Derek Zhu

Age: 10 years old
Age Category: 10 & under
Team: Chinook Aquatic Club | Pacific Northwest Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Chinook Aquatic Club

Pacific Northwest Swimming

Western Zone

USA

Free 25 Y

18.66

11/03/2024

112

585

1,000+

Free 50 Y

34.56

03/07/2026

A: 31.09 (+3.47s | 10.0%)

112

607

1,000+

Back 25 Y

22.79

11/03/2024

121

558

1,000+

Back 50 Y

40.52

03/07/2026

A: 37.59 (+2.93s | 7.2%)

414

1,000+

Back 100 Y

1:50.82

Analysis

10/19/2024

B: 1:40.69 (+10.13s | 9.1%)

230

1,000+

50 Back

54.41

100 Back

56.41

1:50.82

100 Back

1:50.82

Breast 25 Y

28.67

10/05/2024

194

922

1,000+

Breast 50 Y

53.61

11/09/2025

B: 53.39 (+0.22s | 0.4%)

238

1,000+

Breast 100 Y

1:47.60

Analysis

03/07/2026

BB: 1:42.29 (+5.31s | 4.9%)

121

636

1,000+

50 Breast

50.07

100 Breast

57.53

1:47.60

100 Breast

1:47.60

Fly 25 Y

24.73

11/03/2024

153

679

1,000+

Fly 50 Y

48.11

11/09/2025

B: 46.49 (+1.62s | 3.4%)

183

894

1,000+

IM 100 Y

1:37.87

Analysis

11/22/2025

BB: 1:29.69 (+8.18s | 8.4%)

165

856

1,000+

50 IM

49.67

100 IM

48.20

1:37.87

100 IM

1:37.87

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Chinook Aquatic Club	Pacific Northwest Swimming	Western Zone	USA
Free 50 M	36.95		10	07/23/2026	BB	A: 35.69 (+1.26s \| 3.4%)	3	39	331	985

Free 100 M	1:30.03	Analysis	10	07/09/2026	BB	A: 1:20.19 (+9.84s \| 10.9%)	4	86	569	1,000+

Back 50 M	43.93		10	07/23/2026	BB	A: 43.09 (+0.84s \| 1.9%)	1	44	282	861

Back 100 M	1:38.25	Analysis	10	07/09/2026	BB	A: 1:32.29 (+5.96s \| 6.1%)	2	51	338	1,000+

Breast 50 M	54.71		10	07/09/2026	B	BB: 54.39 (+0.32s \| 0.6%)	5	110	594	1,000+

Above are the fastest times that Derek Zhu has achieved in his swimming career. For each event, you can find Derek's best time, the corresponding time standard, as well as how much faster Derek needs to be to reach the next level. The last columns provide Derek rankings at the team and LSC levels. These rankings are based on the Derek'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	34.56	22.19 (+12.37s \| 35.8%)	21.29 (+13.27s \| 38.4%)	21.29 (+13.27s \| 38.4%)	20.59 (+13.97s \| 40.4%)	20.09 (+14.47s \| 41.9%)	20.39 (+14.17s \| 41.0%)	30.49 (+4.07s \| 11.8%)
Back 50 Y	40.52	24.79 (+15.73s \| 38.8%)	N/A	N/A	N/A	N/A	N/A	36.29 (+4.23s \| 10.4%)
Back 100 Y	1:50.82	53.89 (+56.93s \| 51.4%)	51.49 (+59.33s \| 53.5%)	51.49 (+59.33s \| 53.5%)	49.39 (+61.43s \| 55.4%)	47.59 (+63.23s \| 57.1%)	48.89 (+61.93s \| 55.9%)	1:16.59 (+34.23s \| 30.9%)
Breast 50 Y	53.61	27.69 (+25.92s \| 48.3%)	N/A	N/A	N/A	N/A	N/A	40.29 (+13.32s \| 24.8%)
Breast 100 Y	1:47.60	1:00.89 (+46.71s \| 43.4%)	57.99 (+49.61s \| 46.1%)	57.99 (+49.61s \| 46.1%)	55.89 (+51.71s \| 48.1%)	54.19 (+53.41s \| 49.6%)	55.29 (+52.31s \| 48.6%)	1:26.29 (+21.31s \| 19.8%)
Fly 50 Y	48.11	24.09 (+24.02s \| 49.9%)	N/A	N/A	N/A	N/A	N/A	34.69 (+13.42s \| 27.9%)
IM 100 Y	1:37.87	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+20.88s \| 21.3%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	36.95	25.89 (+11.06s \| 29.9%)	24.59 (+12.36s \| 33.5%)	24.59 (+12.36s \| 33.5%)	24.29 (+12.66s \| 34.3%)	23.39 (+13.56s \| 36.7%)	23.79 (+13.16s \| 35.6%)	34.59 (+2.36s \| 6.4%)
Free 100 M	1:30.03	56.09 (+33.94s \| 37.7%)	53.59 (+36.44s \| 40.5%)	53.59 (+36.44s \| 40.5%)	52.59 (+37.44s \| 41.6%)	50.99 (+39.04s \| 43.4%)	51.99 (+38.04s \| 42.3%)	1:16.89 (+13.14s \| 14.6%)
Back 50 M	43.93	29.29 (+14.64s \| 33.3%)	N/A	N/A	N/A	N/A	N/A	41.59 (+2.34s \| 5.3%)
Back 100 M	1:38.25	1:03.29 (+34.96s \| 35.6%)	1:00.59 (+37.66s \| 38.3%)	1:00.59 (+37.66s \| 38.3%)	58.89 (+39.36s \| 40.1%)	57.29 (+40.96s \| 41.7%)	58.19 (+40.06s \| 40.8%)	1:27.69 (+10.56s \| 10.7%)
Breast 50 M	54.71	32.89 (+21.82s \| 39.9%)	N/A	N/A	N/A	N/A	N/A	46.29 (+8.42s \| 15.4%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 PN LC 12 U Championships Approved

