Youssef Mahassine

Age: 10 years old
Age Category: 10 & under
Team: Walnut Creek Aquabears | Pacific Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

Walnut Creek Aquabears

Pacific Swimming

Western Zone

USA

Free 25 Y

17.40

09/30/2023

123

310

995

Free 50 Y

32.25

02/13/2026

A: 31.09 (+1.16s | 3.6%)

382

1,000+

Free 100 Y

1:13.45

01/31/2026

A: 1:09.79 (+3.66s | 5.0%)

113

428

1,000+

Free 200 Y

2:36.92

01/31/2026

A: 2:31.59 (+5.33s | 3.4%)

252

941

Free 500 Y

7:00.00

02/13/2026

A: 6:43.39 (+16.61s | 4.0%)

137

634

50 Free

35.99

100 Free

42.70

1:18.69

100 Free

1:18.69

150 Free

43.31

2:02.00

200 Free

42.63

2:44.63

100 Free

1:25.94

250 Free

43.50

3:28.13

300 Free

44.77

4:12.90

100 Free

1:28.27

350 Free

41.62

4:54.52

400 Free

43.08

5:37.60

100 Free

1:24.70

450 Free

43.29

6:20.89

500 Free

39.11

7:00.00

100 Free

1:22.40

Back 25 Y

23.70

09/16/2023

280

816

1,000+

Back 50 Y

38.65

01/31/2026

A: 37.59 (+1.06s | 2.7%)

334

1,000+

Breast 25 Y

27.30

02/03/2024

314

711

1,000+

Breast 50 Y

45.67

02/13/2026

A: 42.09 (+3.58s | 7.8%)

135

441

1,000+

Breast 100 Y

1:41.94

02/13/2026

A: 1:30.59 (+11.35s | 11.1%)

135

522

1,000+

50 Breast

48.82

100 Breast

53.12

1:41.94

100 Breast

1:41.94

Fly 25 Y

24.21

09/16/2023

257

635

1,000+

Fly 50 Y

44.42

02/13/2026

BB: 41.29 (+3.13s | 7.0%)

254

854

1,000+

IM 100 Y

1:25.62

01/31/2026

A: 1:19.69 (+5.93s | 6.9%)

128

422

1,000+

Long course distance

Event	Time	Age	Date	Standard	Next Standard	Walnut Creek Aquabears	Pacific Swimming	Western Zone	USA
Free 50 M	40.29	10	06/20/2025	B	BB: 39.79 (+0.50s \| 1.2%)	3	112	380	692

