*** This app requires Trace to use. Please visit www.activereplay.com for more information ***Trace Surf is the first technology of its kind that measures everything about your Surfing. With Trace Surf you can track your* Number of waves* Speed* Ride Distance* Ride Time* Cutback Angle* And more!Keep track of what your buddies are doing and where they're surfing. You'll be able to check out their stats as well and compare with yourself.