If you are planning to travel around Tokyo by car, bicycle on that day, be sure and check the road closures
Tokyo Marathon 東京マラソン
The Tokyo Marathon course symbolizes the past, present, and future of Tokyo. Tokyo Marathon has been recognized since 2010 as a Gold Label marathon by the International Association of Athletic Federations.
March 1st(Sun) 2020
Location: Central Tokyo within 23 wards
Tokyo Marathon Official Website