New for 2026! The Newmarket Baseball Association is proud to introduce the May Long Weekend Diamond Cup, running May 15–17, 2026.
This exciting new tournament will bring together some of Ontario’s top 13U AAA and 13U AA teams for an action-packed weekend of competition, community, and great baseball.
All teams are guaranteed three games, with championship rounds to decide who takes home the inaugural Diamond Cup. Games will begin as early as Friday at 11:00 AM, setting the stage for a weekend full of energy, excitement, and great baseball in Newmarket.
Kick off your summer season surrounded by top-tier talent, excellent facilities, and a welcoming baseball community ready to host one of Ontario’s newest marquee tournaments.
Tournament Details:
● Dates: May 15–17, 2026
● Divisions: 13U AAA and 13U AA
● Format: 3-game minimum with championship rounds
● Start Time: Friday, 11:00 AM
●Entry Fee: $625
2026 Newmarket Baseball Tournaments
Newmarket Baseball will be hosting a number a tournaments for the 2026 season. Click here for more ...information and to register your team.
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