Lucas Kostelnik

Age: 10 years old
Age Category: 10 & under
Team: Byron Center Aquatics | Michigan Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Byron Center Aquatics

Michigan Swimming

Central Zone

USA

Free 50 Y

37.30

03/07/2026

BB: 34.59 (+2.71s | 7.3%)

278

657

1,000+

Free 100 Y

1:25.45

Analysis

10/17/2025

BB: 1:18.89 (+6.56s | 7.7%)

261

653

1,000+

Free 200 Y

3:06.23

Analysis

12/05/2025

BB: 2:50.59 (+15.64s | 8.4%)

151

387

1,000+

Back 50 Y

47.30

02/07/2026

BB: 42.89 (+4.41s | 9.3%)

332

872

1,000+

Breast 50 Y

56.30

02/07/2026

B: 53.39 (+2.91s | 5.2%)

293

783

1,000+

Fly 50 Y

42.74

12/05/2025

BB: 41.29 (+1.45s | 3.4%)

125

323

1,000+

Fly 100 Y

1:32.31

Analysis

03/14/2026

A: 1:24.39 (+7.92s | 8.6%)

146

1,000+

50 Fly

42.36

100 Fly

49.95

1:32.31

100 Fly

1:32.31

IM 100 Y

1:42.57

Analysis

12/05/2025

B: 1:39.69 (+2.88s | 2.8%)

244

620

1,000+

50 IM

47.52

100 IM

55.05

1:42.57

100 IM

1:42.57

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Byron Center Aquatics	Michigan Swimming	Central Zone	USA

Above are the fastest times that Lucas Kostelnik has achieved in his swimming career. For each event, you can find Lucas's best time, the corresponding time standard, as well as how much faster Lucas needs to be to reach the next level. The last columns provide Lucas rankings at the team and LSC levels. These rankings are based on the Lucas'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	SouthWestern Age Group Regional
Free 50 Y	37.30	22.19 (+15.11s \| 40.5%)	21.29 (+16.01s \| 42.9%)	21.29 (+16.01s \| 42.9%)	20.59 (+16.71s \| 44.8%)	20.09 (+17.21s \| 46.1%)	20.39 (+16.91s \| 45.3%)	30.49 (+6.81s \| 18.3%)
Free 100 Y	1:25.45	48.19 (+37.26s \| 43.6%)	46.39 (+39.06s \| 45.7%)	46.39 (+39.06s \| 45.7%)	45.09 (+40.36s \| 47.2%)	43.49 (+41.96s \| 49.1%)	44.39 (+41.06s \| 48.1%)	1:07.19 (+18.26s \| 21.4%)
Free 200 Y	3:06.23	1:45.79 (+80.44s \| 43.2%)	1:41.59 (+84.64s \| 45.4%)	1:41.59 (+84.64s \| 45.4%)	1:38.79 (+87.44s \| 47.0%)	1:36.49 (+89.74s \| 48.2%)	1:38.09 (+88.14s \| 47.3%)	2:24.99 (+41.24s \| 22.1%)
Back 50 Y	47.30	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+11.01s \| 23.3%)
Breast 50 Y	56.30	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+16.01s \| 28.4%)
Fly 50 Y	42.74	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+8.05s \| 18.8%)
Fly 100 Y	1:32.31	52.89 (+39.42s \| 42.7%)	50.59 (+41.72s \| 45.2%)	50.59 (+41.72s \| 45.2%)	48.99 (+43.32s \| 46.9%)	47.79 (+44.52s \| 48.2%)	48.39 (+43.92s \| 47.6%)	1:19.89 (+12.42s \| 13.5%)
IM 100 Y	1:42.57	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+25.58s \| 24.9%)

Long Course Distance

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

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 SCY 10 Under Championship Meet

03/14/2026

Saline

100 Y Fly

1:32.31

-4.55s (New PB)

A: 1:24.39 (+7.92s | 8.6%)

50 Fly

42.36

100 Fly

49.95

1:32.31

100 Fly

1:32.31

2026 Lake Michigan Regional Meet

03/07/2026

East Grand Rapids

50 Y Fly

44.75

+2.01s

BB: 41.29 (+3.46s | 7.7%)