07/23/2026

Federal Way

50 M Back

43.93

-1.62s (New PB)

A: 43.09 (+0.84s | 1.9%)

50 M Free

36.95

-1.17s (New PB)

A: 35.69 (+1.26s | 3.4%)

50 M Breast

55.83

+1.12s

BB: 54.39 (+1.44s | 2.6%)

2026 PN Chinook Seattle Age Group Open Appro

07/09/2026

Seattle

100 M Back

1:38.25

A: 1:32.29 (+5.96s | 6.1%)

50 M Breast

54.71

BB: 54.39 (+0.32s | 0.6%)

50 M Free

38.12

A: 35.69 (+2.43s | 6.4%)

50 M Back

45.55

A: 43.09 (+2.46s | 5.4%)

100 M Free

1:30.03

A: 1:20.19 (+9.84s | 10.9%)

2026 PN C March Madness Approved

03/07/2026

Mercer Island

50 Y Back

40.52

-4.22s (New PB)

A: 37.59 (+2.93s | 7.2%)

50 Y Free

34.56

-5.26s (New PB)

A: 31.09 (+3.47s | 10.0%)

100 Y Breast

1:47.60

BB: 1:42.29 (+5.31s | 4.9%)

50 Breast

50.07

100 Breast

57.53

1:47.60

100 Breast

1:47.60

2025 PN November AGI Div 1 (PDST)

11/22/2025

Mercer Island

50 Y Free

39.84

+0.02s

B: 38.19 (+1.65s | 4.1%)

100 Y IM

1:37.87

-0.97s (New PB)

BB: 1:29.69 (+8.18s | 8.4%)

50 IM

49.67

100 IM

48.20

1:37.87

100 IM

1:37.87

50 Y Back

44.89

+0.15s

BB: 42.89 (+2.00s | 4.5%)

2025 PN C Pentathlon

11/09/2025

Renton

50 Y Breast

53.61

-2.12s (New PB)

B: 53.39 (+0.22s | 0.4%)

100 Y IM

1:38.84

-5.64s (New PB)

BB: 1:29.69 (+9.15s | 9.3%)

50 IM

48.10

100 IM

50.74

1:38.84

100 IM

1:38.84

50 Y Back

44.74

-2.30s (New PB)

BB: 42.89 (+1.85s | 4.1%)

50 Y Free

39.82

-2.58s (New PB)

B: 38.19 (+1.63s | 4.1%)

50 Y Fly

48.11

B: 46.49 (+1.62s | 3.4%)

2025 PN Spring Finale, Division 1

03/29/2025

Renton

50 Y Free

42.40

-2.96s (New PB)

B: 38.19 (+4.21s | 9.9%)

50 Y Back

47.04

-5.38s (New PB)

BB: 42.89 (+4.15s | 8.8%)

100 Y IM

1:44.48

-11.73s (New PB)

B: 1:39.69 (+4.79s | 4.6%)

50 IM

48.74

100 IM

55.74

1:44.48

100 IM

1:44.48

50 Y Breast

55.73

-10.25s (New PB)

B: 53.39 (+2.34s | 4.2%)

2024 PN C Pentathlon

11/03/2024

Mercer Island

25 Y Breast

32.30

+3.63s

25 Y Fly

24.73

-4.60s (New PB)

25 Y Free

18.66

-1.61s (New PB)

100 Y IM

1:56.21

B: 1:39.69 (+16.52s | 14.2%)

50 IM

56.42

100 IM

59.79

1:56.21

100 IM

1:56.21

25 Y Back

22.79

-0.83s (New PB)

2024 PN IST Fall Open

10/19/2024

Snohomish

50 Y Breast

1:05.98

B: 53.39 (+12.59s | 19.1%)

100 Y Back

1:50.82

-3.60s (New PB)

B: 1:40.69 (+10.13s | 9.1%)

50 Back

54.41

100 Back

56.41

1:50.82

100 Back

1:50.82

50 Y Free

45.36

-5.21s (New PB)

B: 38.19 (+7.17s | 15.8%)

2024 PN UPAC Fall Open

10/05/2024

University Place

25 Y Back

23.62

100 Y Back

1:54.42

B: 1:40.69 (+13.73s | 12.0%)

50 Back

55.69

100 Back

58.73

1:54.42

100 Back

1:54.42

50 Y Back

52.42

B: 48.29 (+4.13s | 7.9%)

25 Y Breast

28.67

25 Y Fly

29.33

50 Y Free

50.57

B: 38.19 (+12.38s | 24.5%)

25 Y Free

20.27

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.