Cobie Weidenaar

Age: 16 years old
Age Category: 15-16
Team: Mesa Aquatics Club | Arizona Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Mesa Aquatics Club

Arizona Swimming

Western Zone

USA

Free 50 Y

25.69

03/27/2025

AAA: 24.99 (+0.70s | 2.7%)

543

1,000+

Free 100 Y

54.97

Analysis

02/14/2025

AAA: 53.99 (+0.98s | 1.8%)

401

1,000+

50 Free

26.37

100 Free

28.60

54.97

100 Free

54.97

Free 200 Y

1:59.53

Analysis

02/14/2025

AAA: 1:57.09 (+2.44s | 2.0%)

373

1,000+

50 Free

27.77

100 Free

30.40

58.17

100 Free

58.17

150 Free

30.69

1:28.86

200 Free

30.67

1:59.53

100 Free

1:01.36

Back 50 Y

28.31

03/27/2025

171

549

Back 100 Y

59.21

Analysis

02/14/2025

AAA: 58.69 (+0.52s | 0.9%)

141

537

50 Back

29.12

100 Back

30.09

59.21

100 Back

59.21

Back 200 Y

2:13.14

Analysis

03/27/2025

AAA: 2:07.49 (+5.65s | 4.2%)

269

936

50 Back

30.35

100 Back

33.68

1:04.03

100 Back

1:04.03

150 Back

34.93

1:38.96

200 Back

34.18

2:13.14

100 Back

1:09.11

IM 400 Y

4:46.94

Analysis

02/13/2026

AAA: 4:38.99 (+7.95s | 2.8%)

252

851

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Mesa Aquatics Club	Arizona Swimming	Western Zone	USA
Free 50 M	31.79		16	08/03/2022	BB	A: 30.89 (+0.90s \| 2.8%)	1	29	1,000+	1,000+

Free 100 M	1:09.24	Analysis	16	08/03/2022	BB	A: 1:07.19 (+2.05s \| 3.0%)	1	26	1,000+	1,000+

Back 50 M	35.25		16	08/03/2022			1	9	346	839

Back 100 M	1:17.57	Analysis	16	08/03/2022	BB	A: 1:14.49 (+3.08s \| 4.0%)	1	18	661	1,000+

Fly 50 M	35.18		16	08/03/2022			1	8	621	1,000+

Fly 100 M	1:23.57	Analysis	16	08/03/2022	B	BB: 1:18.29 (+5.28s \| 6.3%)	1	21	996	1,000+

IM 200 M	2:54.37	Analysis	16	08/03/2022	BB	A: 2:43.89 (+10.48s \| 6.0%)	1	17	965	1,000+

