Zhenxu Song

Age: 13 years old
Age Category: 13-14
Team: Rosemead Rapids | Southern California Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

Rosemead Rapids

Free 50 Y

26.61

03/13/2025

A: 25.59 (+1.02s | 3.8%)

258

Breast 100 Y

1:03.09

12/12/2025

AAA

AAAA: 1:00.39 (+2.70s | 4.3%)

50 Breast

29.95

100 Breast

33.14

1:03.09

100 Breast

1:03.09

Breast 200 Y

2:21.97

12/12/2025

AAA: 2:17.39 (+4.58s | 3.2%)

50 Breast

32.11

100 Breast

35.25

1:07.36

100 Breast

1:07.36

150 Breast

36.84

1:44.20

200 Breast

37.77

2:21.97

100 Breast

1:14.61

Fly 100 Y

1:02.55

12/12/2025

A: 1:00.39 (+2.16s | 3.5%)

147

50 Fly

29.62

100 Fly

32.93

1:02.55

100 Fly

1:02.55

IM 200 Y

2:13.34

12/12/2025

AA: 2:09.79 (+3.55s | 2.7%)

100

50 Fly

28.70

100 Back

35.20

1:03.90

100 IM

1:03.90

150 Breast

37.60

1:41.50

200 Free

31.84

2:13.34

100 IM

1:09.44

IM 400 Y

4:42.75

12/12/2025

AA: 4:37.39 (+5.36s | 1.9%)

50 Fly

29.50

100 Fly

34.95

1:04.45

100 Fly

1:04.45

150 Back

38.03

1:42.48

200 Back

37.10

2:19.58

100 Back

1:15.13

250 Breast

38.40

2:57.98

300 Breast

38.21

3:36.19

100 Breast

1:16.61

350 Free

33.98

4:10.17

400 Free

32.58

4:42.75

100 Free

1:06.56

Long course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

Rosemead Rapids

Free 50 M

30.64

06/13/2024

A: 29.39 (+1.25s | 4.1%)

239

Breast 100 M

1:20.19

07/25/2024

AA: 1:16.99 (+3.20s | 4.0%)

50 Breast

38.44

100 Breast

41.75

1:20.19

100 Breast

1:20.19

Fly 100 M

1:17.94

06/13/2024

BB: 1:14.59 (+3.35s | 4.3%)

176

50 Fly

36.22

100 Fly

41.72

1:17.94

100 Fly

1:17.94

IM 200 M

2:46.11

07/25/2024

A: 2:36.69 (+9.42s | 5.7%)

155

Above are the fastest times that Zhenxu Song has achieved in his swimming career. For each event, you can find Zhenxu's best time, the corresponding time standard, as well as how much faster Zhenxu needs to be to reach the next level. The last columns provide Zhenxu rankings at the team and LSC levels. These rankings are based on the Zhenxu's personal best, his 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	26.61	22.19 (+4.42s \| 16.6%)	21.29 (+5.32s \| 20.0%)	21.29 (+5.32s \| 20.0%)	20.59 (+6.02s \| 22.6%)	20.09 (+6.52s \| 24.5%)	20.39 (+6.22s \| 23.4%)	26.29 (+0.32s \| 1.2%)
Breast 100 Y	1:03.09	1:00.89 (+2.20s \| 3.5%)	57.99 (+5.10s \| 8.1%)	57.99 (+5.10s \| 8.1%)	55.89 (+7.20s \| 11.4%)	54.19 (+8.90s \| 14.1%)	55.29 (+7.80s \| 12.4%)	1:01.79 (+1.30s \| 2.1%)
Breast 200 Y	2:21.97	2:13.29 (+8.68s \| 6.1%)	2:07.99 (+13.98s \| 9.8%)	2:07.99 (+13.98s \| 9.8%)	2:02.29 (+19.68s \| 13.9%)	1:58.79 (+23.18s \| 16.3%)	2:00.99 (+20.98s \| 14.8%)	2:17.39 (+4.58s \| 3.2%)
Fly 100 Y	1:02.55	52.89 (+9.66s \| 15.4%)	50.59 (+11.96s \| 19.1%)	50.59 (+11.96s \| 19.1%)	48.99 (+13.56s \| 21.7%)	47.79 (+14.76s \| 23.6%)	48.39 (+14.16s \| 22.6%)	N/A
IM 200 Y	2:13.34	1:58.19 (+15.15s \| 11.4%)	1:53.89 (+19.45s \| 14.6%)	1:53.89 (+19.45s \| 14.6%)	1:50.09 (+23.25s \| 17.4%)	1:46.39 (+26.95s \| 20.2%)	1:48.89 (+24.45s \| 18.3%)	2:18.59 2:13.09 (+0.25s \| 0.2%)
IM 400 Y	4:42.75	4:14.69 (+28.06s \| 9.9%)	4:06.99 (+35.76s \| 12.6%)	4:06.99 (+35.76s \| 12.6%)	3:57.59 (+45.16s \| 16.0%)	3:48.79 (+53.96s \| 19.1%)	3:52.69 (+50.06s \| 17.7%)	4:55.29 4:43.39

