Margaret Kieffer

Age: 16 years old
Age Category: 15-16
Team: Lancaster Aquatic Club | Middle Atlantic Swimming

Personal Best

Short course distance

Event	Time		Age	Date	Standard	Next Standard	Lancaster Aquatic Club	Middle Atlantic Swimming	Eastern Zone	USA

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Lancaster Aquatic Club

Middle Atlantic Swimming

Eastern Zone

USA

Free 50 M

29.90

15

01/03/2026

A

AA: 29.59 (+0.31s | 1.0%)

Rankings

Free 100 M

1:06.22

Analysis

15

05/15/2026

A

AA: 1:04.39 (+1.83s | 2.8%)

Rankings

50 Free

31.91

100 Free

34.31

1:06.22

100 Free

1:06.22

Free 200 M

2:27.78

Analysis

15

05/15/2026

BB

A: 2:25.09 (+2.69s | 1.8%)

Rankings

50 Free

33.18

100 Free

38.58

1:11.76

100 Free

1:11.76

150 Free

37.62

1:49.38

200 Free

38.40

2:27.78

100 Free

1:16.02

Free 400 M

5:21.32

Analysis

15

05/15/2026

BB

A: 5:04.49 (+16.83s | 5.2%)

Rankings

Back 100 M

1:17.14

Analysis

15

05/15/2026

BB

A: 1:14.49 (+2.65s | 3.4%)

Rankings

50 Back

38.13

100 Back

39.01

1:17.14

100 Back

1:17.14

Back 200 M

2:50.28

Analysis

15

05/15/2026

BB

A: 2:40.09 (+10.19s | 6.0%)

Rankings

50 Back

40.55

100 Back

42.42

1:22.97

100 Back

1:22.97

150 Back

44.85

2:07.82

200 Back

42.46

2:50.28

100 Back

1:27.31

Breast 100 M

1:34.17

Analysis

15

01/03/2026

B

BB: 1:31.59 (+2.58s | 2.7%)

Rankings

50 Breast

46.25

100 Breast

47.92

1:34.17

100 Breast

1:34.17

Fly 100 M

1:12.01

Analysis

15

05/15/2026

A

AA: 1:09.29 (+2.72s | 3.8%)

Rankings

50 Fly

33.96

100 Fly

38.05

1:12.01

100 Fly

1:12.01

IM 200 M

2:48.62

Analysis

15

05/15/2026

BB

A: 2:43.89 (+4.73s | 2.8%)

Rankings

50 Fly

34.74

100 Back

42.62

1:17.36

100 IM

1:17.36

150 Breast

53.13

2:10.49

200 Free

38.13

2:48.62

100 IM

1:31.26

Above are the fastest times that Margaret Kieffer 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

