Charlotte Xiao

Age: 12 years old
Age Category: 11-12
Team: Rockville Montgomery Swim Club | Potomac Valley Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Rockville Montgomery Swim Club

Potomac Valley Swimming

Eastern Zone

USA

Free 50 Y

41.48

12

01/16/2026

B: 33.99 (+7.49s | 18.1%)

169

1,000+

Free 100 Y

1:34.97

Analysis

12

03/20/2026

B: 1:14.69 (+20.28s | 21.4%)

177

1,000+

50 Free

43.68

100 Free

51.29

1:34.97

100 Free

1:34.97

Back 50 Y

50.30

12

01/16/2026

B: 38.79 (+11.51s | 22.9%)

154

1,000+

Breast 50 Y

46.72

12

11/14/2025

B: 43.99 (+2.73s | 5.8%)

127

777

1,000+

Breast 100 Y

1:41.50

Analysis

12

10/17/2025

B: 1:36.49 (+5.01s | 4.9%)

112

704

1,000+

50 Breast

48.28

100 Breast

53.22

1:41.50

100 Breast

1:41.50

Breast 200 Y

3:41.44

Analysis

12

03/20/2026

B: 3:25.69 (+15.75s | 7.1%)

58

400

1,000+

50 Breast

47.96

100 Breast

55.55

1:43.51

100 Breast

1:43.51

150 Breast

1:00.00

2:43.51

200 Breast

57.93

3:41.44

100 Breast

1:57.93

Fly 50 Y

48.78

12

10/17/2025

B: 36.89 (+11.89s | 24.4%)

162

1,000+

IM 100 Y

1:42.48

Analysis

12

01/16/2026

B: 1:25.19 (+17.29s | 16.9%)

164

1,000+

50 IM

50.60

100 IM

51.88

1:42.48

100 IM

1:42.48

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Rockville Montgomery Swim Club	Potomac Valley Swimming	Eastern Zone	USA

Above are the fastest times that Charlotte Xiao has achieved in her swimming career. For each event, you can find Charlotte's best time, the corresponding time standard, as well as how much faster Charlotte needs to be to reach the next level. The last columns provide Charlotte rankings at the team and LSC levels. These rankings are based on the Charlotte'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	SouthWestern Age Group Regional
Free 50 Y	41.48	24.89 (+16.59s \| 40.0%)	23.89 (+17.59s \| 42.4%)	23.89 (+17.59s \| 42.4%)	23.29 (+18.19s \| 43.9%)	22.59 (+18.89s \| 45.5%)	22.79 (+18.69s \| 45.1%)	28.49 (+12.99s \| 31.3%)
Free 100 Y	1:34.97	53.99 (+40.98s \| 43.2%)	51.89 (+43.08s \| 45.4%)	51.89 (+43.08s \| 45.4%)	50.39 (+44.58s \| 46.9%)	49.29 (+45.68s \| 48.1%)	49.69 (+45.28s \| 47.7%)	1:00.49 (+34.48s \| 36.3%)
Back 50 Y	50.30	N/A	N/A	N/A	N/A	N/A	N/A	32.19 (+18.11s \| 36.0%)
Breast 50 Y	46.72	N/A	N/A	N/A	N/A	N/A	N/A	36.19 (+10.53s \| 22.5%)
Breast 100 Y	1:41.50	1:07.59 (+33.91s \| 33.4%)	1:05.49 (+36.01s \| 35.5%)	1:05.49 (+36.01s \| 35.5%)	1:03.09 (+38.41s \| 37.8%)	1:01.79 (+39.71s \| 39.1%)	1:02.79 (+38.71s \| 38.1%)	1:18.19 (+23.31s \| 23.0%)
Breast 200 Y	3:41.44	2:28.19 (+73.25s \| 33.1%)	2:22.69 (+78.75s \| 35.6%)	2:22.69 (+78.75s \| 35.6%)	2:17.19 (+84.25s \| 38.0%)	2:13.59 (+87.85s \| 39.7%)	2:15.49 (+85.95s \| 38.8%)	2:49.19 (+52.25s \| 23.6%)
Fly 50 Y	48.78	N/A	N/A	N/A	N/A	N/A	N/A	30.89 (+17.89s \| 36.7%)
IM 100 Y	1:42.48	N/A	N/A	N/A	N/A	N/A	N/A	1:10.09 (+32.39s \| 31.6%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional

