4x100 RelayCompare top 10 |
| 1. | | Dylan Crosby Khing Terrell Jacob Cooper Aden Wright | 48.47 | VA | St Stephens and St Agnes | May 15, 2023 | IAC Middle School Championships (Boys Only) |
| 2. | | Myles Sandy Matthew Bezuneh Theo Weiman Graham Borgia | 48.66 | VA | St Stephens and St Agnes | May 15, 2019 | IAC Championships |
| 3. | | Benjamin O'Connell Chris Evans Gage Bolten Levi Babin | 48.94 | MD | Landon | May 15, 2023 | IAC Middle School Championships (Boys Only) |
| 4. | | Relay Team | 49.17 | MD | Bullis | May 15, 2019 | IAC Championships |
| 5. | 8 | Jonas Neihardt Justin Moore Ephraim Reed Curtis Borden | 49.66 | VA | St Stephens and St Agnes | May 18, 2015 | I.A.C. Middle School Championships |
| 6. | | Relay Team | 50.20 | VA | St Stephens and St Agnes | May 14, 2018 | I.A.C. Championships 2018 |
| 7. | | Tye Milton Navorro Bowman Meyer McFeely Shawn Springs | 50.70 | MD | Bullis | May 19, 2022 | I.A.C. Middle School Championships |
| 8. | | Aden Wright Mark Stafford Miles Spencer Tawon Figaro | 51.46 | VA | St Stephens and St Agnes | May 19, 2022 | I.A.C. Middle School Championships |
| 9. | 8 | Alexander Henderson Zakariya Niang William Eastright Luke Tegeris | 51.75 | MD | Landon | May 19, 2022 | I.A.C. Middle School Championships |
| 10. | - | Joshua Harmon Luke Duffy Arthur Jones Tristan Blarel | 52.04c | DC | St Albans | May 13, 2009 | I.A.C. Middle School Championships |
SMR 1600m - [400-200-200-800]Compare top 10 |
| 1. | - | Joshua Kerry Tristan Blarel Austin Hampton Sam Dodge | 4:19.0h | DC | St Albans | May 13, 2009 | I.A.C. Middle School Championships |
| 2. | | Relay Team | 4:20.39 | VA | St Stephens and St Agnes | May 23, 2016 | I.A.C. Championships |
| 3. | | Jerramiah Walker Bryan Moore Lukijan Cvijetinovic Josiah Brown-Price | 4:21.7h | MD | Landon | May 15, 2023 | IAC Middle School Championships (Boys Only) |
| 4. | | Relay Team | 4:24.3h | DC | St Albans | May 15, 2023 | IAC Middle School Championships (Boys Only) |
| 5. | - | Michael Rhoads Ryan Curto Ryan Gleklen Hal Pence | 4:26.3h | MD | Landon | May 13, 2009 | I.A.C. Middle School Championships |
| 6. | - | August Matthews Spencer Legg Matthew Lowrie William Simmons | 4:35.00 | MD | Landon | May 19, 2014 | I.A.C. Championships |
| 7. | | Relay Team | 4:35.43 | MD | Bullis | May 15, 2017 | I.A.C. Championships 2017 |
| 8. | | Myles Sandy Liam Walsh Devin Malloy Thomas Matney | 4:36.12 | VA | St Stephens and St Agnes | May 15, 2019 | IAC Championships |
| 9. | | Relay Team | 4:36.45 | MD | Landon | May 15, 2017 | I.A.C. Championships 2017 |
| 10. | - | Nicholas Barbot August Matthews Ishmael Leggett Kamdyn Curfman | 4:37.1h | MD | Landon | May 18, 2015 | I.A.C. Middle School Championships |