Open/Challenge Events
Youth Only Events = teal background
| Date | Host Center | City | Entry |
|---|---|---|---|
| Sunday, May 11, 2025 | Sanford, MI | $160/team | |
| Saturday, May 31, 2025 | IC Strikes Baker Doubles | Imlay City, MI | $140/team |
| Saturday, June 7, 2025 | B.C. Lanes | Boyne City, MI | $80 |
| Sunday, July 6, 2025 | Main Street Lanes | Standish, MI | $80 |
| Saturday, July 12, 2025 | Brass Knuckles Baker Doubles IV (House Shot) Northway Lanes |
Mustkegon, MI | $120/team |
| Sunday, July 20, 2025 | Flint MI Mega Bowl Grand Blanc Lanes |
Flint, MI | $80 |
| Sunday, August 3, 2025 | Gaylord Bowling Center | Gaylord, MI | $90 |
| Sunday, August 24, 2025 | Thunderbowl #1 Kiser Tournaments & MSBS House Shot Trio |
Fort Wayne, IN | $300/team |
| Saturday, October 18, 2025 | Bellaire Lanes | Bellaire, MI | $90 |
| Sunday, November 16, 2025 | Rich Lanes String Pin Challenge | Blissfield, MI | $70 |
| Sunday, November 30, 2025 | 13th Annual Fort Wayne Open Pro Bowl West |
Fort Wayne, IN | $90 |
| Sunday, December 14, 2025 | 6th Annual Anderson Open Championship Lanes |
Anderson, IN | $90 |
| Saturday, December 20, 2025 | South 66 Lanes | Defiance, MI | $80 |
| Sunday, December 21, 2025 | Continental Lanes Baker Doubles (House Shot) | Kalamazoo, MI | $140/team |
| Saturday, December 27, 2025 | Fenton Lanes | Fenton, MI | $80 |
| Wednesday, December 31, 2025 | Bluefusion Fun Center | Marion, OH | $90 |
| Sunday, January 11, 2026 | Bay City Challenge Monitor Lanes |
Bay City, MI | $90 |
| Sunday, January 18, 2026 | Heritage Lanes | Kokomo, IN | $90 |
| Saturday, January 24, 2026 | Holly Lanes | Holly, MI | $80 |
| Sunday, February 1, 2026 | Hi Skore Lanes | West Branch, MI | $90 |
| Saturday, February 14, 2026 | Greenville Hot Spot | Greenville, MI | $80 |
| Sunday, February 22, 2026 | Kiser & MSBS House Shot Baker Doubles MVP Lanes |
Fort Wayne, IN | $140/team |
| Saturday, March 7, 2026 | Country Lanes | Farmington Hills, MI | $80 |
| March 7-8, 2026 | 8th Annual Kalamazoo Open Continental Lanes |
Kalamazoo, MI | $100 |
| Saturday, March 21, 2026 | Downriver Challenge Ten Pins of Trenton |
Trenton, MI | $90 |
| March 28-29, 2026 |
Grand Rapids Open Northfield Lanes |
Grand Rapids,I | TBD |
| Saturday, April 4, 2026 | Big Rapids Bowling Center | Big Rapids, MI | $80 |
| Sunday, April 26, 2026 | Castle Lanes Baker Doubles | Racine, WI | $160/team |
Sweeper Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| Monday, May 12, 2025 | Airway Lanes | Kalamazoo, MI | $50 |
| Tuesday, May 13, 2025 | Pins & Pints | East Lansing, MI | $50 |
| Thursday, May 15, 2025 | Collier Lanes | Oxford, MI | $50 |
| Saturday, May 17, 2025 | Ten Pins of Trenton | Trenton, MI | $50 |
| Monday, May 19, 2025 | Northway Lanes | Muskegon, MI | $50 |
| Tuesday, May 20, 2025 | Timbers | Maumee, OH | $50 |
| Thursday, May 22, 2025 | Premier Lanes | Chesterfield, MI | $50 |
| Sunday, May 25, 2025 | Gerlach's | Lapeer, MI | $60 |
| Monday, May 26, 2025 | Striker's | St. Joseph, MI | $50 |
| Tuesday, May 27, 2025 | Suburban Lanes | Jackson, MI | $50 |
| Thursday, May 29, 2025 | Imperial Lanes | Clinton Township | $50 |
| Sunday, June 1, 2025 | Oak Lanes | Westland, MI | $60 |
| Monday, June 2, 2025 | Northland Lanes | Holland, MI | $50 |
| Tuesday, June 3, 2025 | All Strikes Lanes | Toledo, OH | $50 |
| Thursday, June 5, 2025 | Sterling Lanes | Sterling Heights, MI | $50 |
