Open/Challenge Events
Youth Only Events = teal background
| Date | Host Center | City | Entry |
|---|---|---|---|
| Saturday, January 11, 2025 | Over 50 Under 50 House Shot Doubles Royal Scot Lanes |
Lansing, MI | $240 |
| Sunday, January 12, 2025 | Monitor Lanes | Bay City, MI | $90 |
| Saturday, January 18, 2025 | Non-Champs Event Washington Lanes |
Bay City, MI | $90 |
| Saturday, January 25, 2025 | Holly Lanes | Fenton, MI | $80 |
| Saturday, February 1, 2025 | House Shot Baker Doubles Station 300 |
Akron, OH | $140 |
| Sunday, February 2, 2025 | Hi Skore Lanes | West Branch, MI | $90 |
| Saturday, February 8, 2025 | Bowlero Lanes 9-game Marathon | Battle Creek, MI | $120 |
| Saturday, February 15, 2025 | Greenville Hotspot | Greenville, MI | $80 |
| February 23, 2025 | Kiser Tournaments and MSBS House Shot Baker Doubles MVP Lanes |
Fort Wayne, IN | $140/team |
| Saturday, Mar. 1, 2025 | Country Lanes | Farmington Hills, MI | $80 |
| Sunday, Mar. 2, 2025 | Thunder Bowl, Inc. | Alpena, MI | $90 |
| March 8-9, 2025 | 7th Annual Kalamazoo Open Continental Lanes |
Kalamazoo, MI | $100 |
| Saturday, March 15, 2025 | Toledo War Toledo Sport Center |
Toledo, OH | $90 |
| Sunday, March 16, 2025 | Hudsonville String Pin Challenge Hudsonville Lanes |
Hudsonville, MI | $80 |
| Saturday, March 22, 2025 | Ten Pins of Trenton | Trenton, MI | $120 |
| Sunday, March 23, 2025 | House Shot Baker Doubles Century Bowl |
Waterford, MI | $140/team |
| Saturday, March 29, 2025 | Big Rapids Bowling Center | Big Rapids, MI | $80 |
| Saturday, March 29, 2025 | Holiday Lanes | Columbus, OH | $90 |
| Sunday, April 13, 2025 | I.C. Strikes Baker Doubles | Imlay City, MI | $140/team |
| Saturday, April 19, 2025 | Royal Scot Lanes House Shot Baker Doubles |
Lansing, MI | $140 |
| Sunday, April 27, 2025 | Castle Lanes Baker Doubles | Racine, WI | $160/team |
| Saturday, June 7, 2025 | B.C. Lanes | Boyne City, MI | $80 |
| Saturday, July 12, 2025 | Brass Knuckles Baker Doubles IV (House Shot) Northway Lanes |
Mustkegon, MI | $120/team |
| 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, December 14, 2025 | 6th Annual Anderson Open Championship Lanes |
Anderson, IN | $90 |
| Sunday, December 21, 2025 | Continental Lanes Baker Doubles (House Shot) | Kalamazoo, MI | $140/team |
| Wednesday, December 31, 2025 | Bluefusion Fun Center | Marion, OH | $90 |
| Sunday, January 11, 2026 | Bay City Challenge Monitor Lanes |
Bay City, MI | $90 |
Sweeper Events
| Date | Host Center | City | Entry |
|---|---|---|---|
| Tuesday, January 14, 2025 | Bowlero Lanes | Battle Creek, MI | $50 |
| Monday, January 27, 2025 | Port Huron Lanes | Port Huron, MI | $50 |
| Tuesday, February 11, 2025 | Bowlero Lanes | Battle Creek, MI | $50 |
| Tuesday, March 11, 2025 | Bowlero Lanes | Battle Creek, MI | $50 |
| Saturday, April 5, 2025 | Mancelona Lanes | Mancelona, MI | $80 |
| Saturday, April 12, 2025 | Northfield Lanes | Grand Rapids, MI | $50 |
| Tuesday, April 15, 2025 | Bowlero Lanes | Battle Creek, MI | $50 |
| Tuesday, April 22, 2025 | Youth Sweeper South Lanes |
Three Rivers, MI | $50 |
| Saturday, April 26, 2025 | Coloma Lanes | Coloma, MI | $50 |
| Tuesday, April 29, 2025 | Riverbend Bowl | Corunna, MI | $50 |
| Tuesday, May 13, 2025 | Pins & Pints | East Lansing, MI | $50 |
| Tuesday, May 20, 2025 | Timbers | Maumee, OH | $50 |
| Tuesday, May 27, 2025 | Suburban Lanes | Jackson, MI | $50 |
| Thursday, June 12, 2025 | Century Bowl | Waterford, MI | $50 |
| Monday, June 23, 2025 | South Lanes | Three Rivers, MI | $50 |
| Tuesday, August 26, 2025 | Interstate Lanes Greater Toledo Sprummer Rolloff |
Rossford, OH | $60 |
| Wednesday, November 26, 2025 | Oak Lanes House Shot Sweeper | Westland, MI | $60 |
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