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Brielle Cox

Age: 16 years old
Age Category: 15-16
Team: Castle Rock Swimming | Colorado Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Castle Rock Swimming Colorado Swimming Western Zone USA
Free 50 Y 25.37 16 02/14/2026 AA AAA: 24.99 (+0.38s | 1.5%) 1 54 378 1,000+
Free 100 Y 56.61 16 02/14/2026 A AA: 56.49 (+0.12s | 0.2%) 1 99 672 1,000+
50 Free
27.45
27.45
100 Free
29.16
56.61
100 Free
56.61
Free 200 Y 2:13.43 16 01/23/2026 BB A: 2:07.69 (+5.74s | 4.3%) 4 208 1,000+ 1,000+
50 Free
29.86
29.86
100 Free
34.25
1:04.11
100 Free
1:04.11
150 Free
35.83
1:39.94
200 Free
33.49
2:13.43
100 Free
1:09.32
Free 500 Y 6:01.21 16 01/23/2026 BB A: 5:43.69 (+17.52s | 4.9%) 4 170 1,000+ 1,000+
50 Free
30.91
30.91
100 Free
34.27
1:05.18
100 Free
1:05.18
150 Free
36.62
1:41.80
200 Free
36.16
2:17.96
100 Free
1:12.78
250 Free
37.39
2:55.35
300 Free
37.51
3:32.86
100 Free
1:14.90
350 Free
37.56
4:10.42
400 Free
37.14
4:47.56
100 Free
1:14.70
450 Free
37.31
5:24.87
500 Free
36.34
6:01.21
100 Free
1:13.65
Back 100 Y 1:14.41 16 12/19/2025 B BB: 1:09.39 (+5.02s | 6.7%) 6 285 1,000+ 1,000+
50 Back
36.81
36.81
100 Back
37.60
1:14.41
100 Back
1:14.41
Back 200 Y 2:45.41 16 01/23/2026 B: 2:42.19 (+3.22s | 1.9%) 5 230 1,000+ 1,000+
50 Back
38.81
38.81
100 Back
41.60
1:20.41
100 Back
1:20.41
150 Back
42.65
2:03.06
200 Back
42.35
2:45.41
100 Back
1:25.00
Breast 100 Y 1:30.64 15 02/15/2025 B: 1:25.89 (+4.75s | 5.2%) 8 345 1,000+ 1,000+
50 Breast
43.53
43.53
100 Breast
47.11
1:30.64
100 Breast
1:30.64
Breast 200 Y 3:15.32 15 02/15/2025 B: 3:05.99 (+9.33s | 4.8%) 4 228 1,000+ 1,000+
50 Breast
44.78
44.78
100 Breast
50.37
1:35.15
100 Breast
1:35.15
150 Breast
52.43
2:27.58
200 Breast
47.74
3:15.32
100 Breast
1:40.17
Fly 100 Y 1:02.00 16 02/14/2026 A AA: 1:01.09 (+0.91s | 1.5%) 1 66 426 1,000+
50 Fly
28.89
28.89
100 Fly
33.11
1:02.00
100 Fly
1:02.00
Fly 200 Y 2:29.18 16 02/20/2026 BB A: 2:22.09 (+7.09s | 4.8%) 2 55 475 1,000+
50 Fly
31.73
31.73
100 Fly
37.72
1:09.45
100 Fly
1:09.45
150 Fly
39.58
1:49.03
200 Fly
40.15
2:29.18
100 Fly
1:19.73

Long course distance

Event Time Age Date Standard Next Standard Castle Rock Swimming Colorado Swimming Western Zone USA
Free 50 M 30.46 15 04/25/2025 A AA: 29.59 (+0.87s | 2.9%) 2 109 755 1,000+
Free 100 M 1:05.47 15 04/25/2025 A AA: 1:04.39 (+1.08s | 1.6%) 1 92 631 1,000+
50 Free
31.56
31.56
100 Free
33.91
1:05.47
100 Free
1:05.47
Free 400 M 5:52.15 15 06/20/2025 B BB: 5:29.89 (+22.26s | 6.3%) 6 172 1,000+ 1,000+
Back 100 M 1:29.57 15 06/06/2025 B: 1:26.89 (+2.68s | 3.0%) 8 236 1,000+ 1,000+
50 Back
42.60
42.60
100 Back
46.97
1:29.57
100 Back
1:29.57
Back 200 M 3:19.69 15 06/06/2025 B: 3:06.79 (+12.90s | 6.5%) 6 190 1,000+ 1,000+
50 Back
47.24
47.24
100 Back
52.50
1:39.74
100 Back
1:39.74
150 Back
53.27
2:33.01
200 Back
46.68
3:19.69
100 Back
1:39.95
Fly 100 M 1:13.60 15 04/25/2025 BB A: 1:12.29 (+1.31s | 1.8%) 1 69 465 1,000+
50 Fly
35.32
35.32
100 Fly
38.28
1:13.60
100 Fly
1:13.60
Fly 200 M 2:57.82 15 06/06/2025 B BB: 2:54.39 (+3.43s | 1.9%) 2 35 323 792
50 Fly
37.46
37.46
100 Fly
43.94
1:21.40
100 Fly
1:21.40
150 Fly
49.43
2:10.83
200 Fly
46.99
2:57.82
100 Fly
1:36.42
IM 400 M 6:29.58 15 04/25/2025 B BB: 6:15.79 (+13.79s | 3.5%) 5 86 630 1,000+
50 Fly
38.95
38.95
100 Fly
47.34
1:26.29
100 Fly
1:26.29
150 Back
51.78
2:18.07
200 Back
51.54
3:09.61
100 Back
1:43.32
250 Breast
57.57
4:07.18
300 Breast
56.64
5:03.82
100 Breast
1:54.21
350 Free
44.57
5:48.39
400 Free
41.19
6:29.58
100 Free
1:25.76

Above are the fastest times that Brielle Cox has achieved in her swimming career. For each event, you can find Brielle's best time, the corresponding time standard, as well as how much faster Brielle needs to be to reach the next level. The last columns provide Brielle rankings at the team and LSC levels. These rankings are based on the Brielle's personal best, her current age category, and team; and are calculated from all the meets results.

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.