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Ann Guo

Age: 12 years old
Age Category: 11-12
Team: Mason Manta Rays | Ohio Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Mason Manta Rays Ohio Swimming Central Zone USA
Free 50 Y 29.26 12 03/12/2026 A AA: 28.09 (+1.17s | 4.0%) 13 63 392 1,000+
Free 200 Y 2:16.11 Analysis 12 03/12/2026 A AA: 2:13.49 (+2.62s | 1.9%) 6 22 150 1,000+
50 Free
32.10
32.10
100 Free
35.33
1:07.43
100 Free
1:07.43
150 Free
35.99
1:43.42
200 Free
32.69
2:16.11
100 Free
1:08.68
Free 1650 Y 22:02.05 Analysis 12 12/20/2025 BB A: 21:32.09 (+29.96s | 2.3%) 3 6 44 212
50 Free
34.52
34.52
100 Free
38.14
1:12.66
100 Free
1:12.66
150 Free
38.90
1:51.56
200 Free
39.91
2:31.47
100 Free
1:18.81
250 Free
40.91
3:12.38
300 Free
41.06
3:53.44
100 Free
1:21.97
350 Free
40.68
4:34.12
400 Free
40.64
5:14.76
100 Free
1:21.32
450 Free
40.11
5:54.87
500 Free
40.31
6:35.18
100 Free
1:20.42
550 Free
40.79
7:15.97
600 Free
40.58
7:56.55
100 Free
1:21.37
650 Free
40.13
8:36.68
700 Free
40.07
9:16.75
100 Free
1:20.20
750 Free
40.37
9:57.12
800 Free
40.23
10:37.35
100 Free
1:20.60
850 Free
40.52
11:17.87
900 Free
40.88
11:58.75
100 Free
1:21.40
950 Free
40.90
12:39.65
1000 Free
40.71
13:20.36
100 Free
1:21.61
1050 Free
40.10
14:00.46
1100 Free
40.00
14:40.46
100 Free
1:20.10
1150 Free
40.18
15:20.64
1200 Free
40.42
16:01.06
100 Free
1:20.60
1250 Free
40.66
16:41.72
1300 Free
40.14
17:21.86
100 Free
1:20.80
1350 Free
41.09
18:02.95
1400 Free
41.02
18:43.97
100 Free
1:22.11
1450 Free
40.95
19:24.92
1500 Free
41.06
20:05.98
100 Free
1:22.01
1550 Free
40.24
20:46.22
1600 Free
39.98
21:26.20
100 Free
1:20.22
1650 Free
35.85
22:02.05
Back 50 Y 33.06 12 02/19/2026 A AA: 31.79 (+1.27s | 3.8%) 5 30 201 1,000+
Back 100 Y 1:12.05 Analysis 12 03/12/2026 A AA: 1:09.59 (+2.46s | 3.4%) 6 35 207 1,000+
50 Back
35.39
35.39
100 Back
36.66
1:12.05
100 Back
1:12.05
Back 200 Y 2:30.68 Analysis 12 03/12/2026 A AA: 2:27.49 (+3.19s | 2.1%) 2 14 71 455
50 Back
35.67
35.67
100 Back
38.74
1:14.41
100 Back
1:14.41
150 Back
39.06
1:53.47
200 Back
37.21
2:30.68
100 Back
1:16.27
Breast 50 Y 39.17 12 02/19/2026 BB A: 37.69 (+1.48s | 3.8%) 11 54 296 1,000+
Breast 100 Y 1:22.89 Analysis 12 02/19/2026 BB A: 1:22.19 (+0.70s | 0.8%) 9 37 201 1,000+
50 Breast
39.11
39.11
100 Breast
43.78
1:22.89
100 Breast
1:22.89
Breast 200 Y 2:59.32 Analysis 12 02/19/2026 BB A: 2:56.29 (+3.03s | 1.7%) 10 32 138 803
50 Breast
40.50
40.50
100 Breast
46.91
1:27.41
100 Breast
1:27.41
150 Breast
46.74
2:14.15
200 Breast
45.17
2:59.32
100 Breast
1:31.91
Fly 50 Y 32.21 12 02/19/2026 BB A: 31.59 (+0.62s | 1.9%) 16 48 227 1,000+
Fly 100 Y 1:12.53 Analysis 12 02/19/2026 BB A: 1:12.09 (+0.44s | 0.6%) 12 30 169 1,000+
50 Fly
33.78
33.78
100 Fly
38.75
1:12.53
100 Fly
1:12.53
IM 100 Y 1:11.71 Analysis 12 02/19/2026 A AA: 1:09.99 (+1.72s | 2.4%) 11 21 157 944
50 IM
33.24
33.24
100 IM
38.47
1:11.71
100 IM
1:11.71

Long course distance

Event Time Age Date Standard Next Standard Mason Manta Rays Ohio Swimming Central Zone USA
Free 50 M 32.67 12 07/23/2026 A AA: 31.89 (+0.78s | 2.4%) 14 74 256 1,000+
Free 200 M 2:30.95 Analysis 12 07/23/2026 AA AAA: 2:26.49 (+4.46s | 3.0%) 6 20 101 635
50 Free
35.22
35.22
100 Free
38.33
1:13.55
100 Free
1:13.55
150 Free
39.75
1:53.30
200 Free
37.65
2:30.95
100 Free
1:17.40
Back 100 M 1:21.58 Analysis 12 07/23/2026 A AA: 1:20.79 (+0.79s | 1.0%) 9 40 148 902
50 Back
39.77
39.77
100 Back
41.81
1:21.58
100 Back
1:21.58
Back 200 M 2:51.94 Analysis 12 07/23/2026 A AA: 2:50.99 (+0.95s | 0.6%) 6 23 73 420
50 Back
41.38
41.38
100 Back
44.32
1:25.70
100 Back
1:25.70
150 Back
44.07
2:09.77
200 Back
42.17
2:51.94
100 Back
1:26.24
Breast 50 M 44.79 12 07/10/2026 BB A: 42.69 (+2.10s | 4.7%) 13 56 217 1,000+
Breast 100 M 1:36.37 Analysis 12 07/10/2026 BB A: 1:33.99 (+2.38s | 2.5%) 15 42 174 1,000+
50 Breast
46.67
46.67
100 Breast
49.70
1:36.37
100 Breast
1:36.37
Breast 200 M 3:25.83 Analysis 12 07/10/2026 BB A: 3:22.99 (+2.84s | 1.4%) 7 32 109 710
50 Breast
47.83
47.83
100 Breast
53.10
1:40.93
100 Breast
1:40.93
150 Breast
53.84
2:34.77
200 Breast
51.06
3:25.83
100 Breast
1:44.90
Fly 50 M 36.05 12 07/10/2026 BB A: 35.79 (+0.26s | 0.7%) 20 65 214 1,000+
Fly 100 M 1:22.59 Analysis 12 07/23/2026 A AA: 1:18.69 (+3.90s | 4.7%) 14 35 126 896
50 Fly
40.02
40.02
100 Fly
42.57
1:22.59
100 Fly
1:22.59
Fly 200 M 3:08.39 Analysis 12 07/10/2026 BB A: 3:00.89 (+7.50s | 4.0%) 9 15 48 298
50 Fly
41.67
41.67
100 Fly
46.79
1:28.46
100 Fly
1:28.46
150 Fly
51.09
2:19.55
200 Fly
48.84
3:08.39
100 Fly
1:39.93

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