William Mulder

Age: 17 years old
Age Category: 17-18
Team: Badger Swim Club,Inc. | Metropolitan Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Badger Swim Club,Inc.

Metropolitan Swimming

Eastern Zone

USA

Free 50 Y

21.41

02/12/2026

AAA

AAAA: 20.69 (+0.72s | 3.4%)

102

566

Free 100 Y

46.54

Analysis

03/06/2026

AAA

AAAA: 45.29 (+1.25s | 2.7%)

491

50 Free

22.42

100 Free

24.12

46.54

100 Free

46.54

Free 200 Y

1:44.93

Analysis

11/21/2025

AAA

AAAA: 1:40.19 (+4.74s | 4.5%)

218

1,000+

50 Free

36.57

150 Free

41.75

1:18.32

200 Free

26.61

1:44.93

100 Free

1:08.36

Back 100 Y

54.05

Analysis

11/01/2025

AA: 53.59 (+0.46s | 0.9%)

211

1,000+

50 Back

26.77

100 Back

27.28

54.05

100 Back

54.05

Breast 50 Y

26.39

10/25/2025

105

Breast 100 Y

57.70

Analysis

02/12/2026

AAA

AAAA: 55.99 (+1.71s | 3.0%)

350

50 Breast

27.08

100 Breast

30.62

57.70

100 Breast

57.70

Fly 100 Y

53.59

Analysis

02/12/2026

AAA: 51.39 (+2.20s | 4.1%)

331

1,000+

50 Fly

24.98

100 Fly

28.61

53.59

100 Fly

53.59

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Badger Swim Club,Inc.

Metropolitan Swimming

Eastern Zone

USA

Free 50 M

21.80

02/12/2026

AAAA

Free 100 M

55.72

Analysis

07/23/2025

AAA: 54.89 (+0.83s | 1.5%)

754

50 Free

26.95

100 Free

28.77

55.72

100 Free

55.72

Breast 50 M

30.33

07/23/2025

Breast 100 M

1:08.10

Analysis

07/23/2025

AAA

AAAA: 1:05.09 (+3.01s | 4.4%)

221

50 Breast

32.04

100 Breast

36.05

1:08.10

100 Breast

1:08.10

Fly 50 M

27.65

07/23/2025

382

Above are the fastest times that William Mulder 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	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	21.41	22.19	21.29 (+0.12s \| 0.6%)	21.29 (+0.12s \| 0.6%)	20.59 (+0.82s \| 3.8%)	20.09 (+1.32s \| 6.2%)	20.39 (+1.02s \| 4.8%)
Free 100 Y	46.54	48.19	46.39 (+0.15s \| 0.3%)	46.39 (+0.15s \| 0.3%)	45.09 (+1.45s \| 3.1%)	43.49 (+3.05s \| 6.6%)	44.39 (+2.15s \| 4.6%)
Free 200 Y	1:44.93	1:45.79	1:41.59 (+3.34s \| 3.2%)	1:41.59 (+3.34s \| 3.2%)	1:38.79 (+6.14s \| 5.9%)	1:36.49 (+8.44s \| 8.0%)	1:38.09 (+6.84s \| 6.5%)
Back 100 Y	54.05	53.89 (+0.16s \| 0.3%)	51.49 (+2.56s \| 4.7%)	51.49 (+2.56s \| 4.7%)	49.39 (+4.66s \| 8.6%)	47.59 (+6.46s \| 12.0%)	48.89 (+5.16s \| 9.5%)
Breast 50 Y	26.39	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	57.70	1:00.89	57.99	57.99	55.89 (+1.81s \| 3.1%)	54.19 (+3.51s \| 6.1%)	55.29 (+2.41s \| 4.2%)
Fly 100 Y	53.59	52.89 (+0.70s \| 1.3%)	50.59 (+3.00s \| 5.6%)	50.59 (+3.00s \| 5.6%)	48.99 (+4.60s \| 8.6%)	47.79 (+5.80s \| 10.8%)	48.39 (+5.20s \| 9.7%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	21.80	25.89	24.59	24.59	24.29	23.39	23.79
Free 100 M	55.72	56.09	53.59 (+2.13s \| 3.8%)	53.59 (+2.13s \| 3.8%)	52.59 (+3.13s \| 5.6%)	50.99 (+4.73s \| 8.5%)	51.99 (+3.73s \| 6.7%)
Breast 50 M	30.33	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 M	1:08.10	1:11.29	1:08.19	1:08.19	1:06.59 (+1.51s \| 2.2%)	1:04.09 (+4.01s \| 5.9%)	1:05.29 (+2.81s \| 4.1%)
Fly 50 M	27.65	N/A	N/A	N/A	N/A	N/A	N/A

Progression

See how William Mulder 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.