Progression

See how Charlotte Xiao is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Charlotte'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 Charlotte Xiao has participated in and her achievement. The last event displayed is the most recent. For each event, you can find the Charlotte's time, the progress against Charlotte's best time, the corresponding time standard, as well as how much faster Charlotte needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 RMSC Spring Finale

03/20/2026

Boyds

200 Y Breast

3:41.44

-1.65s (New PB)

B: 3:25.69 (+15.75s | 7.1%)

12

1

6

4

50 Breast

47.96

100 Breast

55.55

1:43.51

100 Breast

1:43.51

150 Breast

1:00.00

2:43.51

200 Breast

57.93

3:41.44

100 Breast

1:57.93

100 Y Free

1:34.97

-0.70s (New PB)

B: 1:14.69 (+20.28s | 21.4%)

12

1

7

50 Free

43.68

100 Free

51.29

1:34.97

100 Free

1:34.97

50 Y Back

50.84

+0.54s

B: 38.79 (+12.05s | 23.7%)

12

1

4

2

2026 RMSC January Intrasquad Meet

01/16/2026

Boyds

50 Y Breast

47.66

+0.94s

B: 43.99 (+3.67s | 7.7%)

12

2

6

3

50 Y Free

41.48

B: 33.99 (+7.49s | 18.1%)

12

1

4

100 Y IM

1:42.48

-2.86s (New PB)

B: 1:25.19 (+17.29s | 16.9%)

12

1

2

3

50 IM

50.60

100 IM

51.88

1:42.48

100 IM

1:42.48

50 Y Back

50.30

-2.16s (New PB)

B: 38.79 (+11.51s | 22.9%)

12

2

8

3

100 Y Breast

1:44.76

+3.26s

B: 1:36.49 (+8.27s | 7.9%)

12

2

6

4

50 Breast

49.17

100 Breast

55.59

1:44.76

100 Breast

1:44.76

100 Y Free

1:35.67

-9.80s (New PB)

B: 1:14.69 (+20.98s | 21.9%)

12

2

1

3

50 Free

44.64

100 Free

51.03

1:35.67

100 Free

1:35.67

2025 RMSC November Dual Meet

11/14/2025

Boyds

50 Y Breast

46.72

-0.51s (New PB)

B: 43.99 (+2.73s | 5.8%)

12

3

5

6

200 Y Breast

3:43.09

B: 3:25.69 (+17.40s | 7.8%)

12

2

8

2

50 Breast

49.02

100 Breast

57.07

1:46.09

100 Breast

1:46.09

150 Breast

59.46

2:45.55

200 Breast

57.54

3:43.09

100 Breast

1:57.00

2025 RMSC October Kick Off Classic

10/17/2025

Boyds

100 Y IM

1:45.34

B: 1:25.19 (+20.15s | 19.1%)

11

2

3

6

50 IM

50.97

100 IM

54.37

1:45.34

100 IM

1:45.34

100 Y Free

1:45.47

B: 1:14.69 (+30.78s | 29.2%)

11

2

8

50 Free

48.12

100 Free

57.35

1:45.47

100 Free

1:45.47

50 Y Fly

48.78

B: 36.89 (+11.89s | 24.4%)

11

1

5

50 Y Back

52.46

B: 38.79 (+13.67s | 26.1%)

11

2

3

9

50 Y Breast

47.23

B: 43.99 (+3.24s | 6.9%)

11

4

7

6

100 Y Breast

1:41.50

B: 1:36.49 (+5.01s | 4.9%)

11

2

5

8

50 Breast

48.28

100 Breast

53.22

1:41.50

100 Breast

1:41.50