Nathan Tonthat

Age: 15 years old
Age Category: 15-16
Team: Mason Makos Swim Team | Potomac Valley Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Mason Makos Swim Team

Potomac Valley Swimming

Eastern Zone

USA

Free 50 Y

24.61

02/07/2026

A: 24.19 (+0.42s | 1.7%)

201

1,000+

Free 100 Y

54.17

02/07/2026

A: 53.19 (+0.98s | 1.8%)

201

1,000+

50 Free

26.08

100 Free

28.09

54.17

100 Free

54.17

Free 200 Y

1:59.95

11/21/2025

A: 1:56.59 (+3.36s | 2.8%)

157

989

1,000+

50 Free

27.81

100 Free

30.58

58.39

100 Free

58.39

150 Free

31.15

1:29.54

200 Free

30.41

1:59.95

100 Free

1:01.56

Free 500 Y

5:34.81

10/25/2025

A: 5:15.79 (+19.02s | 5.7%)

143

869

1,000+

50 Free

29.39

100 Free

32.70

1:02.09

100 Free

1:02.09

150 Free

33.36

1:35.45

200 Free

34.04

2:09.49

100 Free

1:07.40

250 Free

33.99

2:43.48

300 Free

33.80

3:17.28

100 Free

1:07.79

350 Free

34.41

3:51.69

400 Free

34.78

4:26.47

100 Free

1:09.19

450 Free

34.86

5:01.33

500 Free

33.48

5:34.81

100 Free

1:08.34

Free 1000 Y

11:08.17

01/03/2026

A: 11:01.59 (+6.58s | 1.0%)

375

1,000+

50 Free

28.97

100 Free

32.22

1:01.19

100 Free

1:01.19

150 Free

33.24

1:34.43

200 Free

33.38

2:07.81

100 Free

1:06.62

250 Free

33.58

2:41.39

300 Free

33.87

3:15.26

100 Free

1:07.45

350 Free

33.95

3:49.21

400 Free

34.44

4:23.65

100 Free

1:08.39

450 Free

33.80

4:57.45

500 Free

33.62

5:31.07

100 Free

1:07.42

550 Free

33.85

6:04.92

600 Free

34.32

6:39.24

100 Free

1:08.17

650 Free

34.68

7:13.92

700 Free

33.59

7:47.51

100 Free

1:08.27

750 Free

33.89

8:21.40

800 Free

33.75

8:55.15

100 Free

1:07.64

850 Free

33.34

9:28.49

900 Free

33.99

10:02.48

100 Free

1:07.33

950 Free

33.80

10:36.28

1000 Free

31.89

11:08.17

100 Free

1:05.69

Back 50 Y

27.24

01/16/2026

278

1,000+

Back 100 Y

58.29

02/07/2026

A: 57.89 (+0.40s | 0.7%)

444

1,000+

50 Back

28.11

100 Back

30.18

58.29

100 Back

58.29

Back 200 Y

2:10.09

11/21/2025

A: 2:06.59 (+3.50s | 2.7%)

479

1,000+

50 Back

29.67

100 Back

33.55

1:03.22

100 Back

1:03.22

150 Back

34.35

1:37.57

200 Back

32.52

2:10.09

100 Back

1:06.87

Breast 50 Y

32.66

01/16/2026

522

1,000+

Breast 100 Y

1:13.06

02/07/2026

BB: 1:11.39 (+1.67s | 2.3%)

216

1,000+

50 Breast

34.02

100 Breast

39.04

1:13.06

100 Breast

1:13.06

Fly 50 Y

26.07

02/07/2026

366

1,000+

Fly 100 Y

56.69

01/16/2026

AA: 55.19 (+1.50s | 2.6%)

455

1,000+

50 Fly

26.27

100 Fly

30.42

56.69

100 Fly

56.69

Fly 200 Y

2:07.19

12/04/2025

AA: 2:03.39 (+3.80s | 3.0%)

281

1,000+

50 Fly

27.99

100 Fly

31.75

59.74

100 Fly

59.74

150 Fly

33.05

1:32.79

200 Fly

34.40

2:07.19

100 Fly

1:07.45

IM 200 Y

2:08.62

11/21/2025

AA: 2:03.99 (+4.63s | 3.6%)

512

1,000+

50 Fly

26.88

100 Back

34.64

1:01.52

100 IM

1:01.52

150 Breast

37.06

1:38.58

200 Free

30.04

2:08.62

100 IM

1:07.10

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Mason Makos Swim Team	Potomac Valley Swimming	Eastern Zone	USA

