Open Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| Saturday, June 26, 2021 | Fort Wayne, IN | $150/team | |
| Sunday, August 29, 2021 | Midwest Major Super Bowl Lanes |
Canton, MI | $220 |
| Saturday, Nov. 20, 2021 | Capri Lanes Dayton Open | Dayton, OH | TBD |
| April 23-25, 2022 | 4th Annual Kalamazoo Open Continental Lanes |
Kalamazoo, MI | TBD |
Challenge Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| Sunday, June 27, 2021 | Thunderbowl #1 (Dual Pattern) | Fort Wayne, IN | $70 |
| Saturday, August 7, 2021 | AMF North Ridgeville Lanes ***POSTPONED*** | North Ridgeville, OH | $70 |
Sweeper Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| Thursday, June 17, 2021 | Town and Country Lanes | Westland, MI | $45 |
| Friday, June 18, 2021 | JAX 60 | Jackson, MI | $50 |
| Saturday, June 19, 2021 | Sparetime Lanes | Cheboygan, MI | $50 |
| Monday, June 21, 2021 | Northland Lanes | Holland, MI | $45 |
| Monday, June 21, 2021 | Bowlero Lanes | Toledo, OH | $45 |
| Thursday, June 24, 2021 | Imperial Lanes | Clinton Township, MI | $45 |
| Monday, June 28, 2021 | Airway Lanes | Kalamazoo, MI | $50 |
| Tuesday, June 29, 2021 | Char Lanes | Charlotte, MI | $45 |
| Thursday, July 1, 2021 | Woodhaven Lanes | Trenton, MI | $45 |
| Monday, July 5, 2021 | Hudsonville Lanes | Hudsonville, MI | $45 |
| Monday, July 5, 2021 | Miracle Lanes | Toledo, OH | $45 |
| Thursday, July 8, 2021 | 300 Bowl | Waterford, MI | $45 |
| Friday, July 9, 2021 | JAX 60 | Jackson, MI | $50 |
| Sunday, July 11, 2021 | Thunder Bowl | Alpena, MI | $50 |
| Monday, July 12, 2021 | Bowlero Lanes | Battle Creek, MI | $45 |
| Tuesday, July 13, 2021 | Riverwood | Mount Pleasant, MI | $50 |
| Thursday, July 15, 2021 | Plaza Lanes | Plymouth, MI | $45 |
| Monday, July 19, 2021 | Northway Lanes | Muskegon, MI | $50 |
| Monday, July 19, 2021 | Eastern Lanes | Northwood, OH | $45 |
| Monday, July 22, 2021 | 5 Star Lanes | Sterling Heights, MI | $45 |
| Friday, July 23, 2021 | JAX 60 | Jackson, MI | $50 |
| Monday, July 26, 2021 | Revel and Roll West | Kalamazoo, MI | $45 |
| Tuesday, July 27, 2021 | Richfield Bowl | Flint, MI | $50 |
| Thursday, July 29, 2021 | Indian Lanes | Wyandotte, MI | $45 |
| Saturday, July 31, 2021 | Gaylord Bowling Center | Gaylord, MI | $50 |
| Monday, August 2, 2021 | Westgate Bowl | Comstock Park, MI | $45 |
| Monday, August 2, 2021 | New Glass Bowl | Toledo, OH | $45 |
| Thursday, August 5, 2021 | Shore Lanes | St. Clair Shores, MI | $45 |
| Friday, August 6, 2021 | JAX 60 | Jackson, MI | $50 |
| Monday, August 9, 2021 | Bronswon Strike Zone | Bronson, MI | $45 |
| Thursday, August 12, 2021 | Country Lanes | Farmington Hills, MI | $45 |
| Saturday, August 14, 2021 | Hi Skore Lanes | West Branch, MI | $50 |
| Monday, August 16, 2021 | Interstate Lanes Greater Toledo Rolloff |
Rossford, OH | $60 |
| Thursday, August 19, 2021 | Woodland Lanes (Metro Detroit combined Rolloff) | Livonia, MI | $60 |
| Sunday, August 22, 2021 | Royal Scot Lanes (Lower Mid-MI Rolloff) | Lansing, MI | $60 |
| Monday, August 23, 2021 | Spectrum Lanes (SW MI Rolloff) | Wyoming, MI | $60 |
| Saturday, August 28, 2021 | Sprummer Championship Super Bowl Lanes |
Canton, MI | $60 |
2021 Sprummer Sweeper Series
Metro Detroit -- Mostly Thursdays with a few early Sundays
Southwest Michigan -- Mondays throughout the Summer with a Friday kickoff
Western Michigan -- Mondays throughout the Summer with a Friday kickoff
Lower Mid-MI -- All different days
Northern MI -- Weekends
Greater Toledo -- EOW Mondays