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Declan Sederholm

Age: 10 years old
Age Category: 10 & under
Team: Hilltop Aquatic Swim Team | Utah Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Hilltop Aquatic Swim Team Utah Swimming Western Zone USA
Free 25 Y 21.60 10 01/05/2023 5 33 1,000+ 1,000+
Free 50 Y 33.42 10 10/15/2025 BB A: 31.09 (+2.33s | 7.0%) 2 7 566 1,000+
Free 100 Y 1:17.93 Analysis 10 11/14/2025 BB A: 1:09.79 (+8.14s | 10.4%) 2 11 662 1,000+
50 Free
37.57
37.57
100 Free
40.36
1:17.93
100 Free
1:17.93
Free 200 Y 2:46.90 Analysis 10 11/14/2025 BB A: 2:31.59 (+15.31s | 9.2%) 1 8 416 1,000+
50 Free
38.08
38.08
100 Free
42.68
1:20.76
100 Free
1:20.76
150 Free
45.18
2:05.94
200 Free
40.96
2:46.90
100 Free
1:26.14
Free 500 Y 7:24.00 Analysis 10 11/14/2025 BB A: 6:43.39 (+40.61s | 9.1%) 1 8 209 1,000+
50 Free
37.10
37.10
100 Free
43.19
1:20.29
100 Free
1:20.29
150 Free
46.22
2:06.51
200 Free
47.05
2:53.56
100 Free
1:33.27
250 Free
47.26
3:40.82
300 Free
46.11
4:26.93
100 Free
1:33.37
350 Free
45.08
5:12.01
400 Free
47.81
5:59.82
100 Free
1:32.89
450 Free
43.07
6:42.89
500 Free
41.11
7:24.00
100 Free
1:24.18
Back 50 Y 40.09 10 03/05/2025 BB A: 37.59 (+2.50s | 6.2%) 1 7 484 1,000+
Back 100 Y 1:23.48 Analysis 10 03/05/2025 BB A: 1:19.59 (+3.89s | 4.7%) 1 6 301 1,000+
50 Back
41.27
41.27
100 Back
42.21
1:23.48
100 Back
1:23.48
Back 200 Y 3:19.79 Analysis 10 12/19/2024 2 6 28 176
50 Back
47.70
47.70
100 Back
50.46
1:38.16
100 Back
1:38.16
150 Back
52.46
2:30.62
200 Back
49.17
3:19.79
100 Back
1:41.63
Breast 50 Y 45.08 10 03/05/2025 BB A: 42.09 (+2.99s | 6.6%) 1 7 377 1,000+
Breast 100 Y 1:34.68 Analysis 10 11/14/2025 BB A: 1:30.59 (+4.09s | 4.3%) 2 6 286 1,000+
50 Breast
46.56
46.56
100 Breast
48.12
1:34.68
100 Breast
1:34.68
Breast 200 Y 3:45.38 Analysis 10 12/19/2024 1 5 47 208
50 Breast
51.39
51.39
100 Breast
58.10
1:49.49
100 Breast
1:49.49
150 Breast
59.02
2:48.51
200 Breast
56.87
3:45.38
100 Breast
1:55.89
Fly 50 Y 44.65 10 11/14/2025 B BB: 41.29 (+3.36s | 7.5%) 2 19 791 1,000+
Fly 100 Y 1:52.22 Analysis 10 09/17/2025 B BB: 1:38.99 (+13.23s | 11.8%) 2 10 580 1,000+
50 Fly
50.70
50.70
100 Fly
1:01.52
1:52.22
100 Fly
1:52.22
IM 100 Y 1:25.32 Analysis 10 10/15/2025 BB A: 1:19.69 (+5.63s | 6.6%) 1 6 379 1,000+
50 IM
39.96
39.96
100 IM
45.36
1:25.32
100 IM
1:25.32
IM 200 Y 3:11.41 Analysis 10 11/14/2025 BB A: 2:53.49 (+17.92s | 9.4%) 1 9 398 1,000+
50 Fly
45.12
45.12
100 Back
49.10
1:34.22
100 IM
1:34.22
150 Breast
54.49
2:28.71
200 Free
42.70
3:11.41
100 IM
1:37.19

Long course distance

Event Time Age Date Standard Next Standard Hilltop Aquatic Swim Team Utah Swimming Western Zone USA
Free 50 M 38.06 10 07/17/2025 BB A: 35.69 (+2.37s | 6.2%) 2 8 170 299
Free 100 M 1:25.36 Analysis 10 06/21/2025 BB A: 1:20.19 (+5.17s | 6.1%) 1 7 150 268
50 Free
41.22
41.22
100 Free
44.14
1:25.36
100 Free
1:25.36
Free 200 M 3:06.89 Analysis 10 06/21/2025 BB A: 2:53.39 (+13.50s | 7.2%) 1 5 122 221
50 Free
41.99
41.99
100 Free
47.55
1:29.54
100 Free
1:29.54
150 Free
49.48
2:19.02
200 Free
47.87
3:06.89
100 Free
1:37.35
Free 400 M 6:35.14 Analysis 10 06/21/2025 BB A: 6:06.59 (+28.55s | 7.2%) 1 5 43 103
50 Free
43.71
43.71
100 Free
50.19
1:33.90
100 Free
1:33.90
150 Free
50.34
2:24.24
200 Free
50.50
3:14.74
100 Free
1:40.84
250 Free
53.29
4:08.03
350 Free
1:41.68
5:49.72
400 Free
45.42
6:35.14
100 Free
2:27.10
Back 50 M 48.87 10 06/21/2025 BB A: 43.09 (+5.78s | 11.8%) 2 12 312 568
Back 100 M 1:35.02 Analysis 10 05/08/2025 BB A: 1:32.29 (+2.73s | 2.9%) 1 5 106 170
25 Back
46.14
46.14
50 Back
49.71
1:35.85
50 Back
1:35.85
100 Back
0.-83
1:35.02
50 Back
0.-83
Breast 50 M 50.40 10 07/17/2025 BB A: 47.89 (+2.51s | 5.0%) 1 4 110 185
Breast 100 M 1:50.41 Analysis 10 07/17/2025 BB A: 1:45.49 (+4.92s | 4.5%) 1 5 108 172
50 Breast
52.82
52.82
100 Breast
57.59
1:50.41
100 Breast
1:50.41
Fly 50 M 52.93 10 04/12/2025 B: 52.29 (+0.64s | 1.2%) 3 13 327 604
Fly 100 M 2:04.63 Analysis 10 04/12/2025 B BB: 1:52.89 (+11.74s | 9.4%) 2 6 178 298
50 Fly
56.42
56.42
100 Fly
1:08.21
2:04.63
100 Fly
2:04.63
IM 200 M 3:36.96 Analysis 10 06/21/2025 BB A: 3:17.89 (+19.07s | 8.8%) 1 7 133 230
50 Fly
55.07
55.07
100 Back
53.80
1:48.87
100 IM
1:48.87
150 Breast
59.07
2:47.94
200 Free
49.02
3:36.96
100 IM
1:48.09

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