Fastest 100 m running on all fours
- Who
- Ryusei Yonee
- What
- 14.55 second(s)
- Where
- Japan (Yonago)
- When
- 24 September 2025
The fastest 100 m running on all fours is 14.55 seconds, and was achieved by Ryusei Yonee (Japan), in Yonago, Tottori, Japan, on 24 September 2025.
This record was first established in Japan in September 2008 with an initial time of 20.28 seconds. Since then, it has been broken a total of seven times. With this successful attempt by Ryusei, the record has now been broken for the eighth time.