Kathryn Manthei

Age: 9 years old
Age Category: 10 & under
Team: Saline Swim Team | Unattached

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Saline Swim Team

Unattached

USA

Free 50 Y

40.60

11/21/2025

B: 39.79 (+0.81s | 2.0%)

345

1,000+

Free 100 Y

1:35.70

11/21/2025

B: 1:30.79 (+4.91s | 5.1%)

298

1,000+

50 Free

45.09

100 Free

50.61

1:35.70

100 Free

1:35.70

Back 50 Y

45.70

02/14/2026

BB: 43.29 (+2.41s | 5.3%)

135

1,000+

Back 100 Y

1:40.87

02/14/2026

BB: 1:33.99 (+6.88s | 6.8%)

189

1,000+

50 Back

50.35

100 Back

50.52

1:40.87

100 Back

1:40.87

Breast 50 Y

56.39

11/21/2025

B: 54.59 (+1.80s | 3.2%)

105

1,000+

Breast 100 Y

2:06.32

11/21/2025

B: 2:00.29 (+6.03s | 4.8%)

195

1,000+

50 Breast

58.94

100 Breast

1:07.38

2:06.32

100 Breast

2:06.32

Fly 50 Y

51.73

02/06/2026

B: 48.39 (+3.34s | 6.5%)

1,000+

IM 100 Y

1:44.30

12/13/2025

B: 1:44.29 (+0.01s | 0.0%)

1,000+

50 IM

48.98

100 IM

55.32

1:44.30

100 IM

1:44.30

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Saline Swim Team	Unattached	Unattached	USA

Above are the fastest times that Kathryn Manthei has achieved in her swimming career. For each event, you can find Kathryn's best time, the corresponding time standard, as well as how much faster Kathryn needs to be to reach the next level. The last columns provide Kathryn rankings at the team and LSC levels. These rankings are based on the Kathryn's personal best, her 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	SouthWestern Age Group Regional
Free 50 Y	40.60	24.89 (+15.71s \| 38.7%)	23.89 (+16.71s \| 41.2%)	23.89 (+16.71s \| 41.2%)	23.29 (+17.31s \| 42.6%)	22.59 (+18.01s \| 44.4%)	22.79 (+17.81s \| 43.9%)	30.89 (+9.71s \| 23.9%)
Free 100 Y	1:35.70	53.99 (+41.71s \| 43.6%)	51.89 (+43.81s \| 45.8%)	51.89 (+43.81s \| 45.8%)	50.39 (+45.31s \| 47.3%)	49.29 (+46.41s \| 48.5%)	49.69 (+46.01s \| 48.1%)	1:08.19 (+27.51s \| 28.7%)
Back 50 Y	45.70	N/A	N/A	N/A	N/A	N/A	N/A	36.49 (+9.21s \| 20.2%)
Back 100 Y	1:40.87	59.49 (+41.38s \| 41.0%)	57.09 (+43.78s \| 43.4%)	57.09 (+43.78s \| 43.4%)	55.09 (+45.78s \| 45.4%)	53.89 (+46.98s \| 46.6%)	54.49 (+46.38s \| 46.0%)	1:17.89 (+22.98s \| 22.8%)
Breast 50 Y	56.39	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+16.00s \| 28.4%)
Breast 100 Y	2:06.32	1:07.59 (+58.73s \| 46.5%)	1:05.49 (+60.83s \| 48.2%)	1:05.49 (+60.83s \| 48.2%)	1:03.09 (+63.23s \| 50.1%)	1:01.79 (+64.53s \| 51.1%)	1:02.79 (+63.53s \| 50.3%)	1:27.99 (+38.33s \| 30.3%)
Fly 50 Y	51.73	N/A	N/A	N/A	N/A	N/A	N/A	35.09 (+16.64s \| 32.2%)
IM 100 Y	1:44.30	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+26.61s \| 25.5%)

Long Course Distance

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

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

SAC Winter Classic

02/14/2026

Novi

50 Y Fly

54.30

+2.57s

B: 48.39 (+5.91s | 10.9%)

