Lily Mastros

Age: 17 years old
Age Category: 17-18
Team: Seal Beach Swim Club | Southern California Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Southern California Swimming

Seal Beach Swim Club

Free 100 Y

57.72

16

12/13/2024

A

AA: 55.89 (+1.83s | 3.2%)

272

3

50 Free

28.26

100 Free

29.46

57.72

100 Free

57.72

Free 200 Y

2:04.03

16

12/13/2024

A

AA: 2:00.89 (+3.14s | 2.5%)

210

2

50 Free

28.83

100 Free

31.50

1:00.33

100 Free

1:00.33

150 Free

32.12

1:32.45

200 Free

31.58

2:04.03

100 Free

1:03.70

Free 500 Y

5:26.83

16

12/13/2024

A

AA: 5:25.69 (+1.14s | 0.3%)

123

3

50 Free

29.91

100 Free

32.99

1:02.90

100 Free

1:02.90

150 Free

32.63

1:35.53

200 Free

32.96

2:08.49

100 Free

1:05.59

250 Free

33.14

2:41.63

300 Free

33.30

3:14.93

100 Free

1:06.44

350 Free

33.16

3:48.09

400 Free

33.23

4:21.32

100 Free

1:06.39

450 Free

33.05

4:54.37

500 Free

32.46

5:26.83

100 Free

1:05.51

Fly 100 Y

1:07.09

16

12/13/2024

BB

A: 1:03.09 (+4.00s | 6.0%)

264

3

50 Fly

31.68

100 Fly

35.41

1:07.09

100 Fly

1:07.09

IM 200 Y

3:08.43

12

07/30/2021

B: 2:43.59 (+24.84s | 13.2%)

373

5

50 Fly

43.73

100 Back

49.87

1:33.60

100 IM

1:33.60

150 Breast

56.03

2:29.63

200 Free

38.80

3:08.43

100 IM

1:34.83

Long course distance

Event	Time	Age	Date	Standard	Next Standard	Southern California Swimming	Seal Beach Swim Club
Free 100 M	1:04.80	16	07/23/2025	A	AA: 1:03.89 (+0.91s \| 1.4%)	240	2

Free 200 M	2:18.34	16	07/23/2025	A	AA: 2:17.69 (+0.65s \| 0.5%)	163	2

Free 400 M	4:51.95	16	07/23/2025	A	AA: 4:50.29 (+1.66s \| 0.6%)	124	2

Above are the fastest times that Lily Mastros has achieved in her swimming career. For each event, you can find Lily's best time, the corresponding time standard, as well as how much faster Lily needs to be to reach the next level. The last columns provide Lily rankings at the team and LSC levels. These rankings are based on the Lily'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
Free 100 Y	57.72	53.99 (+3.73s \| 6.5%)	51.89 (+5.83s \| 10.1%)	51.89 (+5.83s \| 10.1%)	50.39 (+7.33s \| 12.7%)	49.29 (+8.43s \| 14.6%)	49.69 (+8.03s \| 13.9%)
Free 200 Y	2:04.03	1:56.29 (+7.74s \| 6.2%)	1:52.89 (+11.14s \| 9.0%)	1:52.29 (+11.74s \| 9.5%)	1:49.09 (+14.94s \| 12.0%)	1:46.69 (+17.34s \| 14.0%)	1:47.39 (+16.64s \| 13.4%)
Free 500 Y	5:26.83	5:10.69 (+16.14s \| 4.9%)	5:02.59 (+24.24s \| 7.4%)	5:02.59 (+24.24s \| 7.4%)	4:53.09 (+33.74s \| 10.3%)	4:45.99 (+40.84s \| 12.5%)	4:48.09 (+38.74s \| 11.9%)
Fly 100 Y	1:07.09	59.19 (+7.90s \| 11.8%)	56.59 (+10.50s \| 15.7%)	56.59 (+10.50s \| 15.7%)	54.69 (+12.40s \| 18.5%)	53.49 (+13.60s \| 20.3%)	53.99 (+13.10s \| 19.5%)
IM 200 Y	3:08.43	2:10.49 (+57.94s \| 30.7%)	2:06.39 (+62.04s \| 32.9%)	2:06.39 (+62.04s \| 32.9%)	2:02.19 (+66.24s \| 35.2%)	1:59.49 (+68.94s \| 36.6%)	2:00.59 (+67.84s \| 36.0%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 100 M	1:04.80	1:01.89 (+2.91s \| 4.5%)	59.29 (+5.51s \| 8.5%)	59.29 (+5.51s \| 8.5%)	58.19 (+6.61s \| 10.2%)	56.99 (+7.81s \| 12.1%)	57.59 (+7.21s \| 11.1%)
Free 200 M	2:18.34	2:12.99 (+5.35s \| 3.9%)	2:07.79 (+10.55s \| 7.6%)	2:07.79 (+10.55s \| 7.6%)	2:04.99 (+13.35s \| 9.7%)	2:03.09 (+15.25s \| 11.0%)	2:04.29 (+14.05s \| 10.2%)
Free 400 M	4:51.95	4:39.69 (+12.26s \| 4.2%)	4:28.79 (+23.16s \| 7.9%)	4:28.79 (+23.16s \| 7.9%)	4:23.79 (+28.16s \| 9.6%)	4:19.19 (+32.76s \| 11.2%)	4:21.39 (+30.56s \| 10.5%)

Progression

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 CA SCS Summer A G Champs

07/23/2025

Walnut

100 M Free

1:04.80

-0.42s (New PB)

A

AA: 1:04.39 (+0.41s | 0.6%)

16

200 M Free

2:18.34

-1.67s (New PB)

