Tetrahedron buoy

From Openwaterpedia
A triangular pyramid buoy or a tetrahedron buoy used in open water swimming

noun - A tetrahedron buoy (or a triangular pyramid buoy is a distinctively marked or colored float in the water, anchored to mark the course for swimmers. Turn buoys are directional in nature and must be passed on a specific side of the body as race instructions dictate. The tetrahedron shape is composed of four triangular faces, three of which meet at each vertex. It has six edges and four vertices.

There are four tetrahedron buoys throughout the race course that the swimmers must go around to finish.


Late Greek tetraedron, from Greek, neuter of tetraedros, four-faced : tetra-, tetra- + hedr, face of a geometric solid; see sed- in Indo-European roots. Plus, 1425–75; late ME boye a float


tetrahedron can, tetrahedron float

Types of Turn Buoys

External links