Boost 2010 is a continuation of the successful small-scale workshop Boost 2009 held at SLAC in July 2009. The workshop addresses new physics signatures involving highly boosted objects which can evade standard event reconstruction techniques due to their decay products being observed as single objects within the detector. The purpose of the workshop is to bring together leading theorists and experimentalists with the aim of better understanding the physics behind these signatures and how to detect them. The topics covered include, but are not limited to, boosted tops ("t-tagging"), "lepton jets" and boosted Higgs, W and Z bosons. This workshop will particularly explore what can be learnt about the tools and theory, and what measurements need to made in the coming year before Boost 2011, as the LHC era begins. In addition to talks, there will be discussion sessions. This discussion will be broadly divided into two working groups: one dedicated to boosted states decaying to leptons and one dedicated to boosted states decaying to hadrons. The meeting will take place at the University of Oxford between the 22 and the 25 June 2010. The number of participants will be limited. Registration is now open until 24th May 2010 or until all available places are filled.