Beyond the main track and field events, several other national championship events were contested separately that year. The marathon was staged on 8 March at the Lake Biwa Marathon (men) and Nagoya Marathon (women). Combined track and field events were held on 26–27 September at Nagano Athletic Stadium. The team relay championships were held between 16–18 October at the Nissan Stadium in Yokohama. Further events classed under the 104th edition of the national championships were scheduled for 2021, with indoor events on 6–7 February at the Osaka-jō Hall, 20 km walk on 21 February in Kobe and cross country running on 27 February in Fukuoka[3]