Marathon Tower

Design scheme that won honorable prize in Central Glass Competition "Millennium Tower."
A tower for marathon, built next to the National Stadium in Tokyo, which turns the 42.195 km vertical. It is a heart-pounding tower for runners who start from the National Stadium to climb up and down this 1,000 m high double-spiral tower to finish the 42.195 km.

Usage: Sport Facility
Design: 1997.12
Colaboration: Masaomi Yonezu, Yoshio Kanbara, Tamaki Onoda