Above are the fastest times that Cobie Weidenaar has achieved in her swimming career. For each event, you can find Cobie's best time, the corresponding time standard, as well as how much faster Cobie needs to be to reach the next level. The last columns provide Cobie rankings at the team and LSC levels. These rankings are based on the Cobie'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
Free 50 Y	25.69	24.89 (+0.80s \| 3.1%)	23.89 (+1.80s \| 7.0%)	23.89 (+1.80s \| 7.0%)	23.29 (+2.40s \| 9.3%)	22.59 (+3.10s \| 12.1%)	22.79 (+2.90s \| 11.3%)
Free 100 Y	54.97	53.99 (+0.98s \| 1.8%)	51.89 (+3.08s \| 5.6%)	51.89 (+3.08s \| 5.6%)	50.39 (+4.58s \| 8.3%)	49.29 (+5.68s \| 10.3%)	49.69 (+5.28s \| 9.6%)
Free 200 Y	1:59.53	1:56.29 (+3.24s \| 2.7%)	1:52.89 (+6.64s \| 5.6%)	1:52.29 (+7.24s \| 6.1%)	1:49.09 (+10.44s \| 8.7%)	1:46.69 (+12.84s \| 10.7%)	1:47.39 (+12.14s \| 10.2%)
Back 50 Y	28.31	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	59.21	59.49	57.09 (+2.12s \| 3.6%)	57.09 (+2.12s \| 3.6%)	55.09 (+4.12s \| 7.0%)	53.89 (+5.32s \| 9.0%)	54.49 (+4.72s \| 8.0%)
Back 200 Y	2:13.14	2:08.59 (+4.55s \| 3.4%)	2:04.19 (+8.95s \| 6.7%)	2:04.19 (+8.95s \| 6.7%)	1:59.39 (+13.75s \| 10.3%)	1:56.59 (+16.55s \| 12.4%)	1:57.69 (+15.45s \| 11.6%)
IM 400 Y	4:46.94	4:39.09 (+7.85s \| 2.7%)	4:30.69 (+16.25s \| 5.7%)	4:30.69 (+16.25s \| 5.7%)	4:21.69 (+25.25s \| 8.8%)	4:13.69 (+33.25s \| 11.6%)	4:15.19 (+31.75s \| 11.1%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	31.79	28.69 (+3.10s \| 9.8%)	27.39 (+4.40s \| 13.8%)	27.39 (+4.40s \| 13.8%)	26.89 (+4.90s \| 15.4%)	26.29 (+5.50s \| 17.3%)	26.59 (+5.20s \| 16.4%)
Free 100 M	1:09.24	1:01.89 (+7.35s \| 10.6%)	59.29 (+9.95s \| 14.4%)	59.29 (+9.95s \| 14.4%)	58.19 (+11.05s \| 16.0%)	56.99 (+12.25s \| 17.7%)	57.59 (+11.65s \| 16.8%)
Back 50 M	35.25	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 M	1:17.57	1:09.49 (+8.08s \| 10.4%)	1:06.79 (+10.78s \| 13.9%)	1:06.79 (+10.78s \| 13.9%)	1:04.79 (+12.78s \| 16.5%)	1:03.69 (+13.88s \| 17.9%)	1:04.39 (+13.18s \| 17.0%)
Fly 50 M	35.18	N/A	N/A	N/A	N/A	N/A	N/A
Fly 100 M	1:23.57	1:07.19 (+16.38s \| 19.6%)	1:04.69 (+18.88s \| 22.6%)	1:04.69 (+18.88s \| 22.6%)	1:02.69 (+20.88s \| 25.0%)	1:01.69 (+21.88s \| 26.2%)	1:02.39 (+21.18s \| 25.3%)
IM 200 M	2:54.37	2:31.09 (+23.28s \| 13.4%)	2:26.19 (+28.18s \| 16.2%)	2:26.19 (+28.18s \| 16.2%)	2:22.09 (+32.28s \| 18.5%)	2:19.49 (+34.88s \| 20.0%)	2:20.99 (+33.38s \| 19.1%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

34th Annual Lost Dutchman Invitational

02/13/2026

Mesa

400 Y IM

4:46.94

AAA: 4:38.99 (+7.95s | 2.8%)

100 Y Free

55.13

+0.16s

AAA: 53.99 (+1.14s | 2.1%)

50 Free

27.08

100 Free

28.05

55.13

100 Free

55.13

200 Y Back

2:13.40

+0.26s

AA: 2:13.29 (+0.11s | 0.1%)

50 Back

31.13

100 Back

33.74

1:04.87

100 Back

1:04.87

150 Back

34.24

1:39.11

200 Back

34.29

2:13.40

100 Back

1:08.53

100 Y Back

1:00.64

+1.43s

AAA: 58.69 (+1.95s | 3.2%)

2025 Four Corners Speedo Sectionals Austin

03/27/2025

Austin

100 Y Free

55.02

+0.05s

AAA: 53.99 (+1.03s | 1.9%)

50 Free

26.63

100 Free

28.39

55.02

100 Free

55.02

50 Y Free

25.69

-2.76s (New PB)

AAA: 24.99 (+0.70s | 2.7%)

50 Y Back

28.31

-0.23s (New PB)

