The youngest player to record a score equal to their age in years is Tsugio Uemoto (Japan) (b. 3 Jul 1928) who scored 68 at the Higashi Hiroshima Country Club, Hiroshima, Japan on 22 October 1996.

The youngest golfer to win a professional tournament is Ryo Ishikawa (Japan, b. 17 September 1991), aged 15 years 245 days old when he won the Munsingwear Open KSB Cup at Tojigaoka Marine Hills Golf Club, Okayama, Japan on 20 May 2007. Source comes from marketing (Japan).

The most ping pong balls caught with chopsticks in one minute is 21 and was achieved by Ryuta Joraku (Japan), during the Park Challenge / GWR Live! in Tokyo Midtown, in Minato, Tokyo, Japan on 1 May 2012. The partner who threw the ping pong balls was Yuki Tominaga (Japan).

The most contributors to a comic book (unpublished) is 1,087, achieved by Shueisha Inc. in Japan on 12 December 2012. The attempt was carried out in an online event called “Social Kingdom,” and each participant contributed fully to each panel of the comic book. The comic is based on a popular Japanese manga called “Kingdom”, whose author Yasuhisa Hara also participated in the attempt.

The fastest time to wrap three lunch boxes with wrapping cloth is 22.88 seconds and was achieved by Miyuki Shinohara (Japan) in Tokyo Midtown, in Minato, Tokyo, Japan on 3 May 2013. The record was achieved on the second day of Guinness World Records live event in Tokyo Midtown.

The fastest time to build a wanko pyramid is 13.40 seconds and was achieved by Kamyu Mori (Japan) during the Park Challenge / GWR Live! at Tokyo Midtown, in Minato, Tokyo, Japan, on 6 May 2012. This was the last attempt of Park Challenge / GWR Live! at Tokyo Midtown 2012.

The most bouncy balls scooped in 30 seconds was 29 and was achieved by Emiko Hanada (Japan) during the Park Challenge / GWR Live! at Tokyo Midtown, in Minato, Tokyo, Japan on 1 May 2012. This was part of the 2012 Park Challenge event in Tokyo Midtown.

6.25 Mark McKoy (Canada) Kobe, Japan 5 March 1986

326 kg Zhang Jie (China) Kanazawa, Japan 28 April 2008 This was achieved at the 2008 Asian Weightlifting Championships

The fastest marathon carrying a 60 lb pack is 4 hr 39 min 9 sec and was run by Toru Sakurai (Japan) at the Tokyo Marathon 2013 in Tokyo, Japan, on 24 February 2013. 60 lb is 27.22 Kg. Toru Sakurai is a Japanese army instructor.