Yiyi Cheng

Age: 12 years old
Age Category: 11-12
Team: First Colony Swim Team, Inc. | Gulf Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Gulf Swimming

First Colony Swim Team, Inc.

Free 50 Y

31.07

09/21/2024

BB: 30.49 (+0.58s | 1.9%)

147

Free 100 Y

1:09.24

09/21/2024

BB: 1:06.39 (+2.85s | 4.1%)

124

50 Free

32.59

100 Free

36.65

1:09.24

100 Free

1:09.24

Free 200 Y

2:32.00

11/08/2024

BB: 2:24.89 (+7.11s | 4.7%)

120

50 Free

33.96

100 Free

38.85

1:12.81

100 Free

1:12.81

150 Free

40.53

1:53.34

200 Free

38.66

2:32.00

100 Free

1:19.19

Back 50 Y

38.35

09/21/2024

BB: 35.59 (+2.76s | 7.2%)

171

Back 200 Y

2:52.28

11/08/2024

BB: 2:40.49 (+11.79s | 6.8%)

50 Back

41.48

100 Back

43.78

1:25.26

100 Back

1:25.26

150 Back

44.27

2:09.53

200 Back

42.75

2:52.28

100 Back

1:27.02

Breast 50 Y

35.67

01/31/2025

AA: 34.99 (+0.68s | 1.9%)

Breast 100 Y

1:19.51

12/06/2024

A: 1:18.39 (+1.12s | 1.4%)

50 Breast

37.51

100 Breast

42.00

1:19.51

100 Breast

1:19.51

Breast 200 Y

2:49.51

12/06/2024

A: 2:48.39 (+1.12s | 0.7%)

50 Breast

38.51

100 Breast

42.99

1:21.50

100 Breast

1:21.50

150 Breast

44.55

2:06.05

200 Breast

43.46

2:49.51

100 Breast

1:28.01

Fly 50 Y

36.96

12/06/2024

BB: 34.19 (+2.77s | 7.5%)

147

Fly 100 Y

1:30.12

11/08/2024

B: 1:22.89 (+7.23s | 8.0%)

141

50 Fly

40.77

100 Fly

49.35

1:30.12

100 Fly

1:30.12

IM 100 Y

1:14.48

02/21/2025

A: 1:09.99 (+4.49s | 6.0%)

50 IM

36.84

100 IM

37.64

1:14.48

100 IM

1:14.48

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Gulf Swimming	First Colony Swim Team, Inc.
Breast 50 M	38.45		12	07/16/2025	AA	AAA: 38.09 (+0.36s \| 0.9%)	5	2

Above are the fastest times that Yiyi Cheng has achieved in his swimming career. For each event, you can find Yiyi's best time, the corresponding time standard, as well as how much faster Yiyi needs to be to reach the next level. The last columns provide Yiyi rankings at the team and LSC levels. These rankings are based on the Yiyi'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	31.07	22.19 (+8.88s \| 28.6%)	21.29 (+9.78s \| 31.5%)	21.29 (+9.78s \| 31.5%)	20.59 (+10.48s \| 33.7%)	20.09 (+10.98s \| 35.3%)	20.39 (+10.68s \| 34.4%)	27.49 (+3.58s \| 11.5%)
Free 100 Y	1:09.24	48.19 (+21.05s \| 30.4%)	46.39 (+22.85s \| 33.0%)	46.39 (+22.85s \| 33.0%)	45.09 (+24.15s \| 34.9%)	43.49 (+25.75s \| 37.2%)	44.39 (+24.85s \| 35.9%)	59.29 (+9.95s \| 14.4%)
Free 200 Y	2:32.00	1:45.79 (+46.21s \| 30.4%)	1:41.59 (+50.41s \| 33.2%)	1:41.59 (+50.41s \| 33.2%)	1:38.79 (+53.21s \| 35.0%)	1:36.49 (+55.51s \| 36.5%)	1:38.09 (+53.91s \| 35.5%)	2:09.19 (+22.81s \| 15.0%)
Back 50 Y	38.35	N/A	N/A	N/A	N/A	N/A	N/A	31.89 (+6.46s \| 16.8%)
Back 200 Y	2:52.28	1:57.29 (+54.99s \| 31.9%)	1:52.79 (+59.49s \| 34.5%)	1:52.79 (+59.49s \| 34.5%)	1:48.29 (+63.99s \| 37.1%)	1:45.49 (+66.79s \| 38.8%)	1:47.09 (+65.19s \| 37.8%)	2:23.99 (+28.29s \| 16.4%)
Breast 50 Y	35.67	N/A	N/A	N/A	N/A	N/A	N/A	35.49 (+0.18s \| 0.5%)
Breast 100 Y	1:19.51	1:00.89 (+18.62s \| 23.4%)	57.99 (+21.52s \| 27.1%)	57.99 (+21.52s \| 27.1%)	55.89 (+23.62s \| 29.7%)	54.19 (+25.32s \| 31.8%)	55.29 (+24.22s \| 30.5%)	1:15.89 (+3.62s \| 4.6%)
Breast 200 Y	2:49.51	2:13.29 (+36.22s \| 21.4%)	2:07.99 (+41.52s \| 24.5%)	2:07.99 (+41.52s \| 24.5%)	2:02.29 (+47.22s \| 27.9%)	1:58.79 (+50.72s \| 29.9%)	2:00.99 (+48.52s \| 28.6%)	2:42.99 (+6.52s \| 3.8%)
Fly 50 Y	36.96	N/A	N/A	N/A	N/A	N/A	N/A	30.49 (+6.47s \| 17.5%)
Fly 100 Y	1:30.12	52.89 (+37.23s \| 41.3%)	50.59 (+39.53s \| 43.9%)	50.59 (+39.53s \| 43.9%)	48.99 (+41.13s \| 45.6%)	47.79 (+42.33s \| 47.0%)	48.39 (+41.73s \| 46.3%)	1:07.09 (+23.03s \| 25.6%)
IM 100 Y	1:14.48	N/A	N/A	N/A	N/A	N/A	N/A	1:08.09 (+6.39s \| 8.6%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Breast 50 M	38.45	N/A	N/A	N/A	N/A	N/A	N/A	40.39

