Leonie Kostowicz

Age: 7 years old
Age Category: 10 & under
Team: Gulliver Swim Club | Florida Gold Coast Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Gulliver Swim Club

Florida Gold Coast Swimming

Southern Zone

USA

Free 25 Y

17.83

09/19/2026

Rankings

Free 50 Y

39.98

06/06/2026

B: 39.79 (+0.19s | 0.5%)

Rankings

Free 100 Y

1:26.71

Analysis

10/10/2026

BB: 1:21.09 (+5.62s | 6.5%)

Rankings

50 Free

39.77

100 Free

46.94

1:26.71

100 Free

1:26.71

Back 25 Y

21.96

12/06/2025

Rankings

Back 50 Y

42.32

10/10/2026

A: 37.99 (+4.33s | 10.2%)

Rankings

Breast 25 Y

26.37

09/19/2026

Rankings

Breast 50 Y

58.92

02/14/2026

B: 54.59 (+4.33s | 7.3%)

Rankings

Fly 25 Y

21.33

09/26/2026

Rankings

Fly 50 Y

54.07

10/10/2026

B: 48.39 (+5.68s | 10.5%)

Rankings

IM 100 Y

1:48.47

Analysis

09/26/2026

B: 1:44.29 (+4.18s | 3.9%)

Rankings

50 IM

52.82

100 IM

55.65

1:48.47

100 IM

1:48.47

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Gulliver Swim Club

Florida Gold Coast Swimming

Southern Zone

USA

Free 50 M

43.34

05/15/2026

BB: 40.89 (+2.45s | 5.7%)

Rankings

Free 100 M

1:38.71

Analysis

05/01/2026

BB: 1:32.99 (+5.72s | 5.8%)

Rankings

50 Free

46.93

100 Free

51.78

1:38.71

100 Free

1:38.71

Back 50 M

54.08

05/01/2026

BB: 49.69 (+4.39s | 8.1%)

Rankings

Back 100 M

1:50.99

Analysis

05/01/2026

BB: 1:48.09 (+2.90s | 2.6%)

Rankings

50 Back

54.55

100 Back

56.44

1:50.99

100 Back

1:50.99

Breast 50 M

1:10.57

05/01/2026

B: 1:02.19 (+8.38s | 11.9%)

Rankings

Fly 50 M

1:04.12

05/01/2026

B: 54.49 (+9.63s | 15.0%)

