Margaret MacKenzie

Age: 11 years old
Age Category: 11-12
Team: Atlantis Swimming | Michigan Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Atlantis Swimming

Michigan Swimming

Central Zone

USA

Free 50 Y

35.58

10

02/06/2026

B: 33.99 (+1.59s | 4.5%)

Rankings

Free 100 Y

1:23.56

Analysis

10

10/17/2025

B: 1:14.69 (+8.87s | 10.6%)

Rankings

50 Free

37.53

100 Free

46.03

1:23.56

100 Free

1:23.56

Free 200 Y

3:08.55

Analysis

10

11/08/2025

B: 2:42.59 (+25.96s | 13.8%)

Rankings

50 Free

40.68

100 Free

50.63

1:31.31

100 Free

1:31.31

150 Free

52.48

2:23.79

200 Free

44.76

3:08.55

100 Free

1:37.24

Back 100 Y

1:31.05

Analysis

10

02/01/2026

B: 1:26.59 (+4.46s | 4.9%)

Rankings

50 Back

43.19

100 Back

47.86

1:31.05

100 Back

1:31.05

Breast 50 Y

46.30

10

10/17/2025

B: 43.99 (+2.31s | 5.0%)

Rankings

Breast 100 Y

1:40.62

Analysis

10

11/08/2025

B: 1:36.49 (+4.13s | 4.1%)

Rankings

50 Breast

48.62

100 Breast

52.00

1:40.62

100 Breast

1:40.62

Fly 50 Y

41.08

10

02/01/2026

B: 36.89 (+4.19s | 10.2%)

Rankings

IM 100 Y

1:33.82

Analysis

10

02/06/2026

B: 1:25.19 (+8.63s | 9.2%)

Rankings

50 IM

45.34

100 IM

48.48

1:33.82

100 IM

1:33.82

IM 200 Y

3:37.15

Analysis

10

10/17/2025

B: 3:03.89 (+33.26s | 15.3%)

Rankings

50 Fly

46.01

100 Back

58.48

1:44.49

100 IM

1:44.49

200 Free

1:52.66

3:37.15

100 IM

1:52.66

Long course distance

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

Above are the fastest times that Margaret MacKenzie has achieved in her swimming career. For each event, you can find Margaret's best time, the corresponding time standard, as well as how much faster Margaret needs to be to reach the next level. The last columns provide Margaret rankings at the team and LSC levels. These rankings are based on the Margaret'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	35.58	24.89 (+10.69s \| 30.0%) 25.69 (+9.89s \| 27.8%)	23.89 (+11.69s \| 32.9%)	23.89 (+11.69s \| 32.9%)	23.29 (+12.29s \| 34.5%)	22.49 (+13.09s \| 36.8%)	22.79 (+12.79s \| 35.9%)
Free 100 Y	1:23.56	53.99 (+29.57s \| 35.4%) 55.49 (+28.07s \| 33.6%)	51.89 (+31.67s \| 37.9%)	51.89 (+31.67s \| 37.9%)	50.39 (+33.17s \| 39.7%)	48.99 (+34.57s \| 41.4%)	49.69 (+33.87s \| 40.5%)
Free 200 Y	3:08.55	1:56.29 (+72.26s \| 38.3%) 1:59.59 (+68.96s \| 36.6%)	1:52.89 (+75.66s \| 40.1%)	1:52.29 (+76.26s \| 40.4%)	1:49.09 (+79.46s \| 42.1%)	1:45.99 (+82.56s \| 43.8%)	1:47.39 (+81.16s \| 43.0%)
Back 100 Y	1:31.05	59.49 (+31.56s \| 34.7%) 1:01.19 (+29.86s \| 32.8%)	57.09 (+33.96s \| 37.3%)	57.09 (+33.96s \| 37.3%)	55.09 (+35.96s \| 39.5%)	52.99 (+38.06s \| 41.8%)	54.49 (+36.56s \| 40.2%)
Breast 50 Y	46.30	30.99 (+15.31s \| 33.1%) 31.89 (+14.41s \| 31.1%)	N/A	N/A	N/A	27.99 (+18.31s \| 39.5%)	N/A
Breast 100 Y	1:40.62	1:07.59 (+33.03s \| 32.8%) 1:09.49 (+31.13s \| 30.9%)	1:05.49 (+35.13s \| 34.9%)	1:05.49 (+35.13s \| 34.9%)	1:03.09 (+37.53s \| 37.3%)	1:00.79 (+39.83s \| 39.6%)	1:02.79 (+37.83s \| 37.6%)
Fly 50 Y	41.08	27.09 (+13.99s \| 34.1%) 27.69 (+13.39s \| 32.6%)	N/A	N/A	N/A	24.09 (+16.99s \| 41.4%)	N/A
IM 100 Y	1:33.82	N/A	N/A	N/A	N/A	N/A	N/A
IM 200 Y	3:37.15	2:10.49 (+86.66s \| 39.9%) 2:14.19 (+82.96s \| 38.2%)	2:06.39 (+90.76s \| 41.8%)	2:06.39 (+90.76s \| 41.8%)	2:02.19 (+94.96s \| 43.7%)	1:58.39 (+98.76s \| 45.5%)	2:00.59 (+96.56s \| 44.5%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	U.S. Olympic Team Trials

