Yuki Hayashi

Age: 18 years old
Age Category: 17-18
Team: Neptune Swimming | Pacific Swimming
Participation: 82 meets 500 events

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Pacific Swimming Neptune Swimming
Free 50 Y 22.42 15 12/03/2021 AA AAA: 21.69 (+0.73s | 3.3%) 102 3
Free 100 Y 47.96 17 04/26/2024 AA AAA: 47.39 (+0.57s | 1.2%) 71 3
Free 200 Y 1:45.21 16 12/03/2022 AA AAA: 1:44.99 (+0.22s | 0.2%) 64 2
Free 500 Y 4:46.68 16 08/05/2022 AA AAA: 4:45.39 (+1.29s | 0.4%) 53 1
50 Free
25.99
25.99
100 Free
29.12
55.11
100 Free
55.11
150 Free
29.38
1:24.49
200 Free
29.55
1:54.04
100 Free
58.93
250 Free
29.18
2:23.22
300 Free
29.46
2:52.68
100 Free
58.64
350 Free
29.24
3:21.92
400 Free
29.43
3:51.35
100 Free
58.67
450 Free
28.34
4:19.69
500 Free
26.99
4:46.68
100 Free
55.33
Free 1000 Y 10:11.46 16 02/18/2023 AA AAA: 9:57.29 (+14.17s | 2.3%) 51 2
Back 100 Y 50.84 18 02/27/2025 AAA AAAA: 48.89 (+1.95s | 3.8%) 17 2
50 Back
24.52
24.52
100 Back
26.32
50.84
100 Back
50.84
Back 200 Y 1:49.14 18 02/27/2025 AAA AAAA: 1:47.89 (+1.25s | 1.1%) 7 1
50 Back
25.41
25.41
100 Back
27.08
52.49
100 Back
52.49
150 Back
27.78
1:20.27
200 Back
28.87
1:49.14
100 Back
56.65
Breast 100 Y 1:03.51 16 01/21/2023 A AA: 1:01.39 (+2.12s | 3.3%) 132 2
50 Breast
30.24
30.24
100 Breast
33.27
1:03.51
100 Breast
1:03.51
Breast 200 Y 2:24.77 17 10/06/2023 BB A: 2:19.09 (+5.68s | 3.9%) 164 2
50 Breast
33.69
33.69
100 Breast
36.92
1:10.61
100 Breast
1:10.61
150 Breast
37.61
1:48.22
200 Breast
36.55
2:24.77
100 Breast
1:14.16
Fly 100 Y 50.42 18 02/27/2025 AAA AAAA: 49.09 (+1.33s | 2.6%) 20 1
50 Fly
24.33
24.33
100 Fly
26.09
50.42
100 Fly
50.42
550 Fly
-27.-12
23.30
600 Fly
27.12
50.42
100 Fly
0.00
Fly 200 Y 1:50.83 18 02/27/2025 AAA AAAA: 1:49.79 (+1.04s | 0.9%) 15 1
50 Fly
25.24
25.24
100 Fly
27.94
53.18
100 Fly
53.18
150 Fly
28.39
1:21.57
200 Fly
29.26
1:50.83
100 Fly
57.65
IM 200 Y 1:52.95 17 05/04/2024 AAA AAAA: 1:50.59 (+2.36s | 2.1%) 19 1
IM 400 Y 4:09.81 17 02/04/2024 AA AAA: 4:09.39 (+0.42s | 0.2%) 41 1

Long course distance

Event Time Age Date Standard Next Standard Pacific Swimming Neptune Swimming
Free 50 M 25.08 17 06/08/2024 AAA AAAA: 23.99 (+1.09s | 4.3%) 43 2
Free 100 M 56.16 16 05/19/2023 AA AAA: 54.89 (+1.27s | 2.3%) 95 3
Free 200 M 2:01.16 17 02/29/2024 AA AAA: 2:00.09 (+1.07s | 0.9%) 47 2
50 Free
28.20
28.20
100 Free
30.80
59.00
100 Free
59.00
150 Free
30.83
1:29.83
200 Free
31.33
2:01.16
100 Free
1:02.16
Free 400 M 4:27.10 16 05/19/2023 AA AAA: 4:16.49 (+10.61s | 4.0%) 71 2
Free 1500 M 17:48.04 17 06/24/2023 AA AAA: 17:05.99 (+42.05s | 3.9%) 32 1
Back 100 M 1:00.53 18 06/23/2024 AAA AAAA: 58.19 (+2.34s | 3.9%) 14 1
50 Back
29.94
29.94
100 Back
30.59
1:00.53
100 Back
1:00.53
Back 200 M 2:11.96 17 06/08/2024 AAA AAAA: 2:06.89 (+5.07s | 3.8%) 13 1
Breast 100 M 1:18.53 15 05/20/2022 BB A: 1:14.39 (+4.14s | 5.3%) 150 3
Breast 200 M 3:16.62 11 07/07/2017 B: 3:09.19 (+7.43s | 3.8%) 266 2
Fly 100 M 58.63 17 06/08/2024 AAA AAAA: 55.99 (+2.64s | 4.5%) 30 3
Fly 200 M 2:12.97 17 07/13/2023 AA AAA: 2:11.29 (+1.68s | 1.3%) 32 2
50 Fly
30.14
30.14
100 Fly
33.31
1:03.45
100 Fly
1:03.45
150 Fly
34.25
1:37.70
200 Fly
35.27
2:12.97
100 Fly
1:09.52
IM 200 M 2:13.63 17 07/13/2023 AAA AAAA: 2:08.99 (+4.64s | 3.5%) 27 1
50 Fly
28.82
28.82
100 Back
34.38
1:03.20
100 IM
1:03.20
150 Breast
40.17
1:43.37
200 Free
30.26
2:13.63
100 IM
1:10.43
IM 400 M 5:10.20 16 06/25/2022 A AA: 5:01.89 (+8.31s | 2.7%) 71 1

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