4x100 RelayCompare top 10 |
| 1. | | CJ Ujah Chris Royster Ameer Webb Traveyon Armstrong | 39.45 | AZ | Altis | Apr 21 | 60th Annual Mt. SAC Relays (College/Elite Day 3) |
| 2. | 15-16 | Victor Lewis Jr Anthony Myles Jr Barrion-Jre Phillips Kay-John Richmond | 39.85 | NV | Las Vegas Blazin One'z | Jun 10 | USATF Nevada Association Junior Olympic Championships |
| 3. | 17-18 | Elijah Gordon Noland Wick Tony Pizzillo Charles Johnson | 40.80 | WA | SPOKANE SPEED ACADEMY | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 4. | | Izel Smith Kenan Christon Moray Steward Quoi Ellis | 41.37 | CA | Havoc Youth Track Club | Jun 14 | AAU Region 23 Qualifier |
| 5. | 17-18 | Briley Pull Guiliani Roberti Jake Follett Israel Miles | 41.93 | OR | Step ur Game Up - CLOSED | Jul 08 | USATF Region 13 Junior Olympic Championships |
| 6. | 17-18 | Jason Farrell Ethan Loper Deondre Ritter Jalen Lyon | 42.48 | CO | AMATA | Jun 09 | 3rd Annual Kyle Macintosh Twilight Track & Field Meet |
| 7. | 17-18 | David Arnold Isaiah Scoville Malcolm McGruder Joey Fox | 42.87 | NV | Vegas Lightning Track | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 8. | 17-18 | Trayvion Austin Dominique Beas Jr Eric Fike Tayvien Williams | 42.94 | AZ | Tucson Elite Athletic | Jul 08 | USATF Region 10 Junior Olympic Championships |
| 9. | 15-16 | Carson Ebersbach Cooper Needham Keirryse Simpson Zion Wagoner | 43.35 | CO | Denver Lightning Track | Aug 04 | AAU Junior Olympic Nationals |
| 10. | 17-18 | Ryan Davy Bryan Tavera Micah Kinnunen Zachary Maier | 43.44 | WA | Evergreen Storm | Jul 08 | USATF Region 13 Junior Olympic Championships |
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4x200 RelayCompare top 10 |
| 1. | | Relay Team | 1:28.48 | CO | AMATA | Jun 09 | 3rd Annual Kyle Macintosh Twilight Track & Field Meet |
| 2. | | Relay Team | 1:32.95 | CA | Ultimate Speed Athletics | Mar 03 | El Camino College Invitational |
| 3. | 17-18 | Dylan York Deondre Ruth Alex Sarabia Sullivan Kilpatrick | 1:37.41 | CA | Dream Team | Dec 09 | San Diego State Red-Black All-Comers Meet |
| 4. | 13-14 | Mirzett Evans IV Romael Roberts Shayne Hopkins William Gay IV | 1:45.00 | CA | Sacramento Speed Factory | Apr 14 | CA Track Club Invitational |
| 5. | | Relay Team | 1:48.37 | CA | God Speed Track Club | Mar 24 | Flying Jaguars Youth Track Meet |
| 6. | 13-14 | Zachary Hollinquest Errick Tamplin Jr Jamison Stamps Michael Sylve | 1:48.4h | AZ | AZ Burn | Feb 24 | 2018 LV Stealth Pop Off Meet |
| 7. | 13-14 | Kotero Adrian Jamarion Stubbs LaDrece Carlos II Lance Daniels | 1:49.4h | NV | Fresh Start Track | Feb 24 | 2018 LV Stealth Pop Off Meet |
| 8. | 13-14 | Anthony Jones Dorian Byrd Imannul Hunter Nickolas Miller | 1:49.83 | CA | East Bay Elite | Apr 14 | CA Track Club Invitational |
| 9. | 13-14 | Ajani Brown Jalen Edwards Marcus Fong Mohandas Duewa | 1:58.91 | CA | C.A. Track Club | Apr 14 | CA Track Club Invitational |
| 10. | | Relay Team | 2:01.37 | CA | Flying Jaguars | Mar 24 | Flying Jaguars Youth Track Meet |
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4x400 RelayCompare top 10 |
| 1. | 17-18 | Carson Brown Tony Pizzillo Jake Hallesy Charles Johnson | 3:16.07 | WA | SPOKANE SPEED ACADEMY | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 2. | 15-16 | Carson Ebersbach Charlie Welch Keirryse Simpson Zion Wagoner | 3:20.56 | CO | Denver Lightning Track | Aug 04 | AAU Junior Olympic Nationals |
