Yichen Sun

Age: 8 years old
Age Category: 10 & under
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Palo Alto Stanford Aquatics

Pacific Swimming

Western Zone

USA

Free 25 Y

28.44

10/05/2024

903

1,000+

Free 50 Y

52.01

10/25/2025

B: 38.19 (+13.82s | 26.6%)

100

1,000+

Free 100 Y

1:49.89

12/20/2025

B: 1:27.99 (+21.90s | 19.9%)

828

1,000+

50 Free

52.05

100 Free

57.84

1:49.89

100 Free

1:49.89

Breast 25 Y

27.46

10/26/2024

317

743

1,000+

Breast 50 Y

1:03.98

12/20/2025

B: 53.39 (+10.59s | 16.6%)

837

1,000+

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Palo Alto Stanford Aquatics

Pacific Swimming

Western Zone

USA

Free 50 M

1:06.03

06/06/2025

B: 43.89 (+22.14s | 33.5%)

517

1,000+

Free 100 M

2:14.35

05/17/2025

B: 1:40.99 (+33.36s | 24.8%)

422

1,000+

50 Free

1:05.54

100 Free

1:08.81

2:14.35

100 Free

2:14.35

Breast 50 M

1:20.53

06/06/2025

B: 1:00.89 (+19.64s | 24.4%)

421

1,000+

Above are the fastest times that Yichen Sun has achieved in his swimming career. For each event, you can find Yichen's best time, the corresponding time standard, as well as how much faster Yichen needs to be to reach the next level. The last columns provide Yichen rankings at the team and LSC levels. These rankings are based on the Yichen'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	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	SouthWestern Age Group Regional
Free 50 Y	52.01	30.99 (+21.02s \| 40.4%)	30.19 (+21.82s \| 42.0%)	26.89 (+25.12s \| 48.3%)	24.79 (+27.22s \| 52.3%)	23.29 (+28.72s \| 55.2%)	22.19 (+29.82s \| 57.3%)	21.29 (+30.72s \| 59.1%)	21.29 (+30.72s \| 59.1%)	20.59 (+31.42s \| 60.4%)	20.09 (+31.92s \| 61.4%)	20.39 (+31.62s \| 60.8%)	N/A	30.49 (+21.52s \| 41.4%)
Free 100 Y	1:49.89	1:09.69 (+40.20s \| 36.6%)	1:07.59 (+42.30s \| 38.5%)	58.69 (+51.20s \| 46.6%)	54.19 (+55.70s \| 50.7%)	51.19 (+58.70s \| 53.4%)	48.19 (+61.70s \| 56.1%)	46.39 (+63.50s \| 57.8%)	46.39 (+63.50s \| 57.8%)	45.09 (+64.80s \| 59.0%)	43.49 (+66.40s \| 60.4%)	44.39 (+65.50s \| 59.6%)	N/A	1:07.19 (+42.70s \| 38.9%)
Breast 50 Y	1:03.98	40.99 (+22.99s \| 35.9%)	39.99 (+23.99s \| 37.5%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+23.69s \| 37.0%)

Long Course Distance

Event	Best Time	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	U.S Olympic Team Trials	SouthWestern Age Group Regional
Free 50 M	1:06.03	35.49 (+30.54s \| 46.3%)	34.39 (+31.64s \| 47.9%)	30.19 (+35.84s \| 54.3%)	27.89 (+38.14s \| 57.8%)	26.79 (+39.24s \| 59.4%)	25.89 (+40.14s \| 60.8%)	24.59 (+41.44s \| 62.8%)	24.59 (+41.44s \| 62.8%)	24.29 (+41.74s \| 63.2%)	23.39 (+42.64s \| 64.6%)	23.79 (+42.24s \| 64.0%)	N/A	22.79 (+43.24s \| 65.5%)	34.59 (+31.44s \| 47.6%)
Free 100 M	2:14.35	1:19.49 (+54.86s \| 40.8%)	1:17.09 (+57.26s \| 42.6%)	1:07.39 (+66.96s \| 49.8%)	1:02.19 (+72.16s \| 53.7%)	59.19 (+75.16s \| 55.9%)	56.09 (+78.26s \| 58.3%)	53.59 (+80.76s \| 60.1%)	53.59 (+80.76s \| 60.1%)	52.59 (+81.76s \| 60.9%)	50.99 (+83.36s \| 62.0%)	51.99 (+82.36s \| 61.3%)	N/A	49.99 (+84.36s \| 62.8%)	1:16.89 (+57.46s \| 42.8%)
Breast 50 M	1:20.53	46.99 (+33.54s \| 41.6%)	45.59 (+34.94s \| 43.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	46.29 (+34.24s \| 42.5%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 PASA Winter Frolic Meet @ PALY HS

12/20/2025

Palo Alto

50 Y Free

52.35

+0.34s

B: 38.19 (+14.16s | 27.0%)

100 Y Free

1:49.89

B: 1:27.99 (+21.90s | 19.9%)

50 Free

52.05

100 Free

57.84

1:49.89

100 Free

1:49.89

50 Y Breast

1:03.98

-2.43s (New PB)

B: 53.39 (+10.59s | 16.6%)

TYR BAC SPOOKY FALL CLASSIC

10/25/2025

Burlingame

50 Y Free

52.01

B: 38.19 (+13.82s | 26.6%)

50 Y Breast

1:06.41

B: 53.39 (+13.02s | 19.6%)

BAC C B A Meet

06/06/2025

Burlingame

50 M Free

1:06.03

-11.42s (New PB)

B: 43.89 (+22.14s | 33.5%)

50 M Breast

1:20.53

B: 1:00.89 (+19.64s | 24.4%)

2025 LAMV SCM C B A+

05/17/2025

Mountain View

100 M Free

2:14.35

B: 1:40.99 (+33.36s | 24.8%)

50 Free

1:05.54

100 Free

1:08.81

2:14.35

100 Free

2:14.35

TYR BAC Spooky Fall Classic C B A+ Meet

10/26/2024

Burlingame

25 Y Breast

27.46

2024 DACA CBA SC Meet

10/05/2024

Cupertino

25 Y Free

28.44

-3.94s (New PB)

PASA Mayhem LCM Meet

05/18/2024

San Jose

50 M Free

1:17.45

B: 43.89 (+33.56s | 43.3%)

Los Altos Mountain View AC C B A+

03/23/2024

Mountain View

25 Y Free

32.38

-8.40s (New PB)

2023 PASA Candy Meet Champs

11/11/2023

Atherton

25 Y Free

40.78

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.