| Sunday, June 8, 2025 | Washington Lanes | Bay City, MI | $50 |
| Monday, June 9, 2025 | Bowlero Lanes | Battle Creek, MI | $50 |
| Tuesday, June 10, 2025 | Howell Bowl-E-Drome | Howell, MI | $50 |
| Thursday, June 12, 2025 | Century Bowl | Waterford, MI | $50 |
| Saturday, June 14, 2025 | Plaza Lanes | Plymouth, MI | $60 |
| Monday, June 16, 2025 | Park Center Lanes | Wyoming, MI | $50 |
| Tuesday, June 17, 2025 | Miracle Lanes | Toledo, OH | $50 |
| Thursday, June 19, 2025 | Striker's Entertainment | Richmond, MI | $50 |
| Sunday, June 22, 2025 | Colonial Lanes | Flushing, MI | $60 |
| Monday, June 23, 2025 | South Lanes | Three Rivers, MI | $50 |
| Tuesday, June 24, 2025 | Spare Time Entertainment | East Lansing, MI | $50 |
| Thursday, June 26, 2025 | Classic Lanes | Rochester Hills, MI | $50 |
| Sunday, June 29, 2025 | Woodhaven Lanes | Woodhaven, MI | $50 |
| Monday, June 30, 2025 | Westgate Bowl | Comstock Park, MI | $50 |
| Monday, June 30 & Thursday, July 3 | Fraser Star Lanes | Fraser, MI | $60 |
| Tuesday, July 1, 2025 | Al-Mar Lanes | Bowling Green, OH | $50 |
| Sunday, July 6, 2025 | Main Street Lanes | Standish, MI | $80 |
| Monday, July 7, 2025 | Continental Lanes | Kalamazoo, MI | $50 |
| Tuesday, July 8, 2025 | JAX 60 | Jackson, MI | $50 |
| Thursday, July 10, 2025 | Universal Lanes | Warren, MI | $50 |
| Sunday, July 13, 2025 | Woodland Lanes | Livonia, MI | $50 |
| Monday, July 14, 2025 | Sparta Lanes | Sparta, MI | $50 |
| Tuesday, July 15, 2025 | Eastern Lanes | Northwood, OH | $50 |
| Thursday, July 17, 2025 | Summit Entertainment | Washington, MI | $50 |
| Monday, July 21, 2025 | Peat's Cider Social | Stevensville, MI | $50 |
| Tuesday, July 22, 2025 | Royal Scot Lanes | Lansing, MI | $50 |
| Thursday, July 24, 2025 | 300 Bowl | Waterford, MI | $50 |
| Monday, July 28, 2025 | Hudsonville Lanes | Hudsonville, MI | $50 |
| Tuesday, July 29, 2025 | Bowlero Lanes | Toledo, OH | $50 |
| Thursday, July 31, 2025 | Imperial Lanes | Clinton Township, MI | $50 |
| Saturday, August 2, 2025 | Char Lanes | Charlotte, MI | $60 |
| Monday, August 4, 2025 | Airway Lanes | Portage, MI | $50 |
| Thursday, August 7, 2025 | Bonanza Lanes (combined) | Warren, MI | $50 |
| Sunday, August 10, 2025 | Stardust Lanes | Saginaw, MI | $50 |
| Monday, August 11, 2025 | Westgate Bowl | Comstock Park, MI | $50 |
| Tuesday, August 12, 2025 | Monroe Sport Center | Monroe, MI | $50 |
| Sunday, August 17, 2025 | Thunderbowl Metro Detroit Rhombus Rolloff |
Allen Park, MI | $60 |
| Sunday, August 24, 2025 | Richfield Bowl Flint/Tri-Cities Sprummer Rolloff |
Flint, MI | $60 |
| Tuesday, August 26, 2025 | Interstate Lanes Greater Toledo Sprummer Rolloff |
Rossford, OH | $60 |
| Saturday, September 13, 2025 | Midwest Sprummer Championship Royal Scot Lanes |
Lansing, MI | $80 |
| Wednesday, November 26, 2025 | Oak Lanes House Shot Sweeper | Westland, MI | $60 |
| Monday, April 27, 2026 | Shelby Lanes Combined Kickoff | Utica, MI | $70 |
2024-2025 Scratch Sprummer Series
Flint/Tri-Cities -- Mostly Sunday evenings
Greater Toledo -- All Tuesdays
Lower Mid-MI -- Mostly Tuesdays
Metro Detroit East Semicircle -- Mostly Thursdays
Metro Detroit East Trapezoid -- Mostly Thursdays
Metro Detroit SW Rhombus -- Mostly Fridays
SW MI -- Mostly Mondays
Western MI -- Mostly Mondays
Northern MI -- Saturdays or Sundays