Above are the fastest times that Nathan Tonthat has achieved in his swimming career. For each event, you can find Nathan's best time, the corresponding time standard, as well as how much faster Nathan needs to be to reach the next level. The last columns provide Nathan rankings at the team and LSC levels. These rankings are based on the Nathan'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	24.61	22.19 (+2.42s \| 9.8%)	21.29 (+3.32s \| 13.5%)	21.29 (+3.32s \| 13.5%)	20.59 (+4.02s \| 16.3%)	20.09 (+4.52s \| 18.4%)	20.39 (+4.22s \| 17.1%)
Free 100 Y	54.17	48.19 (+5.98s \| 11.0%)	46.39 (+7.78s \| 14.4%)	46.39 (+7.78s \| 14.4%)	45.09 (+9.08s \| 16.8%)	43.49 (+10.68s \| 19.7%)	44.39 (+9.78s \| 18.1%)
Free 200 Y	1:59.95	1:45.79 (+14.16s \| 11.8%)	1:41.59 (+18.36s \| 15.3%)	1:41.59 (+18.36s \| 15.3%)	1:38.79 (+21.16s \| 17.6%)	1:36.49 (+23.46s \| 19.6%)	1:38.09 (+21.86s \| 18.2%)
Free 500 Y	5:34.81	4:47.79 (+47.02s \| 14.0%)	4:37.09 (+57.72s \| 17.2%)	4:37.09 (+57.72s \| 17.2%)	4:29.49 (+65.32s \| 19.5%)	4:22.09 (+72.72s \| 21.7%)	4:27.69 (+67.12s \| 20.0%)
Free 1000 Y	11:08.17	9:59.49 (+68.68s \| 10.3%)	9:34.29 (+93.88s \| 14.1%)	9:34.29 (+93.88s \| 14.1%)	9:25.49 (+102.68s \| 15.4%)	9:07.49 (+120.68s \| 18.1%)	9:13.19 (+114.98s \| 17.2%)
Back 50 Y	27.24	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	58.29	53.89 (+4.40s \| 7.5%)	51.49 (+6.80s \| 11.7%)	51.49 (+6.80s \| 11.7%)	49.39 (+8.90s \| 15.3%)	47.59 (+10.70s \| 18.4%)	48.89 (+9.40s \| 16.1%)
Back 200 Y	2:10.09	1:57.29 (+12.80s \| 9.8%)	1:52.79 (+17.30s \| 13.3%)	1:52.79 (+17.30s \| 13.3%)	1:48.29 (+21.80s \| 16.8%)	1:45.49 (+24.60s \| 18.9%)	1:47.09 (+23.00s \| 17.7%)
Breast 50 Y	32.66	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:13.06	1:00.89 (+12.17s \| 16.7%)	57.99 (+15.07s \| 20.6%)	57.99 (+15.07s \| 20.6%)	55.89 (+17.17s \| 23.5%)	54.19 (+18.87s \| 25.8%)	55.29 (+17.77s \| 24.3%)
Fly 50 Y	26.07	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 Y	56.69	52.89 (+3.80s \| 6.7%)	50.59 (+6.10s \| 10.8%)	50.59 (+6.10s \| 10.8%)	48.99 (+7.70s \| 13.6%)	47.79 (+8.90s \| 15.7%)	48.39 (+8.30s \| 14.6%)
Fly 200 Y	2:07.19	1:58.89 (+8.30s \| 6.5%)	1:53.69 (+13.50s \| 10.6%)	1:53.69 (+13.50s \| 10.6%)	1:49.59 (+17.60s \| 13.8%)	1:45.99 (+21.20s \| 16.7%)	1:47.89 (+19.30s \| 15.2%)
IM 200 Y	2:08.62	1:58.19 (+10.43s \| 8.1%)	1:53.89 (+14.73s \| 11.5%)	1:53.89 (+14.73s \| 11.5%)	1:50.09 (+18.53s \| 14.4%)	1:46.39 (+22.23s \| 17.3%)	1:48.89 (+19.73s \| 15.3%)

Long Course Distance

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

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 MAKO QUALIFIER

02/07/2026

FAIRFAX

50 Y Breast

33.22

+0.56s

50 Y Back

28.65

+1.41s

100 Y Free

54.17

-0.62s (New PB)

A: 53.19 (+0.98s | 1.8%)

50 Free

26.08

100 Free

28.09

54.17

100 Free

54.17

100 Y Breast

1:13.06

-0.64s (New PB)

