10.25401/cardiffmet.8323307.v2 Izzy Moore Izzy Moore Kelly Ashford Kelly Ashford Data used to determine optimal metabolic cost when manipulating ground contact time and keeping stride frequency and running velocity constant Cardiff Metropolitan University 2019 Running Gait Economy Oxygen consumption Biomechanics Biomechanics Human Movement and Sports Science not elsewhere classified Exercise Physiology 2019-06-27 12:15:19 Dataset https://figshare.cardiffmet.ac.uk/articles/dataset/MooreAshfordCrossHopeJonesMcCarthyRyan_Data/8323307 Data used to determine optimal metabolic cost when manipulating ground contact time and keeping stride frequency and running velocity constant. Ground contact time is in seconds. VO2 (oxygen consumption) is in ml per kg per minute. Self-selected is binary data with one represented the self-selected ground contact time and zero representing the manipulating ground contact times.