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Oliver Koske

Age: 15 years old
Age Category: 15-16
Team: SlipStream Aquatics | Colorado Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard SlipStream Aquatics Colorado Swimming Western Zone USA
Free 50 Y 23.55 15 02/27/2026 A AA: 23.19 (+0.36s | 1.5%) 3 82 707 1,000+
Free 100 Y 50.57 Analysis 15 02/27/2026 AA AAA: 48.79 (+1.78s | 3.5%) 3 56 556 1,000+
Free 200 Y 1:52.48 Analysis 15 03/21/2026 A AA: 1:51.79 (+0.69s | 0.6%) 5 67 635 1,000+
50 Free
25.69
25.69
100 Free
28.72
54.41
100 Free
54.41
150 Free
29.29
1:23.70
200 Free
28.78
1:52.48
100 Free
58.07
Free 500 Y 4:48.87 Analysis 15 05/08/2026 AAA AAAA: 4:36.29 (+12.58s | 4.4%) 1 9 162 509
50 Free
26.55
26.55
100 Free
29.50
56.05
100 Free
56.05
150 Free
29.25
1:25.30
200 Free
29.10
1:54.40
100 Free
58.35
250 Free
29.37
2:23.77
300 Free
29.48
2:53.25
100 Free
58.85
350 Free
29.14
3:22.39
400 Free
29.18
3:51.57
100 Free
58.32
450 Free
29.25
4:20.82
500 Free
28.05
4:48.87
100 Free
57.30
Free 1000 Y 10:51.05 Analysis 15 01/23/2026 A AA: 10:33.99 (+17.06s | 2.6%) 2 27 344 1,000+
50 Free
27.06
27.06
100 Free
30.57
57.63
100 Free
57.63
150 Free
31.61
1:29.24
200 Free
32.06
2:01.30
100 Free
1:03.67
250 Free
32.40
2:33.70
300 Free
32.71
3:06.41
100 Free
1:05.11
350 Free
31.68
3:38.09
400 Free
32.28
4:10.37
100 Free
1:03.96
450 Free
33.11
4:43.48
500 Free
32.73
5:16.21
100 Free
1:05.84
550 Free
33.86
5:50.08
600 Free
34.01
6:24.09
100 Free
1:07.87
650 Free
33.11
6:57.20
700 Free
33.32
7:30.52
100 Free
1:06.43
750 Free
34.06
8:04.58
800 Free
33.53
8:38.11
100 Free
1:07.59
850 Free
33.69
9:11.80
900 Free
33.53
9:45.33
100 Free
1:07.22
950 Free
33.48
10:18.81
1000 Free
32.24
10:51.05
100 Free
1:05.72
Free 1650 Y 17:37.22 Analysis 15 12/12/2025 A AA: 17:36.89 (+0.33s | 0.0%) 2 33 252 712
50 Free
27.50
27.50
50 Free
27.50
100 Free
31.41
58.91
50 Free
31.41
150 Free
32.19
1:31.10
50 Free
32.19
200 Free
31.97
2:03.07
50 Free
31.97
250 Free
31.67
2:34.74
50 Free
31.67
300 Free
32.27
3:07.01
50 Free
32.27
350 Free
32.11
3:39.12
50 Free
32.11
400 Free
31.52
4:10.64
50 Free
31.52
450 Free
31.49
4:42.13
50 Free
31.49
500 Free
31.33
5:13.46
50 Free
31.33
550 Free
31.99
5:45.45
50 Free
31.99
600 Free
31.90
6:17.35
50 Free
31.90
650 Free
32.00
6:49.35
50 Free
32.00
700 Free
32.19
7:21.54
50 Free
32.19
750 Free
32.46
7:54.00
50 Free
32.46
800 Free
31.60
8:25.60
50 Free
31.60
850 Free
31.92
8:57.52
50 Free
31.92
900 Free
32.32
9:29.84
50 Free
32.32
950 Free
31.09
10:00.93
50 Free
31.09
1000 Free
32.20
10:33.13
50 Free
32.20
1050 Free
32.23
11:05.36
50 Free
32.23
1100 Free
32.28
11:37.64
50 Free
32.28
1150 Free
32.69
12:10.33
50 Free
32.69
1200 Free
32.24
12:42.57
50 Free
32.24
1250 Free
32.79
13:15.36
50 Free
32.79
1300 Free
33.04
13:48.40
50 Free
33.04
1350 Free
32.68
14:21.08
50 Free
32.68
1400 Free
32.51
14:53.59
50 Free
32.51
1450 Free
32.63
15:26.22
50 Free
32.63
1500 Free
33.57
