William Larson

Age: 18 years old
Age Category: 17-18
Team: Thunder Coast Aquatics | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Thunder Coast Aquatics

Pacific Swimming

Western Zone

USA

Free 50 Y

22.20

11/21/2025

AAA: 21.69 (+0.51s | 2.3%)

491

1,000+

Free 100 Y

48.83

Analysis

11/21/2025

AAA: 47.39 (+1.44s | 2.9%)

118

593

1,000+

50 Free

23.58

100 Free

25.25

48.83

100 Free

48.83

Free 200 Y

1:54.30

Analysis

02/13/2026

AA: 1:49.69 (+4.61s | 4.0%)

230

1,000+

50 Free

25.72

100 Free

29.24

54.96

100 Free

54.96

150 Free

30.15

1:25.11

200 Free

29.19

1:54.30

100 Free

59.34

Breast 50 Y

36.59

01/21/2023

213

1,000+

Fly 50 Y

24.73

11/21/2025

368

1,000+

Fly 100 Y

57.40

Analysis

11/21/2025

A: 56.09 (+1.31s | 2.3%)

235

1,000+

50 Fly

26.19

100 Fly

31.21

57.40

100 Fly

57.40

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Thunder Coast Aquatics

Pacific Swimming

Western Zone

USA

Free 50 M

25.86

05/11/2025

AAA: 25.09 (+0.77s | 3.0%)

100

439

991

Free 100 M

56.59

Analysis

06/26/2025

AAA: 54.89 (+1.70s | 3.0%)

104

475

1,000+

Free 200 M

2:18.26

Analysis

06/26/2025

A: 2:11.09 (+7.17s | 5.2%)

250

1,000+

100 Free

1:01.78

100 Free

1:01.78

200 Free

1:16.48

2:18.26

100 Free

1:16.48

Fly 50 M

28.71

06/26/2025

279

677

Above are the fastest times that William Larson has achieved in his swimming career. For each event, you can find William's best time, the corresponding time standard, as well as how much faster William needs to be to reach the next level. The last columns provide William rankings at the team and LSC levels. These rankings are based on the William'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	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL
Free 50 Y	22.20	22.79	26.89	24.79	23.29	22.19 (+0.01s \| 0.0%)	21.29 (+0.91s \| 4.1%)	21.29 (+0.91s \| 4.1%)	20.59 (+1.61s \| 7.3%)	20.09 (+2.11s \| 9.5%)	20.39 (+1.81s \| 8.2%)	N/A
Free 100 Y	48.83	50.09	58.69	54.19	51.19	48.19 (+0.64s \| 1.3%)	46.39 (+2.44s \| 5.0%)	46.39 (+2.44s \| 5.0%)	45.09 (+3.74s \| 7.7%)	43.49 (+5.34s \| 10.9%)	44.39 (+4.44s \| 9.1%)	N/A
Free 200 Y	1:54.30	1:48.89 (+5.41s \| 4.7%)	2:08.39	1:58.59	1:52.09 (+2.21s \| 1.9%)	1:45.79 (+8.51s \| 7.4%)	1:41.59 (+12.71s \| 11.1%)	1:41.59 (+12.71s \| 11.1%)	1:38.79 (+15.51s \| 13.6%)	1:36.49 (+17.81s \| 15.6%)	1:38.09 (+16.21s \| 14.2%)	N/A
Breast 50 Y	36.59	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Fly 50 Y	24.73	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 Y	57.40	54.99 (+2.41s \| 4.2%)	1:03.89	58.99	55.49 (+1.91s \| 3.3%)	52.89 (+4.51s \| 7.9%)	50.59 (+6.81s \| 11.9%)	50.59 (+6.81s \| 11.9%)	48.99 (+8.41s \| 14.7%)	47.79 (+9.61s \| 16.7%)	48.39 (+9.01s \| 15.7%)	N/A

