Prestressed Carbon Fiber Reinforced Polymer (CFRP) strips are an efficient retrofitting technique for reinforced concrete structures. An adequate anchorage system is necessary in order to guarantee a satisfactory structural behavior. At Empa, a non-mechanical anchorage method based on a purely epoxy adhesive connection between strip and concrete has been developed. A key factor of the system is the ability of the epoxy to cure faster under high temperature. Repetitive local curing followed by a continuous prestress force release at the strip end will eventually lead to zero prestress force and thus prevent debonding failure. This paper presents an experimental investigation on several pull-off and prestress force releasing tests under different heating configurations. These tests describe the short-term anchorage resistances available for the prestress force release in the gradient anchorage after accelerated curing at high temperature. Comparisons with test specimens cured under room temperature for several days will be shown. It is demonstrated that under certain conditions partially cured epoxy can involve higher bearing capacity than fully cured epoxy, as the softer material behavior induces a better shear stress distribution over the bond length.