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 Michigan Open

02/06/2026

Rochester

100 Y IM

1:33.82

-2.23s (New PB)

B

BB: 1:33.19 (+0.63s | 0.7%)

10

3

5

6

50 IM

45.34

100 IM

48.48

1:33.82

100 IM

1:33.82

50 Y Free

35.58

-2.92s (New PB)

BB

A: 32.09 (+3.49s | 9.8%)

10

4

7

1

February Closed Invite

02/01/2026

Beverly Hills

50 Y Breast

46.75

+0.45s

BB

A: 42.79 (+3.96s | 8.5%)

10

2

6

5

100 Y Back

1:31.05

-1.75s (New PB)

BB

A: 1:22.29 (+8.76s | 9.6%)

10

2

1

5

50 Back

43.19

100 Back

47.86

1:31.05

100 Back

1:31.05

50 Y Fly

41.08

BB

A: 36.99 (+4.09s | 10.0%)

10

1

3

Atlantis 2025 Fall Quack Tack Ular

11/08/2025

Birmingham

200 Y Free

3:08.55

B

BB: 3:00.59 (+7.96s | 4.2%)

10

2

6

8

50 Free

40.68

100 Free

50.63

1:31.31

100 Free

1:31.31

150 Free

52.48

2:23.79

200 Free

44.76

3:08.55

100 Free

1:37.24

100 Y Back

1:32.80

BB

A: 1:22.29 (+10.51s | 11.3%)

10

1

2

50 Back

44.90

100 Back

47.90

1:32.80

100 Back

1:32.80

100 Y Breast

1:40.62

-1.70s (New PB)

BB

A: 1:33.59 (+7.03s | 7.0%)

10

2

8

5

50 Breast

48.62

100 Breast

52.00

1:40.62

100 Breast

1:40.62

50 Y Breast

47.16

+0.86s

BB

A: 42.79 (+4.37s | 9.3%)

10

2025 OLY Fall Classic

10/17/2025

Rochester

50 Y Free

38.50

B

BB: 35.99 (+2.51s | 6.5%)

10

2

100 Y IM

1:36.05

B

BB: 1:33.19 (+2.86s | 3.0%)

10

3

7

5

50 IM

45.06

100 IM

50.99

1:36.05

100 IM

1:36.05

100 Y Free

1:23.56

B

BB: 1:21.09 (+2.47s | 3.0%)

10

3

5

4

50 Free

37.53

100 Free

46.03

1:23.56

100 Free

1:23.56

50 Y Breast

46.30

BB

A: 42.79 (+3.51s | 7.6%)

10

2

7

8

200 Y IM

3:37.15

B

BB: 3:18.79 (+18.36s | 8.5%)

10

1

3

50 Fly

46.01

100 Back

58.48

1:44.49

100 IM

1:44.49

200 Free

1:52.66

3:37.15

100 IM

1:52.66

100 Y Breast

1:42.32

BB

A: 1:33.59 (+8.73s | 8.5%)

10

1

9

8

50 Breast

48.70

100 Breast

53.62

1:42.32

100 Breast

1:42.32