Long Course Distance

Event	Best Time	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
Free 50 M	25.86	26.29	30.19	27.89	26.79	25.89	24.59 (+1.27s \| 4.9%)	24.59 (+1.27s \| 4.9%)	24.29 (+1.57s \| 6.1%)	23.39 (+2.47s \| 9.6%)	23.79 (+2.07s \| 8.0%)	N/A	22.79 (+3.07s \| 11.9%)
Free 100 M	56.59	57.19	1:07.39	1:02.19	59.19	56.09 (+0.50s \| 0.9%)	53.59 (+3.00s \| 5.3%)	53.59 (+3.00s \| 5.3%)	52.59 (+4.00s \| 7.1%)	50.99 (+5.60s \| 9.9%)	51.99 (+4.60s \| 8.1%)	N/A	49.99 (+6.60s \| 11.7%)
Free 200 M	2:18.26	2:05.69 (+12.57s \| 9.1%)	2:27.89	2:16.49 (+1.77s \| 1.3%)	2:09.29 (+8.97s \| 6.5%)	2:03.09 (+15.17s \| 11.0%)	1:57.79 (+20.47s \| 14.8%)	1:57.79 (+20.47s \| 14.8%)	1:55.49 (+22.77s \| 16.5%)	1:52.19 (+26.07s \| 18.9%)	1:54.09 (+24.17s \| 17.5%)	N/A	1:49.99 (+28.27s \| 20.4%)
Fly 50 M	28.71	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 SI Presidents Day Senior Classic Copi

02/13/2026

Coronado

100 Y Free

49.74

+0.91s

AA: 49.59 (+0.15s | 0.3%)

200 Y Free

1:54.30

AA: 1:49.69 (+4.61s | 4.0%)

50 Free

25.72

100 Free

29.24

54.96

100 Free

54.96

150 Free

30.15

1:25.11

200 Free

29.19

1:54.30

100 Free

59.34

50 Y Fly

24.85

+0.12s

100 Y Fly

57.86

+0.46s

A: 56.09 (+1.77s | 3.1%)

50 Fly

25.69

100 Fly

32.17

57.86

100 Fly

57.86

50 Y Free

22.62

+0.42s

AA: 22.59 (+0.03s | 0.1%)

Neptune Swimming Swim Like The Dickens

12/06/2025

Santa Rosa

100 Y Fly

59.90

+2.50s

A: 56.09 (+3.81s | 6.4%)

50 Fly

27.80

100 Fly

32.10

59.90

100 Fly

59.90

100 Y Free

50.24

+1.41s

AA: 49.59 (+0.65s | 1.3%)

50 Free

24.35

100 Free

25.89

50.24

100 Free

50.24

50 Y Free

23.07

+0.87s

AA: 22.59 (+0.48s | 2.1%)

HISI Senior Fall Championship (SCY)

11/21/2025

Honolulu

50 Y Fly

24.73

-3.79s (New PB)

50 Y Free

22.20

-0.62s (New PB)

AAA: 21.69 (+0.51s | 2.3%)

100 Y Free

48.83

-1.60s (New PB)

AAA: 47.39 (+1.44s | 2.9%)

50 Free

23.58

100 Free

25.25

48.83

100 Free

48.83

100 Y Fly

57.40

-2.43s (New PB)

A: 56.09 (+1.31s | 2.3%)

50 Fly

26.19

100 Fly

31.21

57.40

100 Fly

57.40

TCA PC November SC C B A+

11/08/2025

Novato

50 Y Free

23.33

+0.51s

AA: 22.59 (+0.74s | 3.2%)

PC Short Course Senior Open

09/20/2025

Novato

50 Y Free

23.80

+0.98s

A: 23.59 (+0.21s | 0.9%)

100 Y Fly

1:01.87

+2.04s

BB: 1:00.79 (+1.08s | 1.7%)

50 Fly

26.85

100 Fly

35.02

1:01.87

100 Fly

1:01.87

2025 TYR GO Challenge

06/26/2025

Fresno

100 M Free

56.59

-0.57s (New PB)

AAA: 54.89 (+1.70s | 3.0%)

50 M Fly

28.71

50 M Free

26.16

+0.30s

AAA: 25.09 (+1.07s | 4.1%)

200 M Free

2:18.26

-30.71s (New PB)

A: 2:11.09 (+7.17s | 5.2%)

100 Free

1:01.78

100 Free

1:01.78

200 Free

1:16.48

2:18.26

100 Free

1:16.48

PACIFIC SWIMMING SCY LCM SENIOR POST NCS MEET

05/11/2025

Novato

50 Y Free

22.97

+0.15s

AA: 22.59 (+0.38s | 1.7%)

100 Y Free

50.43

-0.71s (New PB)

AA: 49.59 (+0.84s | 1.7%)

50 Free

24.27

100 Free

26.16

50.43

100 Free

50.43

50 M Free

25.86

-2.52s (New PB)

AAA: 25.09 (+0.77s | 3.0%)

100 M Free

57.16

-10.78s (New PB)

AAA: 54.89 (+2.27s | 4.0%)

2025 SI Presidents Day Senior Time Trials

02/16/2025

Coronado

50 Y Free

23.75

+0.93s

AA: 23.19 (+0.56s | 2.4%)

