Let me try this again.  My last guest post that I took down was a bit of a learning experience but as one commenter stated “I’d hate to see you holding back posts because you think they might be ill received by some”.  This is definitely something I’m cognizant of and I don’t want to shy away from a healthy debate by keeping the posts water-tight.

Like I said earlier in the week, world renowned coaches and authors Hunter Allen and Joe Friel have shown keen interest in contributing to Cycling Tips from time to time.  They can offer insights and knowledge from their wealth of experience that I every single one of us will benefit from.   I’m excited to have them aboard.

Below is a Q&A from Hunter Allen.  If you don’t already know, Hunter co-authored the book “Training and Racing with a Power Meter”.  It’s a book that I own and frequently reference.  Coincidentally there’s another blogger I follow that who wrote a good post on what she learned from this book as she’s just getting into it.  If you’re wondering, this isn’t a paid advertisement.  If I like something that’s helped me, I’m gonna tell you about it. No secrets here.

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Question: I keep reading about how zone 2 training is crucial in base building, but after reading Power Training Levels by Andrew Coggan, and seeing how much more beneficial Zone 3 is to Zone 2, I am wondering if I am wasting valuable training time. My goal is to maximize my body’s ability to burn fat as a primary fuel, so my question is: Would it be more beneficial to train primarily in Zone 3 as opposed to my current plan of training primarily (70% of time) in Zone 2?  Thanks!

Answer: If your goal is to maximize your body’s ability to burn fat as a fuel, then I would give you a couple of suggestions. Zone 2 is definitely the fat burning zone in which your body relies most heavily on fat as its primary source of energy. That being said, it doesn’t necessary mean that by spending more time in Zone 2 you will increase that ability. I am not sure exactly why you want to increase your ability to burn more fat, but I can think of two major reasons and for each reason there is a different solution to the problem.

Situation#1: If you are trying to lose weight and burn off excess fat, then you actually need to train more in zone 4 and 5 in order to stimulate your fat burning metabolism.  There is a myth out there that staying in the fat burning zone helps you to lose weight.  Actually, it just makes sure that you don’t burn carbohydrates as fuel and the intensity stays low.  If you want to lose excess body fat, then you have to ’stoke’ the fire so to speak and that means exercising very intensely.  By exercising in Zone 4 and 5, then you burn off all your carbohydrates and then in the 4 hours after your workout, you burn a ton of fat as fuel. That’s the key to really losing some excess weight.

Situation #2: If you want to burn fat in order to extend your endurance range in a racing situation, then I would offer a few different suggestions.  Many pros that I coach always want to improve their ability to burn fat in races and therefore spare essential glycogen reserves for later in the race when they need them most. This means teaching your body to use fat first and foremost in every workout.  One of the ways to do this is to start off every ride early in the morning before breakfast and ride for at least 2 hours before starting to feed.  Ride at Zone 2 and 3 for those 2 hours and then your body is forced to burn fat.  At the end of 2 hours, start eating some carbs and protein and then finish your ride with intensity and intervals. This will help to teach your body to burn fat at a higher level of exercise intensity, thereby sparing your carbohydrate stores for later.

Hope this helps!