The posted preliminary heat assignments are subject to change due to day-of meet entries.
| W100 H1 | ||
| Anna | Burrus | |
| Lacie | Ciarametaro | |
| Angelina | Nicolo | Peabody |
| Anna | Noble | Boston-North Track Club |
| Tamara | Rodriguez | Haverhill Elite Track Club |
| Tenisha | Wheeler | None |
| Lauren | Wood | |
| W100 H2 | ||
| Femita | Ayanbeku | |
| Constanza | Bernales | Boston-North Track Club |
| Chloe | Booker | Boston-North Track Club |
| Jordan | Lafave | Wellesley Youth Track and Field Club |
| Victoria | Leblanc | Saint John Track Club |
| Serena | McNary | Greater Boston Track Club |
| M100 H1 | ||
| Jon | Berit | Greater Boston Track Club |
| Troy | Cronin | Alliance track club |
| Richard | Derosas | Unattached |
| Steven | Gorriarian | |
| David | Neumann | Mass Velocity Track Club |
| Mario | Tomic | Haverhill Elite Track Club |
| M100 H2 | ||
| Luis | Gonzalez | |
| Dean | Miller | Unattached |
| Michael | Ngaw | Concord Carlisle Regional High School |
| Steve | Nolan | Unattached |
| Alex | Trudell | Northbridge TC |
| M100 H3 | ||
| Andrew | Chabon | None |
| Peter | Diebold | Weston High School |
| Ramin | Kiani | Weston High School |
| Matthew | Ngaw | Concord Carlisle Regional High School |
| Nas | Rivera | |
| Brett | Sorbo | Unattached |
| W200 H1 | ||
| Ava | Downer | Haverhill Elite Track Club |
| Fadima | Kaba | Peabody |
| Katie | Lyle | Liberty Athletic Club |
| Tamara | Rodriguez | Haverhill Elite Track Club |
| Cyan | Scott | Haverhill Elite Track Club |
| Tenisha | Wheeler | None |
| W200 H2 | ||
| Sedona | Gillard | |
| Celia | Kirk | Northfield Mount Hermon |
| Anna | Noble | Boston-North Track Club |
| Bridget | O’Connell | Peabody |
| Lindsay | Pappas | Unattached |
| Lila | Woekel | Haverhill Elite Track Club |
| W200 H3 | ||
| Femita | Ayanbeku | |
| Constanza | Bernales | Boston-North Track Club |
| Chloe | Booker | Boston-North Track Club |
| Sophia | Gorriarian | |
| Jordan | Lafave | Wellesley Youth Track and Field Club |
| Audrey | Weyand | Boston-North Track Club |
| M200 H1 | ||
| Steven | Gorriarian | |
| Troy | Cronin | Alliance track club |
| Owen | de Mars | Greater Lowell Road Runners |
| Richard | Derosas | Unattached |
| David | Neumann | Mass Velocity Track Club |
| Mario | Tomic | Haverhill Elite Track Club |
| Michael | Travers | |
| M200 H2 | ||
| Edward | Carr | Mass Velocity Track Club |
| Kemano | Jackson | Peabody |
| Michael | Long | Unattached |
| Dean | Miller | Unattached |
| Michael | Ngaw | Concord Carlisle Regional High School |
| M200 H3 | ||
| Tom | Germann | Westford Academy |
| Matthew | Long | Unattached |
| Matthew | Ngaw | Concord Carlisle Regional High School |
| Brett | Sorbo | Unattached |
| Tyler | Surman | Peabody |
| M200 H4 | ||
| Toren | Caesar | Boston-North Track Club |
| Alexander | Engel | Boston-North Track Club |
| Phillip | Holmes | |
| Ramin | Kiani | Weston High School |
| Ethan | Mignard | Boston-North Track Club |
| Nathan | Narcisse | Unattached |
| W400 H1 | ||
| Ela | Budzinski | Haverhill Elite Track Club |
| Anna | Burrus | |
| Hannah | DeFelice | |
| Angelina | Nicolo | Peabody |
| Abigail | Sarver | Haverhill Elite Track Club |
| Devin | Stroope | Haverhill Elite Track Club |
| Naomi | Ukiwa Ebhaleme | Haverhill Elite Track Club |
| W400 H2 | ||
| Shea | Graham | Haverhill Elite Track Club |
| Emma | Jensen | Haverhill Elite Track Club |
| Celia | Kirk | Northfield Mount Hermon |
| Dado | Nasso | Peabody |
| Catie | O’Neill | Natick High School |
| Amy | Orcurr | Wyman St |
| Lila | Woekel | Haverhill Elite Track Club |
| W400 H3 | ||