15:59.79
50 Free
33.57
1550 Free
33.15
16:32.94
50 Free
33.15
1600 Free
32.35
17:05.29
50 Free
32.35
1650 Free
31.93
17:37.22
50 Free
31.93
Back 100 Y 58.89 Analysis 15 02/27/2026 BB A: 57.89 (+1.00s | 1.7%) 3 81 628 1,000+
50 Back
28.32
28.32
100 Back
30.57
58.89
100 Back
58.89
Back 200 Y 2:18.23 Analysis 15 01/23/2026 B BB: 2:17.09 (+1.14s | 0.8%) 4 135 983 1,000+
50 Back
32.40
32.40
100 Back
34.62
1:07.02
100 Back
1:07.02
150 Back
36.35
1:43.37
200 Back
34.86
2:18.23
100 Back
1:11.21
Breast 100 Y 1:23.74 Analysis 15 03/14/2025 B: 1:16.89 (+6.85s | 8.2%) 11 310 1,000+ 1,000+
50 Breast
39.59
39.59
100 Breast
44.15
1:23.74
100 Breast
1:23.74
Breast 200 Y 3:10.90 Analysis 15 12/12/2025 B: 2:47.09 (+23.81s | 12.5%) 7 238 1,000+ 1,000+
50 Breast
41.92
41.92
50 Breast
41.92
100 Breast
48.24
1:30.16
50 Breast
48.24
150 Breast
51.09
2:21.25
50 Breast
51.09
200 Breast
49.65
3:10.90
50 Breast
49.65
Fly 100 Y 1:00.28 Analysis 15 01/09/2026 BB A: 57.59 (+2.69s | 4.5%) 4 124 1,000+ 1,000+
50 Fly
26.90
26.90
100 Fly
33.38
1:00.28
100 Fly
1:00.28
Fly 200 Y 2:21.29 Analysis 15 02/28/2025 B BB: 2:19.49 (+1.80s | 1.3%) 1 89 736 1,000+
50 Fly
32.59
32.59
100 Fly
35.35
1:07.94
100 Fly
1:07.94
150 Fly
37.23
1:45.17
200 Fly
36.12
2:21.29
100 Fly
1:13.35
IM 200 Y 2:22.71 Analysis 15 12/12/2025 B BB: 2:20.19 (+2.52s | 1.8%) 5 200 1,000+ 1,000+
50 Back
27.97
27.97
50 IM
27.97
100 Free
35.94
1:03.91
50 IM
35.94
150 Free
47.82
1:51.73
50 IM
47.82
200 Free
30.98
2:22.71
50 IM
30.98
IM 400 Y 5:32.91 Analysis 15 01/24/2025 B: 5:22.19 (+10.72s | 3.2%) 3 157 1,000+ 1,000+
50 Fly
32.27
32.27
100 Fly
40.74
1:13.01
100 Fly
1:13.01
150 Back
41.59
1:54.60
200 Back
42.05
2:36.65
100 Back
1:23.64
250 Breast
53.65
3:30.30
300 Breast
54.82
4:25.12
100 Breast
1:48.47
350 Free
34.18
4:59.30
400 Free
33.61
5:32.91
100 Free
1:07.79

Long course distance

Event Time Age Date Standard Next Standard SlipStream Aquatics Colorado Swimming Western Zone USA
Free 50 M 26.85 15 04/24/2026 AA AAA: 25.89 (+0.96s | 3.6%) 1 49 451 1,000+
Free 100 M 1:01.80 Analysis 15 07/11/2025 BB A: 1:01.49 (+0.31s | 0.5%) 2 117 1,000+ 1,000+
50 Free
30.03
30.03
100 Free
31.77
1:01.80
100 Free
1:01.80
Free 200 M 2:08.73 Analysis 15 05/15/2026 A AA: 2:08.69 (+0.04s | 0.0%) 2 35 387 902
50 Free
30.25
30.25
100 Free
33.14
1:03.39
100 Free
1:03.39
150 Free
33.68
1:37.07
200 Free
31.66
2:08.73
100 Free
1:05.34
Free 400 M 4:36.20 Analysis 15 04/24/2026 A AA: 4:34.39 (+1.81s | 0.7%) 1 32 348 802
50 Free
30.75
30.75
100 Free
34.90
1:05.65
100 Free
1:05.65
150 Free
35.49
1:41.14
200 Free
35.49
2:16.63
100 Free
1:10.98
250 Free
34.86
2:51.49
300 Free
35.78
3:27.27
100 Free
1:10.64
350 Free
35.06
4:02.33
400 Free
33.87
4:36.20
100 Free
1:08.93
Free 800 M 9:28.41 Analysis 15 04/24/2026 AA AAA: 9:05.29 (+23.12s | 4.1%) 1 13 189 425
Free 1500 M 18:28.48 Analysis 15 07/17/2025 A AA: 18:11.09 (+17.39s | 1.6%) 1 24 186 425
50 Free
31.28
31.28
100 Free
