Western Zone Zone Boys 10 & under - 50 M Back
These rankings show the swimmers' placement within their Zone.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1051 | Donovan Di Loreto | 53.28 | 9 | B Min | BB: 49.29 (+3.99s | 7.5%) | Carson Tigersharks | 06/19/2026 | Reno Aquatic Club Gamble | |
| 1052 | Benjamin Huang | 53.29 | 10 | B Min | BB: 49.29 (+4.00s | 7.5%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1053 | Mivaan Sarafi | 53.33 | 9 | B Min | BB: 49.29 (+4.04s | 7.6%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 1054 | Sourish Annam | 53.33 | 10 | B Min | BB: 49.29 (+4.04s | 7.6%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 1055 | Rorick Umbras | 53.33 | 10 | B Min | BB: 49.29 (+4.04s | 7.6%) | Legacy Aquatics | 05/01/2026 | 2026 THSC Spring Invite | |
| 1056 | Weston Wilhite | 53.33 | 9 | B Min | BB: 49.29 (+4.04s | 7.6%) | North Coast Aquatics | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 1057 | Harvey Machado | 53.35 | 10 | B Min | BB: 49.29 (+4.06s | 7.6%) | Valley Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 1058 | Nixon Lo | 53.35 | 9 | B Min | BB: 49.29 (+4.06s | 7.6%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 1059 | Connor Wu | 53.37 | 9 | B Min | BB: 49.29 (+4.08s | 7.6%) | Cascade Swim Club | 06/06/2026 | 2026 PN CSC Swimtacular Approved | |
| 1060 | Cooper Garrett | 53.37 | 9 | B Min | BB: 49.29 (+4.08s | 7.6%) | Unattached | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 1061 | Lowell Babbitt | 53.37 | 9 | B Min | BB: 49.29 (+4.08s | 7.6%) | Pacific Swim | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 1062 | Atlas Crowley | 53.38 | 10 | B Min | BB: 49.29 (+4.09s | 7.7%) | McMinnville Swim Club | 06/05/2026 | 2026 CST Summer Invitational | |
| 1063 | Noah Sea | 53.38 | 8 | B Min | BB: 49.29 (+4.09s | 7.7%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 1064 | Boaz Mccabe | 53.39 | 9 | B Min | BB: 49.29 (+4.10s | 7.7%) | Cortez Water Dragons | 05/29/2026 | 2026 CO Cortez Summer Open | |
| 1065 | Jasper Wang | 53.39 | 9 | B Min | BB: 49.29 (+4.10s | 7.7%) | Kamehameha Swim Club | 05/23/2026 | OSL A+ LCM Meet | |
| 1066 | Camden Haselden | 53.39 | 9 | B Min | BB: 49.29 (+4.10s | 7.7%) | Puget Sound Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 1067 | Colson Mou | 53.40 | 9 | B Min | BB: 49.29 (+4.11s | 7.7%) | South San Francisco Aquatics | 06/12/2026 | BAC Long Course | |
| 1068 | Porter Jones | 53.40 | 9 | B Min | BB: 49.29 (+4.11s | 7.7%) | Salida Cyclones | 07/17/2026 | 2026 CO Alicia Leavitt Memorial | |
| 1069 | Anders Cai | 53.40 | 10 | B Min | BB: 49.29 (+4.11s | 7.7%) | Mission Valley YMCA | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 1070 | Noah Gonzales | 53.42 | 10 | B Min | BB: 49.29 (+4.13s | 7.7%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1071 | Malik Basic | 53.44 | 9 | B Min | BB: 49.29 (+4.15s | 7.8%) | Olympus Aquatics | 05/20/2025 | Kearns LC Classic | |
| 1072 | Marcus Tsirogiannis | 53.45 | 10 | B Min | BB: 49.29 (+4.16s | 7.8%) | Highland Dolphins Aquatic Club | 05/02/2026 | Alto Spring Jam CBA | |