200 Y Back

2:13.14

AAA: 2:07.49 (+5.65s | 4.2%)

50 Back

30.35

100 Back

33.68

1:04.03

100 Back

1:04.03

150 Back

34.93

1:38.96

200 Back

34.18

2:13.14

100 Back

1:09.11

100 Y Back

1:00.73

+1.52s

AAA: 58.69 (+2.04s | 3.4%)

50 Back

29.59

100 Back

31.14

1:00.73

100 Back

1:00.73

33rd Annual Lost Dutchman Invitational

02/14/2025

Mesa

50 Y Free

28.45

A: 27.29 (+1.16s | 4.1%)

50 Y Back

28.54

200 Y Free

1:59.53

AAA: 1:57.09 (+2.44s | 2.0%)

50 Free

27.77

100 Free

30.40

58.17

100 Free

58.17

150 Free

30.69

1:28.86

200 Free

30.67

1:59.53

100 Free

1:01.36

100 Y Back

59.21

AAA: 58.69 (+0.52s | 0.9%)

50 Back

29.12

100 Back

30.09

59.21

100 Back

59.21

100 Y Free

54.97

AAA: 53.99 (+0.98s | 1.8%)

50 Free

26.37

100 Free

28.60

54.97

100 Free

54.97

Western Zones Age Group Championships

08/03/2022

Elk Grove

50 M Free

31.79

AAA: 30.49 (+1.30s | 4.1%)

200 M IM

2:54.37

AA: 2:52.99 (+1.38s | 0.8%)

100 M Back

1:17.57

AAA: 1:16.89 (+0.68s | 0.9%)

100 M Free

1:09.24

AAA: 1:07.19 (+2.05s | 3.0%)

50 M Back

35.25

AAA: 35.19 (+0.06s | 0.2%)

100 M Fly

1:23.57

A: 1:22.59 (+0.98s | 1.2%)

50 M Fly

35.18

AA: 34.29 (+0.89s | 2.5%)

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.

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	25.69	24.89 (+0.80s \| 3.1%)	23.89 (+1.80s \| 7.0%)	23.89 (+1.80s \| 7.0%)	23.29 (+2.40s \| 9.3%)	22.59 (+3.10s \| 12.1%)	22.79 (+2.90s \| 11.3%)
Free 100 Y	54.97	53.99 (+0.98s \| 1.8%)	51.89 (+3.08s \| 5.6%)	51.89 (+3.08s \| 5.6%)	50.39 (+4.58s \| 8.3%)	49.29 (+5.68s \| 10.3%)	49.69 (+5.28s \| 9.6%)
Free 200 Y	1:59.53	1:56.29 (+3.24s \| 2.7%)	1:52.89 (+6.64s \| 5.6%)	1:52.29 (+7.24s \| 6.1%)	1:49.09 (+10.44s \| 8.7%)	1:46.69 (+12.84s \| 10.7%)	1:47.39 (+12.14s \| 10.2%)
Back 50 Y	28.31	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	59.21	59.49	57.09 (+2.12s \| 3.6%)	57.09 (+2.12s \| 3.6%)	55.09 (+4.12s \| 7.0%)	53.89 (+5.32s \| 9.0%)	54.49 (+4.72s \| 8.0%)
Back 200 Y	2:13.14	2:08.59 (+4.55s \| 3.4%)	2:04.19 (+8.95s \| 6.7%)	2:04.19 (+8.95s \| 6.7%)	1:59.39 (+13.75s \| 10.3%)	1:56.59 (+16.55s \| 12.4%)	1:57.69 (+15.45s \| 11.6%)
IM 400 Y	4:46.94	4:39.09 (+7.85s \| 2.7%)	4:30.69 (+16.25s \| 5.7%)	4:30.69 (+16.25s \| 5.7%)	4:21.69 (+25.25s \| 8.8%)	4:13.69 (+33.25s \| 11.6%)	4:15.19 (+31.75s \| 11.1%)