Seibu-en Velodrome, completed in 1994, stands as a remarkable example of contemporary sports architecture in Tokorozawa, Saitama Prefecture. Designed by the esteemed Yoshiro Ikehara Architectural Design Office, this indoor facility showcases innovative structural solutions tailored to the demanding requirements of competitive cycling. The building exemplifies the practical and aesthetic considerations necessary for hosting professional velodrome events, featuring efficient spatial planning and modern construction techniques characteristic of 1990s Japanese sports facility design. Its design reflects both functional excellence and architectural sophistication, making it a significant landmark for those interested in contemporary sports architecture and engineering achievement in Japan.