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	29.90	28.69 (+1.21s \| 4.0%) 29.49 (+0.41s \| 1.4%)	27.39 (+2.51s \| 8.4%)	27.39 (+2.51s \| 8.4%)	26.89 (+3.01s \| 10.1%)	26.19 (+3.71s \| 12.4%)	26.59 (+3.31s \| 11.1%)	25.69 (+4.21s \| 14.1%)
Free 100 M	1:06.22	1:01.89 (+4.33s \| 6.5%) 1:03.69 (+2.53s \| 3.8%)	59.29 (+6.93s \| 10.5%)	59.29 (+6.93s \| 10.5%)	58.19 (+8.03s \| 12.1%)	56.79 (+9.43s \| 14.2%)	57.59 (+8.63s \| 13.0%)	55.79 (+10.43s \| 15.8%)
Free 200 M	2:27.78	2:12.99 (+14.79s \| 10.0%) 2:16.69 (+11.09s \| 7.5%)	2:07.79 (+19.99s \| 13.5%)	2:07.79 (+19.99s \| 13.5%)	2:04.99 (+22.79s \| 15.4%)	2:03.09 (+24.69s \| 16.7%)	2:04.29 (+23.49s \| 15.9%)	2:00.79 (+26.99s \| 18.3%)
Free 400 M	5:21.32	4:39.69 (+41.63s \| 13.0%) 4:47.59 (+33.73s \| 10.5%)	4:28.79 (+52.53s \| 16.3%)	4:28.79 (+52.53s \| 16.3%)	4:26.69 (+54.63s \| 17.0%)	4:20.29 (+61.03s \| 19.0%)	4:21.39 (+59.93s \| 18.7%)	4:15.49 (+65.83s \| 20.5%)
Back 100 M	1:17.14	1:09.49 (+7.65s \| 9.9%) 1:11.39 (+5.75s \| 7.5%)	1:06.79 (+10.35s \| 13.4%)	1:06.79 (+10.35s \| 13.4%)	1:04.79 (+12.35s \| 16.0%)	1:03.29 (+13.85s \| 18.0%)	1:04.39 (+12.75s \| 16.5%)	1:01.79 (+15.35s \| 19.9%)
Back 200 M	2:50.28	2:29.19 (+21.09s \| 12.4%) 2:33.39 (+16.89s \| 9.9%)	2:23.99 (+26.29s \| 15.4%)	2:23.99 (+26.29s \| 15.4%)	2:19.59 (+30.69s \| 18.0%)	2:16.99 (+33.29s \| 19.6%)	2:18.29 (+31.99s \| 18.8%)	2:13.59 (+36.69s \| 21.5%)
Breast 100 M	1:34.17	1:18.79 (+15.38s \| 16.3%) 1:20.99 (+13.18s \| 14.0%)	1:15.99 (+18.18s \| 19.3%)	1:15.99 (+18.18s \| 19.3%)	1:13.79 (+20.38s \| 21.6%)	1:11.79 (+22.38s \| 23.8%)	1:13.29 (+20.88s \| 22.2%)	1:10.19 (+23.98s \| 25.5%)
Fly 100 M	1:12.01	1:07.19 (+4.82s \| 6.7%) 1:09.09 (+2.92s \| 4.1%)	1:04.69 (+7.32s \| 10.2%)	1:04.69 (+7.32s \| 10.2%)	1:02.69 (+9.32s \| 12.9%)	1:01.39 (+10.62s \| 14.7%)	1:02.39 (+9.62s \| 13.4%)	59.99 (+12.02s \| 16.7%)
IM 200 M	2:48.62	2:31.09 (+17.53s \| 10.4%) 2:35.39 (+13.23s \| 7.8%)	2:26.19 (+22.43s \| 13.3%)	2:26.19 (+22.43s \| 13.3%)	2:22.09 (+26.53s \| 15.7%)	2:19.09 (+29.53s \| 17.5%)	2:20.99 (+27.63s \| 16.4%)	2:16.09 (+32.53s \| 19.3%)

Progression

See how Margaret Kieffer 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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View this profile

Meets

See all the meets Margaret Kieffer 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 NCAC Meet On The Hill

05/15/2026

Chapel Hill

100 M Fly

1:12.01

-3.95s (New PB)

A

AA: 1:09.29 (+2.72s | 3.8%)

15

6

7

4

50 Fly

33.96

100 Fly

38.05

1:12.01

100 Fly

1:12.01

200 M Back

2:50.28

BB

A: 2:40.09 (+10.19s | 6.0%)

15

4

1

3

50 Back

40.55

100 Back

42.42

1:22.97

100 Back

1:22.97

150 Back

44.85

2:07.82

200 Back

42.46

2:50.28

100 Back

1:27.31

200 M Free

2:27.78

BB

A: 2:25.09 (+2.69s | 1.8%)

15

7

5

9

50 Free

33.18

100 Free

38.58

1:11.76

100 Free

1:11.76

150 Free

37.62

1:49.38

200 Free

38.40

2:27.78

100 Free

1:16.02

400 M Free

5:21.32

BB

A: 5:04.49 (+16.83s | 5.2%)

15

6

2

100 M Back

1:17.14

-3.18s (New PB)

BB

A: 1:14.49 (+2.65s | 3.4%)

15

6

4

9

50 Back

38.13

100 Back

39.01

1:17.14

100 Back

1:17.14

100 M Free

1:06.22

-0.28s (New PB)

A

AA: 1:04.39 (+1.83s | 2.8%)

15

8

4

7

50 Free

31.91

100 Free

34.31

1:06.22

100 Free

1:06.22

200 M IM

2:48.62

-5.59s (New PB)

BB

A: 2:43.89 (+4.73s | 2.8%)

15

2

3

8

50 Fly

34.74

100 Back

42.62

1:17.36

100 IM

1:17.36

150 Breast

53.13

2:10.49

200 Free

38.13

2:48.62

100 IM

1:31.26

50 M Free

29.92

+0.02s

A

AA: 29.59 (+0.33s | 1.1%)

15

9

6

2026 AAC LC Invite

01/03/2026

Arlington

200 M IM

2:54.21

BB

A: 2:43.89 (+10.32s | 5.9%)

15

6

8

2

50 Fly

36.63

100 Back

43.53

1:20.16

100 IM

1:20.16

150 Breast

56.16

2:16.32

200 Free

37.88

2:54.21

100 IM

1:34.05

100 M Free

1:06.50

A

AA: 1:04.39 (+2.11s | 3.2%)

15

6

2

5

50 Free

32.00

100 Free

34.50

1:06.50

100 Free

1:06.50

100 M Fly

1:15.96

BB

A: 1:12.29 (+3.67s | 4.8%)

