Open Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| March 30-31, 2019 | Kalamazoo Open Continental Lanes |
Kalamazoo, MI | TBA |
| April 20, 2019 | Hammer Championship JAX 60 |
Jackson, MI | $100/$120 |
| May 3-5, 2019 | Northern Open | Sanford, MI | TBA |
| August 2019 | Recreation Lanes | Iron Mountain, MI | TBA |
| August 2019 | Bowl-a-Rama | Escanaba, MI | TBA |
| October 4-6, 2019 | Gerlach's Lanes 100 Year Anniversary Open | Lapeer, MI | TBA |
Small Town Challenge Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| Sun., March 17, 2019 | Ten Pin Alley 12-gamer | Tecumseh, MI | $100 |
| Sat., November 16, 2019 | The Pines | Cadillac, MI | $65 |
Metro Challenge Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| Sat., March 2, 2019 | Poelking Lanes | Dayton, OH | $75 |
Sweeper Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| Friday, March 8, 2019 | Striketown Manistee | Manistee, MI | $40 |
| Sunday, March 10, 2019 | Howard City Lanes | Howard City, MI | $40 |
| Monday, March 11, 2019 | Indian Lanes | Wyandotte, MI | $40 |
| Tuesday, March 12, 2019 | Interstate Lanes | Rossford, OH | $40 |
| Tuesday, March 19, 2019 | Brooklyn Lanes | Brooklyn, MI | $50 |
| Friday, March 22, 2019 | Mancelona Lanes Baker Doubles |
Mancelona, MI | $100/team |
| Sunday, March 24, 2019 | Washington Lanes | Bay City, MI | $40 |
| Tuesday, March 26, 2019 | Miracle Lanes | Toledo, OH | $40 |
| Friday, March 29, 2019 | Rainbow Lanes | Paw Paw, MI | $40 |
| Monday, April 1, 2019 | Flat Rock Lanes | Flat Rock, MI | $45 |
| Tuesday, April 2, 2019 | Chelsea Lanes | Chelsea, MI | $40 |
| Friday, April 5, 2019 | Lakeside Lanes | South Haven, MI | $40 |
| Monday, April 8, 2019 | Shore Lanes | St. Clair Shores, MI | $45 |
| Tuesday, April 9, 2019 | Bowlero Lanes | Toledo, OH | $40 |
| Friday, April 12, 2019 | Bowling Alley Ionia | Ionia, MI | $40 |
| Monday, April 15, 2019 | Super Bowl | Canton, MI | $45 |
| Tuesday, April 16, 2019 | Suburban Lanes | Jackson, MI | $40 |
| Wednesday, April 17, 2019 | Joey Armadillo's | Niles, MI | $40 |
| Sunday, April 21, 2019 | Fairlanes | Grandville, MI | $40 |
| Monday, April 22, 2019 | Imperial Lanes | Clinton Township, MI | $45 |
| Tuesday, April 23, 2019 | Rossford Lanes | Rossford, OH | $40 |
| Sunday, April 28, 2019 | Skore Lanes Eliminator | Taylor, MI | $55 |
| Monday, April 29, 2019 | Airway Lanes | Kalamazoo, MI | $50 |
| Tuesday, April 30, 2019 | Timbers | Toledo, OH | $40 |
| Thursday, May 2, 2019 | Century Bowl | Waterford, MI | $45 |
| Monday, May 6, 2019 | Sherman Bowling Center | Muskegon, MI | $40 |
| Tuesday, May 7, 2019 | Lenawee Recreation | Adrian, MI | $40 |
| Thursday, May 9, 2019 | Five Star (combined doubles) | Sterling Heights, MI | $100/team |
| Monday, May 13, 2019 | Marshall Lanes | Marshall, MI | $40 |
| Tuesday, May 14, 2019 | Toledo Sport Center | Toledo, OH | $40 |
| Thursday, May 16, 2019 | Belmar Lanes | Southgate, MI | $55 |
