Leah Mason

Age: 10 years old
Age Category: 10 & under
Team: Jenison | Michigan Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Jenison

Michigan Swimming

Central Zone

USA

Free 50 Y

37.78

02/07/2026

BB: 35.99 (+1.79s | 4.7%)

358

728

1,000+

Free 100 Y

1:21.44

02/07/2026

BB: 1:21.09 (+0.35s | 0.4%)

231

446

1,000+

50 Free

39.33

100 Free

42.11

1:21.44

100 Free

1:21.44

Free 200 Y

2:58.86

02/14/2026

A: 2:38.39 (+20.47s | 11.4%)

157

319

1,000+

50 Free

41.12

100 Free

46.12

1:27.24

100 Free

1:27.24

150 Free

47.66

2:14.90

200 Free

43.96

2:58.86

100 Free

1:31.62

Back 50 Y

46.76

02/14/2026

BB: 43.29 (+3.47s | 7.4%)

428

941

1,000+

Breast 50 Y

48.55

12/05/2025

A: 42.79 (+5.76s | 11.9%)

195

390

1,000+

Breast 100 Y

1:45.17

01/10/2026

A: 1:33.59 (+11.58s | 11.0%)

160

318

1,000+

50 Breast

50.10

100 Breast

55.07

1:45.17

100 Breast

1:45.17

IM 100 Y

1:37.68

01/10/2026

BB: 1:33.19 (+4.49s | 4.6%)

258

551

1,000+

50 IM

47.85

100 IM

49.83

1:37.68

100 IM

1:37.68

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Jenison	Michigan Swimming	Central Zone	USA

Above are the fastest times that Leah Mason has achieved in her swimming career. For each event, you can find Leah's best time, the corresponding time standard, as well as how much faster Leah needs to be to reach the next level. The last columns provide Leah rankings at the team and LSC levels. These rankings are based on the Leah'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	37.78	24.89 (+12.89s \| 34.1%)	23.89 (+13.89s \| 36.8%)	23.89 (+13.89s \| 36.8%)	23.29 (+14.49s \| 38.4%)	22.59 (+15.19s \| 40.2%)	22.79 (+14.99s \| 39.7%)	30.89 (+6.89s \| 18.2%)
Free 100 Y	1:21.44	53.99 (+27.45s \| 33.7%)	51.89 (+29.55s \| 36.3%)	51.89 (+29.55s \| 36.3%)	50.39 (+31.05s \| 38.1%)	49.29 (+32.15s \| 39.5%)	49.69 (+31.75s \| 39.0%)	1:08.19 (+13.25s \| 16.3%)
Free 200 Y	2:58.86	1:56.29 (+62.57s \| 35.0%)	1:52.89 (+65.97s \| 36.9%)	1:52.29 (+66.57s \| 37.2%)	1:49.09 (+69.77s \| 39.0%)	1:46.69 (+72.17s \| 40.3%)	1:47.39 (+71.47s \| 40.0%)	2:29.09 (+29.77s \| 16.6%)
Back 50 Y	46.76	N/A	N/A	N/A	N/A	N/A	N/A	36.49 (+10.27s \| 22.0%)
Breast 50 Y	48.55	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+8.16s \| 16.8%)
Breast 100 Y	1:45.17	1:07.59 (+37.58s \| 35.7%)	1:05.49 (+39.68s \| 37.7%)	1:05.49 (+39.68s \| 37.7%)	1:03.09 (+42.08s \| 40.0%)	1:01.79 (+43.38s \| 41.2%)	1:02.79 (+42.38s \| 40.3%)	1:27.99 (+17.18s \| 16.3%)
IM 100 Y	1:37.68	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+19.99s \| 20.5%)

Long Course Distance

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

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 WMSL Winter A Championship

02/14/2026

Jenison

50 Y Back

46.76

-0.40s (New PB)

BB: 43.29 (+3.47s | 7.4%)

50 Y Free

40.17

+2.39s

B: 39.79 (+0.38s | 0.9%)

200 Y Free

2:58.86

-4.28s (New PB)

A: 2:38.39 (+20.47s | 11.4%)

50 Free

41.12

100 Free

46.12

1:27.24

100 Free

1:27.24

150 Free

47.66

2:14.90

200 Free

43.96

2:58.86

100 Free

1:31.62

2026 Grand Rapids Open

02/07/2026

Kentwood

100 Y Breast

1:45.38

+0.21s

A: 1:33.59 (+11.79s | 11.2%)

50 Breast

50.80

100 Breast

54.58

1:45.38

100 Breast

1:45.38

50 Y Breast

49.18

+0.63s

BB: 48.69 (+0.49s | 1.0%)

