| Saturday | 4/3/2021 | Milikan Big Blue Invite | Results | Printable Results |
| Friday | 4/9/2021 | IL Benedictine | Results | Printable Results |
| Saturday | 4/10/2021 | Utah State Aggie Invitational | Results | Printable Results |
| Wednesday | 4/14/2021 | Willowbrook Boys | Results | Printable Results |
| Thursday | 4/15/2021 | Addison Trail Quad | Results | Printable Results |
| Saturday | 4/17/2021 | Latin/Hope Invitational #1 | Results | Printable Results |
| Sunday | 4/18/2021 | Windy City Series Middle School Meet #1 | Results | Printable Results |
| Monday | 4/19/2021 | Minooka Boys Triangular | Results | Printable Results |
| Tuesday | 4/20/2021 | Plainfield South Girls Tri | Results | Printable Results |
| Tuesday | 4/20/2021 | Glenbard South | Results | Printable Results |
| Tuesday | 4/20/2021 | Yorkville | Results | Printable Results |
| Tuesday | 4/20/2021 | Eisenhower vs. Shepard | Results | Printable Results |
| Wednesday | 4/21/2021 | Woodstock vs Harvard | Results | Printable Results |
| Friday | 4/23/2021 | Addison Trail Quad | Results | Printable Results |
| Friday | 4/23/2021 | Bloom Girls Invite | Results | Printable Results |
| Saturday | 4/24/2021 | St. Ignatius Invite #1 | Results | Printable Results |
| Saturday | 4/24/2021 | Leyden Girls | Results | Printable Results |
| Saturday | 4/24/2021 | Latin/Hope Invitational #2 | Results | Printable Results |
| Monday | 4/26/2021 | Proviso West | Results | Printable Results |
| Tuesday | 4/26/2021 | Marengo vs. Johnsburg | Results | Printable Results |
| Tuesday | 4/27/2021 | Yorkville | Results | Printable Results |
| Tuesday | 4/27/2021 | Plainfield Central Girls Triangular | Results | Printable Results |
| Tuesday | 4/27/2021 | Plainfield South Boys Triangular | Results | Printable Results |
| Wednesday | 4/28/2021 | St. Ignatius | Results | Printable Results |
| Wednesday | 4/28/2021 | Lincoln Way East vs Lockport (Girls) | Results | Printable Results |
| Thursday | 4/29/2021 | Hunt Invite | Results | Printable Results |
| Friday | 4/30/2021 | Illinois Benedictine | Results | Printable Results |
| Friday | 4/30/2021 | Kaneland | Results | Printable Results |
| Friday | 4/30/2021 | McHenry Quad | Results | Printable Results |
| Friday | 4/30/2021 | Conant Girls Twilight | Results | Printable Results |
| Saturday | 5/1/2021 | Latin | Results | Printable Results |
| Saturday | 5/1/2021 | Addison Trail Girls | Results | Printable Results |
| Saturday | 5/1/2021 | St. Ignatius Girls | Results | Printable Results |
| Saturday | 5/1/2021 | Harelm HS | Results | Printable Results |
| Saturday | 5/1/2021 | Bloom May Day Invitational | Results | Printable Results |
| Sunday | 5/2/2021 | Hope Middle School Meet #2 | Results | Printable Results |
| Monday | 5/3/2021 | Proviso West | Results | Printable Results |
| Tuesday | 5/4/2021 | Plainfield South Tri | Results | Printable Results |
| Tuesday | 5/4/2021 | Plainfield Central Boys Triangular | Results | Printable Results |
| Tuesday | 5/4/2021 | Romeoville Boys Triangular | Results | Printable Results |
| Wednesday | 5/5/2021 | Hope Muzikowski Invite | Results | Printable Results |
| Wednesday | 5/5/2021 | LWE vs BB | Results | Printable Results |
| Thursday | 5/6/2021 | Leyden Boys Quad | Results | Printable Results |
| Friday | 5/7/2021 | Conant-Gummerson Invite | Results | Printable Results |
| Friday | 5/7/2021 | South Shore | Results | Printable Results |
