Strive: exploring assistive haptic feedback on the run.

Mobile technologies have become an important part of run training, however, existing technologies focus on performance metrics (e.g., distance and pace), which makes it difficult for runners to improve their running technique. In this paper, we present Strive, a wearable running technology that aims to assist runners in achieving rhythmic breathing ; a running technique that potentially leads to improved results and lower injury risk. Strive continuously collects physiological data and uses haptic feedback to provide real-time assistance during runs. As communicating technique-related information in the dynamic and complex context of a run is challenging, we present two studies. The first study investigates how runners adapt to two different vibration patterns; and the second study explores the temporality of the assistance through three different approaches: Continuous, periodical, and self-serviced. Based on these studies, we discuss and provide insights on interacting with technologies during runs.