100 Y Free

1:30.31

+4.86s

B: 1:27.99 (+2.32s | 2.6%)

50 Free

42.24

100 Free

48.07

1:30.31

100 Free

1:30.31

100 Y Fly

1:36.86

-7.78s (New PB)

A: 1:24.39 (+12.47s | 12.9%)

50 Fly

45.31

100 Fly

51.55

1:36.86

100 Fly

1:36.86

50 Y Back

48.34

+1.04s

B: 48.29 (+0.05s | 0.1%)

50 Y Free

37.30

-0.14s (New PB)

BB: 34.59 (+2.71s | 7.3%)

2026 WMSL Winter A Championship

02/14/2026

Jenison

50 Y Free

38.21

+0.77s

B: 38.19 (+0.02s | 0.1%)

50 Y Fly

43.61

+0.87s

BB: 41.29 (+2.32s | 5.3%)

2026 Grand Rapids Open

02/07/2026

Kentwood

50 Y Back

47.30

-1.87s (New PB)

BB: 42.89 (+4.41s | 9.3%)

50 Y Breast

56.30

-2.67s (New PB)

B: 53.39 (+2.91s | 5.2%)

50 Y Free

38.65

+1.21s

B: 38.19 (+0.46s | 1.2%)

50 Y Fly

43.55

+0.81s

BB: 41.29 (+2.26s | 5.2%)

100 Y Fly

1:44.64

BB: 1:38.99 (+5.65s | 5.4%)

50 Fly

47.99

100 Fly

56.65

1:44.64

100 Fly

1:44.64

100 Y Free

1:27.85

+2.40s

BB: 1:18.89 (+8.96s | 10.2%)

50 Free

40.92

100 Free

46.93

1:27.85

100 Free

1:27.85

MLA 2026 Big Lake Invite

01/17/2026

Holland

200 Y Free

3:10.62

+4.39s

B: 3:09.49 (+1.13s | 0.6%)

50 Free

43.91

100 Free

50.14

1:34.05

100 Free

1:34.05

150 Free

48.77

2:22.82

200 Free

47.80

3:10.62

100 Free

1:36.57

50 Y Fly

45.22

+2.48s

BB: 41.29 (+3.93s | 8.7%)

50 Y Free

40.87

+3.43s

B: 38.19 (+2.68s | 6.6%)

EGRA 2025 Winter Washout

12/05/2025

Grand Rapids

50 Y Fly

42.74

-1.84s (New PB)

BB: 41.29 (+1.45s | 3.4%)

100 Y Free

1:28.41

+2.96s

B: 1:27.99 (+0.42s | 0.5%)

50 Free

40.25

100 Free

48.16

1:28.41

100 Free

1:28.41

200 Y Free

3:06.23

BB: 2:50.59 (+15.64s | 8.4%)

50 Y Breast

58.97

-3.33s (New PB)

B: 53.39 (+5.58s | 9.5%)

50 Y Free

37.44

-0.23s (New PB)

BB: 34.59 (+2.85s | 7.6%)

100 Y IM

1:42.57

-4.29s (New PB)

B: 1:39.69 (+2.88s | 2.8%)

50 IM

47.52

100 IM

55.05

1:42.57

100 IM

1:42.57

2025 WMS Boo Bash

10/17/2025

Zeeland

100 Y Free

1:25.45

BB: 1:18.89 (+6.56s | 7.7%)

50 Y Back

49.17

B: 48.29 (+0.88s | 1.8%)

50 Y Breast

1:02.30

B: 53.39 (+8.91s | 14.3%)

50 Y Fly

44.58

BB: 41.29 (+3.29s | 7.4%)

100 Y IM

1:46.86

B: 1:39.69 (+7.17s | 6.7%)

50 IM

50.10

100 IM

56.76

1:46.86

100 IM

1:46.86

50 Y Free

37.67

BB: 34.59 (+3.08s | 8.2%)

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.