2016 Erdos Awards
Stop Press: Professor Shum receives his Award in Hong Kong on 3 March 2017.
Otherwise: Awards were presented at ICME-13, Hamburg, 30 July 2016.
2018: WFNMC-8 will be held in Graz, Austria 18 to 24 July.
Website for location here.
2020: ICME-14, Shanghai 12 to 19 July.
Latest (December 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