Nathaniel Seo

Age: 9 years old
Age Category: 10 & under
Team: Seattle Metropolitan Aquatic C | Pacific Northwest Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Seattle Metropolitan Aquatic C

Pacific Northwest Swimming

Western Zone

USA

Free 25 Y

26.19

09/26/2025

Rankings

Free 50 Y

44.39

10/10/2026

B: 38.19 (+6.20s | 14.0%)

Rankings

Free 100 Y

1:45.79

Analysis

10/16/2026

B: 1:27.99 (+17.80s | 16.8%)

Rankings

50 Free

49.84

100 Free

55.95

1:45.79

100 Free

1:45.79

Free 200 Y

3:59.46

Analysis

10/16/2026

B: 3:09.49 (+49.97s | 20.9%)

Rankings

50 Free

52.01

100 Free

1:03.31

1:55.32

100 Free

1:55.32

150 Free

1:05.44

3:00.76

200 Free

58.70

3:59.46

100 Free

2:04.14

Back 50 Y

47.48

10/10/2026

BB: 42.89 (+4.59s | 9.7%)

Rankings

Back 100 Y

1:50.85

Analysis

10/16/2026

B: 1:40.69 (+10.16s | 9.2%)

Rankings

50 Back

55.39

100 Back

55.46

1:50.85

100 Back

1:50.85

Breast 25 Y

32.69

09/26/2025

Rankings

Breast 50 Y

52.63

10/10/2026

BB: 47.69 (+4.94s | 9.4%)

Rankings

Breast 100 Y

1:57.70

Analysis

10/16/2026

B: 1:54.09 (+3.61s | 3.1%)

Rankings

50 Breast

54.90

100 Breast

1:02.80

1:57.70

100 Breast

1:57.70

Fly 50 Y

1:02.45

10/10/2026

B: 46.49 (+15.96s | 25.6%)

Rankings

IM 100 Y

2:02.80

Analysis

05/30/2026

B: 1:39.69 (+23.11s | 18.8%)

Rankings

50 IM

59.14

100 IM

1:03.66

2:02.80

100 IM

2:02.80

Long course distance

Event	Time	Age	Date	Next Standard	Seattle Metropolitan Aquatic C	Pacific Northwest Swimming	Western Zone	USA
Free 50 M	59.49	9	05/15/2026	B: 43.89 (+15.60s \| 26.2%)	Rankings	Rankings	Rankings	Rankings

Back 50 M	56.23	9	05/15/2026	B: 55.39 (+0.84s \| 1.5%)	Rankings	Rankings	Rankings	Rankings

Breast 50 M	1:03.70	9	05/15/2026	B: 1:00.89 (+2.81s \| 4.4%)	Rankings	Rankings	Rankings	Rankings

Fly 50 M	1:21.16	9	05/15/2026	B: 52.29 (+28.87s \| 35.6%)	Rankings	Rankings	Rankings	Rankings

Above are the fastest times that Nathaniel Seo has achieved in his swimming career. For each event, you can find Nathaniel's best time, the corresponding time standard, as well as how much faster Nathaniel needs to be to reach the next level. The last columns provide Nathaniel rankings at the team and LSC levels. These rankings are based on the Nathaniel'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
Got the Bonus time standard (extra events for qualified swimmers)

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	44.39	22.19 (+22.20s \| 50.0%) 22.79 (+21.60s \| 48.7%)	21.29 (+23.10s \| 52.0%)	21.29 (+23.10s \| 52.0%)	20.49 (+23.90s \| 53.8%)	19.69 (+24.70s \| 55.6%)	20.39 (+24.00s \| 54.1%)
Free 100 Y	1:45.79	48.19 (+57.60s \| 54.4%) 49.49 (+56.30s \| 53.2%)	46.39 (+59.40s \| 56.1%)	46.39 (+59.40s \| 56.1%)	44.89 (+60.90s \| 57.6%)	43.09 (+62.70s \| 59.3%)	44.39 (+61.40s \| 58.0%)
Free 200 Y	3:59.46	1:45.79 (+133.67s \| 55.8%) 1:48.79 (+130.67s \| 54.6%)	1:41.59 (+137.87s \| 57.6%)	1:41.59 (+137.87s \| 57.6%)	1:38.39 (+141.07s \| 58.9%)	1:34.99 (+144.47s \| 60.3%)	1:38.09 (+141.37s \| 59.0%)
Back 50 Y	47.48	24.79 (+22.69s \| 47.8%) 25.39 (+22.09s \| 46.5%)	N/A	N/A	N/A	21.49 (+25.99s \| 54.7%)	N/A
Back 100 Y	1:50.85	53.89 (+56.96s \| 51.4%) 55.39 (+55.46s \| 50.0%)	51.49 (+59.36s \| 53.5%)	51.49 (+59.36s \| 53.5%)	49.19 (+61.66s \| 55.6%)	46.99 (+63.86s \| 57.6%)	48.89 (+61.96s \| 55.9%)
Breast 50 Y	52.63	27.69 (+24.94s \| 47.4%) 28.09 (+24.54s \| 46.6%)	N/A	N/A	N/A	24.39 (+28.24s \| 53.7%)	N/A
Breast 100 Y	1:57.70	1:00.89 (+56.81s \| 48.3%) 1:02.59 (+55.11s \| 46.8%)	57.99 (+59.71s \| 50.7%)	57.99 (+59.71s \| 50.7%)	55.49 (+62.21s \| 52.9%)	53.29 (+64.41s \| 54.7%)	55.29 (+62.41s \| 53.0%)
Fly 50 Y	1:02.45	24.09 (+38.36s \| 61.4%) 24.39 (+38.06s \| 60.9%)	N/A	N/A	N/A	21.19 (+41.26s \| 66.1%)	N/A
IM 100 Y	2:02.80	N/A	N/A	N/A	N/A	N/A	N/A