2025 SI Presidents Day Senior Classic

02/14/2025

Coronado

50 Y Free

22.82

-2.24s (New PB)

AAA: 22.19 (+0.63s | 2.8%)

100 Y Fly

59.83

A: 57.59 (+2.24s | 3.7%)

50 Fly

26.83

100 Fly

33.00

59.83

100 Fly

59.83

100 Y Free

51.14

-7.00s (New PB)

AA: 50.99 (+0.15s | 0.3%)

Neptune Swimming Swim Like The Dickens

12/13/2024

Santa Rosa

50 Y Free

25.06

-1.41s (New PB)

A: 24.19 (+0.87s | 3.5%)

2023 Silver State Championships

07/14/2023

Reno

100 M Free

1:09.77

+1.83s

BB: 1:06.69 (+3.08s | 4.4%)

50 M Free

28.38

-0.63s (New PB)

A: 28.19 (+0.19s | 0.7%)

TCA July LCM Invitational

07/01/2023

Novato

100 M Free

1:08.99

+1.05s

BB: 1:06.69 (+2.30s | 3.3%)

50 M Free

29.13

+0.12s

A: 28.19 (+0.94s | 3.2%)

NVST S LAST CHANCE JO SUMMER PLUNGE 2023

06/24/2023

Napa

100 M Free

1:07.94

-3.30s (New PB)

BB: 1:06.69 (+1.25s | 1.8%)

50 M Free

29.01

-0.89s (New PB)

A: 28.19 (+0.82s | 2.8%)

Z3 Championships 2023

01/21/2023

Novato

50 Y Free

26.53

+0.06s

A: 25.59 (+0.94s | 3.5%)

50 Y Breast

36.59

100 Y Free

58.14

-2.97s (New PB)

A: 55.69 (+2.45s | 4.2%)

50 Free

28.19

100 Free

29.95

58.14

100 Free

58.14

50 Y Fly

28.52

TCA Short Course C B A+

11/05/2022

Novato

50 Y Free

27.00

+0.53s

A: 25.59 (+1.41s | 5.2%)

TCA Short Course Senior Open Meet

09/24/2022

Novato

50 Y Free

26.47

-1.56s (New PB)

A: 25.59 (+0.88s | 3.3%)

Reno Aquatic Club Gamble

06/17/2022

Reno

50 M Free

29.90

-2.69s (New PB)

A: 29.39 (+0.51s | 1.7%)

200 M Free

2:58.10

+9.13s

B: 2:43.99 (+14.11s | 7.9%)

100 M Free

1:11.24

-3.79s (New PB)

BB: 1:09.79 (+1.45s | 2.0%)

NVST Short Course PC C B A+

02/19/2022

Napa

100 Y Free

1:01.11

-5.25s (New PB)

BB: 1:00.29 (+0.82s | 1.3%)

50 Y Free

28.27

+0.24s

BB: 27.69 (+0.58s | 2.1%)

Swim Like The Dickens

12/10/2021

Santa Rosa

50 Y Free

28.03

-1.99s (New PB)

BB: 27.69 (+0.34s | 1.2%)

100 Y Free

1:07.15

+0.79s

B: 1:04.99 (+2.16s | 3.2%)

2021 NNA Silver State Championships

07/16/2021

Reno

50 M Free

32.59

BB: 31.79 (+0.80s | 2.5%)

100 M Free

1:15.03

BB: 1:09.79 (+5.24s | 7.0%)

2021 THUNDER COAST AQUATICS VALLEJO AQUATICS

06/05/2021

Petaluma

200 M Free

2:48.97

B: 2:43.99 (+4.98s | 2.9%)

50 Free

37.91

100 Free

43.34

1:21.25

100 Free

1:21.25

150 Free

44.63

2:05.88

200 Free

43.09

2:48.97

100 Free

1:27.72

TCA _NBA Dual Meet

05/15/2021

Petaluma

100 Y Free

1:06.36

-2.34s (New PB)

B: 1:04.99 (+1.37s | 2.1%)

50 Free

31.79

100 Free

34.57

1:06.36

100 Free

1:06.36

50 Y Free

30.91

+0.89s

B: 29.89 (+1.02s | 3.3%)

Thunder Coast Aquatics Santa Rosa Neptunes

04/11/2021

Petaluma

50 Y Free

30.02

-8.06s (New PB)

B: 29.89 (+0.13s | 0.4%)

100 Y Free

1:08.70

B: 1:04.99 (+3.71s | 5.4%)

Albany Armada Aquatics C B BB+

01/11/2020

Albany

50 Y Free

38.08

B: 32.79 (+5.29s | 13.9%)

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.