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USA Boys 10 & under - 100 Y Back

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
6251 Keegan Kolesnik 1:58.13 8 B: 1:40.69 (+17.44s | 14.8%) Phoenix Swimming 12/11/2025 2025 NE SHAWMUT Candy Cane Classic
50 Back
56.24
56.24
100 Back
1:01.89
1:58.13
100 Back
1:58.13
6252 Ethan Ma 1:58.15 10 B: 1:40.69 (+17.46s | 14.8%) Pearland Aquatics 02/21/2025 2025 Gulf 12 Under Champs (KATY)
6253 Adam Sherrill 1:58.15 10 B: 1:40.69 (+17.46s | 14.8%) Star Aquatics 11/01/2025 2025 STAR Off The Walls Races
50 Back
55.13
55.13
100 Back
1:03.02
1:58.15
100 Back
1:58.15
6254 Thomas Booras 1:58.17 8 B: 1:40.69 (+17.48s | 14.8%) Sachem Swim Club 01/30/2026 2026 MR SSC Polar Bear Plunge
50 Back
57.08
57.08
100 Back
1:01.09
1:58.17
100 Back
1:58.17
6255 Abdulrahman Elsayad 1:58.21 9 B: 1:40.69 (+17.52s | 14.8%) Texas Elite Swim Team 10/18/2024 BATS 2024 October Invite
6256 Ethan Shiflet 1:58.22 8 B: 1:40.69 (+17.53s | 14.8%) Montclair Swim Team 03/07/2026 Napa Valley Swim Team Swimming Towards Spring
6257 Paul Beshara 1:58.23 9 B: 1:40.69 (+17.54s | 14.8%) Sharks Swim Club 02/21/2025 2025 Gulf 12 Under Champs (NOCH)
6258 Marshall Gerritsen 1:58.26 10 B: 1:40.69 (+17.57s | 14.9%) Lake Erie Silver Dolphins 02/19/2026 2026 OH Cleveland SC Regional Championships
50 Back
57.50
57.50
100 Back
1:00.76
1:58.26
100 Back
1:58.26
6259 Theo Htun 1:58.29 9 B: 1:40.69 (+17.60s | 14.9%) Terrapins Swim Team 01/10/2026 Pleasanton Seahawks SCY C B BB+ Meet
6260 Maxwell Sis 1:58.31 9 B: 1:40.69 (+17.62s | 14.9%) Great Wolf Swim Team 11/08/2025 2025 MN WOLF HOWL AT THE MOON INVITE
50 Back
59.25
59.25
100 Back
59.06
1:58.31
100 Back
1:58.31
6261 Caleb Lassiter 1:58.31 10 B: 1:40.69 (+17.62s | 14.9%) 757swim 02/13/2026 2026 Southeast District 9 12 Championship
50 Back
56.47
56.47
100 Back
1:01.84
1:58.31
100 Back
1:58.31
6262 Yuto Kotani 1:58.33 7 B: 1:40.69 (+17.64s | 14.9%) Mason Manta Rays 02/19/2026 2026 OH RAYS SC Regional Championships
50 Back
57.20
57.20
100 Back
1:01.13
1:58.33
100 Back
1:58.33
6263 Evan Chandavong 1:58.33 9 B: 1:40.69 (+17.64s | 14.9%) Unified Aquatics Club 02/27/2026 2026 OH BSC SC Regional Championships
6264 Gabriel Martinez 1:58.34 9 B: 1:40.69 (+17.65s | 14.9%) Aces Swim Club 12/13/2024 2024 CO Falfins Holiday Open
50 Back
56.28
56.28
100 Back
1:02.06
1:58.34
100 Back
1:58.34
6265 Nicolas Varona 1:58.34 9 B: 1:40.69 (+17.65s | 14.9%) Metro Aquatic Club of Miami 11/21/2025 2025 Gulliver Gobble Gobble Nov Last Chance
50 Back
56.67
56.67
100 Back
1:01.67
1:58.34
100 Back
1:58.34
6266 Bryce Carmen 1:58.36 10 B: 1:40.69 (+17.67s | 14.9%) Swim Melbourne 11/16/2025 November 2025 Racer
50 Back
56.86
56.86
100 Back
1:01.50
1:58.36
100 Back
1:58.36
6267 Teagan Goodrum 1:58.37 10 B: 1:40.69 (+17.68s | 14.9%) Greenwood Tiger Sharks 12/12/2025 2025 CO NJ Blizzard Invite
50 Back
56.93
56.93
50 Back
56.93
100 Back
1:01.44
1:58.37
50 Back
1:01.44