| Friday | 5/7/2021 | Lincoln Way East Girls vs. Lockport | Results | Printable Results |
| Saturday | 5/8/2021 | St. Ignatius | Results | Printable Results |
| Saturday | 5/8/2021 | Eisenhower-District 218 Triangular | Results | Printable Results |
| Saturday | 5/8/2021 | Latin Hope Invitational #4 | Results | Printable Results |
| Saturday | 5/8/2021 | West Suburban Conference Distance Night | Results | Printable Results |
| Tuesday | 5/11/2021 | Minooka Boys Triangular | Results | Printable Results |
| Tuesday | 5/11/2021 | Plainfield South Girls Tri | Results | Printable Results |
| Tuesday | 5/11/2021 | Glenbard South Boys Quadrangular | Results | Printable Results |
| Tuesday | 5/11/2021 | Woodstock vs. Richmond Burton | Results | Printable Results |
| Tuesday | 5/11/2021 | Yorkville Girls Triangular | Results | Printable Results |
| Tuesday | 5/11/2021 | Plainfield Central Boys Triangular | Results | Printable Results |
| Wednesday | 5/12/2021 | St. Ignatius Invitational #5 | Results | Printable Results |
| Wednesday | 5/12/2021 | HF Girls vs. Lincoln Way East | Results | Printable Results |
| Wednesday | 5/12/2021 | Lincoln Way East Boys vs HF | Results | Printable Results |
| Wednesday | 5/12/2021 | Willowbrook Boys Quadrangular | Results | Printable Results |
| Thursday | 5/13/2021 | Leyden Girls Triangular | Results | Printable Results |
| Thursday | 5/13/2021 | St. Rita Open | Results | Printable Results |
| Friday | 5/13/2021 | Bloom Girls Friday Night Lights | Results | Printable Results |
| Saturday | 5/15/2021 | St. Ignatius | Results | Printable Results |
| Saturday | 5/15/2021 | Willowbrook Girls | Results | Printable Results |
| Saturday | 5/15/2021 | Latin Hope Invitational | Results | Printable Results |
| Sunday | 5/16/2021 | Hope Middle School Meet #3 | Results | Printable Results |
| Sunday | 5/16/2021 | Noble Network Championships | Results | Printable Results |
| Monday | 5/17/2021 | Proviso West Girls vs. DGS, Glenbard West | Results | Printable Results |
| Tuesday | 5/18/2021 | Marengo vs Woodstock | Results | Printable Results |
| Tuesday | 5/18/2021 | Plainfield South Girls Tri | Results | Printable Results |
| Tuesday | 5/18/2021 | Glenbard South vs. Glenbard East | Results | Printable Results |
| Tuesday | 5/18/2021 | Yorkville Boys Triangular | Results | Printable Results |
| Tuesday | 5/18/2021 | Oswego Girls Triangular | Results | Printable Results |
| Wednesday | 5/19/2021 | St. Ignatius | Results | Printable Results |
| Wednesday | 5/19/2021 | Proviso West Boys Quadrangular | Results | Printable Results |
| Wednesday | 5/19/2021 | Lincoln Way East Boys vs Bolingbrook | Results | Printable Results |
| Thursday | 5/20/2021 | St. Rita Open #3 | Results | Printable Results |
| Thursday | 5/20/2021 | Plainfield Central Girls Triangular | Results | Printable Results |
| Thursday | 5/20/2021 | Eisenhower Quintrangular | Results | Printable Results |
| Friday | 5/21/2021 | Smith Strong Invite @ Minooka | Results | Printable Results |
| Friday | 5/21/2021 | Crystal Lake South | Results | Printable Results |
| Friday | 5/21/2021 | Crystal Lake Central Invite | Results | Printable Results |
| Friday | 5/21/2021 | Brother Rice Quad | Results | Printable Results |
| Saturday | 5/22/2021 | Leyden Boys Quad | Results | Printable Results |
| Saturday | 5/22/2021 | St. Ignatius | Results | Printable Results |
| Saturday | 5/22/2021 | Willowbrook Girls Triangular | Results | Printable Results |
