Above are the fastest times that Sierra Cook has achieved in her
swimming career.
For each event, you can find Sierra's best time, the corresponding time
standard, as well as how much faster Sierra needs to be to reach the next level.
The last columns provide Sierra rankings at the team and LSC levels. These rankings are
based on the Sierra'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.
See how Sierra Cook is improving gradually by choosing the distance and
the stroke you are interested in.
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for more information about them.
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See all the meets Sierra Cook has participated in and her
achievement. The last event displayed is the most recent.
For each event, you can find the Sierra's time, the progress against
Sierra's best time, the corresponding time
standard, as well as how much faster Sierra needs to be to reach the next level.
Event
Time
Progress
Standard
Next Standard
Age
Heat
Lane
Ranking
2026 CO NCS Winter District Championships
03/06/2026
Fort Collins
100 Y IM
1:53.58
-4.28s
(New PB)
B: 1:44.29 (+9.29s | 8.2%)
9
25 IM
25.43
25.43
50 IM
28.84
54.27
50 IM
54.27
75 IM
32.36
1:26.63
100 IM
26.95
1:53.58
50 IM
59.31
50 Y Free
43.70
+0.32s
B: 39.79 (+3.91s | 8.9%)
9
25 Free
19.87
19.87
50 Free
23.83
43.70
50 Free
43.70
50 Y Back
50.03
-0.67s
(New PB)
B: 48.59 (+1.44s | 2.9%)
9
25 Back
24.18
24.18
50 Back
25.85
50.03
50 Back
50.03
100 Y Breast
2:10.69
B: 2:00.29 (+10.40s | 8.0%)
9
25 Breast
28.97
28.97
50 Breast
32.82
1:01.79
50 Breast
1:01.79
75 Breast
36.43
1:38.22
100 Breast
32.47
2:10.69
50 Breast
1:08.90
50 Y Breast
59.40
+1.67s
B: 54.59 (+4.81s | 8.1%)
9
25 Breast
28.10
28.10
50 Breast
31.30
59.40
50 Breast
59.40
2026 CO CUDA Classic
01/16/2026
Thornton
50 Y Back
50.70
-2.52s
(New PB)
B: 48.59 (+2.11s | 4.2%)
9
5
9
3
100 Y Back
1:50.66
B: 1:45.79 (+4.87s | 4.4%)
9
4
2
4
50 Back
51.83
51.83
100 Back
58.83
1:50.66
100 Back
1:50.66
100 Y IM
1:57.86
B: 1:44.29 (+13.57s | 11.5%)
9
3
6
4
50 IM
55.18
55.18
100 IM
1:02.68
1:57.86
100 IM
1:57.86
50 Y Free
43.38
B: 39.79 (+3.59s | 8.3%)
9
6
9
50 Y Breast
57.73
-17.77s
(New PB)
B: 54.59 (+3.14s | 5.4%)
9
3
9
1
2025 CO NCS Winter District Championships
03/07/2025
Fort Colins
50 Y Back
53.22
-4.12s
(New PB)
B: 48.59 (+4.63s | 8.7%)
8
50 Y Breast
1:15.50
B: 54.59 (+20.91s | 27.7%)
8
2025 CO CUDA Classic
01/17/2025
Thornton
50 Y Back
57.34
-0.81s
(New PB)
B: 48.59 (+8.75s | 15.3%)
8
4
8
6
25 Y Back
24.92
+0.13s
8
5
1
25 Y Breast
33.40
8
1
3
5
25 Y Free
20.67
-0.93s
(New PB)
8
4
7
3
2024 CO LOVE Lightning Bolt Duel Invite #2
11/16/2024
Loveland
25 Y Back
28.01
+3.22s
8
3
7
1
25 Y Free
24.97
+3.37s
8
3
2
5
50 Y Back
58.15
B: 48.59 (+9.56s | 16.4%)
8
1
4
8
2024 CO Eaton Fall Fest
11/01/2024
Eaton
25 Y Free
21.60
-2.09s
(New PB)
8
3
2
2
25 Y Back
26.86
+2.07s
8
3
4
9
2024 CO Lightning Bolt Duel Invite
09/21/2024
Loveland
25 Y Back
24.79
8
1
5
5
25 Y Free
23.69
8
1
4
8
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.