This document summarizes the work of Hacking Health, an organization that holds healthcare-focused hackathons where designers, developers, and medical professionals collaborate over 48 hours to develop digital health solutions. It lists numerous past and upcoming hackathon events across North America, Europe, and other parts of the world. The hackathons have attracted large numbers of participants from various backgrounds and have generated over 250 projects. Media coverage of Hacking Health has been positive. The organization aims to continue expanding its events, with a goal of hosting the largest European health hackathon in France in 2015.