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	30.64	25.89 (+4.75s \| 15.5%)	24.59 (+6.05s \| 19.7%)	24.59 (+6.05s \| 19.7%)	24.29 (+6.35s \| 20.7%)	23.39 (+7.25s \| 23.7%)	23.79 (+6.85s \| 22.4%)	30.19 (+0.45s \| 1.5%)
Breast 100 M	1:20.19	1:11.29 (+8.90s \| 11.1%)	1:08.19 (+12.00s \| 15.0%)	1:08.19 (+12.00s \| 15.0%)	1:06.59 (+13.60s \| 17.0%)	1:04.09 (+16.10s \| 20.1%)	1:05.29 (+14.90s \| 18.6%)	1:21.99 1:17.89 (+2.30s \| 2.9%)
Fly 100 M	1:17.94	1:00.89 (+17.05s \| 21.9%)	57.99 (+19.95s \| 25.6%)	57.99 (+19.95s \| 25.6%)	57.09 (+20.85s \| 26.8%)	55.09 (+22.85s \| 29.3%)	55.99 (+21.95s \| 28.2%)	1:10.69 (+7.25s \| 9.3%)
IM 200 M	2:46.11	2:18.39 (+27.72s \| 16.7%)	2:12.79 (+33.32s \| 20.1%)	2:12.79 (+33.32s \| 20.1%)	2:09.59 (+36.52s \| 22.0%)	2:05.79 (+40.32s \| 24.3%)	2:08.19 (+37.92s \| 22.8%)	2:40.19 (+5.92s \| 3.6%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 CA GWSC Winter Age Group Invitational

12/12/2025

Huntington Beach

400 Y IM

4:42.75

-4.30s (New PB)

AA: 4:37.39 (+5.36s | 1.9%)

50 Fly

29.50

100 Fly

34.95

1:04.45

100 Fly

1:04.45

150 Back

38.03

1:42.48

200 Back

37.10

2:19.58

100 Back

1:15.13

250 Breast

38.40

2:57.98

300 Breast

38.21

3:36.19

100 Breast

1:16.61

350 Free

33.98

4:10.17

400 Free

32.58

4:42.75

100 Free

1:06.56

200 Y IM

2:13.34

-0.01s (New PB)

AA: 2:09.79 (+3.55s | 2.7%)

50 Fly

28.70

100 Back

35.20

1:03.90

100 IM

1:03.90

150 Breast

37.60

1:41.50

200 Free

31.84

2:13.34

100 IM

1:09.44

100 Y Fly

1:02.55

-2.98s (New PB)

A: 1:00.39 (+2.16s | 3.5%)

50 Fly

29.62

100 Fly

32.93

1:02.55

100 Fly

1:02.55

50 Y Breast

29.25

-0.59s (New PB)

200 Y Breast

2:21.97

-1.43s (New PB)

AAA: 2:17.39 (+4.58s | 3.2%)

50 Breast

32.11

100 Breast

35.25

1:07.36

100 Breast

1:07.36

150 Breast

36.84

1:44.20

200 Breast

37.77

2:21.97

100 Breast

1:14.61

100 Y Breast

1:03.09

-0.53s (New PB)

AAA

AAAA: 1:00.39 (+2.70s | 4.3%)