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 Texas Age Group Championships

07/16/2025

Arlington

50 M Breast

38.45

AAA: 38.09 (+0.36s | 0.9%)

2025 Gulf 12 Under Champs (PACK)

02/21/2025

Spring

100 Y Breast

1:20.05

+0.54s

A: 1:18.39 (+1.66s | 2.1%)

50 Breast

38.42

100 Breast

41.63

1:20.05

100 Breast

1:20.05

100 Y Free

1:10.06

+0.82s

BB: 1:06.39 (+3.67s | 5.2%)

50 Free

33.09

100 Free

36.97

1:10.06

100 Free

1:10.06

50 Y Free

31.12

+0.05s

BB: 30.49 (+0.63s | 2.0%)

50 Y Breast

36.67

+1.00s

AA: 34.99 (+1.68s | 4.6%)

200 Y Breast

2:54.29

+4.78s

A: 2:48.39 (+5.90s | 3.4%)

50 Breast

38.98

100 Breast

43.05

1:22.03

100 Breast

1:22.03

150 Breast

46.07

2:08.10

200 Breast

46.18

2:54.29

100 Breast

1:32.26

100 Y IM

1:14.48

A: 1:09.99 (+4.49s | 6.0%)

50 IM

36.84

100 IM

37.64

1:14.48

100 IM

1:14.48

2025 Fleet Mardi Gras

01/31/2025

Cypress

50 Y Breast

35.67

-0.53s (New PB)

AA: 34.99 (+0.68s | 1.9%)

100 Y Breast

1:19.70

+0.19s

A: 1:18.39 (+1.31s | 1.6%)

50 Breast

37.62

100 Breast

42.08

1:19.70

100 Breast

1:19.70

2024 Gulf Age Group Championships

12/06/2024

College Station

50 Y Fly

36.96

-0.29s (New PB)

BB: 34.19 (+2.77s | 7.5%)

50 Y Back

38.86

+0.51s

B: 38.49 (+0.37s | 1.0%)

100 Y Breast

1:19.51

-2.48s (New PB)

A: 1:18.39 (+1.12s | 1.4%)

50 Breast

37.51

100 Breast

42.00

1:19.51

100 Breast

1:19.51

200 Y Breast

2:49.51

A: 2:48.39 (+1.12s | 0.7%)

50 Breast

38.51

100 Breast

42.99

1:21.50

100 Breast

1:21.50

150 Breast

44.55

2:06.05

200 Breast

43.46

2:49.51

100 Breast

1:28.01

50 Y Free

31.53

+0.46s

BB: 30.49 (+1.04s | 3.3%)

50 Y Breast

36.20

-0.14s (New PB)

AA: 34.99 (+1.21s | 3.3%)

2024 FCST Nov Tri Meet

11/08/2024

Houston

200 Y Free

2:32.00

BB: 2:24.89 (+7.11s | 4.7%)

50 Free

33.96

100 Free

38.85

1:12.81

100 Free

1:12.81

150 Free

40.53

1:53.34

200 Free

38.66

2:32.00

100 Free

1:19.19

100 Y Breast

1:21.99

A: 1:18.39 (+3.60s | 4.4%)

50 Breast

38.19

100 Breast

43.80

1:21.99

100 Breast

1:21.99

100 Y Fly

1:30.12

B: 1:22.89 (+7.23s | 8.0%)

50 Fly

40.77

100 Fly

49.35

1:30.12

100 Fly

1:30.12

200 Y Back

2:52.28

BB: 2:40.49 (+11.79s | 6.8%)

50 Back

41.48

100 Back

43.78

1:25.26

100 Back

1:25.26

150 Back

44.27

2:09.53

200 Back

42.75

2:52.28

100 Back

1:27.02

2024 FCST Red V Blue Challenge

09/21/2024

Houston

100 Y Free

1:09.24

BB: 1:06.39 (+2.85s | 4.1%)

50 Free

32.59

100 Free

36.65

1:09.24

100 Free

1:09.24

50 Y Fly

37.25

B: 37.09 (+0.16s | 0.4%)

50 Y Free

31.07

BB: 30.49 (+0.58s | 1.9%)

50 Y Back

38.35

BB: 35.59 (+2.76s | 7.2%)

50 Y Breast

36.34

AA: 34.99 (+1.35s | 3.7%)

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.