Zhencheng Xu

Age: 9 years old
Age Category: 10 & under
Team: Alto Swim Club | Pacific Swimming
Participation: 7 meets 24 events

Personal Best

Long course distance

Event	Time	Age	Date	Standard	Next Standard	Pacific Swimming	Alto Swim Club
Free 50 M	45.65	9	04/19/2025		B: 43.89 (+1.76s \| 3.9%)	215	32

Free 100 M	1:43.20	9	04/19/2025		B: 1:40.99 (+2.21s \| 2.1%)	195	28

Free 200 M	3:39.44	9	04/19/2025		B: 3:36.69 (+2.75s \| 1.3%)	96	28

Back 50 M	53.96	9	04/19/2025	B	BB: 49.29 (+4.67s \| 8.7%)	180	30

Fly 50 M	1:01.19	9	04/19/2025		B: 52.29 (+8.90s \| 14.5%)	195	31

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Pacific Swimming

Alto Swim Club

Free 25 Y

19.05

02/01/2025

226

Free 50 Y

42.35

02/01/2025

B: 38.19 (+4.16s | 9.8%)

447

Free 100 Y

1:39.45

03/29/2025

B: 1:27.99 (+11.46s | 11.5%)

421

50 Free

44.87

100 Free

54.58

1:39.45

100 Free

1:39.45

Back 50 Y

48.62

03/29/2025

B: 48.29 (+0.33s | 0.7%)

312

Back 100 Y

1:56.23

02/22/2025

B: 1:40.69 (+15.54s | 13.4%)

273

Breast 25 Y

24.98

01/25/2025

115

Breast 50 Y

54.06

03/29/2025

B: 53.39 (+0.67s | 1.2%)

302

Fly 25 Y

22.32

01/25/2025

141

Fly 50 Y

45.03

03/29/2025

BB: 41.29 (+3.74s | 8.3%)

159

Above are the fastest times that Zhencheng Xu has achieved in his swimming career. For each event, you can find Zhencheng's best time, the corresponding time standard, as well as how much faster Zhencheng needs to be to reach the next level. The last columns provide Zhencheng rankings at the team and LSC levels. These rankings are based on the Zhencheng'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	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	SouthWestern Age Group Regional
Free 50 Y	42.35	30.99 (+11.36s \| 26.8%)	30.19 (+12.16s \| 28.7%)	26.89 (+15.46s \| 36.5%)	24.79 (+17.56s \| 41.5%)	23.29 (+19.06s \| 45.0%)	22.19 (+20.16s \| 47.6%)	21.29 (+21.06s \| 49.7%)	21.29 (+21.06s \| 49.7%)	20.59 (+21.76s \| 51.4%)	20.09 (+22.26s \| 52.6%)	20.39 (+21.96s \| 51.9%)	N/A	30.49 (+11.86s \| 28.0%)
Free 100 Y	1:39.45	1:09.69 (+29.76s \| 29.9%)	1:07.59 (+31.86s \| 32.0%)	58.69 (+40.76s \| 41.0%)	54.19 (+45.26s \| 45.5%)	51.19 (+48.26s \| 48.5%)	48.19 (+51.26s \| 51.5%)	46.39 (+53.06s \| 53.4%)	46.39 (+53.06s \| 53.4%)	45.09 (+54.36s \| 54.7%)	43.49 (+55.96s \| 56.3%)	44.39 (+55.06s \| 55.4%)	N/A	1:07.19 (+32.26s \| 32.4%)
Back 50 Y	48.62	36.99 (+11.63s \| 23.9%)	35.79 (+12.83s \| 26.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+12.33s \| 25.4%)
Back 100 Y	1:56.23	1:18.89 (+37.34s \| 32.1%)	1:17.09 (+39.14s \| 33.7%)	1:04.69 (+51.54s \| 44.3%)	59.79 (+56.44s \| 48.6%)	55.99 (+60.24s \| 51.8%)	53.89 (+62.34s \| 53.6%)	51.49 (+64.74s \| 55.7%)	51.49 (+64.74s \| 55.7%)	49.39 (+66.84s \| 57.5%)	47.59 (+68.64s \| 59.1%)	48.89 (+67.34s \| 57.9%)	N/A	1:16.59 (+39.64s \| 34.1%)
Breast 50 Y	54.06	40.99 (+13.07s \| 24.2%)	39.99 (+14.07s \| 26.0%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+13.77s \| 25.5%)
Fly 50 Y	45.03	35.39 (+9.64s \| 21.4%)	33.99 (+11.04s \| 24.5%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+10.34s \| 23.0%)

