Stephen Scullion is an Olympic marathon runner representing Ireland. Beyond his professional running career, he has turned social media into a second profession. Drawing on the wealth of knowledge he has amassed over the years, he began sharing advice with others looking to improve their running. He became an online coach, amassing hundreds of thousands of followers and subscribers. Today, he shares a great deal of wisdom for free on his YouTube and Instagram channels, offering insights into his training and daily learnings.