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USA Boys 10 & under - 100 Y Breast

These rankings show the swimmers' placement within the United States.
They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.

Swimmer Rankings

Ranking Name Time Age Standard to Next Standard Team Date Meet
1951 Aaron Kostogorov 1:43.47 10 B Min BB: 1:42.29 (+1.18s | 1.1%) Asheville Jewish Community Cen 11/15/2025 2025 The Gourd Time Gathering
50 Breast
50.05
50.05
100 Breast
53.42
1:43.47
100 Breast
1:43.47
1952 Obinna Uzowulu 1:43.47 10 B Min BB: 1:42.29 (+1.18s | 1.1%) Alamo Area Aquatic Association 01/10/2026 2026 ST AHAC B Champs South Copied
50 Breast
47.45
47.45
100 Breast
56.02
1:43.47
100 Breast
1:43.47
1953 Luke Brophy 1:43.48 9 B Min BB: 1:42.29 (+1.19s | 1.1%) Irvine Novaquatics 12/12/2025 2025 CA SCS SCAT WAG
50 Breast
49.94
49.94
100 Breast
53.54
1:43.48
100 Breast
1:43.48
1954 Jackson Luding 1:43.48 8 B Min BB: 1:42.29 (+1.19s | 1.1%) Asphalt Green Unified Aquatics 01/30/2026 2026 MR LIE Second Chance Invitational
50 Breast
48.80
48.80
100 Breast
54.68
1:43.48
100 Breast
1:43.48
1955 Connor Huang 1:43.49 10 B Min BB: 1:42.29 (+1.20s | 1.2%) Metro Dynasty Swim Team 02/13/2026 39th Black History Swim Meet
50 Breast
49.85
49.85
100 Breast
53.64
1:43.49
100 Breast
1:43.49
1956 Ethan Yao 1:43.49 9 B Min BB: 1:42.29 (+1.20s | 1.2%) Long Island Aquatic Club 01/16/2026 2026 MR NFS 43rd Annual Dr MLK Jr Invite
50 Breast
49.85
49.85
100 Breast
53.64
1:43.49
100 Breast
1:43.49
1957 Kaimana Zablan 1:43.51 10 B Min BB: 1:42.29 (+1.22s | 1.2%) Waikoloa Swim Club 02/26/2026 2026 HI Hawaiian Swimming SCY AGChamps
50 Breast
49.84
49.84
100 Breast
53.67
1:43.51
100 Breast
1:43.51
1958 Liam Laughton 1:43.51 10 B Min BB: 1:42.29 (+1.22s | 1.2%) Retriever Aquatic Club 11/14/2025 GBSA 2025 Thanksgiving Swim Fest
50 Breast
48.40
48.40
100 Breast
55.11
1:43.51
100 Breast
1:43.51
1959 James Kowen 1:43.52 9 B Min BB: 1:42.29 (+1.23s | 1.2%) Punahou Aquatics Institute 03/07/2026 2026 HI Junior Age Group SCY Championship
1960 Wyatt Whitt 1:43.53 9 B Min BB: 1:42.29 (+1.24s | 1.2%) Quest Swimming 03/21/2026 Quest Swimming March Madness Intrasquad Mee
1961 Marsel Saidashev 1:43.53 8 B Min BB: 1:42.29 (+1.24s | 1.2%) SwimRight Team 10/10/2025 2025 Gulliver Fall Classic
50 Breast
48.13
48.13
100 Breast
55.40
1:43.53
100 Breast
1:43.53
1962 Theodore Carpenter 1:43.58 10 B Min BB: 1:42.29 (+1.29s | 1.2%) COSA Swimming 01/02/2026 2026 CO COSA New Year Open
50 Breast
48.47
48.47
100 Breast
55.11
1:43.58
100 Breast
1:43.58
1963 Corey Kan 1:43.59 8 B Min BB: 1:42.29 (+1.30s | 1.3%) Hydra Aquatics 12/20/2025 2025 Candy Cane Sprints
50 Breast
49.02
49.02
100 Breast
54.57
1:43.59
100 Breast
1:43.59
1964 Kai Chen 1:43.59 10 B Min BB: 1:42.29 (+1.30s | 1.3%) Alto Swim Club 03/28/2026 Alto Rock The Blocks Invitational 2026
50 Breast
48.45
48.45
100 Breast
55.14
1:43.59
100 Breast
1:43.59
1965 Jayden Li 1:43.59 9 B Min BB: 1:42.29 (+1.30s | 1.3%) Crimson Aquatics 01/09/2026 2026 NE CRIM Jan Team Specialty
50 Breast
48.83
48.83
100 Breast
54.76
1:43.59
100 Breast
1:43.59
1966 Henry Jarchow 1:43.66 9 B Min BB: 1:42.29 (+1.37s | 1.3%) St Croix Swim Club 02/13/2026 2026 MN RSC President S Day Meet
50 Breast
49.13
49.13
100 Breast
54.53
