Martin was unable to compete in the summer of 2013 after suffering a stress-fracture in her foot but returned to competition towards the end of the year. At the 2013 European Cross Country Championships, held in Belgrade, Serbia, she finished 16th in the individual women's under-23's race. She also won a gold medal as part of the British women's under-23's team alongside Charlotte Purdue, Kate Avery, Lily Partridge, Rhona Auckland and Laura Weightman.