50 Breast

29.95

100 Breast

33.14

1:03.09

100 Breast

1:03.09

2025 Our Rising Tides 16u SCY P F Meet

10/31/2025

Irvine

400 Y IM

4:47.05

AA: 4:37.39 (+9.66s | 3.4%)

50 Fly

30.81

100 Fly

35.07

1:05.88

100 Fly

1:05.88

150 Back

37.55

1:43.43

200 Back

38.01

2:21.44

100 Back

1:15.56

250 Breast

38.34

2:59.78

300 Breast

39.00

3:38.78

100 Breast

1:17.34

350 Free

34.88

4:13.66

400 Free

33.39

4:47.05

100 Free

1:08.27

200 Y Breast

2:23.40

AAA: 2:17.39 (+6.01s | 4.2%)

50 Breast

33.62

100 Breast

35.70

1:09.32

100 Breast

1:09.32

150 Breast

36.89

1:46.21

200 Breast

37.19

2:23.40

100 Breast

1:14.08

100 Y Breast

1:03.62

-0.36s (New PB)

AAA: 1:03.29 (+0.33s | 0.5%)

50 Breast

29.68

100 Breast

33.94

1:03.62

100 Breast

1:03.62

200 Y IM

2:15.59

+2.24s

A: 2:15.39 (+0.20s | 0.1%)

50 Fly

29.42

100 Back

36.32

1:05.74

100 IM

1:05.74

150 Breast

37.16

1:42.90

200 Free

32.69

2:15.59

100 IM

1:09.85

2025 SCS Spring Age Group Champs @ Armada

03/13/2025

La Mirada

100 Y Breast

1:03.98

-1.72s (New PB)

AAAA

50 Breast

30.20

100 Breast

33.78

1:03.98

100 Breast

1:03.98

50 Y Free

26.61

AAA: 25.79 (+0.82s | 3.1%)

100 Y IM

1:01.23

-2.78s (New PB)

AAA

AAAA: 1:01.09 (+0.14s | 0.2%)

50 IM

29.23

100 IM

32.00

1:01.23

100 IM

1:01.23

50 Y Breast

29.84

-0.41s (New PB)

AAAA

200 Y IM

2:13.35

-5.40s (New PB)

AAA

AAAA: 2:12.09 (+1.26s | 0.9%)

50 Fly

30.04

100 Back

36.03

1:06.07

100 IM

1:06.07

150 Breast

36.78

1:42.85

200 Free

30.50

2:13.35

100 IM

1:07.28

50 Y Fly

27.75

-0.68s (New PB)

AAA

AAAA: 26.69 (+1.06s | 3.8%)

2025 SCS All Star Festival

01/25/2025

Las Vegas

50 Y Breast

30.78

+0.53s

AAAA

200 Y IM

2:23.38

+4.63s

AAA: 2:18.79 (+4.59s | 3.2%)

50 Fly

32.72

100 Back

39.66

1:12.38

100 IM

1:12.38

150 Breast

38.49

1:50.87

200 Free

32.51

2:23.38

100 IM

1:11.00

100 Y Fly

1:07.11

+1.58s

AA: 1:05.89 (+1.22s | 1.8%)

50 Fly

32.25

100 Fly

34.85

1:07.11

100 Fly

1:07.11

100 Y Breast

1:07.71

+2.01s

AAAA

100 Y IM

1:05.07

+1.06s

AAA: 1:03.99 (+1.08s | 1.7%)

50 IM

31.99

100 IM

33.08

1:05.07

100 IM

1:05.07

50 Y Fly

29.26

+0.83s

AAA: 28.19 (+1.07s | 3.7%)

2024 CA GWSC SCS WAG

12/13/2024

Huntington Beach

100 Y Fly

1:05.53

-8.09s (New PB)

AAA: 1:02.49 (+3.04s | 4.6%)

50 Fly

31.32

100 Fly

34.21

1:05.53

100 Fly

1:05.53

100 Y Breast

1:05.70

-7.86s (New PB)

AAAA

50 Breast

31.56

100 Breast

34.14

1:05.70

100 Breast

1:05.70

200 Y IM

2:18.75

AAA

AAAA: 2:12.09 (+6.66s | 4.8%)

