Grayson Hersey

Age: 18 years old
Age Category: 17-18
Team: DeMatha Catholic High School | Unattached

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

DeMatha Catholic High School

Unattached

USA

Free 50 Y

21.90

02/06/2026

AAA: 21.69 (+0.21s | 1.0%)

929

Free 100 Y

49.06

11/07/2025

AAA: 47.39 (+1.67s | 3.4%)

127

1,000+

50 Free

23.61

100 Free

25.45

49.06

100 Free

49.06

Free 500 Y

5:40.06

10/03/2025

BB: 5:37.29 (+2.77s | 0.8%)

207

1,000+

50 Free

29.91

100 Free

33.71

1:03.62

100 Free

1:03.62

150 Free

34.27

1:37.89

200 Free

35.10

2:12.99

100 Free

1:09.37

250 Free

35.95

2:48.94

300 Free

36.03

3:24.97

100 Free

1:11.98

350 Free

36.02

4:00.99

400 Free

35.83

4:36.82

100 Free

1:11.85

450 Free

32.52

5:09.34

500 Free

30.72

5:40.06

100 Free

1:03.24

Back 50 Y

25.63

12/04/2025

667

Back 100 Y

57.73

12/04/2025

A: 55.89 (+1.84s | 3.2%)

131

1,000+

50 Back

26.84

100 Back

30.89

57.73

100 Back

57.73

Back 200 Y

2:08.61

11/07/2025

A: 2:03.29 (+5.32s | 4.1%)

1,000+

50 Back

29.48

100 Back

32.27

1:01.75

100 Back

1:01.75

150 Back

33.56

1:35.31

200 Back

33.30

2:08.61

100 Back

1:06.86

Breast 50 Y

30.51

12/04/2025

1,000+

Breast 100 Y

1:11.05

11/07/2025

BB: 1:09.39 (+1.66s | 2.3%)

242

1,000+

50 Breast

33.23

100 Breast

37.82

1:11.05

100 Breast

1:11.05

Fly 50 Y

25.61

10/17/2025

1,000+

Fly 100 Y

55.13

12/04/2025

AA: 53.69 (+1.44s | 2.6%)

124

1,000+

50 Fly

25.44

100 Fly

29.69

55.13

100 Fly

55.13

IM 200 Y

2:11.21

11/07/2025

A: 2:06.39 (+4.82s | 3.7%)

170

1,000+

50 Fly

27.30

100 Back

31.33

58.63

100 IM

58.63

150 Breast

42.83

1:41.46

200 Free

29.75

2:11.21

100 IM

1:12.58

Long course distance

Event	Time		Age	Date	Standard	Next Standard	DeMatha Catholic High School	Unattached	Unattached	USA

Above are the fastest times that Grayson Hersey has achieved in his swimming career. For each event, you can find Grayson's best time, the corresponding time standard, as well as how much faster Grayson needs to be to reach the next level. The last columns provide Grayson rankings at the team and LSC levels. These rankings are based on the Grayson'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	21.90	22.19	21.29 (+0.61s \| 2.8%)	21.29 (+0.61s \| 2.8%)	20.59 (+1.31s \| 6.0%)	20.09 (+1.81s \| 8.3%)	20.39 (+1.51s \| 6.9%)
Free 100 Y	49.06	48.19 (+0.87s \| 1.8%)	46.39 (+2.67s \| 5.4%)	46.39 (+2.67s \| 5.4%)	45.09 (+3.97s \| 8.1%)	43.49 (+5.57s \| 11.4%)	44.39 (+4.67s \| 9.5%)
Free 500 Y	5:40.06	4:47.79 (+52.27s \| 15.4%)	4:37.09 (+62.97s \| 18.5%)	4:37.09 (+62.97s \| 18.5%)	4:29.49 (+70.57s \| 20.8%)	4:22.09 (+77.97s \| 22.9%)	4:27.69 (+72.37s \| 21.3%)
Back 50 Y	25.63	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	57.73	53.89 (+3.84s \| 6.7%)	51.49 (+6.24s \| 10.8%)	51.49 (+6.24s \| 10.8%)	49.39 (+8.34s \| 14.4%)	47.59 (+10.14s \| 17.6%)	48.89 (+8.84s \| 15.3%)
Back 200 Y	2:08.61	1:57.29 (+11.32s \| 8.8%)	1:52.79 (+15.82s \| 12.3%)	1:52.79 (+15.82s \| 12.3%)	1:48.29 (+20.32s \| 15.8%)	1:45.49 (+23.12s \| 18.0%)	1:47.09 (+21.52s \| 16.7%)
Breast 50 Y	30.51	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:11.05	1:00.89 (+10.16s \| 14.3%)	57.99 (+13.06s \| 18.4%)	57.99 (+13.06s \| 18.4%)	55.89 (+15.16s \| 21.3%)	54.19 (+16.86s \| 23.7%)	55.29 (+15.76s \| 22.2%)
Fly 50 Y	25.61	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 Y	55.13	52.89 (+2.24s \| 4.1%)	50.59 (+4.54s \| 8.2%)	50.59 (+4.54s \| 8.2%)	48.99 (+6.14s \| 11.1%)	47.79 (+7.34s \| 13.3%)	48.39 (+6.74s \| 12.2%)
IM 200 Y	2:11.21	1:58.19 (+13.02s \| 9.9%)	1:53.89 (+17.32s \| 13.2%)	1:53.89 (+17.32s \| 13.2%)	1:50.09 (+21.12s \| 16.1%)	1:46.39 (+24.82s \| 18.9%)	1:48.89 (+22.32s \| 17.0%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 METRO Championships

