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Nathan Ainslie

Age: 18 years old
Age Category: 17-18
Team: Rushmore Swim Team | South Dakota Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Rushmore Swim Team South Dakota Swimming Central Zone USA
Free 50 Y 14.85 18 12/14/2019 AAAA 2 6 6 17
Free 100 Y 54.25 Analysis 18 02/27/2025 BB A: 51.69 (+2.56s | 4.7%) 4 22 753 1,000+
Free 200 Y 57.14 Analysis 18 12/13/2024 AAAA 1 1 1 2
Free 500 Y 5:22.64 Analysis 18 11/02/2024 BB A: 5:11.39 (+11.25s | 3.5%) 3 12 268 1,000+
50 Free
28.64
28.64
100 Free
31.46
1:00.10
100 Free
1:00.10
150 Free
32.37
1:32.47
200 Free
33.07
2:05.55
100 Free
1:05.45
250 Free
33.04
2:38.59
300 Free
33.16
3:11.75
100 Free
1:06.20
350 Free
33.09
3:44.84
400 Free
33.13
4:17.97
100 Free
1:06.22
450 Free
32.78
4:50.75
500 Free
31.89
5:22.64
100 Free
1:04.67
Free 1000 Y 10:46.20 Analysis 18 02/27/2025 A AA: 10:24.49 (+21.71s | 3.4%) 2 5 91 1,000+
50 Free
27.40
27.40
100 Free
30.76
58.16
100 Free
58.16
150 Free
31.82
1:29.98
200 Free
32.43
2:02.41
100 Free
1:04.25
250 Free
32.34
2:34.75
300 Free
32.53
3:07.28
100 Free
1:04.87
350 Free
32.97
3:40.25
400 Free
32.54
4:12.79
100 Free
1:05.51
450 Free
33.08
4:45.87
500 Free
32.84
5:18.71
100 Free
1:05.92
550 Free
33.24
5:51.95
600 Free
32.79
6:24.74
100 Free
1:06.03
650 Free
33.27
6:58.01
700 Free
33.11
7:31.12
100 Free
1:06.38
750 Free
33.10
8:04.22
800 Free
32.91
8:37.13
100 Free
1:06.01
850 Free
33.04
9:10.17
900 Free
32.94
9:43.11
100 Free
1:05.98
950 Free
32.45
10:15.56
1000 Free
30.64
10:46.20
100 Free
1:03.09
Free 1650 Y 17:45.99 Analysis 18 02/27/2025 A AA: 17:22.39 (+23.60s | 2.2%) 2 5 61 776
50 Free
28.22
28.22
100 Free
31.07
59.29
100 Free
59.29
150 Free
32.09
1:31.38
200 Free
31.91
2:03.29
100 Free
1:04.00
250 Free
31.97
2:35.26
300 Free
31.89
3:07.15
100 Free
1:03.86
350 Free
33.02
3:40.17
400 Free
32.80
4:12.97
100 Free
1:05.82
450 Free
32.39
4:45.36
500 Free
32.63
5:17.99
100 Free
1:05.02
550 Free
32.56
5:50.55
600 Free
32.43
6:22.98
100 Free
1:04.99
650 Free
33.16
6:56.14
700 Free
32.87
7:29.01
100 Free
1:06.03
750 Free
32.73
8:01.74
800 Free
32.97
8:34.71
100 Free
1:05.70
850 Free
32.97
9:07.68
900 Free
32.97
9:40.65
100 Free
1:05.94
950 Free
32.96
10:13.61
1000 Free
33.27
10:46.88
100 Free
1:06.23
1050 Free
32.50
11:19.38
1100 Free
32.93
11:52.31
100 Free
1:05.43
1150 Free
32.64
12:24.95
1200 Free
32.38
12:57.33
100 Free
1:05.02
1250 Free
33.27
13:30.60
1300 Free
33.21
14:03.81
100 Free
1:06.48
1350 Free
32.41
14:36.22
1400 Free
32.29
15:08.51
100 Free
1:04.70
1450 Free
32.37
15:40.88
1500 Free
32.48
16:13.36
100 Free
1:04.85
1550 Free
32.05
16:45.41
1600 Free
31.36
17:16.77
100 Free
1:03.41
1650 Free
29.22
17:45.99
Back 50 Y 36.30 18 02/27/2020 7 33 396 1,000+
Back 100 Y 1:02.04 Analysis 18 12/13/2024 B BB: 1:00.59 (+1.45s | 2.3%) 4 16 470 1,000+
Back 200 Y 2:38.31 Analysis 18 02/04/2022 B: 2:23.89 (+14.42s | 9.1%) 6 30 347 1,000+
50 Back
37.67
37.67
100 Back
