In principle, the events will use games venues, with overseas athletes invited for artistic swimming, diving, volleyball, gymnastics and athletics when border and accommodation controls will be tested amid the pandemic. "We'd like to make these meaningful events where we can gain comprehensive knowledge by, among other things, testing new coronavirus countermeasures," said Hidemasa Nakamura, the games delivery officer. A test event for the marathon was held in Tokyo in September 2019 but another is scheduled between April and May after the course was moved to the northern city of Sapporo over summer heat concerns in the capital.