Duke Guo

Age: 9 years old
Age Category: 10 & under
Team: McAllen Swim Club | South Texas Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

McAllen Swim Club

South Texas Swimming

Southern Zone

USA

Free 25 Y

16.38

09/28/2024

121

446

Free 50 Y

31.87

01/03/2026

A: 31.09 (+0.78s | 2.4%)

258

1,000+

Free 100 Y

1:16.87

Analysis

11/01/2025

A: 1:09.79 (+7.08s | 9.2%)

491

1,000+

50 Free

35.62

100 Free

41.25

1:16.87

100 Free

1:16.87

Back 25 Y

20.94

10/19/2024

192

765

Back 50 Y

38.46

02/13/2026

A: 37.59 (+0.87s | 2.3%)

262

1,000+

Back 100 Y

1:27.92

Analysis

02/13/2026

A: 1:19.59 (+8.33s | 9.5%)

385

1,000+

50 Back

42.36

100 Back

45.56

1:27.92

100 Back

1:27.92

Breast 50 Y

43.06

01/03/2026

A: 42.09 (+0.97s | 2.3%)

177

741

Breast 100 Y

1:35.41

Analysis

12/06/2025

A: 1:30.59 (+4.82s | 5.1%)

225

1,000+

50 Breast

44.36

100 Breast

51.05

1:35.41

100 Breast

1:35.41

Fly 25 Y

21.31

10/19/2024

272

1,000+

Fly 50 Y

38.72

02/13/2026

A: 35.99 (+2.73s | 7.1%)

310

1,000+

Long course distance

Event

Time

Age

Date

Standard

Next Standard

McAllen Swim Club

South Texas Swimming

Southern Zone

USA

Free 50 M

37.04

06/27/2025

A: 35.69 (+1.35s | 3.6%)

214

578

Free 100 M

1:24.66

Analysis

05/16/2026

A: 1:20.19 (+4.47s | 5.3%)

242

663

50 Free

40.06

100 Free

44.60

1:24.66

100 Free

1:24.66

Back 50 M

44.15

04/11/2026

A: 43.09 (+1.06s | 2.4%)

180

520

Back 100 M

1:37.40

Analysis

06/27/2025

A: 1:32.29 (+5.11s | 5.2%)

187

564

50 Back

47.91

100 Back

49.49

1:37.40

100 Back

1:37.40

Breast 50 M

49.09

04/11/2026

A: 47.89 (+1.20s | 2.4%)

110

323

Breast 100 M

2:01.67

Analysis

06/27/2025

BB: 1:59.19 (+2.48s | 2.0%)

315

1,000+

Fly 50 M

43.66

05/16/2026

A: 40.59 (+3.07s | 7.0%)