Rankings

Above are the fastest times that Leonie Kostowicz has achieved in her swimming career. For each event, you can find Leonie's best time, the corresponding time standard, as well as how much faster Leonie needs to be to reach the next level. The last columns provide Leonie rankings at the team and LSC levels. These rankings are based on the Leonie'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
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	39.98	24.89 (+15.09s \| 37.7%) 25.69 (+14.29s \| 35.7%)	23.89 (+16.09s \| 40.2%)	23.89 (+16.09s \| 40.2%)	23.29 (+16.69s \| 41.7%)	22.49 (+17.49s \| 43.7%)	22.79 (+17.19s \| 43.0%)
Free 100 Y	1:26.71	53.99 (+32.72s \| 37.7%) 55.49 (+31.22s \| 36.0%)	51.89 (+34.82s \| 40.2%)	51.89 (+34.82s \| 40.2%)	50.39 (+36.32s \| 41.9%)	48.99 (+37.72s \| 43.5%)	49.69 (+37.02s \| 42.7%)
Back 50 Y	42.32	27.59 (+14.73s \| 34.8%) 28.29 (+14.03s \| 33.2%)	N/A	N/A	N/A	24.39 (+17.93s \| 42.4%)	N/A
Breast 50 Y	58.92	30.99 (+27.93s \| 47.4%) 31.89 (+27.03s \| 45.9%)	N/A	N/A	N/A	27.99 (+30.93s \| 52.5%)	N/A
Fly 50 Y	54.07	27.09 (+26.98s \| 49.9%) 27.69 (+26.38s \| 48.8%)	N/A	N/A	N/A	24.09 (+29.98s \| 55.4%)	N/A
IM 100 Y	1:48.47	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	43.34	28.69 (+14.65s \| 33.8%) 29.49 (+13.85s \| 32.0%)	27.39 (+15.95s \| 36.8%)	27.39 (+15.95s \| 36.8%)	26.89 (+16.45s \| 38.0%)	26.19 (+17.15s \| 39.6%)	26.59 (+16.75s \| 38.6%)	25.69 (+17.65s \| 40.7%)
Free 100 M	1:38.71	1:01.89 (+36.82s \| 37.3%) 1:03.69 (+35.02s \| 35.5%)	59.29 (+39.42s \| 39.9%)	59.29 (+39.42s \| 39.9%)	58.19 (+40.52s \| 41.0%)	56.79 (+41.92s \| 42.5%)	57.59 (+41.12s \| 41.7%)	55.79 (+42.92s \| 43.5%)
Back 50 M	54.08	32.39 (+21.69s \| 40.1%) 32.89 (+21.19s \| 39.2%)	N/A	N/A	N/A	29.19 (+24.89s \| 46.0%)	N/A	28.89 (+25.19s \| 46.6%)
Back 100 M	1:50.99	1:09.49 (+41.50s \| 37.4%) 1:11.39 (+39.60s \| 35.7%)	1:06.79 (+44.20s \| 39.8%)	1:06.79 (+44.20s \| 39.8%)	1:04.79 (+46.20s \| 41.6%)	1:03.29 (+47.70s \| 43.0%)	1:04.39 (+46.60s \| 42.0%)	1:01.79 (+49.20s \| 44.3%)
Breast 50 M	1:10.57	36.59 (+33.98s \| 48.2%) 37.09 (+33.48s \| 47.4%)	N/A	N/A	N/A	33.19 (+37.38s \| 53.0%)	N/A	32.09 (+38.48s \| 54.5%)
Fly 50 M	1:04.12	31.19 (+32.93s \| 51.4%) 31.59 (+32.53s \| 50.7%)	N/A	N/A	N/A	28.19 (+35.93s \| 56.0%)	N/A	26.99 (+37.13s \| 57.9%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

OCTOBER OPEN 2026

10/10/2026

POMPANO BEACH

50 Y Back

42.32

-3.19s (New PB)

A: 37.99 (+4.33s | 10.2%)

100 Y Free

1:26.71

BB: 1:21.09 (+5.62s | 6.5%)

50 Free

39.77

100 Free

46.94

1:26.71

100 Free

1:26.71

50 Y Free

43.46

+3.48s

B: 39.79 (+3.67s | 8.4%)

50 Y Fly

54.07

B: 48.39 (+5.68s | 10.5%)

Eagle Fall Invite 2026

09/26/2026

Miami Shores

100 Y IM

1:48.47

-8.72s (New PB)

B: 1:44.29 (+4.18s | 3.9%)

50 IM

52.82

100 IM

55.65

1:48.47

100 IM

1:48.47

25 Y Back

22.11

+0.15s

25 Y Free

18.15

+0.32s

50 Y Back

45.51

-0.75s (New PB)

BB: 43.29 (+2.22s | 4.9%)

50 Y Free

40.93

+0.95s

B: 39.79 (+1.14s | 2.8%)

25 Y Fly

21.33

-0.35s (New PB)

2026 DSC Season Opener Invite

09/19/2026

Doral

25 Y Fly

21.68

-0.19s (New PB)

50 Y Free

40.48

+0.50s

B: 39.79 (+0.69s | 1.7%)

25 Y Breast

26.37

-0.59s (New PB)

50 Y Back

46.26

-1.37s (New PB)

BB: 43.29 (+2.97s | 6.4%)

25 Y Free

17.83

-0.23s (New PB)

NMST Relay Invite 26

08/22/2026

Miami

25 Y Fly

21.87

+0.00s

25 Y Breast

26.96

-0.53s (New PB)

