Katherine Carlstrom

Age: 15 years old
Age Category: 15-16
Team: COSA Swimming | Colorado Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

COSA Swimming

Colorado Swimming

Western Zone

USA

Free 50 Y

28.63

02/13/2026

A: 27.29 (+1.34s | 4.7%)

290

1,000+

Free 100 Y

1:05.19

02/13/2026

BB: 1:03.79 (+1.40s | 2.1%)

352

1,000+

50 Free

30.69

100 Free

34.50

1:05.19

100 Free

1:05.19

Free 200 Y

2:32.17

02/14/2025

B: 2:28.99 (+3.18s | 2.1%)

346

1,000+

50 Free

35.71

100 Free

39.36

1:15.07

100 Free

1:15.07

150 Free

39.84

1:54.91

200 Free

37.26

2:32.17

100 Free

1:17.10

Back 50 Y

34.50

03/08/2025

155

1,000+

Back 100 Y

1:13.14

02/13/2026

BB: 1:09.39 (+3.75s | 5.1%)

267

1,000+

50 Back

35.88

100 Back

37.26

1:13.14

100 Back

1:13.14

Breast 100 Y

1:37.35

02/14/2025

B: 1:25.89 (+11.46s | 11.8%)

402

1,000+

Fly 50 Y

36.63

03/08/2025

179

1,000+

IM 200 Y

3:02.17

10/26/2024

B: 2:46.19 (+15.98s | 8.8%)

374

1,000+

50 Fly

39.92

100 Back

48.24

1:28.16

100 IM

1:28.16

150 Breast

54.20

2:22.36

200 Free

39.81

3:02.17

100 IM

1:34.01

Long course distance

Event

Time

Age

Date

Standard

Next Standard

COSA Swimming

Colorado Swimming

Western Zone

USA

Free 50 M

34.10

07/12/2025

BB: 33.49 (+0.61s | 1.8%)

263

1,000+

Free 100 M

1:16.56

07/12/2025

BB: 1:12.79 (+3.77s | 4.9%)

288

1,000+

50 Free

36.06

100 Free

40.50

1:16.56

100 Free

1:16.56

Free 200 M

2:55.53

07/12/2025

B: 2:49.19 (+6.34s | 3.6%)

263

1,000+

100 Free

1:25.01

100 Free

1:25.01

200 Free

1:30.52

2:55.53

100 Free

1:30.52

Back 50 M

53.05

06/25/2021

208

1,000+

Back 100 M

2:10.39

06/25/2021

B: 1:26.89 (+43.50s | 33.4%)

314

1,000+

50 Back

1:01.78

100 Back

1:08.61

2:10.39

100 Back

2:10.39

Breast 50 M

1:11.48

06/25/2021

181

1,000+

Breast 100 M

1:50.77

07/12/2025

B: 1:38.59 (+12.18s | 11.0%)

246

1,000+

50 Breast

52.96

100 Breast

57.81

1:50.77

100 Breast

1:50.77

Fly 50 M

1:06.67

06/25/2021

187

1,000+

Above are the fastest times that Katherine Carlstrom has achieved in her swimming career. For each event, you can find Katherine's best time, the corresponding time standard, as well as how much faster Katherine needs to be to reach the next level. The last columns provide Katherine rankings at the team and LSC levels. These rankings are based on the Katherine's personal best, her current age category, and team; and are calculated from all the meets results.

Time Standards

Got the currrent age group time standard
Time standard for the next age group and the gap to reach it
Got the next age group’s time standard.

