【50k】UTMBワールドシリーズメジャー参戦！世界トップクラスの米国勢に挑む！【HOKA Canyons Endurance Runs by UTMB🇺🇸 】

I am a Japanese runner! I mainly compete in trail running, marathon and ultra-marathon races. My real name is HIROKI KAI.CRAZY KARO is my nickname.