Free 100 M	1:29.98	10	06/07/2025	BB	A: 1:20.19 (+9.79s \| 10.9%)	2	89	314	553

Free 200 M	3:05.10	10	06/20/2025	BB	A: 2:53.39 (+11.71s \| 6.3%)	2	48	163	285

Back 50 M	55.99	10	06/07/2025		B: 55.39 (+0.60s \| 1.1%)	5	252	863	1,000+

Breast 50 M	56.51	10	06/07/2025	B	BB: 54.39 (+2.12s \| 3.8%)	4	131	413	687

Breast 100 M	2:07.07	10	06/20/2025	B	BB: 1:59.19 (+7.88s \| 6.2%)	3	146	428	696

Fly 50 M	1:01.67	10	06/07/2025		B: 52.29 (+9.38s \| 15.2%)	5	224	682	1,000+

Above are the fastest times that Youssef Mahassine has achieved in his swimming career. For each event, you can find Youssef's best time, the corresponding time standard, as well as how much faster Youssef needs to be to reach the next level. The last columns provide Youssef rankings at the team and LSC levels. These rankings are based on the Youssef'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	32.25	30.99 (+1.26s \| 3.9%)	30.19 (+2.06s \| 6.4%)	26.89 (+5.36s \| 16.6%)	24.79 (+7.46s \| 23.1%)	23.29 (+8.96s \| 27.8%)	22.19 (+10.06s \| 31.2%)	21.29 (+10.96s \| 34.0%)	21.29 (+10.96s \| 34.0%)	20.59 (+11.66s \| 36.2%)	20.09 (+12.16s \| 37.7%)	20.39 (+11.86s \| 36.8%)	N/A	30.49 (+1.76s \| 5.5%)
Free 100 Y	1:13.45	1:09.69 (+3.76s \| 5.1%)	1:07.59 (+5.86s \| 8.0%)	58.69 (+14.76s \| 20.1%)	54.19 (+19.26s \| 26.2%)	51.19 (+22.26s \| 30.3%)	48.19 (+25.26s \| 34.4%)	46.39 (+27.06s \| 36.8%)	46.39 (+27.06s \| 36.8%)	45.09 (+28.36s \| 38.6%)	43.49 (+29.96s \| 40.8%)	44.39 (+29.06s \| 39.6%)	N/A	1:07.19 (+6.26s \| 8.5%)
Free 200 Y	2:36.92	2:29.39 (+7.53s \| 4.8%)	2:26.99 (+9.93s \| 6.3%)	2:08.39 (+28.53s \| 18.2%)	1:58.59 (+38.33s \| 24.4%)	1:52.09 (+44.83s \| 28.6%)	1:45.79 (+51.13s \| 32.6%)	1:41.59 (+55.33s \| 35.3%)	1:41.59 (+55.33s \| 35.3%)	1:38.79 (+58.13s \| 37.0%)	1:36.49 (+60.43s \| 38.5%)	1:38.09 (+58.83s \| 37.5%)	N/A	2:24.99 (+11.93s \| 7.6%)
Free 500 Y	7:00.00	6:37.09 (+22.91s \| 5.5%)	6:26.79 (+33.21s \| 7.9%)	5:47.89 (+72.11s \| 17.2%)	5:21.19 (+98.81s \| 23.5%)	5:04.39 (+115.61s \| 27.5%)	4:47.79 (+132.21s \| 31.5%)	4:37.09 (+142.91s \| 34.0%)	4:37.09 (+142.91s \| 34.0%)	4:29.49 (+150.51s \| 35.8%)	4:22.09 (+157.91s \| 37.6%)	4:27.69 (+152.31s \| 36.3%)	N/A	6:25.49 (+34.51s \| 8.2%)
Back 50 Y	38.65	36.99 (+1.66s \| 4.3%)	35.79 (+2.86s \| 7.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	36.29 (+2.36s \| 6.1%)
Breast 50 Y	45.67	40.99 (+4.68s \| 10.2%)	39.99 (+5.68s \| 12.4%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	40.29 (+5.38s \| 11.8%)
Breast 100 Y	1:41.94	1:28.99 (+12.95s \| 12.7%)	1:26.99 (+14.95s \| 14.7%)	1:13.59 (+28.35s \| 27.8%)	1:07.89 (+34.05s \| 33.4%)	1:02.89 (+39.05s \| 38.3%)	1:00.89 (+41.05s \| 40.3%)	57.99 (+43.95s \| 43.1%)	57.99 (+43.95s \| 43.1%)	55.89 (+46.05s \| 45.2%)	54.19 (+47.75s \| 46.8%)	55.29 (+46.65s \| 45.8%)	N/A	1:26.29 (+15.65s \| 15.4%)
Fly 50 Y	44.42	35.39 (+9.03s \| 20.3%)	33.99 (+10.43s \| 23.5%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	34.69 (+9.73s \| 21.9%)
IM 100 Y	1:25.62	1:18.89 (+6.73s \| 7.9%)	1:16.89 (+8.73s \| 10.2%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1:16.99 (+8.63s \| 10.1%)