Long Course Distance

Event	Best Time	Age Group Championship	Far Western	Senior Open	Senior 2	Western Zone Sr.	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	NATIONAL	U.S Olympic Team Trials	SouthWestern Age Group Regional
Free 50 M	45.65	35.49 (+10.16s \| 22.3%)	34.39 (+11.26s \| 24.7%)	30.19 (+15.46s \| 33.9%)	27.89 (+17.76s \| 38.9%)	26.79 (+18.86s \| 41.3%)	25.89 (+19.76s \| 43.3%)	24.59 (+21.06s \| 46.1%)	24.59 (+21.06s \| 46.1%)	24.29 (+21.36s \| 46.8%)	23.39 (+22.26s \| 48.8%)	23.79 (+21.86s \| 47.9%)	N/A	22.79 (+22.86s \| 50.1%)	34.59 (+11.06s \| 24.2%)
Free 100 M	1:43.20	1:19.49 (+23.71s \| 23.0%)	1:17.09 (+26.11s \| 25.3%)	1:07.39 (+35.81s \| 34.7%)	1:02.19 (+41.01s \| 39.7%)	59.19 (+44.01s \| 42.6%)	56.09 (+47.11s \| 45.6%)	53.59 (+49.61s \| 48.1%)	53.59 (+49.61s \| 48.1%)	52.59 (+50.61s \| 49.0%)	50.99 (+52.21s \| 50.6%)	51.99 (+51.21s \| 49.6%)	N/A	49.99 (+53.21s \| 51.6%)	1:16.89 (+26.31s \| 25.5%)
Free 200 M	3:39.44	2:49.89 (+49.55s \| 22.6%)	2:46.39 (+53.05s \| 24.2%)	2:27.89 (+71.55s \| 32.6%)	2:16.49 (+82.95s \| 37.8%)	2:09.29 (+90.15s \| 41.1%)	2:03.09 (+96.35s \| 43.9%)	1:57.79 (+101.65s \| 46.3%)	1:57.79 (+101.65s \| 46.3%)	1:55.49 (+103.95s \| 47.4%)	1:52.19 (+107.25s \| 48.9%)	1:54.09 (+105.35s \| 48.0%)	N/A	1:49.99 (+109.45s \| 49.9%)	2:44.69 (+54.75s \| 24.9%)
Back 50 M	53.96	42.99 (+10.97s \| 20.3%)	40.79 (+13.17s \| 24.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+12.37s \| 22.9%)
Fly 50 M	1:01.19	40.19 (+21.00s \| 34.3%)	38.49 (+22.70s \| 37.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	39.19 (+22.00s \| 36.0%)

Progression

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Meets

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

Alto Spring Jam Meet

04/19/2025

Fremont, CA

100 M Free

1:43.20

B: 1:40.99 (+2.21s | 2.1%)

50 M Back

53.96

BB: 49.29 (+4.67s | 8.7%)

200 M Free

3:39.44

B: 3:36.69 (+2.75s | 1.3%)

50 M Fly

1:01.19

B: 52.29 (+8.90s | 14.5%)

50 M Free

45.65

B: 43.89 (+1.76s | 3.9%)

Alto Rock The Blocks Invitational

03/29/2025

Palo Alto, CA

100 Y Free

1:39.45

-3.36s (New PB)

B: 1:27.99 (+11.46s | 11.5%)

50 Free

44.87

100 Free

54.58

1:39.45

100 Free

1:39.45

50 Y Fly

45.03

BB: 41.29 (+3.74s | 8.3%)

50 Y Free

43.51

+1.16s

B: 38.19 (+5.32s | 12.2%)

50 Y Back

48.62

-6.95s (New PB)

B: 48.29 (+0.33s | 0.7%)

50 Y Breast

54.06

B: 53.39 (+0.67s | 1.2%)

De Anza C B A+

02/22/2025

Saratoga, CA

50 Y Free

42.98

+0.63s

B: 38.19 (+4.79s | 11.1%)

25 Y Fly

23.42

+1.10s

100 Y Back

1:56.23

B: 1:40.69 (+15.54s | 13.4%)

Alto Swim Club Valentine Classic

02/01/2025

Palo Alto, CA

50 Y Free

42.35

-1.45s (New PB)

B: 38.19 (+4.16s | 9.8%)

25 Y Fly

23.85

+1.53s

50 Y Back

55.57

B: 48.29 (+7.28s | 13.1%)

25 Y Free

19.05

-1.24s (New PB)

25 Y Breast

25.17

+0.19s

Z1N SC Championship

01/25/2025

Sunnyvale, CA

25 Y Breast

24.98

25 Y Fly

22.32

50 Y Free

43.80

-1.22s (New PB)

B: 38.19 (+5.61s | 12.8%)

Burlingame Aquatic Club C/B/A+ SCY Meet

01/11/2025

Burlingame, CA

100 Y Free

1:42.81

B: 1:27.99 (+14.82s | 14.4%)

ALTO Swim Club SCY C/B/A+ Meet

11/09/2024

Palo Alto, CA

50 Y Free

45.02

B: 38.19 (+6.83s | 15.2%)

25 Y Free

20.29

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