185

555

Above are the fastest times that Duke Guo has achieved in his swimming career. For each event, you can find Duke's best time, the corresponding time standard, as well as how much faster Duke needs to be to reach the next level. The last columns provide Duke rankings at the team and LSC levels. These rankings are based on the Duke'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	31.87	22.19 (+9.68s \| 30.4%)	21.29 (+10.58s \| 33.2%)	21.29 (+10.58s \| 33.2%)	20.59 (+11.28s \| 35.4%)	20.09 (+11.78s \| 37.0%)	20.39 (+11.48s \| 36.0%)	30.49 (+1.38s \| 4.3%)
Free 100 Y	1:16.87	48.19 (+28.68s \| 37.3%)	46.39 (+30.48s \| 39.7%)	46.39 (+30.48s \| 39.7%)	45.09 (+31.78s \| 41.3%)	43.49 (+33.38s \| 43.4%)	44.39 (+32.48s \| 42.3%)	1:07.19 (+9.68s \| 12.6%)
Back 50 Y	38.46	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+2.17s \| 5.6%)
Back 100 Y	1:27.92	53.89 (+34.03s \| 38.7%)	51.49 (+36.43s \| 41.4%)	51.49 (+36.43s \| 41.4%)	49.39 (+38.53s \| 43.8%)	47.59 (+40.33s \| 45.9%)	48.89 (+39.03s \| 44.4%)	1:16.59 (+11.33s \| 12.9%)
Breast 50 Y	43.06	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+2.77s \| 6.4%)
Breast 100 Y	1:35.41	1:00.89 (+34.52s \| 36.2%)	57.99 (+37.42s \| 39.2%)	57.99 (+37.42s \| 39.2%)	55.89 (+39.52s \| 41.4%)	54.19 (+41.22s \| 43.2%)	55.29 (+40.12s \| 42.1%)	1:26.29 (+9.12s \| 9.6%)
Fly 50 Y	38.72	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+4.03s \| 10.4%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	37.04	25.89 (+11.15s \| 30.1%)	24.59 (+12.45s \| 33.6%)	24.59 (+12.45s \| 33.6%)	24.29 (+12.75s \| 34.4%)	23.39 (+13.65s \| 36.9%)	23.79 (+13.25s \| 35.8%)	34.59 (+2.45s \| 6.6%)
Free 100 M	1:24.66	56.09 (+28.57s \| 33.7%)	53.59 (+31.07s \| 36.7%)	53.59 (+31.07s \| 36.7%)	52.59 (+32.07s \| 37.9%)	50.99 (+33.67s \| 39.8%)	51.99 (+32.67s \| 38.6%)	1:16.89 (+7.77s \| 9.2%)
Back 50 M	44.15	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+2.56s \| 5.8%)
Back 100 M	1:37.40	1:03.29 (+34.11s \| 35.0%)	1:00.59 (+36.81s \| 37.8%)	1:00.59 (+36.81s \| 37.8%)	58.89 (+38.51s \| 39.5%)	57.29 (+40.11s \| 41.2%)	58.19 (+39.21s \| 40.3%)	1:27.69 (+9.71s \| 10.0%)
Breast 50 M	49.09	N/A	N/A	N/A	N/A	N/A	N/A	46.29 (+2.80s \| 5.7%)
Breast 100 M	2:01.67	1:11.29 (+50.38s \| 41.4%)	1:08.19 (+53.48s \| 44.0%)	1:08.19 (+53.48s \| 44.0%)	1:06.59 (+55.08s \| 45.3%)	1:04.09 (+57.58s \| 47.3%)	1:05.29 (+56.38s \| 46.3%)	1:40.19 (+21.48s \| 17.7%)
Fly 50 M	43.66	N/A	N/A	N/A	N/A	N/A	N/A	39.19 (+4.47s \| 10.2%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 ST LC BAS May Swim Meet

05/16/2026

Brownsville

50 M Free

37.11

+0.07s

A: 35.69 (+1.42s | 3.8%)

50 M Fly

43.66

-2.72s (New PB)

A: 40.59 (+3.07s | 7.0%)

50 M Back

44.67

+0.52s

A: 43.09 (+1.58s | 3.5%)

50 M Breast

49.19

+0.10s

A: 47.89 (+1.30s | 2.6%)

100 M Free

1:24.66

-0.54s (New PB)

A: 1:20.19 (+4.47s | 5.3%)

50 Free

40.06

100 Free

44.60

1:24.66

100 Free

1:24.66

2026 ST LC BAS April Swim Meet

04/11/2026

Brownsville

50 M Free

39.00

+1.96s

A: 35.69 (+3.31s | 8.5%)

50 M Breast

49.09

-5.10s (New PB)

A: 47.89 (+1.20s | 2.4%)

50 M Back

44.15

-0.51s (New PB)

A: 43.09 (+1.06s | 2.4%)

50 M Fly

46.48

+0.10s

BB: 46.39 (+0.09s | 0.2%)

2026 ST HPAC STX Champs South

02/13/2026

Corpus Christi

50 Y Breast

43.38

+0.32s

A: 42.09 (+1.29s | 3.0%)

100 Y Back

1:27.92

A: 1:19.59 (+8.33s | 9.5%)

50 Back

42.36

100 Back

45.56

1:27.92

100 Back

1:27.92

50 Y Fly

38.72

-4.83s (New PB)