25 Y Free

18.06

-0.48s (New PB)

50 Y Back

47.63

-2.58s (New PB)

BB: 43.29 (+4.34s | 9.1%)

25 Y Back

22.97

+1.01s

2026 FGC Summer LC Age Group Championships

07/16/2026

Stuart

50 M Back

1:03.18

+9.10s

B: 55.79 (+7.39s | 11.7%)

NMST June Invite 26

06/06/2026

Miami

50 Y Back

50.21

-0.47s (New PB)

B: 48.59 (+1.62s | 3.2%)

50 Y Free

39.98

-1.90s (New PB)

B: 39.79 (+0.19s | 0.5%)

25 Y Breast

27.49

-0.80s (New PB)

25 Y Fly

22.71

+0.84s

2026 Gulliver LCM Summer Classic

05/15/2026

Miami

50 M Breast

1:13.02

+2.45s

B: 1:02.19 (+10.83s | 14.8%)

50 M Free

43.34

-3.39s (New PB)

BB: 40.89 (+2.45s | 5.7%)

50 M Back

54.72

+0.64s

BB: 49.69 (+5.03s | 9.2%)

Jesse Vasallo Swimming Invitational

05/01/2026

POMPANO BEACH

50 M Free

46.73

B: 45.29 (+1.44s | 3.1%)

50 M Breast

1:10.57

B: 1:02.19 (+8.38s | 11.9%)

50 M Fly

1:04.12

B: 54.49 (+9.63s | 15.0%)

100 M Free

1:38.71

BB: 1:32.99 (+5.72s | 5.8%)

50 Free

46.93

100 Free

51.78

1:38.71

100 Free

1:38.71

50 M Back

54.08

BB: 49.69 (+4.39s | 8.1%)

100 M Back

1:50.99

BB: 1:48.09 (+2.90s | 2.6%)

50 Back

54.55

100 Back

56.44

1:50.99

100 Back

1:50.99

NMST BMHG February BC Invite 26

02/14/2026

Haileah Gardens

50 Y Breast

58.92

B: 54.59 (+4.33s | 7.3%)

50 Y Back

50.68

-2.76s (New PB)

B: 48.59 (+2.09s | 4.1%)

SPEEDO CUP CLOSED INVITE Copied

01/23/2026

Fort Lauderdale

50 Y Free

44.63

+2.75s

B: 39.79 (+4.84s | 10.8%)

25 Y Back

22.44

+0.48s

25 Y Free

18.70

+0.16s

50 Y Back

56.21

+2.77s

B: 48.59 (+7.62s | 13.6%)

25 Y Fly

22.38

+0.51s

2025 Pompano Beach Santa Claus Meet

12/06/2025

Pompano Beach

25 Y Breast

28.29

25 Y Fly

21.87

25 Y Back

21.96

-3.14s (New PB)

25 Y Free

18.54

-2.34s (New PB)

2025 Gulliver Gobble Gobble Nov Last Chance

11/21/2025

Miami

50 Y Free

41.88

-4.81s (New PB)

B: 39.79 (+2.09s | 5.0%)

50 Y Back

53.44

-0.48s (New PB)

B: 48.59 (+4.85s | 9.1%)

100 Y IM

1:57.19

B: 1:44.29 (+12.90s | 11.0%)

50 IM

53.82

100 IM

1:03.37

1:57.19

100 IM

1:57.19

2025 Gulliver Fall Classic

10/10/2025

Miami

50 Y Back

53.92

B: 48.59 (+5.33s | 9.9%)

50 Y Free

46.69

-5.08s (New PB)

B: 39.79 (+6.90s | 14.8%)

Eagle Fall Invite 2025

09/27/2025

Miami Shores

25 Y Back

25.10

25 Y Free

20.88

Scotty Invite

09/13/2025

Boca Raton

50 Y Free

51.77

B: 39.79 (+11.98s | 23.1%)

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.