1:43.66
100 Breast
1:43.66
1967 Andrew Butters 1:43.67 10 B Min BB: 1:42.29 (+1.38s | 1.3%) Raleigh Swimming Association 03/26/2026 2026 NCAC Spring Tar Heel States Copied
50 Breast
47.45
47.45
50 Breast
47.45
100 Breast
56.22
1:43.67
50 Breast
56.22
1968 Bo Cunningham 1:43.68 10 B Min BB: 1:42.29 (+1.39s | 1.3%) North Jeffco Swim Team 03/06/2026 2026 CO 14 U Silver State
50 Breast
49.53
49.53
100 Breast
54.15
1:43.68
100 Breast
1:43.68
1969 Tyler Mirasol 1:43.68 9 B Min BB: 1:42.29 (+1.39s | 1.3%) Quicksilver Swimming 02/07/2026 Valley Splash Short Course C B A Meet
1970 Macklin Robson 1:43.70 10 B Min BB: 1:42.29 (+1.41s | 1.4%) Cincinnati Marlins 02/19/2026 2026 OH CM SC Regional Championships
50 Breast
50.74
50.74
100 Breast
52.96
1:43.70
100 Breast
1:43.70
1971 Felix Hagen 1:43.70 10 B Min BB: 1:42.29 (+1.41s | 1.4%) Hurricanes Swim Team 02/27/2026 2026 MN WEST Minnesota Regional Championship
50 Breast
49.26
49.26
100 Breast
54.44
1:43.70
100 Breast
1:43.70
1972 Ethan Li 1:43.71 10 B Min BB: 1:42.29 (+1.42s | 1.4%) Los Altos Mountain View Aquati 03/28/2026 LAMV C B A+ Meet
50 Breast
48.13
48.13
100 Breast
55.58
1:43.71
100 Breast
1:43.71
1973 Titan Otterstrom 1:43.72 10 B Min BB: 1:42.29 (+1.43s | 1.4%) Aquawolves Swimming 03/06/2026 2026 CO 14 U Silver State
50 Breast
48.96
48.96
100 Breast
54.76
1:43.72
100 Breast
1:43.72
1974 Wesley Lang 1:43.72 9 B Min BB: 1:42.29 (+1.43s | 1.4%) River Road Swim Team 01/31/2026 Superior Aquatics Last Chance 2026
50 Breast
51.29
51.29
100 Breast
52.43
1:43.72
100 Breast
1:43.72
1975 Oliver Orton 1:43.72 10 B Min BB: 1:42.29 (+1.43s | 1.4%) YMCA Fairfax County Reston 12/05/2025 2025 Christmas Championships
50 Breast
48.06
48.06
100 Breast
55.66
1:43.72
100 Breast
1:43.72
1976 Easton Hardman 1:43.72 9 B Min BB: 1:42.29 (+1.43s | 1.4%) Piranha Aquatics 02/20/2026 2026 OH Akron SC Regional Championships
50 Breast
50.23
50.23
100 Breast
53.49
1:43.72
100 Breast
1:43.72
1977 Jay Kowren 1:43.73 10 B Min BB: 1:42.29 (+1.44s | 1.4%) Bainbridge Island Swim Club 01/31/2026 2026 PN BISC Bluefin Invitational
50 Breast
47.44
47.44
100 Breast
56.29
1:43.73
100 Breast
1:43.73
1978 Marc Villa 1:43.73 10 B Min BB: 1:42.29 (+1.44s | 1.4%) Bgc-N. Westchester Marlins 03/07/2026 2026 MR AGUA Last Chance Invitational
50 Breast
50.60
50.60
100 Breast
53.13
1:43.73
100 Breast
1:43.73
1979 Ethan Yang 1:43.73 8 B Min BB: 1:42.29 (+1.44s | 1.4%) Alto Swim Club 03/07/2026 DACA CBA Meet
1980 Andrei Krutous 1:43.73 10 B Min BB: 1:42.29 (+1.44s | 1.4%) Fairfield Aquatics 03/26/2026 Destination Athlete Centennial Invite 2026
50 Breast
45.66
45.66
100 Breast
58.07
1:43.73
100 Breast
1:43.73
1981 Ezra Junio 1:43.74 10 B Min BB: 1:42.29 (+1.45s | 1.4%) Legacy Aquatics 02/06/2026 Legacy Aquatics Spring Qualifier
50 Breast
49.60
49.60
100 Breast
54.14
1:43.74
100 Breast
1:43.74
1982 Tucker Moon 1:43.75 9 B Min BB: 1:42.29 (+1.46s | 1.4%) Redding Swim Club 11/22/2025 Thankswimming Classic 2025
1983 Roderick Yang 1:43.76 9 B Min BB: 1:42.29 (+1.47s | 1.4%) Flying Fish Arizona Swim Team 02/13/2026 34th Annual Lost Dutchman Invitational
50 Breast
48.93
48.93
100 Breast
54.83
1:43.76
100 Breast
1:43.76
1984 Mason Murphy 1:43.76 8 B Min BB: 1:42.29 (+1.47s | 1.4%) SwimMAC Carolina 03/07/2026 2026 SwimMAC BC Championship