6268 Wesley Johnson 1:58.39 10 B: 1:40.69 (+17.70s | 15.0%) The Capitol Sea Devils 10/25/2025 2025 PV Monster Mash
6269 Kirk Li 1:58.40 8 B: 1:40.69 (+17.71s | 15.0%) Pacific Dragons Swim Team 03/08/2025 2025 PN PDST March Pentathlon And Last Chance
50 Back
53.92
53.92
100 Back
1:04.48
1:58.40
100 Back
1:58.40
6270 Sebastian Lemoncello 1:58.41 10 B: 1:40.69 (+17.72s | 15.0%) Legacy Aquatics 01/02/2026 2026 CST Shark Chase Invitational
50 Back
55.10
55.10
100 Back
1:03.31
1:58.41
100 Back
1:58.41
6271 Iven Peredo 1:58.43 6 B: 1:40.69 (+17.74s | 15.0%) Nation\\\\\\'s Capital Swim Club 12/05/2025 2025 VSTP Ice Breaker Invitational
50 Back
59.77
59.77
100 Back
58.66
1:58.43
100 Back
1:58.43
6272 Beckett Smith 1:58.49 9 B: 1:40.69 (+17.80s | 15.0%) Kceoc Aquatic Club 11/22/2025 2025 Dragonfly Medical Cranberry Classic
50 Back
56.29
56.29
100 Back
1:02.20
1:58.49
100 Back
1:58.49
6273 Donovan Doan 1:58.49 9 B: 1:40.69 (+17.80s | 15.0%) First Colony Swim Team, Inc. 02/21/2025 2025 Gulf 12 Under Champs (PACK)
50 Back
56.66
56.66
100 Back
1:01.83
1:58.49
100 Back
1:58.49
6274 Espen Drolet 1:58.49 9 B: 1:40.69 (+17.80s | 15.0%) Bellingham Bay Swim Team 11/08/2025 2025 BBST November Invitational
50 Back
54.67
54.67
100 Back
1:03.82
1:58.49
100 Back
1:58.49
6275 Simon Nelson 1:58.51 10 B: 1:40.69 (+17.82s | 15.0%) Norfolk YMCA Aquajets 12/13/2025 VAST Winter Invitational
50 Back
55.63
55.63
100 Back
1:02.88
1:58.51
100 Back
1:58.51
6276 Theodore Ho 1:58.51 10 B: 1:40.69 (+17.82s | 15.0%) Rancho San Dieguito 10/11/2025 2025 SI RSD All Ages B C Meet
6277 Dominic Moretti 1:58.53 8 B: 1:40.69 (+17.84s | 15.1%) Piranha Aquatics 02/20/2026 2026 OH Akron SC Regional Championships
50 Back
58.26
58.26
100 Back
1:00.27
1:58.53
100 Back
1:58.53
6278 Noah Drinkwater 1:58.53 9 B: 1:40.69 (+17.84s | 15.1%) Crimson Aquatics 03/13/2026 2026 NE CRA End Of Season March Invite
50 Back
55.78
55.78
100 Back
1:02.75
1:58.53
100 Back
1:58.53
6279 Elliot Nguyen 1:58.55 9 B: 1:40.69 (+17.86s | 15.1%) Pacific Swim 01/31/2026 2026 SBA All Ages NTS Meet
50 Back
55.71
55.71
100 Back
1:02.84
1:58.55
100 Back
1:58.55
6280 Ryan Casillo 1:58.55 9 B: 1:40.69 (+17.86s | 15.1%) Annapolis Swim Club 09/26/2025 RAC First Splash 2025
50 Back
54.90
54.90
100 Back
1:03.65
1:58.55
100 Back
1:58.55
6281 Jensen Chavez 1:58.56 9 B: 1:40.69 (+17.87s | 15.1%) Rattlers Swim Club 02/13/2026 2026 BD Arctic BLAST Swim Meet
50 Back
56.47
56.47
100 Back
1:02.09
1:58.56
100 Back
1:58.56
6282 Zachary Anderson 1:58.58 10 B: 1:40.69 (+17.89s | 15.1%) Atlantic Coast Athletic Club 11/15/2025 2025 WAC Fall Classic
50 Back
58.88
58.88
100 Back
59.70
1:58.58
100 Back
1:58.58
6283 Hayden Hammack 1:58.60 10 B: 1:40.69 (+17.91s | 15.1%) Surge Aquatics 10/19/2024 2024 SRG SCY Surgetoberfest
50 Back
55.33
55.33
100 Back
1:03.27
1:58.60
100 Back
1:58.60
6284 Keagan Welter 1:58.60 9 B: 1:40.69 (+17.91s | 15.1%) Aces Swim Club 02/14/2026 2026 CO ACES Winter Open
