Definitely a different and unique approach in triathlon logos. We have represented 3 disciplines with 3 lines, making a triangle. Also included initials for the name of the brand PTT as a hidden meaning.
Triangles are the strongest shape found in nature. When a force is added to a triangle it is spread evenly through all three sides. Trusses are used in many structures. A truss is a beam of triangles which can make a structure that is extremely strong and stable.