40.33
1:18.00
100 Back
1:18.00
150 Back
41.38
1:59.38
200 Back
38.93
2:38.31
100 Back
1:20.31
Breast 50 Y 29.52 18 12/13/2024 3 3 121 1,000+
25 Breast
14.02
14.02
50 Breast
15.50
29.52
50 Breast
29.52
Breast 100 Y 1:02.17 Analysis 18 02/27/2025 A AA: 1:01.39 (+0.78s | 1.3%) 3 5 185 1,000+
50 Breast
29.72
29.72
100 Breast
32.45
1:02.17
100 Breast
1:02.17
Breast 200 Y 2:14.93 Analysis 18 02/27/2025 A AA: 2:13.29 (+1.64s | 1.2%) 2 4 101 946
50 Breast
30.55
30.55
100 Breast
34.38
1:04.93
100 Breast
1:04.93
150 Breast
34.70
1:39.63
200 Breast
35.30
2:14.93
100 Breast
1:10.00
Fly 50 Y 26.47 18 12/13/2024 4 12 275 1,000+
25 Fly
12.49
12.49
50 Fly
13.98
26.47
50 Fly
26.47
Fly 100 Y 1:01.06 Analysis 18 11/04/2023 B BB: 1:00.79 (+0.27s | 0.4%) 4 19 548 1,000+
50 Fly
28.88
28.88
100 Fly
32.18
1:01.06
100 Fly
1:01.06
Fly 200 Y 2:07.33 Analysis 18 02/27/2025 BB A: 2:05.49 (+1.84s | 1.4%) 3 7 144 1,000+
50 Fly
27.82
27.82
100 Fly
31.97
59.79
100 Fly
59.79
150 Fly
33.35
1:33.14
200 Fly
34.19
2:07.33
100 Fly
1:07.54
IM 200 Y 2:06.84 Analysis 18 03/13/2025 BB A: 2:06.39 (+0.45s | 0.4%) 3 8 259 1,000+
50 Fly
27.47
27.47
100 Back
35.23
1:02.70
100 IM
1:02.70
150 Breast
34.96
1:37.66
200 Free
29.18
2:06.84
100 IM
1:04.14
IM 400 Y 4:30.58 Analysis 18 02/27/2025 A AA: 4:20.69 (+9.89s | 3.7%) 3 7 135 1,000+
50 Fly
27.69
27.69
100 Fly
32.43
1:00.12
100 Fly
1:00.12
150 Back
36.71
1:36.83
200 Back
35.74
2:12.57
100 Back
1:12.45
250 Breast
37.73
2:50.30
300 Breast
38.23
3:28.53
100 Breast
1:15.96
350 Free
31.33
3:59.86
400 Free
30.72
4:30.58
100 Free
1:02.05

Long course distance

Event Time Age Date Standard Next Standard Rushmore Swim Team South Dakota Swimming Central Zone USA
Free 50 M 29.26 18 06/23/2023 BB A: 27.39 (+1.87s | 6.4%) 4 27 414 1,000+
Free 100 M 1:00.89 Analysis 18 12/21/2024 BB A: 59.89 (+1.00s | 1.6%) 4 12 316 1,000+
50 Free
29.91
29.91
100 Free
30.98
1:00.89
100 Free
1:00.89
Free 200 M 2:37.63 Analysis 18 11/20/2021 B: 2:32.89 (+4.74s | 3.0%) 4 27 375 1,000+
50 Free
35.10
35.10
100 Free
41.16
1:16.26
100 Free
1:16.26
150 Free
40.78
1:57.04
200 Free
40.59
2:37.63
100 Free
1:21.37
Free 400 M 4:46.03 Analysis 18 07/18/2025 BB A: 4:39.79 (+6.24s | 2.2%) 3 8 143 1,000+
50 Free
31.43
31.43
100 Free
35.55
1:06.98
100 Free
1:06.98
150 Free
36.26
1:43.24
200 Free
36.72
2:19.96
100 Free
1:12.98
250 Free
36.75
2:56.71
300 Free
37.09
3:33.80
100 Free
1:13.84
350 Free
36.71
4:10.51
400 Free
35.52
4:46.03
100 Free
1:12.23
Free 800 M 9:50.47 Analysis 18 07/18/2025 BB A: 9:41.09 (+9.38s | 1.6%) 2 6 79 747
50 Free
32.38
32.38
100 Free
36.24
1:08.62
100 Free
1:08.62
150 Free
37.05
1:45.67
200 Free
36.98
2:22.65
100 Free
1:14.03
250 Free
36.95
2:59.60
300 Free
37.61
3:37.21
100 Free
1:14.56
350 Free
37.26
4:14.47
400 Free
37.79
4:52.26
100 Free
1:15.05
450 Free
37.77
5:30.03
500 Free
37.93
6:07.96
100 Free
1:15.70
550 Free
37.40
6:45.36
600 Free
37.90
7:23.26
100 Free
1:15.30
650 Free
37.71
8:00.97
700 Free
37.59