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	40.29	35.49 (+4.80s \| 11.9%)	34.39 (+5.90s \| 14.6%)	30.19 (+10.10s \| 25.1%)	27.89 (+12.40s \| 30.8%)	26.79 (+13.50s \| 33.5%)	25.89 (+14.40s \| 35.7%)	24.59 (+15.70s \| 39.0%)	24.59 (+15.70s \| 39.0%)	24.29 (+16.00s \| 39.7%)	23.39 (+16.90s \| 41.9%)	23.79 (+16.50s \| 41.0%)	N/A	22.79 (+17.50s \| 43.4%)	34.59 (+5.70s \| 14.1%)
Free 100 M	1:29.98	1:19.49 (+10.49s \| 11.7%)	1:17.09 (+12.89s \| 14.3%)	1:07.39 (+22.59s \| 25.1%)	1:02.19 (+27.79s \| 30.9%)	59.19 (+30.79s \| 34.2%)	56.09 (+33.89s \| 37.7%)	53.59 (+36.39s \| 40.4%)	53.59 (+36.39s \| 40.4%)	52.59 (+37.39s \| 41.6%)	50.99 (+38.99s \| 43.3%)	51.99 (+37.99s \| 42.2%)	N/A	49.99 (+39.99s \| 44.4%)	1:16.89 (+13.09s \| 14.5%)
Free 200 M	3:05.10	2:49.89 (+15.21s \| 8.2%)	2:46.39 (+18.71s \| 10.1%)	2:27.89 (+37.21s \| 20.1%)	2:16.49 (+48.61s \| 26.3%)	2:09.29 (+55.81s \| 30.2%)	2:03.09 (+62.01s \| 33.5%)	1:57.79 (+67.31s \| 36.4%)	1:57.79 (+67.31s \| 36.4%)	1:55.49 (+69.61s \| 37.6%)	1:52.19 (+72.91s \| 39.4%)	1:54.09 (+71.01s \| 38.4%)	N/A	1:49.99 (+75.11s \| 40.6%)	2:44.69 (+20.41s \| 11.0%)
Back 50 M	55.99	42.99 (+13.00s \| 23.2%)	40.79 (+15.20s \| 27.1%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	41.59 (+14.40s \| 25.7%)
Breast 50 M	56.51	46.99 (+9.52s \| 16.8%)	45.59 (+10.92s \| 19.3%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	46.29 (+10.22s \| 18.1%)
Breast 100 M	2:07.07	1:42.69 (+24.38s \| 19.2%)	1:39.19 (+27.88s \| 21.9%)	1:25.49 (+41.58s \| 32.7%)	1:18.89 (+48.18s \| 37.9%)	1:13.79 (+53.28s \| 41.9%)	1:11.29 (+55.78s \| 43.9%)	1:08.19 (+58.88s \| 46.3%)	1:08.19 (+58.88s \| 46.3%)	1:06.59 (+60.48s \| 47.6%)	1:04.09 (+62.98s \| 49.6%)	1:05.29 (+61.78s \| 48.6%)	N/A	1:02.19 (+64.88s \| 51.1%)	1:40.19 (+26.88s \| 21.2%)
Fly 50 M	1:01.67	40.19 (+21.48s \| 34.8%)	38.49 (+23.18s \| 37.6%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	39.19 (+22.48s \| 36.5%)

Progression

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Meets

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

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2026 Neptune Swimming Invitational

02/13/2026

Santa Rosa

50 Y Fly

44.42

-2.81s (New PB)

BB: 41.29 (+3.13s | 7.0%)

100 Y Breast

1:41.94

-0.96s (New PB)

A: 1:30.59 (+11.35s | 11.1%)

50 Breast

48.82

100 Breast

53.12

1:41.94

100 Breast

1:41.94

50 Y Back

42.55

+3.90s

A: 37.59 (+4.96s | 11.7%)

500 Y Free

7:00.00

-22.95s (New PB)

A: 6:43.39 (+16.61s | 4.0%)

50 Free

35.99

100 Free

42.70

1:18.69

100 Free

1:18.69

150 Free

43.31

2:02.00

200 Free

42.63

2:44.63

100 Free

1:25.94

250 Free

43.50

3:28.13

300 Free

44.77

4:12.90

100 Free

1:28.27

350 Free

41.62

4:54.52

400 Free

43.08

5:37.60

100 Free

1:24.70

450 Free

43.29

6:20.89

500 Free

39.11

7:00.00

100 Free

1:22.40

100 Y Free

1:16.30

+2.85s

A: 1:09.79 (+6.51s | 8.5%)

50 Free

36.48

100 Free

39.82

1:16.30

100 Free

1:16.30

50 Y Breast

45.67

-0.57s (New PB)

A: 42.09 (+3.58s | 7.8%)

50 Y Free

32.25

-0.07s (New PB)

A: 31.09 (+1.16s | 3.6%)

Zone 2 Winter Championship Meet

01/31/2026

Hayward

50 Y Breast

46.24

-2.53s (New PB)

A: 42.09 (+4.15s | 9.0%)

100 Y IM

1:25.62

-7.02s (New PB)

A: 1:19.69 (+5.93s | 6.9%)

100 Y Free

1:13.45

-3.62s (New PB)

A: 1:09.79 (+3.66s | 5.0%)

50 Y Back

38.65

-10.43s (New PB)

A: 37.59 (+1.06s | 2.7%)

50 Y Free

32.32

-0.49s (New PB)

A: 31.09 (+1.23s | 3.8%)

200 Y Free

2:36.92

-9.41s (New PB)

A: 2:31.59 (+5.33s | 3.4%)

Kati McDermott Memorial Fall Jamboree Invite

11/01/2025

Moraga

100 Y IM

1:32.64

-6.44s (New PB)

BB: 1:29.69 (+2.95s | 3.2%)

50 Y Free

32.81

-0.77s (New PB)

A: 31.09 (+1.72s | 5.2%)

50 Y Breast

48.77

-3.94s (New PB)

BB: 47.69 (+1.08s | 2.2%)

