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Riley Materkoski

Age: 12 years old
Age Category: 11-12
Team: Delaware Riptide YMCA Swim Tea | Ohio Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Delaware Riptide YMCA Swim Tea Ohio Swimming Central Zone USA
Free 50 Y 30.03 12 02/19/2026 BB A: 29.29 (+0.74s | 2.5%) 3 99 546 1,000+
Free 100 Y 1:04.34 Analysis 12 02/19/2026 BB A: 1:03.99 (+0.35s | 0.5%) 3 55 331 1,000+
50 Free
30.63
30.63
100 Free
33.71
1:04.34
100 Free
1:04.34
Free 200 Y 2:18.34 Analysis 12 03/12/2026 A AA: 2:13.49 (+4.85s | 3.5%) 2 32 179 1,000+
50 Free
30.98
30.98
100 Free
35.46
1:06.44
100 Free
1:06.44
150 Free
36.43
1:42.87
200 Free
35.47
2:18.34
100 Free
1:11.90
Free 500 Y 6:01.20 Analysis 12 03/12/2026 A AA: 5:58.89 (+2.31s | 0.6%) 1 18 104 712
50 Free
30.84
30.84
100 Free
35.30
1:06.14
100 Free
1:06.14
150 Free
36.10
1:42.24
200 Free
36.21
2:18.45
100 Free
1:12.31
250 Free
37.38
2:55.83
300 Free
37.73
3:33.56
100 Free
1:15.11
350 Free
37.57
4:11.13
400 Free
37.97
4:49.10
100 Free
1:15.54
450 Free
37.29
5:26.39
500 Free
34.81
6:01.20
100 Free
1:12.10
Fly 50 Y 31.54 12 02/19/2026 A AA: 30.29 (+1.25s | 4.0%) 2 29 162 1,000+
Fly 100 Y 1:13.70 Analysis 12 02/19/2026 BB A: 1:12.09 (+1.61s | 2.2%) 3 30 186 1,000+
50 Fly
33.57
33.57
100 Fly
40.13
1:13.70
100 Fly
1:13.70
Fly 200 Y 2:59.47 Analysis 12 02/19/2026 B BB: 2:50.29 (+9.18s | 5.1%) 2 13 84 637
50 Fly
35.22
35.22
100 Fly
47.50
1:22.72
100 Fly
1:22.72
150 Fly
50.37
2:13.09
200 Fly
46.38
2:59.47
100 Fly
1:36.75

Long course distance

Event Time Age Date Standard Next Standard Delaware Riptide YMCA Swim Tea Ohio Swimming Central Zone USA
Free 50 M 33.51 12 07/10/2026 BB A: 33.19 (+0.32s | 1.0%) 3 90 403 1,000+
Free 100 M 1:12.39 Analysis 12 07/23/2026 A AA: 1:10.29 (+2.10s | 2.9%) 3 66 265 1,000+
50 Free
34.39
34.39
100 Free
38.00
1:12.39
100 Free
1:12.39
Free 200 M 2:36.74 Analysis 12 07/23/2026 A AA: 2:33.09 (+3.65s | 2.3%) 2 45 207 1,000+
50 Free
35.49
35.49
100 Free
39.94
1:15.43
100 Free
1:15.43
150 Free
42.11
1:57.54
200 Free
39.20
2:36.74
100 Free
1:21.31
Free 400 M 5:21.85 Analysis 12 07/23/2026 AA AAA: 5:08.69 (+13.16s | 4.1%) 3 26 124 636
50 Free
34.63
34.63
100 Free
39.66
1:14.29
100 Free
1:14.29
150 Free
41.42
1:55.71
200 Free
42.98
2:38.69
100 Free
1:24.40
250 Free
41.78
3:20.47
300 Free
40.51
4:00.98
100 Free
1:22.29
350 Free
40.94
4:41.92
400 Free
39.93
5:21.85
100 Free
1:20.87
Back 100 M 1:28.19 Analysis 12 07/10/2026 BB A: 1:24.79 (+3.40s | 3.9%) 2 83 373 1,000+
50 Back
42.97
42.97
100 Back
45.22
1:28.19
100 Back
1:28.19
Back 200 M 3:05.74 Analysis 12 07/10/2026 BB A: 2:58.39 (+7.35s | 4.0%) 4 52 167 1,000+
50 Back
43.11
43.11
100 Back
47.91
1:31.02
100 Back
1:31.02
150 Back
47.59
2:18.61
200 Back
47.13
3:05.74
100 Back
1:34.72
Fly 50 M 34.60 12 07/23/2026 A AA: 34.29 (+0.31s | 0.9%) 2 34 132 794
Fly 100 M 1:20.44 Analysis 12 07/10/2026 A AA: 1:18.69 (+1.75s | 2.2%) 1 24 117 706
50 Fly
35.69
35.69
100 Fly
44.75
1:20.44
100 Fly
1:20.44
Fly 200 M 3:04.52 Analysis 12 07/23/2026 BB A: 3:00.89 (+3.63s | 2.0%) 1 11 43 255
50 Fly
37.06
37.06
100 Fly
45.56
1:22.62
100 Fly
1:22.62
150 Fly
51.00
2:13.62
200 Fly
50.90
3:04.52
100 Fly
1:41.90

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