Links
Slo-pitch National (SPN)
: Click on the hyperlink icon to the left in order to access the SPN site -
Thornhill Slo-pitch uses slightly modified roster and playing rules (see below).
We strongly recommend that all jewellery be removed when playing.
USSSA (United States Specialty Sports Association)
:
ALL bats used in Thornhill Slopitch must be stamped with at least one of the USSSA 1.20 "Thumbprint" logos.
Documents (.PDF)
2026 Markham Permit
:
Permit for all scheduled games at Bayview Reservoir; Bishop's Cross; Grandview; Huntington.
(Updated 5/1/2026)
2026 Playing Rules
:
Thornhill Slo-Pitch rules modify, clarify or append Slo-Pitch National (SPN) rules. Where there is a conflict between any rules, the Thornhill Slo-Pitch rule will prevail. Please show respect to the game, your team, your sponsor and your opponents by wearing your uncovered team jersey whenever you're on the field (i.e. sweaters or jackets be worn UNDER your jersey). We also strongly recommend the use of batting helmets and all other appropriate protective equipment.
(Updated 3/30/2026)
2026 Vaughan Permit
:
Permit for all scheduled games at York Hill East.
(Updated 5/1/2026)
Constitution
:
Thornhill Slopitch is governed by a Constitution and bylaws approved by the General Membership. Click on the icon to the left in order to obtain a PDF version.
(Updated 11/18/2016)