Renowned Polish athletes were invited and Artur Kohutek and Marika Popowicz were among those who took to the course to compete alongside professional and amateur runners alike. The Polish Cross Country Championships were held at the venue, acting as a pre-championship tester for the Myślęcinek Park course two weeks prior to the main event. Katarzyna Kowalska won the women's 8 km race while Marcin Chabowski won the men's 12 km event. The organising committee introduced an event mascot – a large grey squirrel called "Crossby". Before the event, the possible medallists of men's race were less predictable than in previous years – Kenenisa Bekele, who had won six long and five short course gold medals in the previous decade, was ruled out due to an injury and his nearest competitor, 2007 winner Zersenay Tadese, missed the championships to focus on road running instead. Their absence suggested that a Kenyan runner might top the men's podium for the first time in over ten years. The largely untested Paul Tanui had established himself by summarily beating his more experienced counterparts by over half a minute at the Kenyan championships. Leonard Komon and Joseph Ebuya were other Kenyan men in strong form. Many of Ethiopia's top athletes were absent, although the defending champion Gebregziabher Gebremariam was a key medal contender and former junior champion Ayele Abshero was making his first try at the senior ranks. Outside the traditionally successful Ethiopian and Kenya teams, Samuel Tsegay of Eritrea and 2009 silver medallist Moses Ndiema Kipsiro of Uganda were medal possibilities, while the 2009 European Champion Alemayehu Bezabeh headed an improved Spanish team. In the women's race, Linet Masai (2009 silver medallist) and Tirunesh Dibaba (the 2008 champion) were strong favourites for the women's medals. The defending champion, Florence Kiplagat, was not in attendance but 2009 fourth placer Lineth Chepkurui was another Kenyan contender for the medals. Ethiopia entered a strong team, including Dibaba, 2003 champion Werknesh Kidane and multiple past medallist Meselech Melkamu. Non-African runners in good form were 2004 champion Benita Willis of Australia and 2009 European champion Hayley Yelling. The United States and Portugal had entered strong women's teams, led by national champions Shalane Flanagan and Ana Dulce Félix respectively, which were given good medalling possibilities.