Inside Endurance

Ryan Sutter reflects on his Inside Endurance journey and key takeaways for next season.

Ryan Sutter's preparation is tested as he pushes for a PR at the New York City Marathon.

Follow Ryan Sutter as he seeks to reach his potential as an endurance athlete by paying closer attention to nutrition and science in his training.

Pro distance runner Shalane Flanagan helps Ryan Sutter fine-tune his marathon training prior to the New York City Marathon.

In this video Ryan Sutter gets pre-race warmup tips from professional distance runner Dathan Ritzenhein.

Ryan faces an uphill battle at the XTERRA U.S. Championships.

The Chicago Triathlon puts Ryan Sutter’s fueling plan to the test.

One race stands between Ryan and the XTERRA USA Championship.

Michellie Jones shows Ryan Sutter how small changes to form and technique can help improve race-day performance.

Ryan visits GSSI for a series of tests that will show him how his sports nutrition can play a role in his overall performance.

Ryan Sutter begins his journey with Gatorade and prepares to take on the first race of the series, XTERRA Indian Peaks.