Ahmedabad, Jan 5 (ANI): Gujarat chief and BJP's prime ministerial candidate Narendra Modi boosted confidence of the participants, as he flagged off Sabarmati Marathon 2014 on his home turf. This is the fourth edition of Sabarmati Marathon in Ahmedabad. The run was organized by the civic body, Ahmedabad Municipal Corporation (AMC) that chose a route passing through high-class residential localities.