50 Fly

30.49

100 Back

38.08

1:08.57

100 IM

1:08.57

150 Breast

37.46

1:46.03

200 Free

32.72

2:18.75

100 IM

1:10.18

50 Y Fly

28.43

-3.41s (New PB)

AAA: 28.19 (+0.24s | 0.8%)

50 Y Breast

30.25

-2.50s (New PB)

AAAA

100 Y IM

1:04.01

-4.83s (New PB)

AAA: 1:03.99 (+0.02s | 0.0%)

50 IM

31.13

100 IM

32.88

1:04.01

100 IM

1:04.01

2024 CA SCS BREA Summer A G Champs

07/25/2024

Walnut

50 M Free

30.99

+0.35s

AA: 30.69 (+0.30s | 1.0%)

100 M Breast

1:20.19

-0.17s (New PB)

AAA

AAAA: 1:18.99 (+1.20s | 1.5%)

50 Breast

38.44

100 Breast

41.75

1:20.19

100 Breast

1:20.19

200 M IM

2:46.11

-0.07s (New PB)

AA: 2:45.99 (+0.12s | 0.1%)

50 M Fly

33.67

-1.11s (New PB)

AA: 33.59 (+0.08s | 0.2%)

50 M Breast

34.69

-0.77s (New PB)

AAAA

2024 CA SCS RMDA June Age Group Invite

06/13/2024

La Mirada

50 M Fly

34.78

AA: 33.59 (+1.19s | 3.4%)

100 M Fly

1:17.94

AA: 1:15.59 (+2.35s | 3.0%)

50 Fly

36.22

100 Fly

41.72

1:17.94

100 Fly

1:17.94

50 M Free

30.64

AAA: 29.39 (+1.25s | 4.1%)

200 M IM

2:46.18

AA: 2:45.99 (+0.19s | 0.1%)

50 Fly

37.13

100 Back

46.63

1:23.76

100 IM

1:23.76

150 Breast

44.88

2:08.64

200 Free

37.54

2:46.18

100 IM

1:22.42

100 M Breast

1:20.36

-2.94s (New PB)

AAA

AAAA: 1:18.99 (+1.37s | 1.7%)

50 Breast

38.26

100 Breast

42.10

1:20.36

100 Breast

1:20.36

50 M Breast

35.72

+0.26s

AAAA

2024 CA NOVA Speedo Grand Challenge

05/24/2024

Irvine

50 M Breast

35.46

AAAA

100 M Breast

1:23.30

AAA: 1:23.09 (+0.21s | 0.3%)

50 Breast

41.05

100 Breast

42.25

1:23.30

100 Breast

1:23.30

2024 SCS Spring Age Group Champshipson

03/14/2024

Pasadena

100 Y Breast

1:13.56

-1.52s (New PB)

AAA: 1:11.39 (+2.17s | 2.9%)

50 Breast

36.13

100 Breast

37.43

1:13.56

100 Breast

1:13.56

100 Y IM

1:08.84

-1.58s (New PB)

AA: 1:06.99 (+1.85s | 2.7%)

50 IM

32.96

100 IM

35.88

1:08.84

100 IM

1:08.84

50 Y Breast

32.75

-0.69s (New PB)

AAA

AAAA: 31.49 (+1.26s | 3.8%)

2023 CA SCAT SCS WAG

12/08/2023

San Clemente

100 Y Breast

1:15.08

-8.66s (New PB)

AA: 1:14.89 (+0.19s | 0.3%)

50 Breast

36.30

100 Breast

38.78

1:15.08

100 Breast

1:15.08

50 Y Fly

31.84

A: 31.19 (+0.65s | 2.0%)

50 Y Breast

33.44

-5.28s (New PB)

AAA: 33.29 (+0.15s | 0.4%)

100 Y Fly

1:13.62

A: 1:09.29 (+4.33s | 5.9%)

50 Fly

34.33

100 Fly

39.29

1:13.62

100 Fly

1:13.62

100 Y IM

1:10.42

A: 1:09.99 (+0.43s | 0.6%)

50 IM

33.81

100 IM

36.61

1:10.42

100 IM

1:10.42

2023 SCS 14 Under SC Age Group Champships

03/16/2023

Pasadena

50 Y Breast

38.72

AAA: 38.29 (+0.43s | 1.1%)

100 Y Breast

1:23.74

AAA: 1:22.69 (+1.05s | 1.3%)

50 Breast

40.25

100 Breast

43.49

1:23.74

100 Breast

1:23.74

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.

