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Martina Guerrero-Isaza

Age: 12 years old
Age Category: 11-12
Team: Tollefson Swimming | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Tollefson Swimming Potomac Valley Swimming Eastern Zone USA
Free 50 Y 31.88 12 02/27/2026 B BB: 31.69 (+0.19s | 0.6%) 21 508 1,000+ 1,000+
Free 100 Y 1:12.60 12 02/27/2026 B BB: 1:09.39 (+3.21s | 4.4%) 23 552 1,000+ 1,000+
50 Free
33.51
33.51
100 Free
39.09
1:12.60
100 Free
1:12.60
Free 200 Y 2:45.71 12 12/04/2025 B: 2:42.59 (+3.12s | 1.9%) 21 516 1,000+ 1,000+
50 Free
35.95
35.95
100 Free
41.37
1:17.32
100 Free
1:17.32
150 Free
44.29
2:01.61
200 Free
44.10
2:45.71
100 Free
1:28.39
Free 500 Y 7:09.44 12 02/27/2026 B BB: 6:45.69 (+23.75s | 5.5%) 18 377 1,000+ 1,000+
50 Free
34.62
34.62
100 Free
40.47
1:15.09
100 Free
1:15.09
150 Free
42.59
1:57.68
200 Free
44.29
2:41.97
100 Free
1:26.88
250 Free
44.93
3:26.90
300 Free
44.93
4:11.83
100 Free
1:29.86
350 Free
45.36
4:57.19
400 Free
45.66
5:42.85
100 Free
1:31.02
450 Free
45.84
6:28.69
500 Free
40.75
7:09.44
100 Free
1:26.59
Back 50 Y 40.08 12 01/17/2026 B: 38.79 (+1.29s | 3.2%) 21 663 1,000+ 1,000+
Back 100 Y 1:24.19 12 02/27/2026 B BB: 1:19.79 (+4.40s | 5.2%) 18 510 1,000+ 1,000+
50 Back
40.19
40.19
100 Back
44.00
1:24.19
100 Back
1:24.19
Breast 50 Y 40.00 12 02/27/2026 BB A: 37.69 (+2.31s | 5.8%) 14 264 891 1,000+
Breast 100 Y 1:26.63 12 02/27/2026 BB A: 1:22.19 (+4.44s | 5.1%) 12 251 823 1,000+
50 Breast
39.90
39.90
100 Breast
46.73
1:26.63
100 Breast
1:26.63
Breast 200 Y 3:20.43 12 11/14/2025 B BB: 3:10.99 (+9.44s | 4.7%) 13 274 947 1,000+
50 Breast
47.77
47.77
100 Breast
48.81
1:36.58
100 Breast
1:36.58
150 Breast
53.28
2:29.86
200 Breast
50.57
3:20.43
100 Breast
1:43.85
Fly 50 Y 38.95 12 11/14/2025 B: 36.89 (+2.06s | 5.3%) 21 622 1,000+ 1,000+
Fly 100 Y 1:30.94 12 11/14/2025 B: 1:25.79 (+5.15s | 5.7%) 19 436 1,000+ 1,000+
50 Fly
40.40
40.40
100 Fly
50.54
1:30.94
100 Fly
1:30.94
IM 100 Y 1:21.98 12 02/27/2026 B BB: 1:19.09 (+2.89s | 3.5%) 19 488 1,000+ 1,000+
50 IM
38.32
38.32
100 IM
43.66
1:21.98
100 IM
1:21.98
IM 200 Y 2:53.14 12 02/27/2026 B BB: 2:50.69 (+2.45s | 1.4%) 15 325 1,000+ 1,000+
50 Fly
38.02
38.02
100 Back
44.60
1:22.62
100 IM
1:22.62
150 Breast
48.51
2:11.13
200 Free
42.01
2:53.14
100 IM
1:30.52

Long course distance

Event Time Age Date Standard Next Standard Tollefson Swimming Potomac Valley Swimming Eastern Zone USA

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