50 Breast
51.27
51.27
100 Breast
52.49
1:43.76
100 Breast
1:43.76
1985 Declan Kimball 1:43.76 10 B Min BB: 1:42.29 (+1.47s | 1.4%) Williamsburg Aquatic Club 02/13/2026 2026 Southeast District 9 12 Championship
50 Breast
48.62
48.62
100 Breast
55.14
1:43.76
100 Breast
1:43.76
1986 Caleb Ingraham 1:43.76 10 B Min BB: 1:42.29 (+1.47s | 1.4%) Alamo Area Aquatic Association 01/10/2026 2026 ST AHAC B Champs South Copied
50 Breast
49.45
49.45
100 Breast
54.31
1:43.76
100 Breast
1:43.76
1987 Ethan Manning 1:43.77 10 B Min BB: 1:42.29 (+1.48s | 1.4%) Aces Swim Club 03/06/2026 2026 CO 14 U Silver State
50 Breast
50.34
50.34
100 Breast
53.43
1:43.77
100 Breast
1:43.77
1988 Steven Luo 1:43.77 9 B Min BB: 1:42.29 (+1.48s | 1.4%) Rockville Montgomery Swim Club 01/16/2026 2026 RMSC January Intrasquad Meet
50 Breast
49.74
49.74
100 Breast
54.03
1:43.77
100 Breast
1:43.77
1989 Julian Xu 1:43.79 10 B Min BB: 1:42.29 (+1.50s | 1.4%) Westchester Aquatic Club 02/28/2026 2026 MR QNS I Know I Can Invitational
50 Breast
49.22
49.22
100 Breast
54.57
1:43.79
100 Breast
1:43.79
1990 Tristan Zhang 1:43.79 9 B Min BB: 1:42.29 (+1.50s | 1.4%) SwimMAC Carolina 03/07/2026 2026 SwimMAC BC Championship
50 Breast
51.06
51.06
100 Breast
52.73
1:43.79
100 Breast
1:43.79
1991 Sebastian Mejia 1:43.80 10 B Min BB: 1:42.29 (+1.51s | 1.5%) Enfinity Aquatic Club 11/07/2025 2025 EAC Cornucopia Classic
50 Breast
49.20
49.20
100 Breast
54.60
1:43.80
100 Breast
1:43.80
1992 Samuel Cronovich 1:43.81 10 B Min BB: 1:42.29 (+1.52s | 1.5%) Utica Shelby Swim Club 03/07/2026 2026 Lake Huron Regional Meet
50 Breast
48.54
48.54
100 Breast
55.27
1:43.81
100 Breast
1:43.81
1993 Ansh Dhuri 1:43.81 10 B Min BB: 1:42.29 (+1.52s | 1.5%) Issaquah Swim Team 03/28/2026 2026 PN Spring Showdown, Div1 Approved
50 Breast
50.35
50.35
100 Breast
53.46
1:43.81
100 Breast
1:43.81
1994 Tristan Wolfe-Ramsey 1:43.81 9 B Min BB: 1:42.29 (+1.52s | 1.5%) Razor Aquatics 03/07/2026 2026 Lake Erie Regional Meet
50 Breast
49.25
49.25
100 Breast
54.56
1:43.81
100 Breast
1:43.81
1995 Noah Gaal 1:43.81 9 B Min BB: 1:42.29 (+1.52s | 1.5%) Aces Swim Club 03/06/2026 2026 CO 14 U Silver State
50 Breast
9.02
9.02
100 Breast
1:34.79
1:43.81
100 Breast
1:43.81
1996 Haoran Li 1:43.81 9 B Min BB: 1:42.29 (+1.52s | 1.5%) SwimMAC Carolina 03/20/2026 2026 SwimMAC Tar Heel States
50 Breast
51.01
51.01
100 Breast
52.80
1:43.81
100 Breast
1:43.81
1997 Nolan Vargason 1:43.82 9 B Min BB: 1:42.29 (+1.53s | 1.5%) Unattached 01/09/2026 2026 IA Midwest All Stars 09Jan2026 Midwestern
50 Breast
48.39
48.39
100 Breast
55.43
1:43.82
100 Breast
1:43.82
1998 Jacob Bowes 1:43.82 10 B Min BB: 1:42.29 (+1.53s | 1.5%) Nation\\\\\\'s Capital Swim Club 03/21/2026 2026 MAKO SPRING FLING
50 Breast
48.23
48.23
100 Breast
55.59
1:43.82
100 Breast
1:43.82
1999 Emory Hulslander 1:43.83 10 B Min BB: 1:42.29 (+1.54s | 1.5%) Aces Swim Club 03/07/2025 2025 CO CSI Silver State Championships
50 Breast
48.98
48.98
100 Breast
54.85
1:43.83
100 Breast
1:43.83
2000 Lucas Ferguson 1:43.83 10 B Min BB: 1:42.29 (+1.54s | 1.5%) Aquatic Team Of Mecklenburg 03/20/2026 2026 BRSL Championships
50 Breast
49.35
49.35
100 Breast
54.48
1:43.83
100 Breast
1:43.83

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.