100 Y Free

1:41.70

+6.00s

B: 1:30.79 (+10.91s | 10.7%)

50 Free

48.18

100 Free

53.52

1:41.70

100 Free

1:41.70

50 Y Free

44.08

+3.48s

B: 39.79 (+4.29s | 9.7%)

50 Y Back

45.70

-1.62s (New PB)

BB: 43.29 (+2.41s | 5.3%)

100 Y Back

1:40.87

-5.30s (New PB)

BB: 1:33.99 (+6.88s | 6.8%)

50 Back

50.35

100 Back

50.52

1:40.87

100 Back

1:40.87

100 Y IM

1:49.14

+4.84s

B: 1:44.29 (+4.85s | 4.4%)

SST Snowstorm Splash

02/06/2026

Saline

50 Y Back

47.32

-2.67s (New PB)

BB: 43.29 (+4.03s | 8.5%)

100 Y Free

1:39.04

+3.34s

B: 1:30.79 (+8.25s | 8.3%)

50 Y Fly

51.73

-3.74s (New PB)

B: 48.39 (+3.34s | 6.5%)

2025 DRD Winter Solstice Meet

12/13/2025

Saline

50 Y Breast

59.25

+2.86s

B: 54.59 (+4.66s | 7.9%)

100 Y IM

1:44.30

B: 1:44.29 (+0.01s | 0.0%)

50 IM

48.98

100 IM

55.32

1:44.30

100 IM

1:44.30

100 Y Breast

2:08.59

+2.27s

B: 2:00.29 (+8.30s | 6.5%)

50 Breast

1:00.24

100 Breast

1:08.35

2:08.59

100 Breast

2:08.59

50 Y Back

49.99

-2.38s (New PB)

B: 48.59 (+1.40s | 2.8%)

100 Y Free

1:37.21

+1.51s

B: 1:30.79 (+6.42s | 6.6%)

50 Free

46.01

100 Free

51.20

1:37.21

100 Free

1:37.21

50 Y Fly

55.47

-0.86s (New PB)

B: 48.39 (+7.08s | 12.8%)

50 Y Free

44.69

+4.09s

B: 39.79 (+4.90s | 11.0%)

2025 SST Fall Classic

11/21/2025

Saline

100 Y Free

1:35.70

-6.82s (New PB)

B: 1:30.79 (+4.91s | 5.1%)

50 Free

45.09

100 Free

50.61

1:35.70

100 Free

1:35.70

50 Y Free

40.60

-7.34s (New PB)

B: 39.79 (+0.81s | 2.0%)

50 Y Back

52.80

+0.43s

B: 48.59 (+4.21s | 8.0%)

100 Y Breast

2:06.32

B: 2:00.29 (+6.03s | 4.8%)

50 Breast

58.94

100 Breast

1:07.38

2:06.32

100 Breast

2:06.32

50 Y Breast

56.39

B: 54.59 (+1.80s | 3.2%)

100 Y Back

1:46.17

B: 1:45.79 (+0.38s | 0.4%)

50 Back

52.94

100 Back

53.23

1:46.17

100 Back

1:46.17

25th Annual A3 Red, White, And Blue Classic

11/07/2025

Dexter

100 Y Free

1:44.80

+2.28s

B: 1:30.79 (+14.01s | 13.4%)

50 Free

49.01

100 Free

55.79

1:44.80

100 Free

1:44.80

50 Y Back

52.37

B: 48.59 (+3.78s | 7.2%)

50 Y Fly

56.36

+0.03s

B: 48.39 (+7.97s | 14.1%)

2025 USSC Trick Or Treat Grab Bag Classic

10/17/2025

Waterford

50 Y Free

47.94

B: 39.79 (+8.15s | 17.0%)

50 Y Fly

56.33

B: 48.39 (+7.94s | 14.1%)

100 Y Free

1:42.52

B: 1:30.79 (+11.73s | 11.4%)

50 Free

48.09

100 Free

54.43

1:42.52

100 Free

1:42.52

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.