15

4

2

3

50 Fly

35.03

100 Fly

40.93

1:15.96

100 Fly

1:15.96

50 M Free

29.90

A

AA: 29.59 (+0.31s | 1.0%)

15

6

1

100 M Back

1:20.32

BB

A: 1:14.49 (+5.83s | 7.3%)

15

3

5

100 M Breast

1:34.17

B

BB: 1:31.59 (+2.58s | 2.7%)

15

5

6

8

50 Breast

46.25

100 Breast

47.92

1:34.17

100 Breast

1:34.17

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	U.S. Olympic Team Trials
Free 50 M	29.90	28.69 (+1.21s \| 4.0%) 29.49 (+0.41s \| 1.4%)	27.39 (+2.51s \| 8.4%)	27.39 (+2.51s \| 8.4%)	26.89 (+3.01s \| 10.1%)	26.19 (+3.71s \| 12.4%)	26.59 (+3.31s \| 11.1%)	25.69 (+4.21s \| 14.1%)
Free 100 M	1:06.22	1:01.89 (+4.33s \| 6.5%) 1:03.69 (+2.53s \| 3.8%)	59.29 (+6.93s \| 10.5%)	59.29 (+6.93s \| 10.5%)	58.19 (+8.03s \| 12.1%)	56.79 (+9.43s \| 14.2%)	57.59 (+8.63s \| 13.0%)	55.79 (+10.43s \| 15.8%)
Free 200 M	2:27.78	2:12.99 (+14.79s \| 10.0%) 2:16.69 (+11.09s \| 7.5%)	2:07.79 (+19.99s \| 13.5%)	2:07.79 (+19.99s \| 13.5%)	2:04.99 (+22.79s \| 15.4%)	2:03.09 (+24.69s \| 16.7%)	2:04.29 (+23.49s \| 15.9%)	2:00.79 (+26.99s \| 18.3%)
Free 400 M	5:21.32	4:39.69 (+41.63s \| 13.0%) 4:47.59 (+33.73s \| 10.5%)	4:28.79 (+52.53s \| 16.3%)	4:28.79 (+52.53s \| 16.3%)	4:26.69 (+54.63s \| 17.0%)	4:20.29 (+61.03s \| 19.0%)	4:21.39 (+59.93s \| 18.7%)	4:15.49 (+65.83s \| 20.5%)
Back 100 M	1:17.14	1:09.49 (+7.65s \| 9.9%) 1:11.39 (+5.75s \| 7.5%)	1:06.79 (+10.35s \| 13.4%)	1:06.79 (+10.35s \| 13.4%)	1:04.79 (+12.35s \| 16.0%)	1:03.29 (+13.85s \| 18.0%)	1:04.39 (+12.75s \| 16.5%)	1:01.79 (+15.35s \| 19.9%)
Back 200 M	2:50.28	2:29.19 (+21.09s \| 12.4%) 2:33.39 (+16.89s \| 9.9%)	2:23.99 (+26.29s \| 15.4%)	2:23.99 (+26.29s \| 15.4%)	2:19.59 (+30.69s \| 18.0%)	2:16.99 (+33.29s \| 19.6%)	2:18.29 (+31.99s \| 18.8%)	2:13.59 (+36.69s \| 21.5%)
Breast 100 M	1:34.17	1:18.79 (+15.38s \| 16.3%) 1:20.99 (+13.18s \| 14.0%)	1:15.99 (+18.18s \| 19.3%)	1:15.99 (+18.18s \| 19.3%)	1:13.79 (+20.38s \| 21.6%)	1:11.79 (+22.38s \| 23.8%)	1:13.29 (+20.88s \| 22.2%)	1:10.19 (+23.98s \| 25.5%)
Fly 100 M	1:12.01	1:07.19 (+4.82s \| 6.7%) 1:09.09 (+2.92s \| 4.1%)	1:04.69 (+7.32s \| 10.2%)	1:04.69 (+7.32s \| 10.2%)	1:02.69 (+9.32s \| 12.9%)	1:01.39 (+10.62s \| 14.7%)	1:02.39 (+9.62s \| 13.4%)	59.99 (+12.02s \| 16.7%)
IM 200 M	2:48.62	2:31.09 (+17.53s \| 10.4%) 2:35.39 (+13.23s \| 7.8%)	2:26.19 (+22.43s \| 13.3%)	2:26.19 (+22.43s \| 13.3%)	2:22.09 (+26.53s \| 15.7%)	2:19.09 (+29.53s \| 17.5%)	2:20.99 (+27.63s \| 16.4%)	2:16.09 (+32.53s \| 19.3%)