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USA Boys 10 & under - 100 Y Free

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
1151 Dean Deliessche 1:09.91 10 BB Min A: 1:09.79 (+0.12s | 0.2%) Trident Aquatic Club 02/20/2026 2026 MR Metro Silver Central Champs WEST
50 Free
32.79
32.79
100 Free
37.12
1:09.91
100 Free
1:09.91
1152 Wes Sens 1:09.92 10 BB Min A: 1:09.79 (+0.13s | 0.2%) Mako Swim Team 03/12/2026 2026 OH SC Junior Championships
50 Free
32.99
32.99
100 Free
36.93
1:09.92
100 Free
1:09.92
1153 Emmanuel Schmid Leon 1:09.93 10 BB Min A: 1:09.79 (+0.14s | 0.2%) South Florida Aquatic Club 03/05/2026 2026 FG Age Group SCY Championships
50 Free
33.41
33.41
100 Free
36.52
1:09.93
100 Free
1:09.93
1154 Andy Wang 1:09.94 10 BB Min A: 1:09.79 (+0.15s | 0.2%) Tualatin Hills Swim Club 10/17/2025 2025 THSC Fall Open
50 Free
32.74
32.74
100 Free
37.20
1:09.94
100 Free
1:09.94
1155 Nathan Huo 1:09.96 5 BB Min A: 1:09.79 (+0.17s | 0.2%) Soda Fall 11/01/2025 Kati McDermott Memorial Fall Jamboree Invite
1156 Marcus Kalmi 1:09.96 9 BB Min A: 1:09.79 (+0.17s | 0.2%) Riptide Swim Team 03/07/2026 2026 MN RSC 10 U State Championship
50 Free
32.96
32.96
100 Free
37.00
1:09.96
100 Free
1:09.96
1157 Zhengran Shao 1:09.96 10 BB Min A: 1:09.79 (+0.17s | 0.2%) Bolles School Sharks 03/01/2026 2026 Last Chance Meet
50 Free
32.52
32.52
100 Free
37.44
1:09.96
100 Free
1:09.96
1158 David Preble 1:09.97 10 BB Min A: 1:09.79 (+0.18s | 0.3%) Kent County YMCA 02/13/2026 2026 NE SAC 10 Under Champs
50 Free
1:10.14
1:10.14
100 Free
0.-17
1:09.97
100 Free
1:09.97
1159 Jackson Collier 1:09.97 10 BB Min A: 1:09.79 (+0.18s | 0.3%) Cypress Fairbanks Swim Club 01/31/2025 2025 Fleet Mardi Gras
50 Free
33.11
33.11
100 Free
36.86
1:09.97
100 Free
1:09.97
1160 Max Chen 1:09.97 9 BB Min A: 1:09.79 (+0.18s | 0.3%) Nashville Aquatic Club 03/06/2026 Speedo Southern Premier
50 Free
32.90
32.90
100 Free
37.07
1:09.97
100 Free
1:09.97
1161 Mylan Ambotas 1:09.98 10 BB Min A: 1:09.79 (+0.19s | 0.3%) Empire Swimming 12/11/2025 2025 NE CRA Winter Invitational
50 Free
33.53
33.53
100 Free
36.45
1:09.98
100 Free
1:09.98
1162 Owen Kramer 1:09.98 10 BB Min A: 1:09.79 (+0.19s | 0.3%) New Wave Swim Team 03/25/2026 2026 TAC TITANS Tarheel States Meet
50 Free
33.62
33.62
100 Free
36.36
1:09.98
100 Free
1:09.98
1163 Memphis Jones 1:10.00 10 BB Min A: 1:09.79 (+0.21s | 0.3%) Crescent Valley 02/15/2025 2025 OR HS 5a 3
50 Free
33.60
33.60
100 Free
36.40
1:10.00
100 Free
1:10.00
1164 Ryan Yoon 1:10.00 10 BB Min A: 1:09.79 (+0.21s | 0.3%) Sierra Marlins Swim Team 02/13/2026 2026 Neptune Swimming Invitational
50 Free
34.03
34.03
100 Free
35.97
1:10.00
100 Free
1:10.00
1165 Sebastian Michel 1:10.01 10 BB Min A: 1:09.79 (+0.22s | 0.3%) Katy Aquatic Team For Youth 02/21/2025 2025 Gulf 12 Under Champs (KATY)
50 Free
33.14
33.14
100 Free
36.87
1:10.01
100 Free
1:10.01
1166 Edwin Semple 1:10.02 10 BB Min A: 1:09.79 (+0.23s | 0.3%) The Spartans of La Canada 12/12/2025 2025 CA SCS RAA WAG
50 Free
34.32
34.32
100 Free
35.70
1:10.02
100 Free
1:10.02
