Navy SEAL training and race-day nutrition

This past week I had a fascinating conversation with John MacLaren, a former Navy SEAL and current fitness guru to several celebrity clients. He's done some amazing work with triathletes and you can learn more about MacLaren in this two-part interview:

• Q&A with John MacLaren, fitness guru and former SEAL - Part I
• Q&A with John MacLaren, fitness guru and former SEAL - Part II

And of course, Elizabeth Fedofsky returns with some great race-day nutrition advice.