| | Assoc | Age | Class | Type | Date | Host | Event Name | Contact Name |
| Details | MA | 12U | Open | Invitational | Fri Apr 10, 2026 | KP Pride Softball | April Fools Fest | Tom Cecere |
| Details | MA | 12U | B | Invitational | Fri May 1, 2026 | Tewksbury Girls Softball | 5th Annual Redmen Rumble | Bill Surran |
| Details | MA | 12U | B | Invitational | Fri May 1, 2026 | Mass Titans Gold Softball | Clash Of The Titans | Peter Martin |
| Details | MA | 12U | Open | Invitational | Fri May 1, 2026 | Lowell Girls Softball | Mill City Melee | william j surran |
| Details | MA | 12U | Open | Invitational | Fri May 8, 2026 | Chelmsford Girls Softball | CGSL Mother's Day Classic | RJ Ciardi |
| Details | MA | 12U | Open | Invitational | Fri May 8, 2026 | Mass Drifters | HELLO Summer: Carol Savino Memorial Tournament | Kristen Barnes |
| Details | MA | 12U | B | Invitational | Fri May 8, 2026 | Middleboro Youth Softball | Madness Spring Fling | Mass Madness Softball |
| Details | MA | 12U | Open | Championship: State | Fri May 15, 2026 | USA Softball of Massachusetts | USA SOFTBALL OF MA STATE TOURNAMENT | Peter Fernandes |
| Details | MA | 12U | B | Invitational | Fri May 22, 2026 | Taunton Girls Softball League | 11th Annual Home Runs for Heroes Invitational | Todd Marino |
| Details | MA | 12U | Open | Invitational | Fri May 22, 2026 | KP Pride Softball | Ed Keene Memorial Day Tournament | Tom Cecere |
| Details | MA | 12U | C | Invitational | Fri May 22, 2026 | Franklin Girls Softball Association | Franklin Heroes and Hitters | Steven Florest |
| Details | MA | 12U | Open | Invitational | Fri May 22, 2026 | Lowell Girls Softball | Lowell Memorial Day | william j surran |
| Details | MA | 12U | Open | Invitational | Fri May 22, 2026 | North County Spark Softball | May Mayhem | Joshua Koziol |
| Details | MA | 12U | C | Invitational | Fri May 29, 2026 | Woburn Softball | Woburn Stars & Strikes | Bill Surran |
| Details | MA | 12U | Open | Invitational | Fri Jun 5, 2026 | SAGRA | Battle In The Boro | Brian Ronayne |
| Details | MA | 12U | C | Invitational | Fri Jun 5, 2026 | Somerset Berkley Softball League | Somerset Berkley Showdown Invitational | Frank W Murphy |
| Details | MA | 12U | C | Invitational | Fri Jun 5, 2026 | Somerset Berkley Softball League | Somerset Berkley Showdown Invitational | Frank W Murphy |
| Details | MA | 12U | Open | Invitational | Fri Jun 5, 2026 | Methuen Girls Softball | Start of Summer | Joe Dibattista |
| Details | MA | 12U | C | Invitational | Fri Jun 12, 2026 | Hopedale Girls Softball | Hopedale Girls Softball 12C Tourney | Justin Richards |
| Details | MA | 12U | Open | Invitational | Fri Jun 12, 2026 | Lowell Girls Softball | Porky's First Roast | william j surran |
| Details | MA | 12U | Open | Invitational | Fri Jun 12, 2026 | Swansea Girls Softball | XTREME 12u TOURNAMENT | Don DiBiasio |
| Details | MA | 12U | B | Invitational | Fri Jun 19, 2026 | Dighton Youth Baseball Softball League | 16th Annual Eddie Silvia Memorial Softball Tournament | Rob Fredericks |
| Details | MA | 12U | Open | Invitational | Fri Jun 19, 2026 | Tewksbury Girls Softball | 17th Annual Think Pink Invitational | Bill Surran |
| Details | MA | 12U | C | Invitational | Fri Jun 19, 2026 | Pittsfield Girls Softball | Battle Of The Berkshires | Brian MacDonald |
| Details | MA | 12U | C | Invitational | Fri Jun 19, 2026 | Bellingham Girls Softball | Bellingham Bash 12U 2026 | Steve Lakin |
| Details | MA | 12U | B | Invitational | Fri Jun 19, 2026 | Charlton Softball Association | Charlton Wildfire 12U Summer Smash Invitational | John Peculis |
| Details | MA | 12U | Open | Invitational | Fri Jun 19, 2026 | Grafton Girls Softball | Grafton 12U Round Robin-1 spot left-6 game min | Peter Cardoza |
| Details | MA | 12U | C | Invitational | Fri Jun 19, 2026 | Natick Little League/Softball | Power at the Plate 12u | Mike Tatian |
| Details | MA | 12U | B | Invitational | Fri Jun 26, 2026 | Blue Hills Impact | 12u 7th Annual Battle of Boston | Michael Nosky |
| Details | MA | 12U | B | Invitational | Fri Jun 26, 2026 | Rehoboth Youth Baseball Softball Assoc | RYBSA Thunderstorm Invitational 12U 2026 | Andrew Kelley |
| Details | MA | 12U | C | Invitational | Fri Jun 26, 2026 | Milford Girls Softball | Summer Slam | Brian Macchi |
| Details | MA | 12U | B | Invitational | Fri Jul 10, 2026 | Tewksbury Girls Softball | 8th Annual Alzheimer's Invitational | Bill Surran |
| Details | MA | 12U | B | Invitational | Fri Jul 10, 2026 | Dartmouth Girls Athletic League | Dartmouth Summer Blast 12U | Brian Thomas |
| Details | MA | 12U | C | Invitational | Fri Jul 10, 2026 | Marlboro Girls Softball | Marlboro Diamond Cat Classic | Paul Vaccaro |
| Details | MA | 12U | Open | Invitational | Fri Jul 10, 2026 | USA Softball of Massachusetts | Walter Babcock Memorial Tournament | Phil McElroy |
| Details | MA | 12U | C | Invitational | Fri Jul 17, 2026 | Franklin Girls Softball Association | Franklin Killer "B" | Steven Florest |
| Details | MA | 12U | B | Invitational | Fri Jul 17, 2026 | Taunton Girls Softball League | Summer Burn Invitational | Todd Marino |
| Details | MA | 12U | C | Invitational | Fri Jul 17, 2026 | Billerica Fast Pitch Softball | Summer Sizzler | Steve Clery |
| Details | MA | 12U | C | Invitational | Fri Jul 17, 2026 | Tanner Pride | Tanner Pride Rock the Diamond | Michelle Greene |
| Details | MA | 12U | Open | Invitational | Fri Jul 31, 2026 | USA Softball of Massachusetts | 12U All American | Phil McElroy |
| Details | MA | 12U | C | Invitational | Fri Jul 31, 2026 | Dracut Girls Softball | Firecracker Blast | Steve Gomes |
| Details | MA | 12U | C | Invitational | Fri Jul 31, 2026 | Tanner Pride | Tanner Pride Tournament | Michelle Greene |
| Details | MA | 12U | B | Invitational | Fri Aug 7, 2026 | Tewksbury Girls Softball | 37th End of Year Invitational benefiting ALS | Bill Surran |
| Details | MA | 12U | Open | Invitational | Fri Aug 7, 2026 | Lowell Girls Softball | Last Roast | william j surran |