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Isabella Underwood

Age: 12 years old
Age Category: 11-12
Team: Montrose Marlins Swim Club | Colorado Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Montrose Marlins Swim Club Colorado Swimming Western Zone USA
Free 50 Y 33.00 12 06/27/2026 B BB: 31.69 (+1.31s | 4.0%) 4 275 1,000+ 1,000+
Free 100 Y 1:13.83 Analysis 12 06/27/2026 B BB: 1:09.39 (+4.44s | 6.0%) 4 240 1,000+ 1,000+
50 Free
36.25
36.25
100 Free
37.58
1:13.83
100 Free
1:13.83
Free 200 Y 2:40.66 Analysis 12 06/27/2026 B BB: 2:30.89 (+9.77s | 6.1%) 4 173 1,000+ 1,000+
50 Free
35.62
35.62
100 Free
41.95
1:17.57
100 Free
1:17.57
150 Free
43.40
2:00.97
200 Free
39.69
2:40.66
100 Free
1:23.09
Back 50 Y 42.77 12 06/27/2026 B: 38.79 (+3.98s | 9.3%) 4 439 1,000+ 1,000+
Back 100 Y 1:31.48 Analysis 12 06/27/2026 B: 1:26.59 (+4.89s | 5.3%) 4 344 1,000+ 1,000+
50 Back
46.51
46.51
100 Back
44.97
1:31.48
100 Back
1:31.48
Breast 50 Y 42.90 12 06/27/2026 B BB: 40.89 (+2.01s | 4.7%) 3 186 1,000+ 1,000+
Breast 100 Y 1:37.30 Analysis 12 05/16/2026 B: 1:36.49 (+0.81s | 0.8%) 3 224 1,000+ 1,000+
50 Breast
45.21
45.21
100 Breast
52.09
1:37.30
100 Breast
1:37.30
Fly 50 Y 42.88 12 06/27/2026 B: 36.89 (+5.99s | 14.0%) 4 362 1,000+ 1,000+
IM 100 Y 1:33.22 Analysis 12 05/03/2026 B: 1:25.19 (+8.03s | 8.6%) 5 413 1,000+ 1,000+
50 IM
47.28
47.28
100 IM
45.94
1:33.22
100 IM
1:33.22
IM 200 Y 3:05.26 Analysis 12 06/27/2026 B: 3:03.89 (+1.37s | 0.7%) 4 183 1,000+ 1,000+
50 Fly
46.08
46.08
100 Back
46.92
1:33.00
100 IM
1:33.00
150 Breast
52.89
2:25.89
200 Free
39.37
3:05.26
100 IM
1:32.26

Long course distance

Event Time Age Date Standard Next Standard Montrose Marlins Swim Club Colorado Swimming Western Zone USA
Free 50 M 36.14 12 07/10/2026 B BB: 35.89 (+0.25s | 0.7%) 3 201 1,000+ 1,000+
Free 100 M 1:17.56 Analysis 12 07/10/2026 BB A: 1:13.39 (+4.17s | 5.4%) 2 130 935 1,000+
50 Free
37.08
37.08
100 Free
40.48
1:17.56
100 Free
1:17.56
Free 200 M 2:56.68 Analysis 12 07/10/2026 B BB: 2:53.09 (+3.59s | 2.0%) 2 141 1,000+ 1,000+
50 Free
40.93
40.93
100 Free
47.70
1:28.63
100 Free
1:28.63
150 Free
47.67
2:16.30
200 Free
40.38
2:56.68
100 Free
1:28.05
Back 50 M 46.28 12 07/10/2026 B: 44.79 (+1.49s | 3.2%) 2 294 1,000+ 1,000+
Back 100 M 1:39.83 Analysis 12 06/18/2026 B BB: 1:32.69 (+7.14s | 7.2%) 3 254 1,000+ 1,000+
50 Back
50.24
50.24
100 Back
49.59
1:39.83
100 Back
1:39.83
Breast 50 M 48.77 12 06/18/2026 B BB: 46.19 (+2.58s | 5.3%) 2 170 1,000+ 1,000+
Breast 100 M 1:46.60 Analysis 12 07/10/2026 B BB: 1:42.19 (+4.41s | 4.1%) 2 157 1,000+ 1,000+
50 Breast
50.32
50.32
100 Breast
56.28
1:46.60
100 Breast
1:46.60
Breast 200 M 3:46.36 Analysis 12 07/10/2026 B BB: 3:39.89 (+6.47s | 2.9%) 2 110 523 1,000+
50 Breast
51.85
51.85
100 Breast
58.28
1:50.13
100 Breast
1:50.13
150 Breast
58.56
2:48.69
200 Breast
57.67
3:46.36
100 Breast
1:56.23
Fly 50 M 52.43 12 07/10/2026 B: 41.79 (+10.64s | 20.3%) 3 353 1,000+ 1,000+
IM 200 M 3:26.96 Analysis 12 07/10/2026 B BB: 3:15.59 (+11.37s | 5.5%) 2 179 1,000+ 1,000+
50 Fly
54.29
54.29
100 Back
53.47
1:47.76
100 IM
1:47.76
150 Breast
57.44
2:45.20
200 Free
41.76
3:26.96
100 IM
1:39.20

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