The men's hammer throw at the 2010 World Junior Championships in Athletics was held at the Moncton 2010 Stadium on 23 & 25 July. The final was won by American Conor McCullough. A six-kilogram ball was used throughout the competition. Medalists Records Prior to the competition, the existing world junior and championship records were as follows. The following records were established during the competition: Results Final 25 July Key: CR = Championship record, NJR = National junior record, PB = Personal best Qualifications 23 July Group A Group B Participation According to an unofficial count, 34 athletes from 27 countries participated in the event. References External links 2010 World Junior Championships - Men's hammer throw (qualification). IAAF. Retrieved on 2010-07-25. 2010 World Junior Championships - Men's hammer throw (final). IAAF. Retrieved on 2010-07-25. 13th IAAF World Junior Championships Facts & Figures. IAAF. Retrieved on 2010-07-25. Hammer throw Hammer throw at the World Athletics U20 Championships