| Rachel | Arthur | None |
| Alexsandra | Bettencourt | Peabody |
| Sadai | Headley-Mawasi | Peabody |
| Allison | Lynch | Boston-North Track Club |
| Jolene | Murphy | Peabody |
| Charlotte | O’Toole | |
| Audrey | Weyand | Boston-North Track Club |
| M400 H1 | ||
| Edward | Carr | Mass Velocity Track Club |
| Mike | Czepiel | Merrimack Valley Striders |
| William | Miele | Haverhill Elite Track Club |
| Joe | Miller | Greater Boston Track Club |
| David | Neumann | Mass Velocity Track Club |
| James | Porter | Greater Manchester Running Club |
| Alex | Trudell | Northbridge TC |
| M400 H2 | ||
| Daryl | Chingono | Boston-North Track Club |
| Sean | Edelman | The Heartbreakers |
| Kemano | Jackson | Peabody |
| Zachary | Mecteau | |
| Lukas | Muzila | |
| Michael | Perez | Peabody Veterans Memorial High School |
| Cam | Rich | Peabody |
| M400 H3 | ||
| Wesley | Baranowski | Unattached |
| Antonio | Craveiro | Peabody |
| Samuel | Hubbard’s | Weston High School |
| Clay | Macdonald | Marshfield TC |
| Chris | Morales | Peabody |
| Nathan | Narcisse | Unattached |
| Artem | Talanov | Boston-North Track Club |
| M400 H4 | ||
| Toren | Caesar | Boston-North Track Club |
| Charles | Coffin | |
| Andrew | DiMaiti | Team Blue |
| Alexander | Engel | Boston-North Track Club |
| James | Kane | Unattached |
| Matthew | Long | Unattached |
| Bryant | Madrigal | Greater Boston Track Club |
| M400 H5 | ||
| Peter | Diebold | Weston High School |
| Esteafan | Jack | None |
| Simon | Jupp | Unattached |
| Ethan | Mignard | Boston-North Track Club |
| Alex | Warner | |
| W800 H1 | ||
| Kathryn | Driend | Haverhill Elite Track Club |
| Abigail | Fischer | Hopkinton Track Club |
| Emma | Forde | Natick High School |
| Ellie | Mraz | Emerging Elites |
| Lindsay | Pappas | Unattached |
| Alix | Pettinella | Battle Road Track Club |
| Devan | Ravino | Moses Brown |
| Verity | Rees | Central Park Track Club (CPTC) New Balance |
| Deanna | Ruggiero | Unattached |
| Dusty | Sacco | Battle Road Track Club |
| W800 H2 | ||
| Karine | Belleau-Beliveau | Les Vainqueurs |
| Schuyler | Gooley | Hopkinton Track Club |
| Sophia | Gorriarian | |
| Maggie | Hock | |
| Samantha | Maffeo | |
| Angie | Martinez | Haverhill Elite Track Club |
| Sydnee | Over | |
| Meggie | Sullivan | Central Park Track Club (CPTC) New Balance |
| Jessica | Teal | Freedom Track Club |
| M800 H1 | ||
| Jon | Berit | Greater Boston Track Club |
| Mark | Capparella | Tri-Valley Front Runners |
| Joseph | Haroutunian | Haverhill Elite Track Club |
| Noah | Jina | |
| Paul | Lacorazza | Mass Velocity Track Club |
| Matthew | Lakin | Haverhill Elite Track Club |
| Nicolas | Musumeci | Unattached |
| Bill | Newsham | Greater Boston Track Club |
| Alexander | Turrisi | Haverhill Elite Track Club |
| M800 H2 | ||
| Luke | Davis | |
| Zachary | Frew | Boston-North Track Club |
| Alejandro | Heuck | Greater Springfield Harriers, Inc |
| Ethan | Jina | Emerging Elites |
| Zachary | Mecteau | |
| Richard | O’Keefe | Emerging Elites |
| Jason | Pollutro | Greater Boston Track Club |
| Jim | Watts | Mass Velocity Track Club |
| M800 H3 | ||
| Bruce | Burba | Waltham Track Club |
| Tom | Davis | |
| Tom | Germann | Westford Academy |
| Will | Hassett | Moses Brown |
| Quinn | Jackson | Unattached |
| Nathan | Lopez | Haverhill Elite Track Club |
| Ryan | Proulx | Emerging Elites |
| Brice | Tolan | Unattached |
| Nicholas | Valianti | Unattached |
| M800 H4 | ||
| Conor | Cashin | The Heartbreakers |
| Dan | Cleary | The Heartbreakers |
| Conor | Fitzgerald | |
| Henry | Jordan | |
| Thomas | Kuczmarski | |