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Meets

See all the meets William Mulder 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

Speedo Southern Premier

03/06/2026

Knoxville

100 Y Free

46.54

-0.30s (New PB)

AAA

AAAA: 45.29 (+1.25s | 2.7%)

50 Free

22.42

100 Free

24.12

46.54

100 Free

46.54

100 Y Fly

54.70

+1.11s

AA: 53.69 (+1.01s | 1.8%)

50 Fly

25.53

100 Fly

29.17

54.70

100 Fly

54.70

50 Y Free

21.51

+0.10s

AAA

AAAA: 20.69 (+0.82s | 3.8%)

2026 MR TYR Senior Mets Winter Championship

02/12/2026

East Meadow

50 Y Free

21.41

-0.39s (New PB)

AAA

AAAA: 20.69 (+0.72s | 3.4%)

100 Y Fly

53.59

-0.61s (New PB)

AAA: 51.39 (+2.20s | 4.1%)

50 Fly

24.98

100 Fly

28.61

53.59

100 Fly

53.59

50 M Free

21.80

-3.53s (New PB)

AAAA

100 Y Breast

57.70

-0.26s (New PB)

AAA

AAAA: 55.99 (+1.71s | 3.0%)

50 Breast

27.08

100 Breast

30.62

57.70

100 Breast

57.70

50 Y Free

21.80

-0.31s (New PB)

AAA: 21.69 (+0.11s | 0.5%)

100 Y Free

46.84

-0.78s (New PB)

AAA

AAAA: 45.29 (+1.55s | 3.3%)

50 Free

22.39

100 Free

24.45

46.84

100 Free

46.84

2025 Katie Ledecky Invitational

12/11/2025

College Park

50 Y Free

22.11

-0.03s (New PB)

AAA

AAAA: 21.19 (+0.92s | 4.2%)

100 Y Free

47.62

-0.79s (New PB)

AAA

AAAA: 46.49 (+1.13s | 2.4%)

50 Free

22.88

100 Free

24.74

47.62

100 Free

47.62

100 Y Back

55.74

+1.69s

AA: 55.49 (+0.25s | 0.4%)

50 Back

26.07

100 Back

29.67

55.74

100 Back

55.74

100 Y Breast

57.96

-0.29s (New PB)

AAA

AAAA: 57.69 (+0.27s | 0.5%)

50 Breast

26.89

100 Breast

31.07

57.96

100 Breast

57.96

2025 MR LIAC Thanksgiving Invite

11/21/2025

East Meadow

100 Y Back

54.36

+0.31s

AAA: 53.09 (+1.27s | 2.3%)

50 Back

26.62

100 Back

27.74

54.36

100 Back

54.36

200 Y Free

1:44.93

AAA

AAAA: 1:41.99 (+2.94s | 2.8%)

50 Free

36.57

150 Free

41.75

1:18.32

200 Free

26.61

1:44.93

100 Free

1:08.36

50 Y Free

22.26

+0.12s

AAA: 22.19 (+0.07s | 0.3%)

100 Y Fly

57.54

+3.34s

AA: 55.19 (+2.35s | 4.1%)

50 Fly

27.00

100 Fly

30.54

57.54

100 Fly

57.54

2025 MR TRI Fall SCY Invitational

11/01/2025

West Bronx

100 Y Breast

58.25

AAA

AAAA: 57.69 (+0.56s | 1.0%)

50 Breast

26.85

100 Breast

31.40

58.25

100 Breast

58.25

100 Y Back

54.05

AAA: 53.09 (+0.96s | 1.8%)

50 Back

26.77

100 Back

27.28

54.05

100 Back

54.05

100 Y Fly

54.20

AAA: 52.79 (+1.41s | 2.6%)

50 Fly

24.96

100 Fly

29.24

54.20

100 Fly

54.20

100 Y Free

48.44

+0.03s

AAA

AAAA: 46.49 (+1.95s | 4.0%)

50 Free

23.32

100 Free

25.12

48.44

100 Free

48.44

50 Y Free

22.14

-0.14s (New PB)

AAA

AAAA: 21.19 (+0.95s | 4.3%)

2025 MR LIAC Chappy S Invitational

10/25/2025

East Meadow

100 Y Free

48.41

AAA

AAAA: 46.49 (+1.92s | 4.0%)

50 Free

23.70

100 Free

24.71

48.41

100 Free

48.41

50 Y Free

22.28

AAA: 22.19 (+0.09s | 0.4%)

50 Y Breast

26.39

2025 TYR FUTURES OCALA

07/23/2025

Ocala

100 M Breast

1:08.10

AAA

AAAA: 1:07.09 (+1.01s | 1.5%)

50 Breast

32.04

100 Breast

36.05

1:08.10

100 Breast

1:08.10

50 M Free

25.33

AAA

AAAA: 24.69 (+0.64s | 2.5%)

100 M Free

55.72

AAA

AAAA: 53.79 (+1.93s | 3.5%)

50 Free

26.95

100 Free

28.77

55.72

100 Free

55.72

50 M Breast

30.33

50 M Fly

27.65

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.