| 1073 | Finn Rodrigues | 53.45 | 9 | B Min | BB: 49.29 (+4.16s | 7.8%) | Rainbow Aquatics | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 1074 | August McFarland | 53.45 | 8 | B Min | BB: 49.29 (+4.16s | 7.8%) | Form Swim Team | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 1075 | Shayne Zhang | 53.49 | 9 | B Min | BB: 49.29 (+4.20s | 7.9%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 1076 | Ethan Gao | 53.50 | 10 | B Min | BB: 49.29 (+4.21s | 7.9%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 1077 | Dashiell Wang | 53.51 | 10 | B Min | BB: 49.29 (+4.22s | 7.9%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1078 | Crew Dacko | 53.52 | 9 | B Min | BB: 49.29 (+4.23s | 7.9%) | Montclair Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 1079 | Holden Karver | 53.53 | 8 | B Min | BB: 49.29 (+4.24s | 7.9%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 1080 | Jack Bullard | 53.55 | 8 | B Min | BB: 49.29 (+4.26s | 8.0%) | Falfins Swimming | 06/05/2026 | 2026 COSA Long Couse Open | |
| 1081 | Rieman Morgan | 53.56 | 7 | B Min | BB: 49.29 (+4.27s | 8.0%) | Excel Aquatics | 04/24/2026 | 2026 Strong Tower Invite | |
| 1082 | Oliver Brown | 53.61 | 7 | B Min | BB: 49.29 (+4.32s | 8.1%) | Lewis Clark Neptune Swim Team | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 1083 | George He | 53.61 | 9 | B Min | BB: 49.29 (+4.32s | 8.1%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 1084 | Ethan Park | 53.65 | 9 | B Min | BB: 49.29 (+4.36s | 8.1%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1085 | Lawrence Lan | 53.72 | 9 | B Min | BB: 49.29 (+4.43s | 8.2%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 1086 | Esteban Trogkanis | 53.73 | 10 | B Min | BB: 49.29 (+4.44s | 8.3%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1087 | Steevenson Martins | 53.74 | 9 | B Min | BB: 49.29 (+4.45s | 8.3%) | McMinnville Swim Club | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 1088 | Benjamin Robinson | 53.77 | 10 | B Min | BB: 49.29 (+4.48s | 8.3%) | Neptune Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 1089 | Parsa Yazdi | 53.79 | 9 | B Min | BB: 49.29 (+4.50s | 8.4%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1090 | Marcus Olarte | 53.80 | 10 | B Min | BB: 49.29 (+4.51s | 8.4%) | Seattle Metropolitan Aquatic C | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 1091 | Oliver Garcia | 53.81 | 10 | B Min | BB: 49.29 (+4.52s | 8.4%) | Four Corners Aquatic Team | 05/29/2026 | 2026 CO Cortez Summer Open | |
| 1092 | Bruce Copeland-Fellezs | 53.82 | 9 | B Min | BB: 49.29 (+4.53s | 8.4%) | Rainbow Aquatics | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 1093 | Connor Osborne | 53.84 | 10 | B Min | BB: 49.29 (+4.55s | 8.5%) | Prineville Swim Team | 07/25/2025 | 2025 OR East Cascade Season Finale | |
| 1094 | Daniel Sheng | 53.84 | 9 | B Min | BB: 49.29 (+4.55s | 8.5%) | Coronado Swim -team Elite | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 1095 | Paul Jeong | 53.87 | 10 | B Min | BB: 49.29 (+4.58s | 8.5%) | Thunderbird Aquatic Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 1096 | Brody Hartong | 53.87 | 10 | B Min | BB: 49.29 (+4.58s | 8.5%) | Warrior Aquatic Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 1097 | Calvin Dell | 53.87 | 9 | B Min | BB: 49.29 (+4.58s | 8.5%) | San Benito Aquatics | 06/27/2026 | NVST Summer Plunge 2026 | |
| 1098 | Harrison Tian | 53.89 | 9 | B Min | BB: 49.29 (+4.60s | 8.5%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 1099 | Hengsheen Wang | 53.89 | 9 | B Min | BB: 49.29 (+4.60s | 8.5%) | Chinook Aquatic Club | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 1100 | Weston Klundt | 53.93 | 8 | B Min | BB: 49.29 (+4.64s | 8.6%) | Spokane Waves Aquatic Team | 04/25/2026 | 2026 SWAT Spring Fling | |
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.