| Monday, May 20, 2019 | Wenger's Baker Doubles | Grand Rapids, MI | $100/team |
| Tuesday, May 21, 2019 | JAX 60 | Jackson, MI | $50 |
| Thursday, May 23, 2019 | Bowl One | Troy, MI | $45 |
| Monday, May 27, 2019 | Hastings Bowl, Inc. | Hastings, MI | $40 |
| Tuesday, May 28, 2019 | Monroe Sport Center | Monroe, MI | $40 |
| Thursday, May 30, 2019 | Town n Country Lanes | Westland, MI | $45 |
| Monday, June 3, 2019 | Rockord Lanes | Rockford, MI | $40 |
| Thursday, June 6, 2019 | Sterling Lanes | Sterling Heights, MI | $45 |
| Monday, June 10, 2019 | Kelley's Bowl | St. Joseph, MI | $40 |
| Tuesday, June 11, 2019 | Forest View Lanes | Temperance, MI | $40 |
| Thursday, June 13, 2019 | Ford Lanes | Dearborn Heights, MI | $45 |
| Monday, June 17, 2019 | Northland Lanes | Holland, MI | $40 |
| Tuesday, June 18, 2019 | Hudson Lanes | Hudson, MI | $50 |
| Thursday, June 20, 2019 | Bonanza Lanes | Warren, MI | $45 |
| Monday, June 24, 2019 | Continental Lanes | Kalamazoo, MI | $40 |
| Tuesday, June 25, 2019 | Al-Mar Lanes | Bowling Green, OH | $40 |
| Thursday, June 27, 2019 | Plaza Lanes | Plymouth, MI | $45 |
| Monday, July 1, 2019 | Hillcrest Lanes | Belding, MI | $40 |
| Tuesday, July 2, 2019 | University Lanes | Albion, MI | $40 |
| Monday, July 8, 2019 | South Lanes | Three Rivers, MI | $40 |
| Tuesday, July 9, 2019 | New Glass Bowl | Toledo, OH | $40 |
| Thursday, July 11, 2019 | 300 Bowl | Waterford, MI | $45 |
| Monday, July 15, 2019 | Northway Lanes | Muskegon, MI | $50 |
| Tuesday, July 16, 2019 | Ten Pin Alley | Tecumseh, MI | $40 |
| Thursday, July 18, 2019 | Wayne Bowl | Wayne, MI | $45 |
| Monday, July 22, 2019 | Bronson Strike Zone | Bronson, MI | $40 |
| Tuesday, July 23, 2019 | Eastern Lanes | Northville, OH | $40 |
| Thursday, July 25, 2019 | Universal Lanes | Warren, MI | $45 |
| Monday, July 29, 2019 | Hudsonville Lanes | Hudsonville, MI | $40 |
| Thursday, August 1, 2019 | Thunderbowl | Allen Park, MI | $45 |
| Monday, August 5, 2019 | Midway Lanes | Coldwater, MI | $40 |
| Tuesday, August 6, 2019 | Bowlero Lanes (Eliminator) | Toledo, OH | $40 |
| Thursday, August 8, 2019 | Classic Lanes | Rochester Hills, MI | $45 |
| Monday, August 12, 2019 | Westgate Bowl | Comstock Park, MI | $40 |
| Monday, August 19, 2019 | SW MI Sprummer Rolloff Airway Lanes |
Kalamazoo, MI | $60 |
| Tuesday, August 20, 2019 | Greater Toledo Sprummer Rolloff | Timbers, Toledo, OH | $60 |
| Monday, August 26, 2019 | Western MI Sprummer Rolloff Spectrum Lanes |
Wyoming, MI | $60 |
| Tuesday, August 27, 2019 | Southern MI Sprummer Rolloff | JAX 60, Jackson, MI | $60 |
| Sunday, September 8, 2019 | Hammer Sprummer Championship Thunderbowl |
Allen Park, MI | $60 |
2019 Sprummer Sweeper Series
Metro Detroit -- Various days from February through August
SW Michigan -- Various days before May and then Mondays from May through August
Western Michigan -- Mostly Mondays
Greater Toledo -- Tuesdays from March through August
Southern Michigan - Tuesdays from March through August