Karina XU

Age: 9 years old
Age Category: 10 & under
Team: Nation's Capital Swim Club | Potomac Valley Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Nation's Capital Swim Club

Potomac Valley Swimming

Eastern Zone

USA

Free 50 Y

34.68

02/27/2026

A: 32.09 (+2.59s | 7.5%)

236

950

1,000+

Free 100 Y

1:24.24

10/10/2025

BB: 1:21.09 (+3.15s | 3.7%)

403

1,000+

50 Free

41.04

100 Free

43.20

1:24.24

100 Free

1:24.24

Free 200 Y

3:04.99

11/14/2025

BB: 3:00.59 (+4.40s | 2.4%)

250

1,000+

50 Free

43.56

100 Free

48.24

1:31.80

100 Free

1:31.80

150 Free

49.00

2:20.80

200 Free

44.19

3:04.99

100 Free

1:33.19

Back 50 Y

39.72

02/27/2026

A: 37.99 (+1.73s | 4.4%)

178

687

1,000+

Back 100 Y

1:26.84

11/14/2025

A: 1:22.29 (+4.55s | 5.2%)

162

675

1,000+

50 Back

41.37

100 Back

45.47

1:26.84

100 Back

1:26.84

Breast 50 Y

48.10

02/27/2026

A: 42.79 (+5.31s | 11.0%)

338

1,000+

Breast 100 Y

1:46.52

01/10/2026

A: 1:33.59 (+12.93s | 12.1%)

314

1,000+

50 Breast

48.74

100 Breast

57.78

1:46.52

100 Breast

1:46.52

Fly 50 Y

44.46

01/10/2026

BB: 42.69 (+1.77s | 4.0%)

414

1,000+

IM 100 Y

1:34.26

02/27/2026

BB: 1:33.19 (+1.07s | 1.1%)

391

1,000+

50 IM

42.22

100 IM

52.04

1:34.26

100 IM

1:34.26

IM 200 Y

3:15.41

01/10/2026

A: 2:55.49 (+19.92s | 10.2%)

180

704

1,000+

50 Fly

44.99

100 Back

47.86

1:32.85

100 IM

1:32.85

150 Breast

59.49

2:32.34

200 Free

43.07

3:15.41

100 IM

1:42.56

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Nation's Capital Swim Club	Potomac Valley Swimming	Eastern Zone	USA

Above are the fastest times that Karina XU has achieved in her swimming career. For each event, you can find Karina's best time, the corresponding time standard, as well as how much faster Karina needs to be to reach the next level. The last columns provide Karina rankings at the team and LSC levels. These rankings are based on the Karina'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	34.68	24.89 (+9.79s \| 28.2%)	23.89 (+10.79s \| 31.1%)	23.89 (+10.79s \| 31.1%)	23.29 (+11.39s \| 32.8%)	22.59 (+12.09s \| 34.9%)	22.79 (+11.89s \| 34.3%)	30.89 (+3.79s \| 10.9%)
Free 100 Y	1:24.24	53.99 (+30.25s \| 35.9%)	51.89 (+32.35s \| 38.4%)	51.89 (+32.35s \| 38.4%)	50.39 (+33.85s \| 40.2%)	49.29 (+34.95s \| 41.5%)	49.69 (+34.55s \| 41.0%)	1:08.19 (+16.05s \| 19.1%)
Free 200 Y	3:04.99	1:56.29 (+68.70s \| 37.1%)	1:52.89 (+72.10s \| 39.0%)	1:52.29 (+72.70s \| 39.3%)	1:49.09 (+75.90s \| 41.0%)	1:46.69 (+78.30s \| 42.3%)	1:47.39 (+77.60s \| 41.9%)	2:29.09 (+35.90s \| 19.4%)
Back 50 Y	39.72	N/A	N/A	N/A	N/A	N/A	N/A	36.49 (+3.23s \| 8.1%)
Back 100 Y	1:26.84	59.49 (+27.35s \| 31.5%)	57.09 (+29.75s \| 34.3%)	57.09 (+29.75s \| 34.3%)	55.09 (+31.75s \| 36.6%)	53.89 (+32.95s \| 37.9%)	54.49 (+32.35s \| 37.3%)	1:17.89 (+8.95s \| 10.3%)
Breast 50 Y	48.10	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+7.71s \| 16.0%)
Breast 100 Y	1:46.52	1:07.59 (+38.93s \| 36.5%)	1:05.49 (+41.03s \| 38.5%)	1:05.49 (+41.03s \| 38.5%)	1:03.09 (+43.43s \| 40.8%)	1:01.79 (+44.73s \| 42.0%)	1:02.79 (+43.73s \| 41.1%)	1:27.99 (+18.53s \| 17.4%)
Fly 50 Y	44.46	N/A	N/A	N/A	N/A	N/A	N/A	35.09 (+9.37s \| 21.1%)
IM 100 Y	1:34.26	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+16.57s \| 17.6%)
IM 200 Y	3:15.41	2:10.49 (+64.92s \| 33.2%)	2:06.39 (+69.02s \| 35.3%)	2:06.39 (+69.02s \| 35.3%)	2:02.19 (+73.22s \| 37.5%)	1:59.49 (+75.92s \| 38.9%)	2:00.59 (+74.82s \| 38.3%)	2:46.49 (+28.92s \| 14.8%)

