Mark Liu

Age: 12 years old
Age Category: 11-12
Team: Rancho San Dieguito | San Diego-Imperial Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Rancho San Dieguito San Diego-Imperial Swimming Western Zone USA
Free 50 Y 28.41 12 01/17/2026 BB A: 28.09 (+0.32s | 1.1%) 5 24 583 1,000+
Free 100 Y 1:00.52 12 01/17/2026 A AA: 58.69 (+1.83s | 3.0%) 3 14 352 1,000+
50 Free
29.18
29.18
100 Free
31.34
1:00.52
100 Free
1:00.52
Free 200 Y 2:13.42 12 12/19/2025 A AA: 2:08.19 (+5.23s | 3.9%) 4 13 282 1,000+
50 Free
30.11
30.11
100 Free
33.65
1:03.76
100 Free
1:03.76
150 Free
35.25
1:39.01
200 Free
34.41
2:13.42
100 Free
1:09.66
Back 50 Y 32.64 12 12/19/2025 A AA: 31.19 (+1.45s | 4.4%) 3 18 339 1,000+
Back 100 Y 1:12.21 12 10/11/2025 BB A: 1:09.29 (+2.92s | 4.0%) 4 15 425 1,000+
50 Back
35.39
35.39
100 Back
36.82
1:12.21
100 Back
1:12.21
Breast 50 Y 40.47 12 10/11/2025 B BB: 40.09 (+0.38s | 0.9%) 8 42 835 1,000+
Breast 100 Y 1:29.46 12 10/11/2025 B BB: 1:25.49 (+3.97s | 4.4%) 9 46 874 1,000+
50 Breast
42.45
42.45
100 Breast
47.01
1:29.46
100 Breast
1:29.46
Fly 50 Y 30.12 12 01/17/2026 A AA: 29.69 (+0.43s | 1.4%) 2 10 187 676
Fly 100 Y 1:08.64 12 10/11/2025 A AA: 1:05.89 (+2.75s | 4.0%) 3 10 232 851
50 Fly
32.33
32.33
100 Fly
36.31
1:08.64
100 Fly
1:08.64
Fly 200 Y 3:03.07 11 12/06/2024 B: 2:56.59 (+6.48s | 3.5%) 6 17 233 792
50 Fly
38.52
38.52
100 Fly
45.90
1:24.42
100 Fly
1:24.42
150 Fly
49.55
2:13.97
200 Fly
49.10
3:03.07
100 Fly
1:38.65
IM 100 Y 1:11.85 12 12/05/2025 BB A: 1:09.99 (+1.86s | 2.6%) 6 16 370 1,000+
50 IM
31.87
31.87
100 IM
39.98
1:11.85
100 IM
1:11.85
IM 200 Y 2:36.00 12 12/05/2025 BB A: 2:32.29 (+3.71s | 2.4%) 6 21 412 1,000+
50 Fly
32.68
32.68
100 Back
38.47
1:11.15
100 IM
1:11.15
150 Breast
49.98
2:01.13
200 Free
34.87
2:36.00
100 IM
1:24.85
IM 400 Y 5:56.68 11 05/17/2025 B BB: 5:50.09 (+6.59s | 1.8%) 5 25 282 911
50 Fly
35.00
35.00
100 Fly
46.25
1:21.25
100 Fly
1:21.25
150 Back
43.86
2:05.11
200 Back
42.75
2:47.86
100 Back
1:26.61
250 Breast
53.56
3:41.42
300 Breast
54.39
4:35.81
100 Breast
1:47.95
350 Free
41.10
5:16.91
400 Free
39.77
5:56.68
100 Free
1:20.87

Long course distance

Event Time Age Date Standard Next Standard Rancho San Dieguito San Diego-Imperial Swimming Western Zone USA

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