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	U.S. Olympic Team Trials
Free 50 M	59.49	25.89 (+33.60s \| 56.5%) 26.59 (+32.90s \| 55.3%)	24.59 (+34.90s \| 58.7%)	24.59 (+34.90s \| 58.7%)	24.09 (+35.40s \| 59.5%)	23.29 (+36.20s \| 60.9%)	23.79 (+35.70s \| 60.0%)	22.69 (+36.80s \| 61.9%)
Back 50 M	56.23	29.29 (+26.94s \| 47.9%) 29.79 (+26.44s \| 47.0%)	N/A	N/A	N/A	26.09 (+30.14s \| 53.6%)	N/A	25.59 (+30.64s \| 54.5%)
Breast 50 M	1:03.70	32.89 (+30.81s \| 48.4%) 33.39 (+30.31s \| 47.6%)	N/A	N/A	N/A	29.19 (+34.51s \| 54.2%)	N/A	28.09 (+35.61s \| 55.9%)
Fly 50 M	1:21.16	28.19 (+52.97s \| 65.3%) 28.69 (+52.47s \| 64.7%)	N/A	N/A	N/A	24.89 (+56.27s \| 69.3%)	N/A	23.99 (+57.17s \| 70.4%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 PN VAST Fall Classic Invite Approved

10/16/2026

Federal Way

50 Y Breast

55.49

+2.86s

B: 53.39 (+2.10s | 3.8%)

50 Y Back

51.77

+4.29s

B: 48.29 (+3.48s | 6.7%)

200 Y Free

3:59.46

B: 3:09.49 (+49.97s | 20.9%)

50 Free

52.01

100 Free

1:03.31

1:55.32

100 Free

1:55.32

150 Free

1:05.44

3:00.76

200 Free

58.70

3:59.46

100 Free

2:04.14

100 Y Back

1:50.85

-1.02s (New PB)

B: 1:40.69 (+10.16s | 9.2%)

50 Back

55.39

100 Back

55.46

1:50.85

100 Back

1:50.85

100 Y Free

1:45.79

-4.79s (New PB)

B: 1:27.99 (+17.80s | 16.8%)

50 Free

49.84

100 Free

55.95

1:45.79

100 Free

1:45.79

100 Y Breast

1:57.70

-1.40s (New PB)

B: 1:54.09 (+3.61s | 3.1%)

50 Breast

54.90

100 Breast

1:02.80

1:57.70

100 Breast

1:57.70

2026 PN SMAC Fall Kick Off Approved

10/10/2026

Snohomish

50 Y Breast

52.63

-3.67s (New PB)

BB: 47.69 (+4.94s | 9.4%)

50 Y Free

44.39

-6.15s (New PB)

B: 38.19 (+6.20s | 14.0%)

100 Y Free

1:50.58

-4.58s (New PB)

B: 1:27.99 (+22.59s | 20.4%)

50 Free

50.34

100 Free

1:00.24

1:50.58

100 Free

1:50.58

50 Y Back

47.48

-2.44s (New PB)

BB: 42.89 (+4.59s | 9.7%)

50 Y Fly

1:02.45

-0.37s (New PB)

B: 46.49 (+15.96s | 25.6%)

2026 PN PRO June Summer Intrasquad

06/19/2026

Bellevue

50 Y Breast

58.34

+2.04s

B: 53.39 (+4.95s | 8.5%)

