Tatsumi Kasahara (born 21 January 1977) is a Japanese biathlete. He competed in the men's 20 km individual event at the 2006 Winter Olympics. References 1977 births Living people Japanese male biathletes Olympic biathletes of Japan Biathletes at the 2006 Winter Olympics Sportspeople from Niigata Prefecture Asian Games medalists in biathlon Biathletes at the 2003 Asian Winter Games Biathletes at the 2007 Asian Winter Games Asian Games gold medalists for Japan Asian Games silver medalists for Japan Asian Games bronze medalists for Japan Medalists at the 2003 Asian Winter Games Medalists at the 2007 Asian Winter Games 21st-century Japanese people