A: 35.99 (+2.73s | 7.1%)

100 Y Breast

1:39.40

+3.99s

A: 1:30.59 (+8.81s | 8.9%)

50 Breast

45.57

100 Breast

53.83

1:39.40

100 Breast

1:39.40

50 Y Back

38.46

-0.73s (New PB)

A: 37.59 (+0.87s | 2.3%)

50 Y Free

32.19

+0.32s

A: 31.09 (+1.10s | 3.4%)

2026 ST HPAC Last Chance Quaifier

01/03/2026

Corpus Christi

100 Y Breast

1:36.85

+1.44s

A: 1:30.59 (+6.26s | 6.5%)

50 Breast

44.78

100 Breast

52.07

1:36.85

100 Breast

1:36.85

50 Y Breast

43.06

-0.09s (New PB)

A: 42.09 (+0.97s | 2.3%)

50 Y Free

31.87

-1.09s (New PB)

A: 31.09 (+0.78s | 2.4%)

50 Y Back

39.19

-1.31s (New PB)

A: 37.59 (+1.60s | 4.1%)

100 Y Free

1:17.75

+0.88s

A: 1:09.79 (+7.96s | 10.2%)

50 Free

36.40

100 Free

41.35

1:17.75

100 Free

1:17.75

2025 HPAC 5th Annual Festivus Winterfest

12/06/2025

Corpus Christi

50 Y Breast

43.15

-1.32s (New PB)

A: 42.09 (+1.06s | 2.5%)

50 Y Free

33.20

+0.24s

A: 31.09 (+2.11s | 6.4%)

100 Y Breast

1:35.41

-0.63s (New PB)

A: 1:30.59 (+4.82s | 5.1%)

50 Breast

44.36

100 Breast

51.05

1:35.41

100 Breast

1:35.41

50 Y Back

40.50

-0.95s (New PB)

A: 37.59 (+2.91s | 7.2%)

2025 ST BAS November SC Swim Meet

11/15/2025

Brownsville

50 Y Fly

43.55

-0.50s (New PB)

BB: 41.29 (+2.26s | 5.2%)

50 Y Back

41.85

+0.40s

A: 37.59 (+4.26s | 10.2%)

50 Y Breast

44.57

+0.10s

A: 42.09 (+2.48s | 5.6%)

50 Y Free

34.62

+1.66s

BB: 34.59 (+0.03s | 0.1%)

100 Y Breast

1:36.04

-2.94s (New PB)

A: 1:30.59 (+5.45s | 5.7%)

50 Breast

44.12

100 Breast

51.92

1:36.04

100 Breast

1:36.04

2025 ST SEAL SC Thanksgiving Classic

11/01/2025

Harlingen

50 Y Breast

44.57

+0.10s

A: 42.09 (+2.48s | 5.6%)

50 Y Fly

44.05

-1.60s (New PB)

BB: 41.29 (+2.76s | 6.3%)

50 Y Back

43.08

+1.63s

BB: 42.89 (+0.19s | 0.4%)

50 Y Free

34.87

+1.91s

BB: 34.59 (+0.28s | 0.8%)

100 Y Free

1:16.87

-3.32s (New PB)

A: 1:09.79 (+7.08s | 9.2%)

50 Free

35.62

100 Free

41.25

1:16.87

100 Free

1:16.87

2025 HPAC Autumn Harvest

10/11/2025

Corpus Christi

50 Y Breast

45.31

+0.84s

A: 42.09 (+3.22s | 7.1%)

50 Y Free

32.96

-0.86s (New PB)

A: 31.09 (+1.87s | 5.7%)

100 Y Breast

1:38.98

A: 1:30.59 (+8.39s | 8.5%)

50 Breast

46.27

100 Breast

52.71

1:38.98

100 Breast

1:38.98

50 Y Back

41.45

-0.11s (New PB)

A: 37.59 (+3.86s | 9.3%)

