All Japan U21 Championships Saitama - Event
Date: 13 Sep 2017 - 14 Sep 2017
Place: Saitama, Japan
Type: National Junior Championships
Comparable competitions:
Average age of the medal winners: 18.6 years (18.5 years at all editions)
Youngest winner
Nina Kuboi 16 y 228 d
Takaya Yamaguchi 18 y 152 d
Toshimichi Moteki 18 y 203 d
Youngest winner at all editions
Nina Kuboi 15 y 229 d
Sarah Asahina 15 y 323 d
Akira Sone 16 y 64 d
Oldest winner
Daigo Kagawa 20 y 212 d
Shiyu Umezu 20 y 138 d
Remi Aoyagi 20 y 92 d
Oldest winner at all editions
Kenya Kohara 30 y 250 d
Robert Van De Walle 20 y 223 d
Daigo Kagawa 20 y 212 d