Mantas Dilys (born 30 March 1984) is a Lithuanian triple jumper, who also competed as decathlete. His personal record is 16.68 metres, reached at 2009 in Kaunas.

He represented Lithuania in 2009 World Championships in Athletics without reaching the final.

Achievements 2001World Youth Championships Debrecen, Hungary14thOcatathlon5542 pts2003European Junior Championships Tampere, Finland5thTriple Jump15.57 m2005European U23 Championships Erfurt, Germany12thTriple Jump15.42 m (wind: +1.1 m/s)Universiadeİzmir, Turkey11thTriple Jump15.63 m2007European Indoor Championships Birmingham, United Kingdom18th (q)Triple Jump15.65 mUniversiadeBangkok, Thailand8thTriple Jump16.06 m2009UniversiadeBelgrade, Serbia14th (q)Long Jump7.42 m10thTriple Jump16.42 mWorld Championships Berlin, Germany36th (q)Triple Jump16.09 m2010European ChampionshipsBarcelona, Spain21st (q)Triple Jump16.32 m2011UniversiadeShenzhen, China17th (q)Triple Jump15.88 m2012European ChampionshipsHelsinki, Finland –Triple JumpNM In addition, he is a three times National Championships medalist.

References