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 Y	26.61	22.19 (+4.42s \| 16.6%)	21.29 (+5.32s \| 20.0%)	21.29 (+5.32s \| 20.0%)	20.59 (+6.02s \| 22.6%)	20.09 (+6.52s \| 24.5%)	20.39 (+6.22s \| 23.4%)	26.29 (+0.32s \| 1.2%)
Breast 100 Y	1:03.09	1:00.89 (+2.20s \| 3.5%)	57.99 (+5.10s \| 8.1%)	57.99 (+5.10s \| 8.1%)	55.89 (+7.20s \| 11.4%)	54.19 (+8.90s \| 14.1%)	55.29 (+7.80s \| 12.4%)	1:01.79 (+1.30s \| 2.1%)
Breast 200 Y	2:21.97	2:13.29 (+8.68s \| 6.1%)	2:07.99 (+13.98s \| 9.8%)	2:07.99 (+13.98s \| 9.8%)	2:02.29 (+19.68s \| 13.9%)	1:58.79 (+23.18s \| 16.3%)	2:00.99 (+20.98s \| 14.8%)	2:17.39 (+4.58s \| 3.2%)
Fly 100 Y	1:02.55	52.89 (+9.66s \| 15.4%)	50.59 (+11.96s \| 19.1%)	50.59 (+11.96s \| 19.1%)	48.99 (+13.56s \| 21.7%)	47.79 (+14.76s \| 23.6%)	48.39 (+14.16s \| 22.6%)	N/A
IM 200 Y	2:13.34	1:58.19 (+15.15s \| 11.4%)	1:53.89 (+19.45s \| 14.6%)	1:53.89 (+19.45s \| 14.6%)	1:50.09 (+23.25s \| 17.4%)	1:46.39 (+26.95s \| 20.2%)	1:48.89 (+24.45s \| 18.3%)	2:18.59 2:13.09 (+0.25s \| 0.2%)
IM 400 Y	4:42.75	4:14.69 (+28.06s \| 9.9%)	4:06.99 (+35.76s \| 12.6%)	4:06.99 (+35.76s \| 12.6%)	3:57.59 (+45.16s \| 16.0%)	3:48.79 (+53.96s \| 19.1%)	3:52.69 (+50.06s \| 17.7%)	4:55.29 4:43.39

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	30.64	25.89 (+4.75s \| 15.5%)	24.59 (+6.05s \| 19.7%)	24.59 (+6.05s \| 19.7%)	24.29 (+6.35s \| 20.7%)	23.39 (+7.25s \| 23.7%)	23.79 (+6.85s \| 22.4%)	30.19 (+0.45s \| 1.5%)
Breast 100 M	1:20.19	1:11.29 (+8.90s \| 11.1%)	1:08.19 (+12.00s \| 15.0%)	1:08.19 (+12.00s \| 15.0%)	1:06.59 (+13.60s \| 17.0%)	1:04.09 (+16.10s \| 20.1%)	1:05.29 (+14.90s \| 18.6%)	1:21.99 1:17.89 (+2.30s \| 2.9%)
Fly 100 M	1:17.94	1:00.89 (+17.05s \| 21.9%)	57.99 (+19.95s \| 25.6%)	57.99 (+19.95s \| 25.6%)	57.09 (+20.85s \| 26.8%)	55.09 (+22.85s \| 29.3%)	55.99 (+21.95s \| 28.2%)	1:10.69 (+7.25s \| 9.3%)
IM 200 M	2:46.11	2:18.39 (+27.72s \| 16.7%)	2:12.79 (+33.32s \| 20.1%)	2:12.79 (+33.32s \| 20.1%)	2:09.59 (+36.52s \| 22.0%)	2:05.79 (+40.32s \| 24.3%)	2:08.19 (+37.92s \| 22.8%)	2:40.19 (+5.92s \| 3.6%)