1167 Alexander Harris 1:10.03 10 BB Min A: 1:09.79 (+0.24s | 0.3%) El Paso Chapin 11/07/2025 2025 Loretto Cathedral Invite
1168 William Yiengst 1:10.03 10 BB Min A: 1:09.79 (+0.24s | 0.3%) Machine Aquatics 02/13/2026 39th Black History Swim Meet
50 Free
33.76
33.76
100 Free
36.27
1:10.03
100 Free
1:10.03
1169 Muayib Mohamed 1:10.03 10 BB Min A: 1:09.79 (+0.24s | 0.3%) Renton 02/13/2026 2026 (WIAA)Sea King Dist II 1A 2A Boys HS OB
1170 Wilder Phillippay 1:10.04 10 BB Min A: 1:09.79 (+0.25s | 0.4%) West Linn 02/13/2026 2026 OR HS 6A 5
1171 Zackary Chuck 1:10.04 10 BB Min A: 1:09.79 (+0.25s | 0.4%) Boys & Girls Club of SF 11/08/2025 TCA PC November SC C B A+
50 Free
33.42
33.42
100 Free
36.62
1:10.04
100 Free
1:10.04
1172 Randall Plaisance 1:10.05 9 BB Min A: 1:09.79 (+0.26s | 0.4%) Opelika Swim Team 02/27/2026 2026 SE Southeastern Winter SC Championships
50 Free
33.42
33.42
100 Free
36.63
1:10.05
100 Free
1:10.05
1173 Henry Kaiser 1:10.05 10 BB Min A: 1:09.79 (+0.26s | 0.4%) Nation\\\\\\'s Capital Swim Club 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Free
34.43
34.43
100 Free
35.62
1:10.05
100 Free
1:10.05
1174 Elijah Dailey 1:10.06 10 BB Min A: 1:09.79 (+0.27s | 0.4%) 12/12/2025 2025 CA SCS SCAT WAG
50 Free
32.87
32.87
100 Free
37.19
1:10.06
100 Free
1:10.06
1175 Everett Armentrout 1:10.06 10 BB Min A: 1:09.79 (+0.27s | 0.4%) Barracuda Swim Club of Northea 01/24/2026 2026 BSC Polar Bear Meet
50 Free
32.90
32.90
100 Free
37.16
1:10.06
100 Free
1:10.06
1176 Max Fujino 1:10.07 10 BB Min A: 1:09.79 (+0.28s | 0.4%) Splash Aquatics 02/26/2026 2026 HI Hawaiian Swimming SCY AGChamps
50 Free
33.44
33.44
100 Free
36.63
1:10.07
100 Free
1:10.07
1177 Joss Werr 1:10.08 10 BB Min A: 1:09.79 (+0.29s | 0.4%) SwimMAC Carolina 03/20/2026 2026 SwimRVA Clover Cup
50 Free
33.95
33.95
100 Free
36.13
1:10.08
100 Free
1:10.08
1178 Caleb Harrison 1:10.10 10 BB Min A: 1:09.79 (+0.31s | 0.4%) Huntsville Swim Association 02/27/2026 2026 SE Southeastern Winter SC Championships
50 Free
34.49
34.49
100 Free
35.61
1:10.10
100 Free
1:10.10
1179 Lachlan Swanborough 1:10.10 10 BB Min A: 1:09.79 (+0.31s | 0.4%) Central 02/15/2025 2025 OR HS 5a 3
50 Free
36.55
36.55
100 Free
33.55
1:10.10
100 Free
1:10.10
1180 David Goldenberg 1:10.12 10 BB Min A: 1:09.79 (+0.33s | 0.5%) Bellevue Club Swim Team 10/11/2025 2025 PN MMSC Fall Invite
50 Free
32.71
32.71
100 Free
37.41
1:10.12
100 Free
1:10.12
1181 Tyler Zhang 1:10.13 10 BB Min A: 1:09.79 (+0.34s | 0.5%) Pacific Dragons Swim Team 01/24/2026 2026 PN PDST Winter Invitational Meet Approv
50 Free
33.11
33.11
100 Free
37.02
1:10.13
100 Free
1:10.13
1182 Liam Heppermann 1:10.13 10 BB Min A: 1:09.79 (+0.34s | 0.5%) Seahawks Swim club 02/27/2026 Ozark Division I Championship
50 Free
34.36
34.36
100 Free
35.77
1:10.13
100 Free
1:10.13
1183 Hudson Kieschnick 1:10.14 10 BB Min A: 1:09.79 (+0.35s | 0.5%) Houston Hydra 12/06/2024 2024 Gulf Age Group Championships
50 Free
33.41
33.41
100 Free
36.73
1:10.14
100 Free
1:10.14
1184 Jameson Knesek 1:10.14 10 BB Min A: 1:09.79 (+0.35s | 0.5%) Supernova Swim Team 03/14/2026 2026 SCY 10 Under Championship Meet
