Compete against family and friends regardless of age or gender using this age-grade performance calculator that supports both miles and kilometers (configured in Settings). Determine whose run was really the best effort of the day. Choose from a list of popular road race distances from 5K to 200K, enter your age, gender and finish time, and the app will compute your age-graded performance (percent of world-record effort at the specified distance for your age and gender) and your finish time ad