100 Y Free

1:55.16

-15.75s (New PB)

B: 1:27.99 (+27.17s | 23.6%)

50 Free

54.17

100 Free

1:00.99

1:55.16

100 Free

1:55.16

100 Y Breast

1:59.10

B: 1:54.09 (+5.01s | 4.2%)

50 Breast

58.58

100 Breast

1:00.52

1:59.10

100 Breast

1:59.10

50 Y Free

52.49

+1.95s

B: 38.19 (+14.30s | 27.2%)

50 Y Fly

1:02.82

-0.37s (New PB)

B: 46.49 (+16.33s | 26.0%)

50 Y Back

54.80

+4.88s

B: 48.29 (+6.51s | 11.9%)

2026 PN Pro Summer Pentathlon Approved

05/30/2026

Bellevue

50 Y Fly

1:05.43

+2.24s

B: 46.49 (+18.94s | 28.9%)

50 Y Back

54.54

+4.62s

B: 48.29 (+6.25s | 11.5%)

100 Y IM

2:02.80

B: 1:39.69 (+23.11s | 18.8%)

50 IM

59.14

100 IM

1:03.66

2:02.80

100 IM

2:02.80

50 Y Free

54.60

+4.06s

B: 38.19 (+16.41s | 30.1%)

50 Y Breast

57.16

+0.86s

B: 53.39 (+3.77s | 6.6%)

2026 PN IST Sockeye Springtime Madness App

05/15/2026

Federal Way

50 M Back

56.23

B: 55.39 (+0.84s | 1.5%)

50 M Free

59.49

B: 43.89 (+15.60s | 26.2%)

50 M Breast

1:03.70

B: 1:00.89 (+2.81s | 4.4%)

50 M Fly

1:21.16

B: 52.29 (+28.87s | 35.6%)

2026 PN Spring Showdown, Div1 Approved

03/28/2026

Snohomish

50 Y Breast

59.67

+3.37s

B: 53.39 (+6.28s | 10.5%)

50 Y Back

49.92

-0.99s (New PB)

B: 48.29 (+1.63s | 3.3%)

50 Y Free

54.29

+3.75s

B: 38.19 (+16.10s | 29.7%)

50 Y Fly

1:03.19

-6.54s (New PB)

B: 46.49 (+16.70s | 26.4%)

2026 PN PRO March Last Chance Intra Apprived

03/06/2026

Bellevue

50 Y Free

1:00.25

+9.71s

B: 38.19 (+22.06s | 36.6%)

100 Y Free

2:10.91

B: 1:27.99 (+42.92s | 32.8%)

50 Free

1:01.75

100 Free

1:09.16

2:10.91

100 Free

2:10.91

50 Y Fly

1:09.73

-0.42s (New PB)

B: 46.49 (+23.24s | 33.3%)

100 Y Back

1:51.87

B: 1:40.69 (+11.18s | 10.0%)

50 Back

53.80

100 Back

58.07

1:51.87

100 Back

1:51.87

50 Y Back

53.08

+2.17s

B: 48.29 (+4.79s | 9.0%)

50 Y Breast

56.30

-3.47s (New PB)

B: 53.39 (+2.91s | 5.2%)

2026 PN Pro January Intrasquad Approved

01/23/2026

Bellevue

50 Y Free

50.54

-5.49s (New PB)

B: 38.19 (+12.35s | 24.4%)

50 Y Breast

1:00.06

+0.29s

B: 53.39 (+6.67s | 11.1%)

50 Y Back

50.91

-9.17s (New PB)

B: 48.29 (+2.62s | 5.1%)

2025 PN Fall Divisionals, Division 3 WAVE

12/06/2025

Kirkland

50 Y Back

1:00.08

-2.26s (New PB)

B: 48.29 (+11.79s | 19.6%)

50 Y Breast

1:01.81

+2.04s

B: 53.39 (+8.42s | 13.6%)

50 Y Fly

1:10.15

B: 46.49 (+23.66s | 33.7%)

50 Y Free

56.03

-2.79s (New PB)

B: 38.19 (+17.84s | 31.8%)

2025 PN Pro October Intrasquad

10/24/2025

Bellevue

50 Y Breast

59.77

-4.18s (New PB)

B: 53.39 (+6.38s | 10.7%)

2025 Pro Season Kick Off Intrasquad

09/26/2025

Bellevue

50 Y Breast

1:03.95

B: 53.39 (+10.56s | 16.5%)

50 Y Free

58.82

B: 38.19 (+20.63s | 35.1%)

50 Y Back

1:02.34

B: 48.29 (+14.05s | 22.5%)

25 Y Free

26.19

25 Y Breast

32.69

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.