| Jackson | Lake | Unattached |
| Amit | Markos | None |
| Jonathan | Phillips | The Heartbreakers |
| Trevor | Zupan | Unattached |
| M800 H5 | ||
| Charles | Coffin | |
| Chapman | Fitzgerald | Central Park Track Club |
| Joseph | Hurton | Unattached |
| Tanner | Jellison | |
| Charlie | King | ridgefield high school |
| Kolya | Markov-Riss | Moses Brown |
| Bradley | McMullian | Saint John Track Club |
| Michael | Zimmerman | Greater Boston Track Club |
| M800 H6 | ||
| Timothy | Bolick | Battle Road Track Club |
| Daniel | Campbell | Unattached |
| Andrew | Carey | Battle Road Track Club |
| Benjamin | Groleau | Western Mass Distance Project |
| Alexander | Laurent | Natick High School |
| Jason | Norris | Wellesley Youth Track and Field Club |
| Jackson | O’Toole | Wellesley Track and Field Club |
| Jovan | Zigic | Westchester Track Club |
| M800 H7 | ||
| Eric | Holt | Garden State Track Club |
| Derek | Jones | Unattached |
| Alex | Larochelle | Athlétisme Sherbrooke |
| William | Looney | Boston Athletic Association |
| James | Randon | Saucony Freedom Track Club |
| Connor | Reck | Boston Athletic Association |
| Michael | Wyman | Unattached |
| W1500 H1 | ||
| Sophia | Bernardi | |
| Olivia | Corbo | Emerging Elites |
| Katherine | Cross-Powers | Runner’s Alley |
| Bethany | Fordham | |
| Julianne | Kelly | Natick High School |
| Julia | Newell | Haverhill Elite Track Club |
| Gabriela | Olivieri | Haverhill Elite Track Club |
| Ella | Sheidley | Natick High School |
| Heather | Sweeney | Greater Boston Track Club |
| Louwrina | te Nijenhuis | Greater Boston Track Club |
| W1500 H2 | ||
| Abby | Artabane | Emerging Elites |
| Anya | Budzinski | Haverhill Elite Track Club |
| Kate | Burrus | Haverhill Elite Track Club |
| Lauren | Downer | Haverhill Elite Track Club |
| Shannon | O’Connell | Peabody |
| Finleigh | Simonds | Haverhill Elite Track Club |
| Lily | Thomas | Haverhill Elite Track Club |
| W1500 H3 | ||
| Laura Rose | Donegan | Battle Road Track Club |
| Stephanie | Douglas | The Heartbreakers |
| Caroline | Fleming | Natick High School |
| Emma | Kerimo | None |
| Jardine | Lam-Colling | University of Toronto Track Club |
| Aisha | McAdams | The Heartbreakers |
| Tess | Pisanelli | |
| Sarah | Reichheld | Unattached |
| Janelle | Solviletti | Battle Road Track Club |
| Kelsey | Tierney | Team Blue |
| Addy | Vettel | Emerging Elites |
| M1500 H1 | ||
| Robert | Budzinski | Haverhill Elite Track Club |
| Logan | Carter | Haverhill Elite Track Club |
| Jason | Dibble | Haverhill Elite Track Club |
| Brian | Gilligan | Greater Boston Track Club |
| Isaac | Gower-Hall | Haverhill Elite Track Club |
| Alessandro | Lopresti | Unattached |
| Thomas | Lynch | Haverhill Elite Track Club |
| Josh | Miller | |
| Nathan | Murawski | Unattached |
| Marcos | Olivieri | Haverhill Elite Track Club |
| Justin | Renz | HFC Striders |
| Will | Shahbazian | Andover High School |
| Jack | Venturi | Haverhill Elite Track Club |
| M1500 H2 | ||
| Hale | Boyden | Green Mountain Athletic Association |
| William | Crounse | Unattached |
| Luke | Davis | |
| Dominic | Defuria | DN Time TC |
| Sean | Edelman | The Heartbreakers |
| Baxter | Gower-Hall | Haverhill Elite Track Club |
| Andrew | Harrell | None |
| Quincy | Kuzyk | Maac |
| Justin | Liona | |
| Thomas | Orcutt | |
| Justin | O’Toole | Unattached |
| Finn | Weeden | Chariho Regional High School |
| Billy | Witrock | Team Blue |
| M1500 H3 | ||
| Matthew | Baron | Boston Athletic Association |
| Nick | Blanchard | Hartbeat Track Club |
| James | Boyle | Unattached |
