Count: 25
| Race Date | Class | Series | Race | Car Count | Winner | Start | Story |
| Sunday, March 14, 2021 | Wing | | Opening Day | 32 | Freddie Rahmer | 1 | Freddie Rahmer Wins Windy Williams Grove Opener Sunday | |
| Friday, March 26, 2021 | Wing | | | 30 | Justin Peck | 2 | Peck Wires For Williams Grove Wins As Both Drivers Net Career Firsts At Track | |
| Friday, April 16, 2021 | Wing | AS | Tommy Hinnershitz Memorial | 35 | Kyle Larson | 2 | Kyle Larson beats All Stars and Pennsylvania Posse for second consecutive Tommy Hinnershitz Classic crown | |
| Friday, April 23, 2021 | Wing | | | 29 | Lucas Wolfe | 1 | Lucas Wolfe Wins First In Williams Grove Sprints Since 2019, | |
| Friday, May 14, 2021 | Wing | WoO | | 39 | Carson Macedo | 1 | OUTLAWS REIGN: CARSON MACEDO DENIES LANCE DEWEASE AT WILLIAMS GROVE | |
| Saturday, May 15, 2021 | Wing | WoO | Morgan Cup | 40 | Aaron Reutzel | 1 | OUTLAWS SWEEP: Aaron Reutzel Conquers Morgan Cup for $15,000 Williams Grove Win | |
| Friday, May 21, 2021 | Wing | | | 24 | Lance DeWease | 4 | Dewease Dominates For Williams Grove 100th Sprint Win | |
| Friday, June 4, 2021 | Wing | | | 17 | Justin Whittall | 1 | Whittall Whips Williams Grove Sprints | |
| Wingless 360 | USACEC | | 21 | Steven Drevicki | 6 | Drevicki Returns to USAC East Coast Victory Lane at Williams Grove | |
| Friday, June 18, 2021 | Wing | | | 27 | Lance DeWease | 2 | Dewease Wins 101 At The Grove | |
| Silver Crown | USACSC | | 26 | Shane Cockrum | 7 | COCKRUM CONQUERS WILLIAMS GROVE 100 IN FIRST START FOR NEW TEAM | |
| Friday, June 25, 2021 | Wing | | PA Speedweek Davey Brown Tribute | 38 | Lance DeWease | 4 | Dewease Gets Storybook Grove Win To Celebrate Mechanic Brown’s Career | |
| Friday, July 2, 2021 | Wing | | PA Speedweek Mitch Smith Memorial | 32 | Lance DeWease | 2 | Lance Dewease Continues Williams Grove Winning Ways In Speedweek Mitch Smith Memorial Friday | |
| Friday, July 16, 2021 | Wing | | | 25 | Freddie Rahmer | 2 | Freddie Rahmer Wins Week Before The Outlaws, First Since Opening Day At Williams Grove | |
| Friday, July 23, 2021 | Wing | WoO | Summer Nationals | 36 | Sheldon Haudenschild | 1 | THE NEXT GENERATION: SHELDON HAUDENSCHILD SCORES FIRST-CAREER WILLIAMS GROVE WIN | |
| Saturday, July 24, 2021 | Wing | WoO | Summer Nationals | 33 | Brent Marks | 4 | POSSE PRIDE: BRENT MARKS BEATS THE OUTLAWS IN WILLIAMS GROVE THRILLER | |
| Friday, July 30, 2021 | Wing | | | 26 | Matt Campbell | 1 | Matt Campbell Drives Flawless Event To Turn Back Dietrich And Dewease At Williams Grove | |
| Friday, August 6, 2021 | Wing | | Billy Kimmel Memorial | 24 | Devon Borden | 1 | Devon Borden Wins For Heffner At Williams Grove, 18-year old throttles to victory for first oval win since Hodnett in 2018 | |
| Friday, August 20, 2021 | Wing | | | 18 | Anthony Macri | 7 | Macri Gets Elusive First Williams Grove Sprint Win | |
| Late Model | WoOLM | | 27 | Gregg Satterlee | 2 | TRUTH HURTS: SATTERLEE LEADS WIRE-TO-WIRE FOR WILLIAMS GROVE WIN | |
| Friday, September 3, 2021 | Wing | | Todd Shaffer Tribute Race | 26 | Brent Marks | 1 | Marks Wires For Williams Grove Todd Shaffer Tribute Win | |
| Friday, September 17, 2021 | Wing | AS | Jack Gunn Memorial | 40 | Anthony Macri | 1 | Anthony Macri scores $7,000 Dirt Classic Qualifier | Jack Gunn Memorial at Williams Grove Speedway | |
| Friday, September 24, 2021 | Wing | | | 25 | Brian Brown | 3 | From Knoxville To Williams Grove – Brian Brown Gets His Win Friday! | |
| Friday, October 1, 2021 | Wing | WoO | National Open prelim | 49 | Kyle Larson | 1 | OPENING ACT: KYLE LARSON CLOSER TO TRIPLE CROWN WITH WILLIAMS GROVE WIN | |
| Saturday, October 2, 2021 | Wing | WoO | National Open | 48 | Carson Macedo | 6 | CARSON’S GROVE: MACEDO OUTRUNS SCHUCHART FOR $75,000 IN NATIONAL OPEN THRILLER | |