50 Free
32.93
32.93
100 Free
37.21
1:10.14
100 Free
1:10.14
1185 Benjamin Hankinson 1:10.14 9 BB Min A: 1:09.79 (+0.35s | 0.5%) Jupiter Dragons Swim Team 03/05/2026 2026 FG Age Group SCY Championships
50 Free
33.79
33.79
100 Free
36.35
1:10.14
100 Free
1:10.14
1186 Marco Gonzalez 1:10.14 10 BB Min A: 1:09.79 (+0.35s | 0.5%) South Bay Aquatics 11/21/2025 2025 CA MVN Turkey Classic
50 Free
33.73
33.73
100 Free
36.41
1:10.14
100 Free
1:10.14
1187 Emerson Bohan 1:10.14 10 BB Min A: 1:09.79 (+0.35s | 0.5%) Tsunamis Swim Team 02/20/2026 2026 FG SCY BB Championships (NORTH)
1188 Quentin Valasik 1:10.15 10 BB Min A: 1:09.79 (+0.36s | 0.5%) Crimson Tide Aquatics 02/27/2026 2026 SE Southeastern Winter SC Championships
50 Free
33.90
33.90
100 Free
36.25
1:10.15
100 Free
1:10.15
1189 Dylan Briley 1:10.16 10 BB Min A: 1:09.79 (+0.37s | 0.5%) Northern Lights Swim Club 03/19/2026 2026 Northwest Region AG Champs Approved
50 Free
33.61
33.61
100 Free
36.55
1:10.16
100 Free
1:10.16
1190 Elliott Johnson 1:10.22 10 BB Min A: 1:09.79 (+0.43s | 0.6%) Bellevue Club Swim Team 12/12/2025 2025 PN 14 Under Short Course Champs Approved
50 Free
33.66
33.66
100 Free
36.56
1:10.22
100 Free
1:10.22
1191 Lam Bui 1:10.23 9 BB Min A: 1:09.79 (+0.44s | 0.6%) Monroe-Woodbury Devilfish Aqua 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Free
35.17
35.17
100 Free
35.06
1:10.23
100 Free
1:10.23
1192 Landon Gura 1:10.24 9 BB Min A: 1:09.79 (+0.45s | 0.6%) North Coast Aquatics 03/06/2026 2026 SI 14U AGE GRP CHAMPIONSHIPS
50 Free
34.07
34.07
100 Free
36.17
1:10.24
100 Free
1:10.24
1193 Rex Zhao 1:10.24 10 BB Min A: 1:09.79 (+0.45s | 0.6%) Machine Aquatics 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Free
33.92
33.92
100 Free
36.32
1:10.24
100 Free
1:10.24
1194 Camden Wallis 1:10.24 10 BB Min A: 1:09.79 (+0.45s | 0.6%) All Star Aquatics 02/13/2026 2026 ASA President S Day Classic
50 Free
33.97
33.97
100 Free
36.27
1:10.24
100 Free
1:10.24
1195 Julian Lee 1:10.25 9 BB Min A: 1:09.79 (+0.46s | 0.7%) Sporting Jax Aquatic Club 01/17/2026 2026 GOAT TYR Team Challenge And SYOA
50 Free
33.70
33.70
100 Free
36.55
1:10.25
100 Free
1:10.25
1196 Aiden Mulcahy 1:10.26 10 BB Min A: 1:09.79 (+0.47s | 0.7%) Aulea Swim Club 02/26/2026 2026 HI Hawaiian Swimming SCY AGChamps
1197 Adam Ma 1:10.28 10 BB Min A: 1:09.79 (+0.49s | 0.7%) California Dolphins Swim Team 03/28/2026 PC CDST SC C B BB+ Meet
1198 Tripp Liberman 1:10.30 10 BB Min A: 1:09.79 (+0.51s | 0.7%) Rocky Mountain Rapids 02/27/2026 2026 CO CSI SC Age Group Championships
50 Free
33.92
33.92
100 Free
36.38
1:10.30
100 Free
1:10.30
1199 Emry Lotito 1:10.30 9 BB Min A: 1:09.79 (+0.51s | 0.7%) West Florida Lightning Aquatic 02/13/2026 19th Annual TBAY Gasparilla Races 2026
50 Free
34.26
34.26
100 Free
36.04
1:10.30
100 Free
1:10.30
1200 Maddox Winegar 1:10.31 9 BB Min A: 1:09.79 (+0.52s | 0.7%) Bloomington Normal Swim Club 03/26/2026 Destination Athlete Centennial Invite 2026
50 Free
33.97
33.97
100 Free
36.34
1:10.31
100 Free
1:10.31

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.