| Timothy | Champlin | Chariho Regional High School |
| Alexander | Ivanov | |
| Prescott | Leach | None |
| David | McCarey | |
| Anders | Narita | Wachusett Regional High School |
| Evan | O’Neil | Unattached |
| Christopher | Ratcliffe | |
| Joe | Smith | Greater Boston Track Club |
| M1500 H4 | ||
| Marcel | Aubry | University of Toronto Track Club |
| Ben | Bosworth | |
| Alex | Ehrenthal | Unattached |
| Tristan | Forsythe | Georgetown UNA |
| Tommy | Gaffey | |
| Kevin | Greene | Battle Road Track Club |
| Matthew | Kleiman | Unattached |
| Aaron | Lucci | Battle Road Track Club |
| Dage | Minors | |
| Joseph | O’Brien | Unattached |
| John | O’Rourke | Unattached |
| Marc-Andre | Raiche | Athlétisme Sherbrooke |
| Tyler | Remigino | Unattached |
| W5000 Elite | ||
| Cate | Barrett | Oiselle |
| Meagan | Boucher | |
| Emily | Bryson | |
| Meghan | Davis | Unattached |
| Lila | Gaudrault | Unattached |
| Simone | Harrison | Unattached |
| Sarah | Jonathan | Battle Road Track Club |
| Jaime | Lord | Battle Road Track Club |
| Jenn | Lutz | |
| Cayla | Pellegrini | |
| Lauren | Perkowski | Unattached |
| Margaret | Sczupak | Unattached |
| Sarah | Walker | Battle Road Track Club |
| Danielle | Winslow | Western Mass Distance Project |
| Emma | Zehner | Tracksmith Hare AC |
| M5000 Open H1 | ||
| Daniel | Biales | Battle Road Track Club |
| Chance | Blackstone | Saint John Track Club |
| Francis | Burdett | Greater Springfield Harriers, Inc |
| Aidan | Carter-Frem | |
| Edward | Collins | Unattached |
| Trevor | DeMarco | Unattached |
| Miles | Harrison | Arlington TC |
| Stephen | Moineau | None |
| Charles | Namiot | Unattached |
| Samuel | Proulx | Fleur de Lys |
| Will | Shahbazian | Andover High School |
| Tyler | Sheedy | Hule’s Happy Friends TC |
| Derek | Tratnyek | Unattached |
| David | Westenberg | |
| M5000 Open H2 | ||
| Sadadine | Adam | |
| Andrew | Chalmers | Greater Boston Track Club |
| Michael | Colford | Saint John Track Club |
| Kevin | Connors | Tracksmith Hare AC |
| Isaac | Cull | Saint John Track Club |
| Owen | Curran | |
| Chris | Gabrielson | |
| Robert | Giuliani | Greater Boston Track Club |
| Prescott | Leach | None |
| David | McCarey | |
| Mark | McDermott | HFC Striders |
| Sean | Meehan | |
| Raymond | Meijer | Tracksmith Hare AC |
| Dawson | Nancekvill | Saint John Track Club |
| Mark | Rabasco | Western Mass Distance Project |
| Daniel | Raboin | Central Mass Striders |
| Connor | Visnic | Amity Regional (CT) |
| Matthew | Walker | Hartbeat TC |
| M5000 Elite | ||
| Robert | Cozean | |
| Daniel | Crowley | Battle Road Track Club |
| Rob | DeSisto | Western Mass Distance Project |
| Andrew | Erskine | Battle Road Track Club |
| Nicholas | Filippazzo | NM Coal Miners |
| Alex | Fitzgerald | Boston Athletic Association |
| Peter | Francia | Western Mass Distance Project |
| Timothy | Gill | Western Mass Distance Project |
| Benjamin | Groleau | Western Mass Distance Project |
| John | Prizzi | Battle Road Track Club |
| Marcelo | Rocha | |
| Amos | Sang | Western Mass Distance Project |
| Lucas | Stalnaker | Pacers/GRC New Balance |
| Thomas | Toth | |
| 4×800 | ||
| Team | Registration | Greater Manchester Running Club |
| W Long Jump | ||
| Jordan | Lafave | Wellesley Youth Track and Field Club |
| Victoria | Leblanc | Saint John Track Club |
| Catie | O’Neill | Natick High School |
| Bharathi | Subbiah | Weston High School |
| M Long Jump | ||
| Dave | Bowers | |
| Andrew | Chabon | None |
| Owen | de Mars | Greater Lowell Road Runners |
| Luis | Gonzalez | |
| Michael | Perez | Peabody Veterans Memorial High School |