2025 HPAC Sienna Splash

09/13/2025

Corpus Christi

50 Y Back

41.90

+0.34s

A: 37.59 (+4.31s | 10.3%)

50 Y Breast

47.29

+2.82s

A: 42.09 (+5.20s | 11.0%)

100 Y Free

1:21.89

+1.70s

BB: 1:18.89 (+3.00s | 3.7%)

50 Free

37.98

100 Free

43.91

1:21.89

100 Free

1:21.89

50 Y Free

33.82

-0.91s (New PB)

A: 31.09 (+2.73s | 8.1%)

2025 ST SC BAS Swim Meet July

07/26/2025

Brownsville

50 Y Free

35.54

+0.81s

BB: 34.59 (+0.95s | 2.7%)

100 Y Free

1:20.19

-5.60s (New PB)

BB: 1:18.89 (+1.30s | 1.6%)

50 Free

37.92

100 Free

42.27

1:20.19

100 Free

1:20.19

50 Y Back

41.56

-3.06s (New PB)

A: 37.59 (+3.97s | 9.6%)

50 Y Breast

44.47

-3.82s (New PB)

A: 42.09 (+2.38s | 5.4%)

2025 ST HPAC Long Course STX Championship

06/27/2025

Corpus Christi

50 M Fly

46.38

-6.69s (New PB)

A: 40.59 (+5.79s | 12.5%)

50 M Free

37.04

-3.38s (New PB)

A: 35.69 (+1.35s | 3.6%)

100 M Back

1:37.40

-10.90s (New PB)

A: 1:32.29 (+5.11s | 5.2%)

50 Back

47.91

100 Back

49.49

1:37.40

100 Back

1:37.40

100 M Free

1:25.20

-8.18s (New PB)

A: 1:20.19 (+5.01s | 5.9%)

50 Free

39.99

100 Free

45.21

1:25.20

100 Free

1:25.20

50 M Breast

54.19

-0.39s (New PB)

A: 47.89 (+6.30s | 11.6%)

50 M Back

44.66

-4.21s (New PB)

A: 43.09 (+1.57s | 3.5%)

100 M Breast

2:01.67

-4.27s (New PB)

BB: 1:59.19 (+2.48s | 2.0%)

2025 ST LC BAS June Swim Meet

06/07/2025

Brownsville

100 M Back

1:48.30

BB: 1:44.49 (+3.81s | 3.5%)

50 Back

54.12

100 Back

54.18

1:48.30

100 Back

1:48.30

50 M Back

50.44

+1.57s

BB: 49.29 (+1.15s | 2.3%)

100 M Breast

2:05.94

BB: 1:59.19 (+6.75s | 5.4%)

100 M Free

1:34.37

+0.99s

BB: 1:30.59 (+3.78s | 4.0%)

50 Free

44.32

100 Free

50.05

1:34.37

100 Free

1:34.37

50 M Breast

59.92

+5.34s

BB: 54.39 (+5.53s | 9.2%)

50 M Free

40.63

+0.21s

BB: 39.79 (+0.84s | 2.1%)

50 M Fly

54.90

+1.83s

B: 52.29 (+2.61s | 4.8%)

2025 ST LC BAS May Swim Meet

05/17/2025

Brownsville

50 M Breast

55.53

+0.95s

BB: 54.39 (+1.14s | 2.1%)

100 M Free

1:33.38

-0.99s (New PB)

BB: 1:30.59 (+2.79s | 3.0%)

50 Free

44.29

100 Free

49.09

1:33.38

100 Free

1:33.38

50 M Back

50.90

+2.03s

BB: 49.29 (+1.61s | 3.2%)

50 M Free

40.94

+0.52s

BB: 39.79 (+1.15s | 2.8%)

50 M Fly

53.84

+0.77s

B: 52.29 (+1.55s | 2.9%)

2025 HPAC Banana Slug Beach Bash

04/26/2025

Corpus Christi

50 M Fly

55.82

+2.75s

B: 52.29 (+3.53s | 6.3%)