BB: 1:11.39 (+1.67s | 2.3%)

50 Breast

34.02

100 Breast

39.04

1:13.06

100 Breast

1:13.06

50 Y Free

24.61

-0.16s (New PB)

A: 24.19 (+0.42s | 1.7%)

50 Y Fly

26.07

-0.07s (New PB)

100 Y Back

58.29

-0.99s (New PB)

A: 57.89 (+0.40s | 0.7%)

50 Back

28.11

100 Back

30.18

58.29

100 Back

58.29

200 Y Back

2:14.10

+4.01s

A: 2:06.59 (+7.51s | 5.6%)

50 Back

31.28

100 Back

33.53

1:04.81

100 Back

1:04.81

150 Back

35.04

1:39.85

200 Back

34.25

2:14.10

100 Back

1:09.29

GSA January Jump Start 2026

01/16/2026

Greensboro

50 Y Fly

26.14

-0.87s (New PB)

50 Y Back

27.24

-0.11s (New PB)

50 Y Breast

32.66

-0.82s (New PB)

100 Y Fly

56.69

-0.41s (New PB)

AA: 55.19 (+1.50s | 2.6%)

50 Fly

26.27

100 Fly

30.42

56.69

100 Fly

56.69

200 Y IM

2:13.25

+4.63s

A: 2:09.39 (+3.86s | 2.9%)

50 Fly

27.42

100 Back

34.41

1:01.83

100 IM

1:01.83

150 Breast

39.65

1:41.48

200 Free

31.77

2:13.25

100 IM

1:11.42

200 Y Back

2:15.28

+5.19s

A: 2:06.59 (+8.69s | 6.4%)

50 Back

30.39

100 Back

34.43

1:04.82

100 Back

1:04.82

200 Back

1:10.46

2:15.28

100 Back

1:10.46

2026 MAKO POLAR PLUNGE

01/10/2026

FAIRFAX

50 Y Back

27.35

-0.25s (New PB)

50 Y Free

24.77

A: 24.19 (+0.58s | 2.3%)

200 Y IM

2:15.08

+6.46s

A: 2:09.39 (+5.69s | 4.2%)

50 Fly

27.97

100 Back

35.01

1:02.98

100 IM

1:02.98

150 Breast

40.24

1:43.22

200 Free

31.86

2:15.08

100 IM

1:12.10

100 Y Breast

1:14.14

+0.44s

BB: 1:11.39 (+2.75s | 3.7%)

50 Breast

34.58

100 Breast

39.56

1:14.14

100 Breast

1:14.14

50 Y Breast

33.48

2026 PV Janaury Distance

01/03/2026

Springfield

1000 Y Free

11:08.17

A: 11:01.59 (+6.58s | 1.0%)

50 Free

28.97

100 Free

32.22

1:01.19

100 Free

1:01.19

150 Free

33.24

1:34.43

200 Free

33.38

2:07.81

100 Free

1:06.62

250 Free

33.58

2:41.39

300 Free

33.87

3:15.26

100 Free

1:07.45

350 Free

33.95

3:49.21

400 Free

34.44

4:23.65

100 Free

1:08.39

450 Free

33.80

4:57.45

500 Free

33.62

5:31.07

100 Free

1:07.42

550 Free

33.85

6:04.92

600 Free

34.32

6:39.24

100 Free

1:08.17

650 Free

34.68

7:13.92

700 Free

33.59

7:47.51

100 Free

1:08.27

750 Free

33.89

8:21.40

800 Free

33.75

8:55.15

100 Free

1:07.64

850 Free

33.34

9:28.49

900 Free

33.99

10:02.48

100 Free

1:07.33

950 Free

33.80

10:36.28

1000 Free

31.89

11:08.17

100 Free

1:05.69

2025 Sport Fair Winter Classic

12/04/2025

Fairfax

200 Y IM

2:13.42

+4.80s

A: 2:09.39 (+4.03s | 3.0%)

50 Fly

27.73

100 Back

34.52

1:02.25

100 IM

1:02.25

150 Breast

39.50

1:41.75

200 Free

31.67

2:13.42

100 IM

1:11.17

100 Y Back

1:00.01

+0.73s

A: 57.89 (+2.12s | 3.5%)

50 Back

28.59

100 Back

31.42

1:00.01

100 Back

1:00.01

100 Y Fly

57.75

+0.65s

A: 57.59 (+0.16s | 0.3%)