02/06/2026

Boyds

100 Y Free

49.08

+0.02s

AAA: 47.39 (+1.69s | 3.4%)

50 Free

23.34

100 Free

25.74

49.08

100 Free

49.08

50 Y Free

21.90

-0.08s (New PB)

AAA: 21.69 (+0.21s | 1.0%)

2026 WMPSSDL Championships

01/30/2026

Laurel

50 Y Free

21.98

-0.35s (New PB)

AAA: 21.69 (+0.29s | 1.3%)

100 Y Free

49.56

+0.50s

AAA: 47.39 (+2.17s | 4.4%)

50 Free

23.80

100 Free

25.76

49.56

100 Free

49.56

2025 Sport Fair Winter Classic

12/04/2025

Fairfax

100 Y Fly

55.13

-1.33s (New PB)

AA: 53.69 (+1.44s | 2.6%)

50 Fly

25.44

100 Fly

29.69

55.13

100 Fly

55.13

50 Y Breast

30.51

-3.66s (New PB)

100 Y Back

57.73

-0.20s (New PB)

A: 55.89 (+1.84s | 3.2%)

50 Back

26.84

100 Back

30.89

57.73

100 Back

57.73

50 Y Back

25.63

50 Y Fly

25.73

+0.12s

100 Y Free

49.88

+0.82s

AA: 49.59 (+0.29s | 0.6%)

50 Free

23.79

100 Free

26.09

49.88

100 Free

49.88

50 Y Free

22.33

-0.29s (New PB)

AAA: 21.69 (+0.64s | 2.9%)

2025 Marlins Invitational

11/07/2025

College Park

100 Y Free

49.06

-1.18s (New PB)

AAA: 47.39 (+1.67s | 3.4%)

50 Free

23.61

100 Free

25.45

49.06

100 Free

49.06

200 Y Back

2:08.61

A: 2:03.29 (+5.32s | 4.1%)

50 Back

29.48

100 Back

32.27

1:01.75

100 Back

1:01.75

150 Back

33.56

1:35.31

200 Back

33.30

2:08.61

100 Back

1:06.86

200 Y IM

2:11.21

A: 2:06.39 (+4.82s | 3.7%)

50 Fly

27.30

100 Back

31.33

58.63

100 IM

58.63

150 Breast

42.83

1:41.46

200 Free

29.75

2:11.21

100 IM

1:12.58

100 Y Breast

1:11.05

BB: 1:09.39 (+1.66s | 2.3%)

50 Breast

33.23

100 Breast

37.82

1:11.05

100 Breast

1:11.05

50 Y Free

22.62

-0.27s (New PB)

AA: 22.59 (+0.03s | 0.1%)

100 Y Fly

56.46

A: 56.09 (+0.37s | 0.7%)

50 Fly

26.29

100 Fly

30.17

56.46

100 Fly

56.46

2025 NBAC Fall Fastival Meet

10/17/2025

Baltimore

50 Y Fly

25.61

100 Y Back

57.93

A: 55.89 (+2.04s | 3.5%)

50 Back

27.92

100 Back

30.01

57.93

100 Back

57.93

50 Y Breast

34.17

2025 ASC All Freestyle Meet

10/03/2025

Annapolis

50 Y Free

22.89

AA: 22.59 (+0.30s | 1.3%)

100 Y Free

50.24

AA: 49.59 (+0.65s | 1.3%)

50 Free

24.00

100 Free

26.24

50.24

100 Free

50.24

500 Y Free

5:40.06

BB: 5:37.29 (+2.77s | 0.8%)

50 Free

29.91

100 Free

33.71

1:03.62

100 Free

1:03.62

150 Free

34.27

1:37.89

200 Free

35.10

2:12.99

100 Free

1:09.37

250 Free

35.95

2:48.94

300 Free

36.03

3:24.97

100 Free

1:11.98

350 Free

36.02

4:00.99

400 Free

35.83

4:36.82

100 Free

1:11.85

450 Free

32.52

5:09.34

500 Free

30.72

5:40.06

100 Free

1:03.24

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.