100 Y Breast

1:51.56

+8.66s

BB: 1:42.29 (+9.27s | 8.3%)

PC SRVA SCY B BB+ Meet

10/18/2025

San Ramon

50 Y Free

33.58

-2.50s (New PB)

A: 31.09 (+2.49s | 7.4%)

500 Y Free

7:22.95

A: 6:43.39 (+39.56s | 8.9%)

100 Y Free

1:17.07

-8.71s (New PB)

A: 1:09.79 (+7.28s | 9.4%)

50 Y Fly

47.23

-6.74s (New PB)

B: 46.49 (+0.74s | 1.6%)

100 Y Breast

1:42.90

BB: 1:42.29 (+0.61s | 0.6%)

200 Y Free

2:46.33

A: 2:31.59 (+14.74s | 8.9%)

Zone 2 Last Chance To AG Champs

06/20/2025

Concord

100 M Breast

2:07.07

BB: 1:59.19 (+7.88s | 6.2%)

100 M Free

1:30.32

+0.34s

A: 1:20.19 (+10.13s | 11.2%)

200 M Free

3:05.10

A: 2:53.39 (+11.71s | 6.3%)

50 M Free

40.29

-0.37s (New PB)

BB: 39.79 (+0.50s | 1.2%)

Orinda Aquatics LC C B BB+ Meet

06/07/2025

Moraga

50 M Free

40.66

-1.97s (New PB)

BB: 39.79 (+0.87s | 2.1%)

50 M Back

55.99

-5.88s (New PB)

B: 55.39 (+0.60s | 1.1%)

50 M Fly

1:01.67

-10.12s (New PB)

B: 52.29 (+9.38s | 15.2%)

50 M Breast

56.51

-7.77s (New PB)

BB: 54.39 (+2.12s | 3.8%)

100 M Free

1:29.98

-9.96s (New PB)

A: 1:20.19 (+9.79s | 10.9%)

Pac Swim SC B BB+ Last Chance Hosted By TERA

03/01/2025

Concord

50 Y Back

50.18

+1.10s

B: 48.29 (+1.89s | 3.8%)

50 Y Free

38.06

+1.98s

BB: 34.59 (+3.47s | 9.1%)

Zone 2 Winter Championship Meet

02/01/2025

Hayward

50 Y Back

50.87

+1.79s

B: 48.29 (+2.58s | 5.1%)

100 Y IM

1:39.08

BB: 1:29.69 (+9.39s | 9.5%)

Richard Thorntorn Memorial Meet SCY CBBB+

12/14/2024

San Ramon

50 Y Breast

52.82

+0.11s

BB: 47.69 (+5.13s | 9.7%)

50 Y Free

36.08

-1.98s (New PB)

BB: 34.59 (+1.49s | 4.1%)

50 Y Back

52.25

+3.17s

B: 48.29 (+3.96s | 7.6%)

Pacific Swimming SCY B BB+ Last Chance Meet

11/15/2024

Concord

100 Y Free

1:25.78

-4.06s (New PB)

BB: 1:18.89 (+6.89s | 8.0%)

50 Y Free

38.06

-1.65s (New PB)

BB: 34.59 (+3.47s | 9.1%)

50 Y Breast

52.71

-3.53s (New PB)

BB: 47.69 (+5.02s | 9.5%)

50 Y Back

49.08

-3.87s (New PB)

B: 48.29 (+0.79s | 1.6%)

NVST S LAST CHANCE JO SUMMER PLUNGE

06/22/2024

Napa

50 M Free

42.63

-5.95s (New PB)

BB: 39.79 (+2.84s | 6.7%)

50 M Back

1:01.87

-1.01s (New PB)

B: 55.39 (+6.48s | 10.5%)

50 M Breast

1:04.28

-8.69s (New PB)

B: 1:00.89 (+3.39s | 5.3%)

100 M Free

1:39.94

-19.94s (New PB)

BB: 1:30.59 (+9.35s | 9.4%)

Albany Armada Aquatics SC C B BB+

05/31/2024

Albany

50 Y Breast

56.24

-3.09s (New PB)

B: 53.39 (+2.85s | 5.1%)

50 Y Back

53.39

+0.44s

B: 48.29 (+5.10s | 9.6%)

50 Y Free

45.71

+6.00s

B: 38.19 (+7.52s | 16.5%)

100 Y Free

1:37.92

+8.08s

B: 1:27.99 (+9.93s | 10.1%)

SRN 14 UN Invitational

02/16/2024

Santa Rosa

50 Y Free

40.02

+0.31s

B: 38.19 (+1.83s | 4.6%)