50 Fly

27.06

100 Fly

30.69

57.75

100 Fly

57.75

50 Y Back

27.60

50 Y Fly

27.01

200 Y Fly

2:07.19

-4.36s (New PB)

AA: 2:03.39 (+3.80s | 3.0%)

50 Fly

27.99

100 Fly

31.75

59.74

100 Fly

59.74

150 Fly

33.05

1:32.79

200 Fly

34.40

2:07.19

100 Fly

1:07.45

2025 Swim Rock

11/21/2025

Oakton

200 Y Free

1:59.95

-2.59s (New PB)

A: 1:56.59 (+3.36s | 2.8%)

50 Free

27.81

100 Free

30.58

58.39

100 Free

58.39

150 Free

31.15

1:29.54

200 Free

30.41

1:59.95

100 Free

1:01.56

100 Y Fly

57.10

-2.62s (New PB)

AA: 55.19 (+1.91s | 3.3%)

50 Fly

26.61

100 Fly

30.49

57.10

100 Fly

57.10

100 Y Free

54.79

-0.31s (New PB)

A: 53.19 (+1.60s | 2.9%)

50 Free

26.16

100 Free

28.63

54.79

100 Free

54.79

200 Y Back

2:10.09

-7.49s (New PB)

A: 2:06.59 (+3.50s | 2.7%)

50 Back

29.67

100 Back

33.55

1:03.22

100 Back

1:03.22

150 Back

34.35

1:37.57

200 Back

32.52

2:10.09

100 Back

1:06.87

200 Y IM

2:08.62

-7.89s (New PB)

AA: 2:03.99 (+4.63s | 3.6%)

50 Fly

26.88

100 Back

34.64

1:01.52

100 IM

1:01.52

150 Breast

37.06

1:38.58

200 Free

30.04

2:08.62

100 IM

1:07.10

100 Y Back

59.28

-1.21s (New PB)

A: 57.89 (+1.39s | 2.3%)

50 Back

28.50

100 Back

30.78

59.28

100 Back

59.28

2025 MAKO GOBBLE GOBBLE INVITATIONAL

11/08/2025

SPRINGFIELD

100 Y Free

55.16

+0.06s

A: 53.19 (+1.97s | 3.6%)

50 Free

26.26

100 Free

28.90

55.16

100 Free

55.16

200 Y Back

2:17.58

BB: 2:17.09 (+0.49s | 0.4%)

50 Back

31.53

100 Back

35.43

1:06.96

100 Back

1:06.96

150 Back

35.92

1:42.88

200 Back

34.70

2:17.58

100 Back

1:10.62

100 Y Fly

59.72

A: 57.59 (+2.13s | 3.6%)

50 Fly

27.89

100 Fly

31.83

59.72

100 Fly

59.72

100 Y Breast

1:16.32

+2.62s

BB: 1:11.39 (+4.93s | 6.5%)

50 Breast

35.78

100 Breast

40.54

1:16.32

100 Breast

1:16.32

100 Y Back

1:01.10

+0.61s

A: 57.89 (+3.21s | 5.3%)

50 Back

29.65

100 Back

31.45

1:01.10

100 Back

1:01.10

200 Y Fly

2:11.55

A: 2:08.79 (+2.76s | 2.1%)

50 Fly

27.98

100 Fly

32.41

1:00.39

100 Fly

1:00.39

150 Fly

34.62

1:35.01

200 Fly

36.54

2:11.55

100 Fly

1:11.16

2025 PV MAKO PUMPKIN CLASSIC

10/25/2025

Fairfax

500 Y Free

5:34.81

A: 5:15.79 (+19.02s | 5.7%)

50 Free

29.39

100 Free

32.70

1:02.09

100 Free

1:02.09

150 Free

33.36

1:35.45

200 Free

34.04

2:09.49

100 Free

1:07.40

250 Free

33.99

2:43.48

300 Free

33.80

3:17.28

100 Free

1:07.79

350 Free

34.41

3:51.69

400 Free

34.78

4:26.47

100 Free

1:09.19

450 Free

34.86

5:01.33

500 Free

33.48

5:34.81

100 Free

1:08.34

200 Y IM

2:16.51

A: 2:09.39 (+7.12s | 5.2%)

50 Fly

28.96

100 Back

35.56

1:04.52

100 IM

1:04.52

150 Breast

39.69

1:44.21

200 Free

32.30

2:16.51

100 IM

1:11.99

100 Y Back

1:00.49

A: 57.89 (+2.60s | 4.3%)