8:38.56
100 Free
1:15.30
750 Free
36.85
9:15.41
800 Free
35.06
9:50.47
100 Free
1:11.91
Free 1500 M 18:31.01 Analysis 18 07/18/2025 A AA: 17:52.59 (+38.42s | 3.5%) 2 5 52 504
50 Free
32.47
32.47
100 Free
36.03
1:08.50
100 Free
1:08.50
150 Free
36.26
1:44.76
200 Free
36.30
2:21.06
100 Free
1:12.56
250 Free
37.15
2:58.21
300 Free
37.01
3:35.22
100 Free
1:14.16
350 Free
37.56
4:12.78
400 Free
37.56
4:50.34
100 Free
1:15.12
450 Free
37.67
5:28.01
500 Free
37.69
6:05.70
100 Free
1:15.36
550 Free
37.53
6:43.23
600 Free
37.82
7:21.05
100 Free
1:15.35
650 Free
30.97
7:52.02
700 Free
43.89
8:35.91
100 Free
1:14.86
750 Free
37.66
9:13.57
800 Free
38.10
9:51.67
100 Free
1:15.76
850 Free
37.66
10:29.33
900 Free
37.65
11:06.98
100 Free
1:15.31
950 Free
37.24
11:44.22
1000 Free
37.55
12:21.77
100 Free
1:14.79
1050 Free
36.80
12:58.57
1100 Free
37.42
13:35.99
100 Free
1:14.22
1150 Free
30.08
14:06.07
1200 Free
44.53
14:50.60
100 Free
1:14.61
1250 Free
37.29
15:27.89
1300 Free
37.36
16:05.25
100 Free
1:14.65
1350 Free
37.15
16:42.40
1400 Free
37.12
17:19.52
100 Free
1:14.27
1450 Free
36.48
17:56.00
1500 Free
35.01
18:31.01
100 Free
1:11.49
Back 50 M 41.85 18 11/23/2019 5 21 196 1,000+
Back 100 M 1:10.15 Analysis 18 12/21/2024 BB A: 1:06.49 (+3.66s | 5.2%) 4 11 189 1,000+
50 Back
35.14
35.14
100 Back
35.01
1:10.15
100 Back
1:10.15
Back 200 M 2:54.54 Analysis 18 11/20/2021 B: 2:49.19 (+5.35s | 3.1%) 3 16 193 1,000+
50 Back
40.23
40.23
100 Back
45.22
1:25.45
100 Back
1:25.45
150 Back
44.56
2:10.01
200 Back
44.53
2:54.54
100 Back
1:29.09
Breast 50 M 42.97 18 11/23/2019 4 9 141 1,000+
Breast 100 M 1:11.30 Analysis 18 12/21/2024 A AA: 1:11.29 (+0.01s | 0.0%) 2 3 48 526
50 Breast
35.08
35.08
100 Breast
36.22
1:11.30
100 Breast
1:11.30
Breast 200 M 2:42.27 Analysis 18 07/18/2025 BB A: 2:42.19 (+0.08s | 0.0%) 2 3 59 664
50 Breast
36.30
36.30
100 Breast
41.37
1:17.67
100 Breast
1:17.67
150 Breast
42.38
2:00.05
200 Breast
42.22
2:42.27
100 Breast
1:24.60
Fly 50 M 44.78 18 06/21/2019 5 23 212 1,000+
Fly 100 M 1:08.62 Analysis 18 12/21/2024 BB A: 1:03.99 (+4.63s | 6.7%) 4 13 215 1,000+
50 Fly
32.40
32.40
100 Fly
36.22
1:08.62
100 Fly
1:08.62
Fly 200 M 2:33.59 Analysis 18 07/18/2025 BB A: 2:23.19 (+10.40s | 6.8%) 3 8 87 901
50 Fly
33.94
33.94
100 Fly
39.41
1:13.35
100 Fly
1:13.35
150 Fly
39.84
1:53.19
200 Fly
40.40
2:33.59
100 Fly
1:20.24
IM 200 M 2:26.19 Analysis 18 12/21/2024 A AA: 2:21.19 (+5.00s | 3.4%) 4 6 129 1,000+
50 Fly
32.39
32.39
100 Back
39.28
1:11.67
100 IM
1:11.67
150 Breast
41.21
1:52.88
200 Free
33.31
2:26.19
100 IM
1:14.52
IM 400 M 5:17.22 Analysis 18 07/18/2025 BB A: 5:15.09 (+2.13s | 0.7%) 3 7 81 869
50 Fly
33.00
33.00
100 Fly
38.25
1:11.25
100 Fly
1:11.25
150 Back
43.48
1:54.73
200 Back
42.39
2:37.12
100 Back
1:25.87
250 Breast
43.60
3:20.72
300 Breast
43.92
4:04.64
100 Breast
1:27.52
350 Free
37.26
4:41.90
400 Free
35.32
5:17.22
100 Free
1:12.58

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