Long Course Distance

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

Progression

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

Select the distance and stroke

Compare with another swimmer

View this profile

Meets

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 Cherry Blossom Champs

02/27/2026

Laurel

50 Y Free

34.68

-0.25s (New PB)

A: 32.09 (+2.59s | 7.5%)

50 Y Back

39.72

-0.85s (New PB)

A: 37.99 (+1.73s | 4.4%)

50 Y Breast

48.10

-0.36s (New PB)

A: 42.79 (+5.31s | 11.0%)

100 Y IM

1:34.26

-0.75s (New PB)

BB: 1:33.19 (+1.07s | 1.1%)

50 IM

42.22

100 IM

52.04

1:34.26

100 IM

1:34.26

100 Y Back

1:29.52

+2.68s

A: 1:22.29 (+7.23s | 8.1%)

50 Back

42.85

100 Back

46.67

1:29.52

100 Back

1:29.52

100 Y Breast

1:47.98

+1.46s

BB: 1:46.89 (+1.09s | 1.0%)

2026 VSTP Polar Plunge

01/10/2026

Warrenton

50 Y Fly

44.46

-1.49s (New PB)

BB: 42.69 (+1.77s | 4.0%)

100 Y Breast

1:46.52

-4.18s (New PB)

A: 1:33.59 (+12.93s | 12.1%)

50 Breast

48.74

100 Breast

57.78

1:46.52

100 Breast

1:46.52

50 Y Free

34.93

-1.08s (New PB)

A: 32.09 (+2.84s | 8.1%)

200 Y IM

3:15.41

-9.63s (New PB)

A: 2:55.49 (+19.92s | 10.2%)

50 Fly

44.99

100 Back

47.86

1:32.85

100 IM

1:32.85

150 Breast

59.49

2:32.34

200 Free

43.07

3:15.41

100 IM

1:42.56

50 Y Breast

48.46

-1.18s (New PB)

A: 42.79 (+5.67s | 11.7%)

2025 RAYS Nutcracker Classic Copied

12/04/2025

Stafford

50 Y Free

36.89

+0.88s

BB: 35.99 (+0.90s | 2.4%)

100 Y IM

1:35.01

-1.92s (New PB)

BB: 1:33.19 (+1.82s | 1.9%)

50 IM

42.95

100 IM

52.06

1:35.01

100 IM

1:35.01

100 Y Back

1:31.25

+4.41s

A: 1:22.29 (+8.96s | 9.8%)

50 Back

46.11

100 Back

45.14

1:31.25

100 Back

1:31.25

2025 PV November Open Dulles South

11/14/2025

South Riding

100 Y Back

1:26.84

A: 1:22.29 (+4.55s | 5.2%)

50 Back

41.37

100 Back

45.47

1:26.84

100 Back

1:26.84

200 Y Free

3:04.99

BB: 3:00.59 (+4.40s | 2.4%)

50 Free

43.56

100 Free

48.24

1:31.80

100 Free

1:31.80

150 Free

49.00

2:20.80

200 Free

44.19

3:04.99

100 Free

1:33.19

200 Y IM

3:25.04

BB: 3:18.79 (+6.25s | 3.0%)

50 Fly

48.89

100 Back

48.31

1:37.20

100 IM

1:37.20

150 Breast

1:04.07

2:41.27

200 Free

43.77

3:25.04

100 IM

1:47.84

50 Y Fly

46.82

+0.87s

BB: 42.69 (+4.13s | 8.8%)

2025 PV October Open Claude Moore

10/10/2025

Sterling

50 Y Breast

49.64

BB: 48.69 (+0.95s | 1.9%)

50 Y Back

40.57

A: 37.99 (+2.58s | 6.4%)

100 Y IM

1:36.93

BB: 1:33.19 (+3.74s | 3.9%)

50 IM

45.50

100 IM

51.43

1:36.93

100 IM

1:36.93

50 Y Fly

45.95

BB: 42.69 (+3.26s | 7.1%)

100 Y Breast

1:50.70

BB: 1:46.89 (+3.81s | 3.4%)

50 Breast

53.89

100 Breast

56.81

1:50.70

100 Breast

1:50.70

50 Y Free

36.01

BB: 35.99 (+0.02s | 0.1%)

100 Y Free

1:24.24

BB: 1:21.09 (+3.15s | 3.7%)

50 Free

41.04

100 Free

43.20

1:24.24

100 Free

1:24.24

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.