It was a male only competition and had IAAF Gold Label status.
[1] It was first held in 1946 and, having taken place every year since then, it was Japan's oldest annual marathon race.
[3] The course record for the competition was 2:04:56 hours, set by Kengo Suzuki at the final 2021 edition.
The runners needed to meet both of the following requirements, or have a special recommendation from the JAAF, to enter the competition.
2, The runner should have achieved one of the following time within two years from the date of the competition.