BOSTON (USA): Top middle and long distance running will highlight the first day of the Adidas Boston Boost Games. Meseret Defar competes in the 5000m while her team-mates Dejen Gebremeskel and Hagos Gebrhiwet go head-to-head in the men’s equivalent. Nick Willis highlights the men’s 1500m while Ajee’ Wilson goes head-to-head with in-form Morgan Uceny in the 800m. World champion Wayde Van Niekerk faces world junior champion Machel Cedenio in the 400m while Francena McCorory is the top name in the women’s event. Day two highlights: Jeff Henderson vs. Will Claye in the long jump, Jenn Suhr in the pole vault, Tori Bowie vs. Kelly-Ann Baptiste in the 100m while Jamaicans Yohan Blake and Warren Weir headline the men’s 100m. World champion Danielle Williams competes in the 100m hurdles while the 110m hurdles field includes Orlando Ortega and former world champions Jason Richardson and Ryan Brathwaite.