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 Y	28.63	24.89 (+3.74s \| 13.1%)	23.89 (+4.74s \| 16.6%)	23.89 (+4.74s \| 16.6%)	23.29 (+5.34s \| 18.7%)	22.59 (+6.04s \| 21.1%)	22.79 (+5.84s \| 20.4%)
Free 100 Y	1:05.19	53.99 (+11.20s \| 17.2%)	51.89 (+13.30s \| 20.4%)	51.89 (+13.30s \| 20.4%)	50.39 (+14.80s \| 22.7%)	49.29 (+15.90s \| 24.4%)	49.69 (+15.50s \| 23.8%)
Free 200 Y	2:32.17	1:56.29 (+35.88s \| 23.6%)	1:52.89 (+39.28s \| 25.8%)	1:52.29 (+39.88s \| 26.2%)	1:49.09 (+43.08s \| 28.3%)	1:46.69 (+45.48s \| 29.9%)	1:47.39 (+44.78s \| 29.4%)
Back 50 Y	34.50	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 Y	1:13.14	59.49 (+13.65s \| 18.7%)	57.09 (+16.05s \| 21.9%)	57.09 (+16.05s \| 21.9%)	55.09 (+18.05s \| 24.7%)	53.89 (+19.25s \| 26.3%)	54.49 (+18.65s \| 25.5%)
Breast 100 Y	1:37.35	1:07.59 (+29.76s \| 30.6%)	1:05.49 (+31.86s \| 32.7%)	1:05.49 (+31.86s \| 32.7%)	1:03.09 (+34.26s \| 35.2%)	1:01.79 (+35.56s \| 36.5%)	1:02.79 (+34.56s \| 35.5%)
Fly 50 Y	36.63	N/A	N/A	N/A	N/A	N/A	N/A
IM 200 Y	3:02.17	2:10.49 (+51.68s \| 28.4%)	2:06.39 (+55.78s \| 30.6%)	2:06.39 (+55.78s \| 30.6%)	2:02.19 (+59.98s \| 32.9%)	1:59.49 (+62.68s \| 34.4%)	2:00.59 (+61.58s \| 33.8%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 50 M	34.10	28.69 (+5.41s \| 15.9%)	27.39 (+6.71s \| 19.7%)	27.39 (+6.71s \| 19.7%)	26.89 (+7.21s \| 21.1%)	26.29 (+7.81s \| 22.9%)	26.59 (+7.51s \| 22.0%)
Free 100 M	1:16.56	1:01.89 (+14.67s \| 19.2%)	59.29 (+17.27s \| 22.6%)	59.29 (+17.27s \| 22.6%)	58.19 (+18.37s \| 24.0%)	56.99 (+19.57s \| 25.6%)	57.59 (+18.97s \| 24.8%)
Free 200 M	2:55.53	2:12.99 (+42.54s \| 24.2%)	2:07.79 (+47.74s \| 27.2%)	2:07.79 (+47.74s \| 27.2%)	2:04.99 (+50.54s \| 28.8%)	2:03.09 (+52.44s \| 29.9%)	2:04.29 (+51.24s \| 29.2%)
Back 50 M	53.05	N/A	N/A	N/A	N/A	N/A	N/A
Back 100 M	2:10.39	1:09.49 (+60.90s \| 46.7%)	1:06.79 (+63.60s \| 48.8%)	1:06.79 (+63.60s \| 48.8%)	1:04.79 (+65.60s \| 50.3%)	1:03.69 (+66.70s \| 51.2%)	1:04.39 (+66.00s \| 50.6%)
Breast 50 M	1:11.48	N/A	N/A	N/A	N/A	N/A	N/A
Breast 100 M	1:50.77	1:18.79 (+31.98s \| 28.9%)	1:15.99 (+34.78s \| 31.4%)	1:15.99 (+34.78s \| 31.4%)	1:13.79 (+36.98s \| 33.4%)	1:12.19 (+38.58s \| 34.8%)	1:13.29 (+37.48s \| 33.8%)
Fly 50 M	1:06.67	N/A	N/A	N/A	N/A	N/A	N/A

Progression

See how Katherine Carlstrom is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Katherine's time to another swimmer's and even view their profile for more information about them.

