Here are some CAD drawings of a few different types of toe boardshttps://www.sportsedge.com/track-equipment/shot-put-toeboards/
1. The SE364R toeboard is mounted to a flat throwing surface (pad) with a surface mount throw circle or painted
2. Using the toeboard as a template, mark the center of the holes to be drilled for the anchor studs. Be sure the
toeboard is properly positioned with the inside curved edge of the toeboard even with the inner edge of the ring.
The toeboard must also be centered on the sector lines.
3. Drill the holes for the anchor studs using a P3/8" masonry bit. Drive anchor into hole, taking care not to damage
threads, until approximately 3 1/8" inches of stud remain above the concrete. Mount toeboard to anchors using
the included 3/8" nuts and washers.