50 M Breast

54.77

+0.19s

BB: 54.39 (+0.38s | 0.7%)

50 M Free

40.42

-1.36s (New PB)

BB: 39.79 (+0.63s | 1.6%)

50 M Back

48.87

-0.05s (New PB)

A: 43.09 (+5.78s | 11.8%)

2025 ST LC BAS April Swim Meet

04/12/2025

Brownsville

100 M Free

1:34.37

BB: 1:30.59 (+3.78s | 4.0%)

50 Free

44.22

100 Free

50.15

1:34.37

100 Free

1:34.37

50 M Back

48.92

A: 43.09 (+5.83s | 11.9%)

50 M Breast

54.58

BB: 54.39 (+0.19s | 0.3%)

50 M Free

41.78

BB: 39.79 (+1.99s | 4.8%)

50 M Fly

53.07

B: 52.29 (+0.78s | 1.5%)

2025 ST AAAA B Champs South

01/11/2025

San Antonio

50 Y Free

36.07

+1.34s

BB: 34.59 (+1.48s | 4.1%)

50 Y Back

44.62

-1.09s (New PB)

BB: 42.89 (+1.73s | 3.9%)

50 Y Breast

51.65

+3.36s

BB: 47.69 (+3.96s | 7.7%)

100 Y Free

1:25.79

BB: 1:18.89 (+6.90s | 8.0%)

50 Free

39.93

100 Free

45.86

1:25.79

100 Free

1:25.79

50 Y Fly

49.01

+3.36s

B: 46.49 (+2.52s | 5.1%)

2025 HPAC Last Chance Quaifier

01/04/2025

Corpus Christi

50 Y Free

34.73

-4.48s (New PB)

BB: 34.59 (+0.14s | 0.4%)

50 Y Back

45.71

-0.63s (New PB)

BB: 42.89 (+2.82s | 6.2%)

50 Y Breast

48.29

-2.57s (New PB)

BB: 47.69 (+0.60s | 1.2%)

50 Y Fly

45.65

-7.18s (New PB)

BB: 41.29 (+4.36s | 9.6%)

2024 ST SEAL SC Thanksgiving Classic

11/02/2024

Harlingen

25 Y Back

21.22

+0.28s

50 Y Free

39.98

+0.77s

B: 38.19 (+1.79s | 4.5%)

50 Y Back

46.94

+0.60s

BB: 42.89 (+4.05s | 8.6%)

25 Y Free

17.74

+1.36s

50 Y Breast

50.86

-2.03s (New PB)

BB: 47.69 (+3.17s | 6.2%)

2024 HPAC Harvest Invitational

10/19/2024

Corpus Christi

50 Y Back

47.47

+1.13s

BB: 42.89 (+4.58s | 9.6%)

25 Y Back

20.94

-0.36s (New PB)

50 Y Free

39.21

-0.41s (New PB)

B: 38.19 (+1.02s | 2.6%)

25 Y Free

16.96

+0.58s

25 Y Fly

21.31

50 Y Breast

52.89

-1.39s (New PB)

BB: 47.69 (+5.20s | 9.8%)

2024 ST SC BAS Swim Meet October

10/12/2024

Brownsville

50 Y Free

39.83

+0.21s

B: 38.19 (+1.64s | 4.1%)

50 Y Back

46.34

-2.17s (New PB)

BB: 42.89 (+3.45s | 7.4%)

50 Y Breast

54.28

-1.95s (New PB)

B: 53.39 (+0.89s | 1.6%)

50 Y Fly

54.46

+1.63s

B: 46.49 (+7.97s | 14.6%)

2024 HPAC Sienna Splash

09/28/2024

Corpus Christi

25 Y Back

21.30

50 Y Free

39.62

B: 38.19 (+1.43s | 3.6%)

50 Y Fly

52.83

B: 46.49 (+6.34s | 12.0%)

50 Y Breast

56.23

B: 53.39 (+2.84s | 5.1%)

50 Y Back

48.51

B: 48.29 (+0.22s | 0.5%)

25 Y Free

16.38

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.