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Constantine Kosteas

Age: 12 years old
Age Category: 11-12
Team: Great Lakes Sailfish Swimming | Lake Erie Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Great Lakes Sailfish Swimming Lake Erie Swimming Central Zone USA
Free 50 Y 29.22 12 02/19/2026 BB A: 28.09 (+1.13s | 3.9%) 2 27 399 1,000+
Free 200 Y 2:19.79 Analysis 12 02/19/2026 BB A: 2:13.69 (+6.10s | 4.4%) 1 9 242 1,000+
50 Free
32.09
32.09
100 Free
35.90
1:07.99
100 Free
1:07.99
150 Free
37.01
1:45.00
200 Free
34.79
2:19.79
100 Free
1:11.80
Back 50 Y 34.55 12 02/19/2026 BB A: 32.69 (+1.86s | 5.4%) 2 23 352 1,000+
Back 100 Y 1:13.00 Analysis 12 02/19/2026 BB A: 1:09.29 (+3.71s | 5.1%) 2 15 244 1,000+
50 Back
35.71
35.71
100 Back
37.29
1:13.00
100 Back
1:13.00
Back 200 Y 2:35.90 Analysis 12 02/19/2026 BB A: 2:28.19 (+7.71s | 4.9%) 1 3 128 991
50 Back
37.51
37.51
100 Back
39.81
1:17.32
100 Back
1:17.32
150 Back
40.23
1:57.55
200 Back
38.35
2:35.90
100 Back
1:18.58
Fly 50 Y 32.27 12 02/19/2026 BB A: 31.19 (+1.08s | 3.3%) 1 13 240 1,000+

Long course distance

Event Time Age Date Standard Next Standard Great Lakes Sailfish Swimming Lake Erie Swimming Central Zone USA
Free 50 M 34.69 12 07/24/2025 BB A: 32.09 (+2.60s | 7.5%) 2 20 151 1,000+
Free 100 M 1:18.08 Analysis 12 07/24/2025 B BB: 1:16.19 (+1.89s | 2.4%) 2 19 157 1,000+
50 Free
38.15
38.15
100 Free
39.93
1:18.08
100 Free
1:18.08
Free 200 M 2:50.52 Analysis 12 07/12/2025 B BB: 2:46.39 (+4.13s | 2.4%) 1 17 136 949
50 Free
37.46
37.46
100 Free
44.38
1:21.84
100 Free
1:21.84
150 Free
46.11
2:07.95
200 Free
42.57
2:50.52
100 Free
1:28.68
Back 50 M 39.73 12 06/12/2025 BB A: 37.69 (+2.04s | 5.1%) 2 12 105 673
Back 100 M 1:25.18 Analysis 12 06/12/2025 BB A: 1:21.89 (+3.29s | 3.9%) 2 10 75 532
Fly 50 M 40.40 12 06/12/2025 B BB: 38.69 (+1.71s | 4.2%) 1 15 140 1,000+
Fly 100 M 1:25.32 Analysis 12 07/24/2025 BB A: 1:19.49 (+5.83s | 6.8%) 1 4 50 442
50 Fly
39.02
39.02
100 Fly
46.30
1:25.32
100 Fly
1:25.32

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