025

Federal Way

50 M Breast

1:03.62

-3.09s (New PB)

B: 1:00.89 (+2.73s | 4.3%)

50 M Back

57.35

B: 55.39 (+1.96s | 3.4%)

100 M Free

1:56.32

B: 1:40.99 (+15.33s | 13.2%)

50 Free

51.91

100 Free

1:04.41

1:56.32

100 Free

1:56.32

2025 PN SSCD Spring Open

05/03/2025

Mukilteo

50 Y Breast

58.72

+0.43s

B: 53.39 (+5.33s | 9.1%)

100 Y Free

1:39.57

-4.91s (New PB)

B: 1:27.99 (+11.58s | 11.6%)

50 Free

44.52

100 Free

55.05

1:39.57

100 Free

1:39.57

50 Y Back

53.46

+4.09s

B: 48.29 (+5.17s | 9.7%)

2025 PN KING Spring Derby

04/25/2025

Federal Way

50 M Free

51.68

B: 43.89 (+7.79s | 15.1%)

50 M Breast

1:06.71

B: 1:00.89 (+5.82s | 8.7%)

2025 PN EAST February Invitational

02/01/2025

Renton

50 Y Back

51.67

+2.30s

B: 48.29 (+3.38s | 6.5%)

50 Y Breast

58.29

B: 53.39 (+4.90s | 8.4%)

100 Y Free

1:44.48

-7.66s (New PB)

B: 1:27.99 (+16.49s | 15.8%)

50 Free

45.61

100 Free

58.87

1:44.48

100 Free

1:44.48

2024 PN November AGI, Division 1 PDST

11/23/2024

Mercer Island

50 Y Back

49.37

-5.08s (New PB)

B: 48.29 (+1.08s | 2.2%)

2024 PN IST Fall Open

10/19/2024

Snohomish

100 Y Free

1:52.14

B: 1:27.99 (+24.15s | 21.5%)

50 Y Back

54.45

B: 48.29 (+6.16s | 11.3%)

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.