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Meets

See all the meets Katherine Carlstrom has participated in and her achievement. The last event displayed is the most recent. For each event, you can find the Katherine's time, the progress against Katherine's best time, the corresponding time standard, as well as how much faster Katherine needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 CO Valentine Open

02/13/2026

Colorado Springs

100 Y Free

1:05.19

-3.26s (New PB)

BB: 1:03.79 (+1.40s | 2.1%)

50 Free

30.69

100 Free

34.50

1:05.19

100 Free

1:05.19

100 Y Back

1:13.14

-9.73s (New PB)

BB: 1:09.39 (+3.75s | 5.1%)

50 Back

35.88

100 Back

37.26

1:13.14

100 Back

1:13.14

50 Y Free

28.63

-1.34s (New PB)

A: 27.29 (+1.34s | 4.7%)

2025 CO Southern Colorado LC Championship

07/12/2025

U.S. Air Force Acade

200 M Free

2:55.53

B: 2:55.29 (+0.24s | 0.1%)

100 Free

1:25.01

100 Free

1:25.01

200 Free

1:30.52

2:55.53

100 Free

1:30.52

100 M Free

1:16.56

-34.89s (New PB)

BB: 1:15.39 (+1.17s | 1.5%)

50 Free

36.06

100 Free

40.50

1:16.56

100 Free

1:16.56

100 M Breast

1:50.77

B: 1:42.39 (+8.38s | 7.6%)

50 Breast

52.96

100 Breast

57.81

1:50.77

100 Breast

1:50.77

50 M Free

34.10

-9.61s (New PB)

A: 31.89 (+2.21s | 6.5%)

2025 CO Zone 5 Championships

03/08/2025

Air Force Academy

50 Y Back

34.50

-3.64s (New PB)

50 Y Free

30.24

+0.27s

BB: 30.19 (+0.05s | 0.2%)

50 Y Fly

36.63

2025 CO COSA Valentine Open

02/14/2025

Colorado Springs

50 Y Free

29.97

-1.32s (New PB)

A: 27.89 (+2.08s | 6.9%)

200 Y Free

2:32.17

-9.83s (New PB)

BB: 2:22.69 (+9.48s | 6.2%)

50 Free

35.71

100 Free

39.36

1:15.07

100 Free

1:15.07

150 Free

39.84

1:54.91

200 Free

37.26

2:32.17

100 Free

1:17.10

100 Y Breast

1:37.35

B: 1:28.69 (+8.66s | 8.9%)

100 Y Free

1:08.45

BB: 1:05.89 (+2.56s | 3.7%)

50 Free

32.35

100 Free

36.10

1:08.45

100 Free

1:08.45

College Dual Meet

10/26/2024

USAFA

50 Y Back

38.14

50 Y Free

31.29

-0.37s (New PB)

BB: 30.19 (+1.10s | 3.5%)

200 Y IM

3:02.17

B: 2:51.79 (+10.38s | 5.7%)

50 Fly

39.92

100 Back

48.24

1:28.16

100 IM

1:28.16

150 Breast

54.20

2:22.36

200 Free

39.81

3:02.17

100 IM

1:34.01

2024 CO Gian Luc Jordan Open

10/11/2024

Colorado Springs

50 Y Free

31.66

BB: 30.19 (+1.47s | 4.6%)

100 Y Back

1:22.87

B: 1:16.89 (+5.98s | 7.2%)

50 Back

39.82

100 Back

43.05

1:22.87

100 Back

1:22.87

200 Y Free

2:42.00

B: 2:33.59 (+8.41s | 5.2%)

50 Free

37.59

100 Free

43.40

1:20.99

100 Free

1:20.99

150 Free

42.17

2:03.16

200 Free

38.84

2:42.00

100 Free

1:21.01

2021 Mt Rushmore Classic

06/25/2021

Rapid City

100 M Back

2:10.39

B: 2:01.59 (+8.80s | 6.7%)

50 Back

1:01.78

100 Back

1:08.61

2:10.39

100 Back

2:10.39

100 M Free

1:51.45

B: 1:44.09 (+7.36s | 6.6%)

50 Free

51.16

100 Free

1:00.29

1:51.45

100 Free

1:51.45

50 M Breast

1:11.48

B: 1:02.19 (+9.29s | 13.0%)

50 M Free

43.71

BB: 40.89 (+2.82s | 6.5%)

50 M Fly

1:06.67

B: 54.49 (+12.18s | 18.3%)

50 M Back

53.05

BB: 49.69 (+3.36s | 6.3%)

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.