Derek Yun

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

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Pacific Northwest Swimming

Pacific Dragons Swim Team

Free 25 Y

27.54

09/30/2023

432

Free 50 Y

43.55

10/18/2025

B: 38.19 (+5.36s | 12.3%)

396

Back 50 Y

50.50

10/04/2025

B: 48.29 (+2.21s | 4.4%)

308

Breast 50 Y

57.19

10/04/2025

B: 53.39 (+3.80s | 6.6%)

289

Breast 100 Y

1:52.76

10/18/2025

BB: 1:42.29 (+10.47s | 9.3%)

146

50 Breast

54.30

100 Breast

58.46

1:52.76

100 Breast

1:52.76

Fly 50 Y

54.25

10/18/2025

B: 46.49 (+7.76s | 14.3%)

227

IM 100 Y

1:48.29

10/04/2025

B: 1:39.69 (+8.60s | 7.9%)

251

50 IM

53.18

100 IM

55.11

1:48.29

100 IM

1:48.29

Long course distance

Event	Time	Age	Date	Standard	Next Standard	Pacific Northwest Swimming	Pacific Dragons Swim Team
Free 50 M	47.33	10	05/31/2025		B: 43.89 (+3.44s \| 7.3%)	177	19

Free 100 M	1:26.65	10	06/14/2025	BB	A: 1:20.19 (+6.46s \| 7.5%)	27	2

Back 50 M	59.33	10	05/31/2025		B: 55.39 (+3.94s \| 6.6%)	203	24

Breast 100 M	2:14.99	10	06/14/2025		B: 2:12.89 (+2.10s \| 1.6%)	117	14

Fly 50 M	1:06.83	10	06/14/2025		B: 52.29 (+14.54s \| 21.8%)	149	18

Above are the fastest times that Derek Yun 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	43.55	22.19 (+21.36s \| 49.0%)	21.29 (+22.26s \| 51.1%)	21.29 (+22.26s \| 51.1%)	20.59 (+22.96s \| 52.7%)	20.09 (+23.46s \| 53.9%)	20.39 (+23.16s \| 53.2%)	30.49 (+13.06s \| 30.0%)
Back 50 Y	50.50	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+14.21s \| 28.1%)
Breast 50 Y	57.19	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+16.90s \| 29.6%)
Breast 100 Y	1:52.76	1:00.89 (+51.87s \| 46.0%)	57.99 (+54.77s \| 48.6%)	57.99 (+54.77s \| 48.6%)	55.89 (+56.87s \| 50.4%)	54.19 (+58.57s \| 51.9%)	55.29 (+57.47s \| 51.0%)	1:26.29 (+26.47s \| 23.5%)
Fly 50 Y	54.25	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+19.56s \| 36.1%)
IM 100 Y	1:48.29	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+31.30s \| 28.9%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	47.33	25.89 (+21.44s \| 45.3%)	24.59 (+22.74s \| 48.0%)	24.59 (+22.74s \| 48.0%)	24.29 (+23.04s \| 48.7%)	23.39 (+23.94s \| 50.6%)	23.79 (+23.54s \| 49.7%)	34.59 (+12.74s \| 26.9%)
Free 100 M	1:26.65	56.09 (+30.56s \| 35.3%)	53.59 (+33.06s \| 38.2%)	53.59 (+33.06s \| 38.2%)	52.59 (+34.06s \| 39.3%)	50.99 (+35.66s \| 41.2%)	51.99 (+34.66s \| 40.0%)	1:16.89 (+9.76s \| 11.3%)
Back 50 M	59.33	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+17.74s \| 29.9%)
Breast 100 M	2:14.99	1:11.29 (+63.70s \| 47.2%)	1:08.19 (+66.80s \| 49.5%)	1:08.19 (+66.80s \| 49.5%)	1:06.59 (+68.40s \| 50.7%)	1:04.09 (+70.90s \| 52.5%)	1:05.29 (+69.70s \| 51.6%)	1:40.19 (+34.80s \| 25.8%)
Fly 50 M	1:06.83	N/A	N/A	N/A	N/A	N/A	N/A	39.19 (+27.64s \| 41.4%)

Progression

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Meets

See all the meets Derek Yun 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

2025 PN VAST Fall Classic

10/18/2025

Federal Way

100 Y Breast

1:52.76

-15.50s (New PB)

BB: 1:42.29 (+10.47s | 9.3%)

50 Breast

54.30

100 Breast

58.46

1:52.76

100 Breast

1:52.76

50 Y Free

43.55

-2.06s (New PB)

B: 38.19 (+5.36s | 12.3%)

50 Y Fly

54.25

-2.66s (New PB)

B: 46.49 (+7.76s | 14.3%)

2025 PN OCA John Walker Invitational

10/04/2025

Mercer Island

50 Y Free

45.61

-1.38s (New PB)

B: 38.19 (+7.42s | 16.3%)

50 Y Back

50.50

-3.92s (New PB)

B: 48.29 (+2.21s | 4.4%)

50 Y Breast

57.19

-4.63s (New PB)

B: 53.39 (+3.80s | 6.6%)

100 Y IM

1:48.29

-7.63s (New PB)

B: 1:39.69 (+8.60s | 7.9%)

50 IM

53.18

100 IM

55.11

1:48.29

100 IM

1:48.29

2025 IST June Invtational

06/14/2025

Federal Way

100 M Free

1:26.65

A: 1:20.19 (+6.46s | 7.5%)

50 M Back

1:00.18

+0.85s

B: 55.39 (+4.79s | 8.0%)

100 M Breast

2:14.99

B: 2:12.89 (+2.10s | 1.6%)

50 M Fly

1:06.83

B: 52.29 (+14.54s | 21.8%)

2025 PN VAST Summer Sprints And Distance Chal

05/31/2025

Federal Way

50 M Free

47.33

B: 43.89 (+3.44s | 7.3%)

50 M Back

59.33

B: 55.39 (+3.94s | 6.6%)

2025 PN PDST March Pentathlon And Last Chance

03/08/2025

RENTON

50 Y Free

49.14

+2.15s

B: 38.19 (+10.95s | 22.3%)

50 Y Breast

1:01.82

B: 53.39 (+8.43s | 13.6%)

50 Y Back

54.42

-13.22s (New PB)

B: 48.29 (+6.13s | 11.3%)

50 Y Fly

56.91

B: 46.49 (+10.42s | 18.3%)

2025 PN PDST Winter Invitational

01/25/2025

Mercer Island

50 Y Free

46.99

-8.34s (New PB)

B: 38.19 (+8.80s | 18.7%)

100 Y IM

1:55.92

B: 1:39.69 (+16.23s | 14.0%)

50 IM

56.44

100 IM

59.48

1:55.92

100 IM

1:55.92

2024 PN PDST July Summer Splash Invitational

07/14/2024

Seattle

50 Y Free

55.33

-3.12s (New PB)

B: 38.19 (+17.14s | 31.0%)

50 Y Back

1:07.64

B: 48.29 (+19.35s | 28.6%)

100 Y Breast

2:08.26

B: 1:54.09 (+14.17s | 11.0%)

2024 PN PDST Winter Invitational

01/27/2024

Mercer Island

50 Y Free

58.45

B: 38.19 (+20.26s | 34.7%)

2023 PN OCA Fall Invitational

09/30/2023

Mercer Island

25 Y Free

27.54

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.