34.41
1:05.69
100 Free
1:05.69
150 Free
36.58
1:42.27
200 Free
35.73
2:18.00
100 Free
1:12.31
250 Free
36.67
2:54.67
300 Free
36.32
3:30.99
100 Free
1:12.99
350 Free
36.62
4:07.61
400 Free
36.58
4:44.19
100 Free
1:13.20
450 Free
37.18
5:21.37
500 Free
36.54
5:57.91
100 Free
1:13.72
550 Free
37.13
6:35.04
600 Free
36.68
7:11.72
100 Free
1:13.81
650 Free
37.26
7:48.98
700 Free
36.88
8:25.86
100 Free
1:14.14
750 Free
37.07
9:02.93
800 Free
37.90
9:40.83
100 Free
1:14.97
850 Free
37.19
10:18.02
900 Free
37.13
10:55.15
100 Free
1:14.32
950 Free
36.84
11:31.99
1000 Free
38.53
12:10.52
100 Free
1:15.37
1050 Free
37.72
12:48.24
1100 Free
37.87
13:26.11
100 Free
1:15.59
1150 Free
38.01
14:04.12
1200 Free
38.68
14:42.80
100 Free
1:16.69
1250 Free
37.69
15:20.49
1300 Free
37.65
15:58.14
100 Free
1:15.34
1350 Free
39.06
16:37.20
1400 Free
38.52
17:15.72
100 Free
1:17.58
1450 Free
36.68
17:52.40
1500 Free
36.08
18:28.48
100 Free
1:12.76
Back 50 M 32.88 15 04/24/2026 2 49 400 889
Back 100 M 1:13.59 Analysis 15 07/11/2025 BB A: 1:07.99 (+5.60s | 7.6%) 4 110 840 1,000+
50 Back
36.08
36.08
100 Back
37.51
1:13.59
100 Back
1:13.59
Back 200 M 2:34.64 Analysis 15 07/11/2025 BB A: 2:27.69 (+6.95s | 4.5%) 2 65 515 1,000+
50 Back
36.71
36.71
100 Back
40.10
1:16.81
100 Back
1:16.81
150 Back
39.45
1:56.26
200 Back
38.38
2:34.64
100 Back
1:17.83
Breast 50 M 47.46 15 07/11/2025 6 137 1,000+ 1,000+
Breast 100 M 1:43.70 Analysis 15 05/16/2025 B: 1:29.49 (+14.21s | 13.7%) 5 217 1,000+ 1,000+
50 Breast
48.86
48.86
100 Breast
54.84
1:43.70
100 Breast
1:43.70
Fly 50 M 32.03 15 04/25/2025 1 90 591 1,000+
Fly 100 M 1:08.67 Analysis 15 05/15/2026 BB A: 1:05.79 (+2.88s | 4.2%) 1 84 713 1,000+
50 Fly
30.48
30.48
100 Fly
38.19
1:08.67
100 Fly
1:08.67
Fly 200 M 2:45.85 Analysis 15 05/15/2026 B BB: 2:39.49 (+6.36s | 3.8%) 1 57 499 1,000+
50 Fly
37.22
37.22
100 Fly
43.10
1:20.32
100 Fly
1:20.32
150 Fly
44.54
2:04.86
200 Fly
40.99
2:45.85
100 Fly
1:25.53
IM 200 M 2:41.26 Analysis 15 07/11/2025 BB A: 2:30.99 (+10.27s | 6.4%) 2 121 1,000+ 1,000+
50 Fly
31.95
31.95
100 Back
40.41
1:12.36
100 IM
1:12.36
150 Breast
53.12
2:05.48
200 Free
35.78
2:41.26
100 IM
1:28.90
IM 400 M 6:32.71 Analysis 15 05/30/2025 B: 6:14.69 (+18.02s | 4.6%) 1 103 864 1,000+
50 Fly
38.67
38.67
100 Fly
48.31
1:26.98
100 Fly
1:26.98
150 Back
49.96
2:16.94
200 Back
49.96
3:06.90
100 Back
1:39.92
250 Breast
1:02.91
4:09.81
300 Breast
1:06.09
5:15.90
100 Breast
2:09.00
350 Free
38.60
5:54.50
400 Free
38.21
6:32.71
100 Free
1:16.81

Above are the fastest times that Oliver Koske has achieved in his swimming career. For each event, you can find Oliver's best time, the corresponding time standard, as well as how much faster Oliver needs to be to reach the next level. The last columns provide Oliver rankings at the team and LSC levels. These rankings are based on the Oliver's personal best, his 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.