100 Y Free

1:29.84

-3.26s (New PB)

B: 1:27.99 (+1.85s | 2.1%)

50 Free

40.66

100 Free

49.18

1:29.84

100 Free

1:29.84

50 Y Breast

59.33

-0.37s (New PB)

B: 53.39 (+5.94s | 10.0%)

50 Y Fly

1:00.11

+6.14s

B: 46.49 (+13.62s | 22.7%)

2024 Zone 2 SC Championship Meet

02/03/2024

Stockton

25 Y Breast

27.30

-0.23s (New PB)

25 Y Free

18.31

+0.91s

50 Y Free

39.71

-0.92s (New PB)

B: 38.19 (+1.52s | 3.8%)

SRVA SCY CBBB+

12/09/2023

San Ramon

25 Y Free

18.31

+0.91s

50 Y Free

41.83

+1.20s

B: 38.19 (+3.64s | 8.7%)

25 Y Breast

30.17

+2.64s

50 Y Fly

53.97

B: 46.49 (+7.48s | 13.9%)

25 Y Back

32.04

+8.34s

25 Y Fly

25.33

+1.12s

50 Y Back

55.86

+2.91s

B: 48.29 (+7.57s | 13.6%)

LAC Nov 18 Quad Meet

11/18/2023

Livermore

25 Y Fly

26.52

+2.31s

50 Y Free

41.90

+1.27s

B: 38.19 (+3.71s | 8.9%)

50 Y Breast

59.70

-0.29s (New PB)

B: 53.39 (+6.31s | 10.6%)

BSW C B BB+ Sep 30 Oct 1, 2023

09/30/2023

Brentwood

25 Y Free

17.40

-0.41s (New PB)

25 Y Back

25.60

+1.90s

50 Y Free

40.63

-0.25s (New PB)

B: 38.19 (+2.44s | 6.0%)

50 Y Back

53.35

+0.40s

B: 48.29 (+5.06s | 9.5%)

50 Y Breast

59.99

B: 53.39 (+6.60s | 11.0%)

100 Y Free

1:33.10

B: 1:27.99 (+5.11s | 5.5%)

25 Y Fly

26.26

+2.05s

Crow Canyon Sharks Shortcourse C B BB+

09/16/2023

San Ramon

25 Y Breast

27.53

-1.54s (New PB)

25 Y Free

17.81

-2.16s (New PB)

50 Y Free

40.88

-6.16s (New PB)

B: 38.19 (+2.69s | 6.6%)

25 Y Fly

24.21

25 Y Back

23.70

-2.68s (New PB)

50 Y Back

52.95

B: 48.29 (+4.66s | 8.8%)

BSW Zone 2 C B B++ LCM (PC 23 073)

06/24/2023

Brentwood

50 M Breast

1:12.97

B: 1:00.89 (+12.08s | 16.6%)

50 M Free

48.58

-2.47s (New PB)

B: 43.89 (+4.69s | 9.7%)

50 M Fly

1:15.33

+3.54s

B: 52.29 (+23.04s | 30.6%)

50 M Back

1:03.83

+0.95s

B: 55.39 (+8.44s | 13.2%)

2023 TYR Memorial Day Classic

05/27/2023

Stockton

50 M Free

51.05

B: 43.89 (+7.16s | 14.0%)

50 M Back

1:07.94

+5.06s

B: 55.39 (+12.55s | 18.5%)

Terrapins LCM C B BB+ Meet

05/13/2023

Concord

50 M Fly

1:11.79

B: 52.29 (+19.50s | 27.2%)

100 M Free

1:59.88

B: 1:40.99 (+18.89s | 15.8%)

50 M Back

1:02.88

B: 55.39 (+7.49s | 11.9%)

Terrapins SCY C B BB+ Meet

03/18/2023

Concord

25 Y Free

19.97

-2.73s (New PB)

50 Y Free

47.04

-3.73s (New PB)

B: 38.19 (+8.85s | 18.8%)

25 Y Breast

29.07

-6.66s (New PB)

25 Y Back

26.38

-1.78s (New PB)

SRVA SCY CBBB+

12/10/2022

San Ramon

25 Y Back

28.16

25 Y Free

22.70

-1.64s (New PB)

50 Y Free

55.74

+4.97s

B: 38.19 (+17.55s | 31.5%)

25 Y Breast

35.73

SRVA SCY CBBB+

10/29/2022

San Ramon

25 Y Free

24.34

50 Y Free

50.77

B: 38.19 (+12.58s | 24.8%)

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