50 Y Back

47.17

+0.01s

BB: 43.29 (+3.88s | 8.2%)

100 Y Free

1:21.44

-3.92s (New PB)

BB: 1:21.09 (+0.35s | 0.4%)

50 Free

39.33

100 Free

42.11

1:21.44

100 Free

1:21.44

50 Y Free

37.78

-0.31s (New PB)

BB: 35.99 (+1.79s | 4.7%)

2026 Zeeland Winter Classic

01/10/2026

Zeeland

100 Y IM

1:37.68

-5.00s (New PB)

BB: 1:33.19 (+4.49s | 4.6%)

50 IM

47.85

100 IM

49.83

1:37.68

100 IM

1:37.68

50 Y Breast

49.60

+1.05s

BB: 48.69 (+0.91s | 1.8%)

100 Y Breast

1:45.17

-0.38s (New PB)

A: 1:33.59 (+11.58s | 11.0%)

50 Breast

50.10

100 Breast

55.07

1:45.17

100 Breast

1:45.17

50 Y Back

48.53

+1.37s

BB: 43.29 (+5.24s | 10.8%)

2025 Holiday Cup

12/13/2025

Zeeland

100 Y Breast

1:45.55

-2.36s (New PB)

A: 1:33.59 (+11.96s | 11.3%)

50 Breast

51.90

100 Breast

53.65

1:45.55

100 Breast

1:45.55

100 Y IM

1:42.68

-0.34s (New PB)

BB: 1:33.19 (+9.49s | 9.2%)

50 IM

51.65

100 IM

51.03

1:42.68

100 IM

1:42.68

200 Y Free

3:06.58

+3.44s

BB: 3:00.59 (+5.99s | 3.2%)

50 Free

43.30

100 Free

47.79

1:31.09

100 Free

1:31.09

150 Free

49.63

2:20.72

200 Free

45.86

3:06.58

100 Free

1:35.49

50 Y Breast

50.97

+2.42s

BB: 48.69 (+2.28s | 4.5%)

50 Y Free

38.49

+0.40s

BB: 35.99 (+2.50s | 6.5%)

50 Y Back

47.53

+0.37s

BB: 43.29 (+4.24s | 8.9%)

EGRA 2025 Winter Washout

12/05/2025

Grand Rapids

200 Y Free

3:03.14

-6.89s (New PB)

BB: 3:00.59 (+2.55s | 1.4%)

50 Y Breast

48.55

-1.41s (New PB)

A: 42.79 (+5.76s | 11.9%)

50 Y Free

38.66

+0.57s

BB: 35.99 (+2.67s | 6.9%)

100 Y Free

1:27.33

+1.97s

BB: 1:21.09 (+6.24s | 7.1%)

50 Free

41.22

100 Free

46.11

1:27.33

100 Free

1:27.33

100 Y IM

1:43.02

-0.85s (New PB)

BB: 1:33.19 (+9.83s | 9.5%)

50 IM

51.78

100 IM

51.24

1:43.02

100 IM

1:43.02

2025 NKAT Fall Frenzy Day After Meet

11/23/2025

Grand Rapids

50 Y Breast

51.11

+1.15s

BB: 48.69 (+2.42s | 4.7%)

50 Y Free

40.61

+2.52s

B: 39.79 (+0.82s | 2.0%)

100 Y IM

1:43.87

BB: 1:33.19 (+10.68s | 10.3%)

50 IM

50.80

100 IM

53.07

1:43.87

100 IM

1:43.87

200 Y Free

3:10.03

BB: 3:00.59 (+9.44s | 5.0%)

50 Free

41.95

100 Free

48.57

1:30.52

100 Free

1:30.52

150 Free

50.40

2:20.92

200 Free

49.11

3:10.03

100 Free

1:39.51

2025 GR Gales Of November Open Invitational

11/15/2025

Kentwood

100 Y Free

1:25.36

BB: 1:21.09 (+4.27s | 5.0%)

50 Free

40.60

100 Free

44.76

1:25.36

100 Free

1:25.36

50 Y Back

47.16

BB: 43.29 (+3.87s | 8.2%)

100 Y Breast

1:47.91

BB: 1:46.89 (+1.02s | 0.9%)

50 Breast

52.11

100 Breast

55.80

1:47.91

100 Breast

1:47.91

50 Y Breast

49.96

BB: 48.69 (+1.27s | 2.5%)

50 Y Free

38.09

BB: 35.99 (+2.10s | 5.5%)

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.