Toshinari Suwa

Toshinari Suwa (諏訪 利成) is a Japanese marathon runner from Isesaki, Gunma Prefecture, Japan.

Career
He finished sixth at the 2004 Summer Olympics and seventh at the 2007 World Championships.

His personal best time is 2:07:55, achieved in December 2003 at the Fukuoka Marathon. In the half marathon his personal best time is 1:03:00 hours, achieved in July 2003 in Sapporo. He also has 28:15.45 minutes in the 10,000 metres.