50 Back
58.39
58.39
100 Back
1:00.21
1:58.60
100 Back
1:58.60
6285 Alexander Toohey 1:58.60 10 B: 1:40.69 (+17.91s | 15.1%) Parkway-Rockwood Gateway Swim 03/07/2026 2026 GTWY 8 Under Champs
50 Back
56.73
56.73
100 Back
1:01.87
1:58.60
100 Back
1:58.60
6286 Blake Bodine 1:58.61 9 B: 1:40.69 (+17.92s | 15.1%) Rogue Rapids 10/18/2024 TEAM IMX IMR Challenge
50 Back
57.73
57.73
100 Back
1:00.88
1:58.61
100 Back
1:58.61
6287 Christopher Rutkowski 1:58.61 9 B: 1:40.69 (+17.92s | 15.1%) Plymouth Canton Cruisers 10/25/2025 BA Halloween Town USA 2025
50 Back
58.79
58.79
100 Back
59.82
1:58.61
100 Back
1:58.61
6288 Finn Bowers 1:58.64 8 B: 1:40.69 (+17.95s | 15.1%) Highbridge Aquatics 12/05/2025 2025 Holiday Classic
50 Back
57.97
57.97
100 Back
1:00.67
1:58.64
100 Back
1:58.64
6289 Richard Harley 1:58.64 10 B: 1:40.69 (+17.95s | 15.1%) Scy-Ri 01/10/2026 2026 NE KING RI Rhody Nor Eastah
50 Back
58.30
58.30
100 Back
1:00.34
1:58.64
100 Back
1:58.64
6290 Max Furukrona 1:58.65 10 B: 1:40.69 (+17.96s | 15.1%) The Capitol Sea Devils 10/25/2025 2025 PV Monster Mash
6291 Ezekiel Tally 1:58.67 10 B: 1:40.69 (+17.98s | 15.2%) Vandal Aquatic Club 02/14/2025 2025 IES JUNIOR CHAMPIONSHIPS
25 Back
27.03
27.03
50 Back
30.42
57.45
50 Back
57.45
75 Back
31.58
1:29.03
100 Back
29.64
1:58.67
50 Back
1:01.22
6292 Henry Wu 1:58.68 10 B: 1:40.69 (+17.99s | 15.2%) Life Time Fitness New York Swi 11/08/2025 2025 MR PAC Maria Parmanan Invitational
50 Back
56.85
56.85
100 Back
1:01.83
1:58.68
100 Back
1:58.68
6293 Matthew Chantrell 1:58.69 8 B: 1:40.69 (+18.00s | 15.2%) Nova of Virginia 01/09/2026 NOVA New Year S Kick Off
50 Back
57.66
57.66
100 Back
1:01.03
1:58.69
100 Back
1:58.69
6294 Grant Smith 1:58.72 7 B: 1:40.69 (+18.03s | 15.2%) Prince William Swim Club 12/04/2025 14th Annual Swim Tri Speedo Winter Champs
50 Back
56.97
56.97
100 Back
1:01.75
1:58.72
100 Back
1:58.72
6295 Emiliano Reyes 1:58.72 9 B: 1:40.69 (+18.03s | 15.2%) Sioux Falls Swim Team 01/23/2026 SFST SD 2026 January Invite
50 Back
57.35
57.35
100 Back
1:01.37
1:58.72
100 Back
1:58.72
6296 Massimiliano Santini 1:58.73 10 B: 1:40.69 (+18.04s | 15.2%) Dads Club Swim Team 02/21/2025 2025 Gulf 12 Under Champs (DADS)
50 Back
54.68
54.68
100 Back
1:04.05
1:58.73
100 Back
1:58.73
6297 Spencer Korentzoff 1:58.73 10 B: 1:40.69 (+18.04s | 15.2%) Gold Coast Swim Team 08/01/2025 Big Kahuna 2025
6298 Ivan Iammarino 1:58.75 9 B: 1:40.69 (+18.06s | 15.2%) Great Lakes Sailfish Swimming 05/04/2025 LESD May Madness
50 Back
57.11
57.11
100 Back
1:01.64
1:58.75
100 Back
1:58.75
6299 Ian Zhang 1:58.76 8 B: 1:40.69 (+18.07s | 15.2%) Fmy Gators 12/05/2025 2025 Candy Cane Swim Meet
50 Back
57.29
57.29
100 Back
1:01.47
1:58.76
100 Back
1:58.76
6300 Nash Waguespack 1:58.76 10 B: 1:40.69 (+18.07s | 15.2%) Htx Swims 12/20/2024 2024 Gulf Fall Champs (TASC)
50 Back
57.08
57.08
100 Back
1:01.68
1:58.76
100 Back
1:58.76

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.