AA

AAA: 2:12.99 (+5.35s | 3.9%)

16

400 M Free

4:51.95

-2.95s (New PB)

A

AA: 4:51.79 (+0.16s | 0.1%)

16

2025 SCS June AG Invite @ La Mirada Armada

06/12/2025

La Mirada

100 M Free

1:05.54

+0.32s

A

AA: 1:04.39 (+1.15s | 1.8%)

16

200 M Free

2:20.48

+0.47s

A

AA: 2:18.99 (+1.49s | 1.1%)

16

2024 CA GWSC SCS WAG

12/13/2024

Huntington Beach

500 Y Free

5:26.83

AA

AAA: 5:15.09 (+11.74s | 3.6%)

16

50 Free

29.91

100 Free

32.99

1:02.90

100 Free

1:02.90

150 Free

32.63

1:35.53

200 Free

32.96

2:08.49

100 Free

1:05.59

250 Free

33.14

2:41.63

300 Free

33.30

3:14.93

100 Free

1:06.44

350 Free

33.16

3:48.09

400 Free

33.23

4:21.32

100 Free

1:06.39

450 Free

33.05

4:54.37

500 Free

32.46

5:26.83

100 Free

1:05.51

200 Y Free

2:04.03

A

AA: 2:02.39 (+1.64s | 1.3%)

16

50 Free

28.83

100 Free

31.50

1:00.33

100 Free

1:00.33

150 Free

32.12

1:32.45

200 Free

31.58

2:04.03

100 Free

1:03.70

100 Y Fly

1:07.09

BB

A: 1:03.79 (+3.30s | 4.9%)

16

50 Fly

31.68

100 Fly

35.41

1:07.09

100 Fly

1:07.09

100 Y Free

57.72

-14.07s (New PB)

A

AA: 56.49 (+1.23s | 2.1%)

16

50 Free

28.26

100 Free

29.46

57.72

100 Free

57.72

2024 CA SCS BREA Summer A G Champs

07/25/2024

Walnut

200 M Free

2:20.01

A

AA: 2:18.99 (+1.02s | 0.7%)

15

400 M Free

4:54.90

A

AA: 4:51.79 (+3.11s | 1.1%)

15

100 M Free

1:05.22

A

AA: 1:04.39 (+0.83s | 1.3%)

15

2021 CA GWSC Summer Sprint

07/30/2021

Huntington Beach

200 Y IM

3:08.43

B: 3:03.89 (+4.54s | 2.4%)

12

3

1

5

50 Fly

43.73

100 Back

49.87

1:33.60

100 IM

1:33.60

150 Breast

56.03

2:29.63

200 Free

38.80

3:08.43

100 IM

1:34.83

100 Y Free

1:11.79

B

BB: 1:09.39 (+2.40s | 3.3%)

12

5

4

50 Free

35.38

100 Free

36.41

1:11.79

100 Free

1:11.79

50 Y Breast

49.53

B: 43.99 (+5.54s | 11.2%)

12

3

5

4

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 100 Y	57.72	53.99 (+3.73s \| 6.5%)	51.89 (+5.83s \| 10.1%)	51.89 (+5.83s \| 10.1%)	50.39 (+7.33s \| 12.7%)	49.29 (+8.43s \| 14.6%)	49.69 (+8.03s \| 13.9%)
Free 200 Y	2:04.03	1:56.29 (+7.74s \| 6.2%)	1:52.89 (+11.14s \| 9.0%)	1:52.29 (+11.74s \| 9.5%)	1:49.09 (+14.94s \| 12.0%)	1:46.69 (+17.34s \| 14.0%)	1:47.39 (+16.64s \| 13.4%)
Free 500 Y	5:26.83	5:10.69 (+16.14s \| 4.9%)	5:02.59 (+24.24s \| 7.4%)	5:02.59 (+24.24s \| 7.4%)	4:53.09 (+33.74s \| 10.3%)	4:45.99 (+40.84s \| 12.5%)	4:48.09 (+38.74s \| 11.9%)
Fly 100 Y	1:07.09	59.19 (+7.90s \| 11.8%)	56.59 (+10.50s \| 15.7%)	56.59 (+10.50s \| 15.7%)	54.69 (+12.40s \| 18.5%)	53.49 (+13.60s \| 20.3%)	53.99 (+13.10s \| 19.5%)
IM 200 Y	3:08.43	2:10.49 (+57.94s \| 30.7%)	2:06.39 (+62.04s \| 32.9%)	2:06.39 (+62.04s \| 32.9%)	2:02.19 (+66.24s \| 35.2%)	1:59.49 (+68.94s \| 36.6%)	2:00.59 (+67.84s \| 36.0%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ
Free 100 M	1:04.80	1:01.89 (+2.91s \| 4.5%)	59.29 (+5.51s \| 8.5%)	59.29 (+5.51s \| 8.5%)	58.19 (+6.61s \| 10.2%)	56.99 (+7.81s \| 12.1%)	57.59 (+7.21s \| 11.1%)
Free 200 M	2:18.34	2:12.99 (+5.35s \| 3.9%)	2:07.79 (+10.55s \| 7.6%)	2:07.79 (+10.55s \| 7.6%)	2:04.99 (+13.35s \| 9.7%)	2:03.09 (+15.25s \| 11.0%)	2:04.29 (+14.05s \| 10.2%)
Free 400 M	4:51.95	4:39.69 (+12.26s \| 4.2%)	4:28.79 (+23.16s \| 7.9%)	4:28.79 (+23.16s \| 7.9%)	4:23.79 (+28.16s \| 9.6%)	4:19.19 (+32.76s \| 11.2%)	4:21.39 (+30.56s \| 10.5%)