Adeline Duncan

Age: 9 years old
Age Category: 10 & under
Team: Rockville Montgomery Swim Club | Potomac Valley Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Rockville Montgomery Swim Club

Potomac Valley Swimming

Eastern Zone

USA

Free 50 Y

39.89

01/16/2026

B: 39.79 (+0.10s | 0.3%)

132

669

1,000+

Free 100 Y

1:28.22

01/16/2026

BB: 1:21.09 (+7.13s | 8.1%)

122

495

1,000+

50 Free

42.24

100 Free

45.98

1:28.22

100 Free

1:28.22

Back 50 Y

50.91

01/16/2026

B: 48.59 (+2.32s | 4.6%)

162

874

1,000+

Breast 50 Y

44.01

11/14/2025

A: 42.79 (+1.22s | 2.8%)

117

424

1,000+

Breast 100 Y

1:37.05

01/16/2026

A: 1:33.59 (+3.46s | 3.6%)

120

461

1,000+

50 Breast

44.79

100 Breast

52.26

1:37.05

100 Breast

1:37.05

Fly 50 Y

44.14

12/05/2025

BB: 42.69 (+1.45s | 3.3%)

368

1,000+

IM 100 Y

1:38.31

12/05/2025

BB: 1:33.19 (+5.12s | 5.2%)

121

466

1,000+

50 IM

47.33

100 IM

50.98

1:38.31

100 IM

1:38.31

Long course distance

Event	Time		Age	Date	Standard	Next Standard	Rockville Montgomery Swim Club	Potomac Valley Swimming	Eastern Zone	USA

Above are the fastest times that Adeline Duncan has achieved in her swimming career. For each event, you can find Adeline's best time, the corresponding time standard, as well as how much faster Adeline needs to be to reach the next level. The last columns provide Adeline rankings at the team and LSC levels. These rankings are based on the Adeline'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	39.89	24.89 (+15.00s \| 37.6%)	23.89 (+16.00s \| 40.1%)	23.89 (+16.00s \| 40.1%)	23.29 (+16.60s \| 41.6%)	22.59 (+17.30s \| 43.4%)	22.79 (+17.10s \| 42.9%)	30.89 (+9.00s \| 22.6%)
Free 100 Y	1:28.22	53.99 (+34.23s \| 38.8%)	51.89 (+36.33s \| 41.2%)	51.89 (+36.33s \| 41.2%)	50.39 (+37.83s \| 42.9%)	49.29 (+38.93s \| 44.1%)	49.69 (+38.53s \| 43.7%)	1:08.19 (+20.03s \| 22.7%)
Back 50 Y	50.91	N/A	N/A	N/A	N/A	N/A	N/A	36.49 (+14.42s \| 28.3%)
Breast 50 Y	44.01	N/A	N/A	N/A	N/A	N/A	N/A	40.39 (+3.62s \| 8.2%)
Breast 100 Y	1:37.05	1:07.59 (+29.46s \| 30.4%)	1:05.49 (+31.56s \| 32.5%)	1:05.49 (+31.56s \| 32.5%)	1:03.09 (+33.96s \| 35.0%)	1:01.79 (+35.26s \| 36.3%)	1:02.79 (+34.26s \| 35.3%)	1:27.99 (+9.06s \| 9.3%)
Fly 50 Y	44.14	N/A	N/A	N/A	N/A	N/A	N/A	35.09 (+9.05s \| 20.5%)
IM 100 Y	1:38.31	N/A	N/A	N/A	N/A	N/A	N/A	1:17.69 (+20.62s \| 21.0%)

Long Course Distance

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

Progression

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Meets

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 RMSC January Intrasquad Meet

01/16/2026

Boyds

50 Y Breast

45.22

+1.21s

A: 42.79 (+2.43s | 5.4%)

100 Y Free

1:28.22

-9.69s (New PB)

BB: 1:21.09 (+7.13s | 8.1%)

50 Free

42.24

100 Free

45.98

1:28.22

100 Free

1:28.22

50 Y Back

50.91

-0.96s (New PB)

B: 48.59 (+2.32s | 4.6%)

50 Y Free

39.89

-1.01s (New PB)

B: 39.79 (+0.10s | 0.3%)

100 Y IM

1:39.48

+1.17s

BB: 1:33.19 (+6.29s | 6.3%)

50 IM

49.02

100 IM

50.46

1:39.48

100 IM

1:39.48

100 Y Breast

1:37.05

-2.64s (New PB)

A: 1:33.59 (+3.46s | 3.6%)

50 Breast

44.79

100 Breast

52.26

1:37.05

100 Breast

1:37.05

2025 Christmas Championships

12/05/2025

Laurel

100 Y Breast

1:40.60

+0.91s

A: 1:33.59 (+7.01s | 7.0%)

50 Breast

48.80

100 Breast

51.80

1:40.60

100 Breast

1:40.60

50 Y Breast

45.93

+1.92s

A: 42.79 (+3.14s | 6.8%)

50 Y Fly

44.14

-0.69s (New PB)

BB: 42.69 (+1.45s | 3.3%)

50 Y Back

51.87

-1.65s (New PB)

B: 48.59 (+3.28s | 6.3%)

100 Y IM

1:38.31

BB: 1:33.19 (+5.12s | 5.2%)

50 IM

47.33

100 IM

50.98

1:38.31

100 IM

1:38.31

50 Y Free

41.61

+0.71s

B: 39.79 (+1.82s | 4.4%)

2025 RMSC November Dual Meet

11/14/2025

Boyds

50 Y Fly

44.83

-2.81s (New PB)

BB: 42.69 (+2.14s | 4.8%)

50 Y Breast

44.01

-0.84s (New PB)

A: 42.79 (+1.22s | 2.8%)

100 Y Breast

1:39.78

+0.09s

A: 1:33.59 (+6.19s | 6.2%)

50 Breast

46.89

100 Breast

52.89

1:39.78

100 Breast

1:39.78

50 Y Free

40.90

-0.74s (New PB)

B: 39.79 (+1.11s | 2.7%)

2025 RMSC October Kick Off Classic

10/17/2025

Boyds

100 Y Free

1:37.91

B: 1:30.79 (+7.12s | 7.3%)

50 Free

45.76

100 Free

52.15

1:37.91

100 Free

1:37.91

50 Y Back

53.52

B: 48.59 (+4.93s | 9.2%)

50 Y Fly

47.64

BB: 42.69 (+4.95s | 10.4%)

100 Y Breast

1:39.69

A: 1:33.59 (+6.10s | 6.1%)

50 Breast

46.62

100 Breast

53.07

1:39.69

100 Breast

1:39.69

50 Y Free

41.64

B: 39.79 (+1.85s | 4.4%)

50 Y Breast

44.85

A: 42.79 (+2.06s | 4.6%)

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.