Strava is a social fitness network that is primarily used to track cycling and running exercises, using GPS data. The company was founded in 2009 by Mark Gainey and Michael Horvath. Strava's website and mobile apps offer users the ability to track their activities, compare performance with others, and share photos, stories and highlights of their activities. Strava has a freemium model, with some features available only to paid subscribers. The company has raised over $40 million in funding from investors including Sequoia Capital and Madrone Capital Partners.