| 3. | | Andrew Knight Nelson Vincent Robbie Wooden Ronelle Hylton | 3:21.23 | OR | Ultimate Track & Field | Aug 04 | AAU Junior Olympic Nationals |
| 4. | | Relay Team | 3:22.14 | CA | Santa Monica Track | Mar 10 | Ben Brown Invitational |
| 5. | 15-16 | Gustavo Orendain Phillip Jefferson Seaver Cardoza Anthony Taylor | 3:27.27 | CA | Pacific Coast Shock Waves | Jun 10 | USATF Southern California Association Junior Olympic Championships |
| 6. | 17-18 | Dominique Beas Jr Omar Carrillo Eric Fike Tayvien Williams | 3:30.64 | AZ | Tucson Elite Athletic | Jul 08 | USATF Region 10 Junior Olympic Championships |
| 7. | 17-18 | Andrew Brown Creighton Trembly Brenden Worley Jackson Wathen | 3:30.75 | CO | CDm Elite | Jun 25 | USATF Colorado Association Junior Olympic Championships |
| 8. | 15-16 | William Pitchford Jr Gary Morrow Jr Jalen Johnson Jeremiah Gaines | 3:31.13 | CA | Imani Speedcity Compton | Jun 10 | USATF Southern California Association Junior Olympic Championships |
| 9. | 15-16 | Yadvinder Grewal Evan Harper Jackson Harper Meinkaikay Kaye | 3:31.17 | CA | Mission Valley Track & Field | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 10. | | Tanner Anderson Jason Gomez Ryan Wilson Alexander Scales | 3:31.80 | CA | Menlo iGreyhounds TC | Jun 24 | USATF Pacific Association Junior Olympic Championships |
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4x800 RelayCompare top 10 |
| 1. | | Jason Gomez Tanner Anderson Ryan Wilson Alexander Scales | 7:43.75 | CA | Menlo iGreyhounds TC | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 2. | | Andrew Knight Sukeil Foucha Robbie Wooden Tyrese Allen | 7:57.45 | OR | Ultimate Track & Field | Aug 04 | AAU Junior Olympic Nationals |
| 3. | 17-18 | Armando Bryson Kentaro Vadney Jaylin Gant Wayne Richards III | 8:08.74 | CA | Pacific Coast Shock Waves | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 4. | 15-16 | John Weston Tyler Rafferty Nathan Pavelchik Alexander Rafferty | 8:22.29 | AZ | NX Level Athletx | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 5. | 13-14 | Varun Saraf Hrishikesh Joshi Cash Ebright Jeremy Kain | 8:30.60 | CA | Los Gatos | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 6. | 15-16 | Manogya Yara Joshua Pitt Ethan Cheng Juggie Ray Heerey | 8:38.26 | CA | Umoja | Jul 29 | USATF Hershey National Junior Olympic Championships |
| 7. | 15-16 | Yadvinder Grewal Meinkaikay Kaye Jackson Harper Evan Harper | 8:44.97 | CA | Mission Valley Track & Field | Jul 08 | USATF Region 14 Junior Olympic Championships |
| 8. | 17-18 | Patrick Duncan Herman Duncan III Izaiah Ramirez Tyrone Otte | 8:48.81 | TX | Team Bliss | Jun 23 | USATF Border Association Junior Olympic Championships |
| 9. | 13-14 | Lamarr Kirk Jr Terrell Cooks Jr Boston Stovall Mason Williams | 8:57.16 | CA | New Era Elite Track | Jun 10 | USATF Southern California Association Junior Olympic Championships |
| 10. | 13-14 | Aaron Heisser Kya Villanueva Gabriel Kary Adrean Tafolla | 8:59.11 | WA | Speed Unlimited | Jul 29 | USATF Hershey National Junior Olympic Championships |
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