2016 Erdos Awards
Awards were presented at ICME-13, Hamburg, 30 July 2016.
2018: WFNMC-8 will be held in Alba Iulia, Romania, venue of IMO, immediately after IMO, likely 15 to 19 July.
2020: ICME-14, Shanghai 12 to 19 July.
Latest (June 2016) edition of Mathematics Competitions published
Table of Contents here.
Petar Kenderov's 2009 paper on the history of competitions
ICMI Study 16 on Challenge (2002 to 2008)
Film on Colorado Math Olympiad