50 Back

28.95

100 Back

31.54

1:00.49

100 Back

1:00.49

2025 PV MAKO FALL INVITATIONAL

09/27/2025

Fairfax

100 Y Free

55.10

AA: 53.39 (+1.71s | 3.1%)

50 Free

26.36

100 Free

28.74

55.10

100 Free

55.10

100 Y Breast

1:13.70

A: 1:08.99 (+4.71s | 6.4%)

50 Breast

34.39

100 Breast

39.31

1:13.70

100 Breast

1:13.70

200 Y Free

2:02.54

A: 2:02.19 (+0.35s | 0.3%)

50 Free

28.32

100 Free

31.26

59.58

100 Free

59.58

150 Free

31.72

1:31.30

200 Free

31.24

2:02.54

100 Free

1:02.96

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.

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	24.61	22.19 (+2.42s \| 9.8%)	21.29 (+3.32s \| 13.5%)	21.29 (+3.32s \| 13.5%)	20.59 (+4.02s \| 16.3%)	20.09 (+4.52s \| 18.4%)	20.39 (+4.22s \| 17.1%)
Free 100 Y	54.17	48.19 (+5.98s \| 11.0%)	46.39 (+7.78s \| 14.4%)	46.39 (+7.78s \| 14.4%)	45.09 (+9.08s \| 16.8%)	43.49 (+10.68s \| 19.7%)	44.39 (+9.78s \| 18.1%)
Free 200 Y	1:59.95	1:45.79 (+14.16s \| 11.8%)	1:41.59 (+18.36s \| 15.3%)	1:41.59 (+18.36s \| 15.3%)	1:38.79 (+21.16s \| 17.6%)	1:36.49 (+23.46s \| 19.6%)	1:38.09 (+21.86s \| 18.2%)
Free 500 Y	5:34.81	4:47.79 (+47.02s \| 14.0%)	4:37.09 (+57.72s \| 17.2%)	4:37.09 (+57.72s \| 17.2%)	4:29.49 (+65.32s \| 19.5%)	4:22.09 (+72.72s \| 21.7%)	4:27.69 (+67.12s \| 20.0%)
Free 1000 Y	11:08.17	9:59.49 (+68.68s \| 10.3%)	9:34.29 (+93.88s \| 14.1%)	9:34.29 (+93.88s \| 14.1%)	9:25.49 (+102.68s \| 15.4%)	9:07.49 (+120.68s \| 18.1%)	9:13.19 (+114.98s \| 17.2%)
Back 50 Y	27.24	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	58.29	53.89 (+4.40s \| 7.5%)	51.49 (+6.80s \| 11.7%)	51.49 (+6.80s \| 11.7%)	49.39 (+8.90s \| 15.3%)	47.59 (+10.70s \| 18.4%)	48.89 (+9.40s \| 16.1%)
Back 200 Y	2:10.09	1:57.29 (+12.80s \| 9.8%)	1:52.79 (+17.30s \| 13.3%)	1:52.79 (+17.30s \| 13.3%)	1:48.29 (+21.80s \| 16.8%)	1:45.49 (+24.60s \| 18.9%)	1:47.09 (+23.00s \| 17.7%)
Breast 50 Y	32.66	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 Y	1:13.06	1:00.89 (+12.17s \| 16.7%)	57.99 (+15.07s \| 20.6%)	57.99 (+15.07s \| 20.6%)	55.89 (+17.17s \| 23.5%)	54.19 (+18.87s \| 25.8%)	55.29 (+17.77s \| 24.3%)
Fly 50 Y	26.07	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 Y	56.69	52.89 (+3.80s \| 6.7%)	50.59 (+6.10s \| 10.8%)	50.59 (+6.10s \| 10.8%)	48.99 (+7.70s \| 13.6%)	47.79 (+8.90s \| 15.7%)	48.39 (+8.30s \| 14.6%)
Fly 200 Y	2:07.19	1:58.89 (+8.30s \| 6.5%)	1:53.69 (+13.50s \| 10.6%)	1:53.69 (+13.50s \| 10.6%)	1:49.59 (+17.60s \| 13.8%)	1:45.99 (+21.20s \| 16.7%)	1:47.89 (+19.30s \| 15.2%)
IM 200 Y	2:08.62	1:58.19 (+10.43s \| 8.1%)	1:53.89 (+14.73s \| 11.5%)	1:53.89 (+14.73s \| 11.5%)	1:50.09 (+18.53s \| 14.4%)	1:46.39 (+22.23s \| 17.3%)	1:48.89 (+19.73s \| 15.3%)