| Saturday | 5/22/2021 | Lyons Girls Triangular | Results | Printable Results |
| Saturday | 5/22/2021 | Chicago Prep Conference | Results | Printable Results |
| Monday | 5/24/2021 | Proviso West vs. Addison Trail | Results | Printable Results |
| Tuesday | 5/25/2021 | Minooka Boys Triangular | Results | Printable Results |
| Tuesday | 5/25/2021 | Plainfield South Boys Triangular | Results | Printable Results |
| Tuesday | 5/25/2021 | Romeoville Boys Triangular | Results | Printable Results |
| Tuesday | 5/25/2021 | Kishwaukee Conference | Live Results | Printable Results |
| Wednesday | 5/26/2021 | St. Ignatius Invitational #8 | Live Results | Printable Results |
| Wednesday | 5/26/2021 | Lakeshore Athletic Conference | Live Results | Printable Results |
| Wednesday | 5/26/2021 | North Suburban Conference | Live Results | Printable Results |
| Thursday | 5/27/2021 | Central Suburban League | Live Results | Printable Results |
| Thursday | 5/27/2021 | Crystal Lake Central Frosh Soph Invitational | Live Results | Printable Results |
| Saturday | 5/29/2021 | Latin Invite | Live Results | Printable Results |
| Saturday | 5/29/2021 | St. Rita Memorial Day Invite | Live Results | Printable Results |
| Saturday | 5/29/2021 | Lockport Bill Jackson Invitational | Live Results | Printable Results |
| Saturday | 5/29/2021 | Plainfield Central Boys Quad | Live Results | Printable Results |
| Saturday | 5/29/2021 | Walther Christian Invitational | Live Results | Printable Results |
| Sunday | 5/30/2021 | Hope Middle School Meet #4 | Live Results | Printable Results |
| Tuesday | 6/1/2021 | Kishwaukee Conference @ Woodstock North | Live Results | Printable Results |
| Tuesday | 6/1/2021 | Plainfield East Boys Quintrangular | Live Results | Printable Results |
| Wednesday | 6/2/2021 | Southwest Suburban Blue Conference at Lockport | Live Results | Printable Results |
| Wednesday | 6/2/2021 | MSL @ Conant | Live Results | Printable Results |
| Wednesday | 6/2/2021 | Interstate 8 at Plano | Live Results | Printable Results |
| Thursday | 6/3/2021 | South Suburban Blue Conference at Lemont | Live Results | Printable Results |
| Thursday | 6/3/2021 | WSC @ Proviso West | Live Results | Printable Results |
| Thursday | 6/3/2021 | IHSA Class AA Girls Sectional at Plano | Live Results | Printable Results |
| Thursday | 6/3/2021 | IHSA Class A Hope and AA Latin Girls Sectional at Hope Academy | Live Results | Printable Results |
| Thursday | 6/3/2021 | IHSA Class AAA Lockport Girls Sectional | Live Results | Printable Results |
| Friday | 6/4/2021 | Metro Suburban Blue Championships @ Elmwood Park | Live Results | Printable Results |
| Friday | 6/4/2021 | Metro Suburban Red Championships @ Westmont | Live Results | Printable Results |
| Saturday | 6/5/2021 | SPC @Plainfield South | Live Results | Printable Results |
| Wednesday | 6/9/2021 | Homewood Flossmoor IHSA 3A Sectional | Live Results | Printable Results |
| Wednesday | 6/9/2021 | Hope & DeLaSalle IHSA 1A/2A Sectional | Live Results | Printable Results |
| Thursday | 6/10/2021 | St. Rita IHSA 2A Sectional | Live Results | Printable Results |
| Thursday | 6/10/2021 | Glenbard South IHSA 2A Sectional | Live Results | Printable Results |
| Sunday | 6/13/2021 | Hope Middle School Championships | Live Results | Printable Results |
| Saturday | 6/19/2021 | Illinois Meet of Champions | Live Results | Printable Results | Monday | 6/28/2021 | 800 Jamboree | Live Results | Printable Results |
IL PREP TOP TIMING 