- We are Running on Ketones. This is not a typical story; we are endurance athletes at different stages of our lives, who are experimenting with a low carb Ketogenic diet. We are not doctors or scientists, just athletes. Anthony is the youngest and the fastest, age 20, and prefers ultra road running. Eric (ZoomZoom), age 27, is ukulele playing mixed distance runner. Dan (SKA Runner), age 42, is new to running, prefers mountains ultras, and a bit of a computer geek. Bob(uglyrnrboy), age 54, prefers mountains ultras and loves to tele ski. This site,, will document our journey as endurance athletes implementing a low carb ketogenic diet in to our lives. Please feel free to contact us with any questions you have about our experiences.

What is a Nutritional Ketosis Diet? []

The ketogenic diet is a high-fat, adequate-protein, low-carbohydrate diet. The diet forces the body to burn fats rather than carbohydrates. Normally, the carbohydrates contained in food are converted into glucose, which is then transported around the body and is particularly important in fuelling brain function. However, if there is very little carbohydrate in the diet, the liver converts fat into fatty acids and ketone bodies. The ketone bodies pass into the brain and replace glucose as an energy source. This elevated level of ketone bodies in the blood is a state known as ketosis.


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Ketogenic Diet: Running & Some Carbs?

Yesterday (day 27 in Ketosis), I ran in a area that I thought was relatively flat, but I was wrong.  I wanted to get in 20 fast-ish miles with only a little bit of gain. I ended of running 21.15 miles and running 3 different parks, Lair 'o the Bear, O' Fallon, and MT Falcon.  My total gain was 3,546’ with an average technical Colorado trails level. 

Okay, I ate a regular Keto diet the previous day, nothing unusual.  When I woke up, I had an espresso with a little diet caramel syrup.  I started off very strong – peer pressure.  Three miles in, on the second hill, I slowed to a powerwalk; it was a steep hill.  About 2 hours in to the run, my buddy was feeling a bit drained so he had a gel.  I wasn’t drained, I was taking the run fairly easy, I did feel hungry though.  I had a Justin’s Almond Butter w/ honey packet; It tasted awesome! 

*Note: I have been beating myself up over the last week and put in over 70 miles with about 14,000 feet of gain from Sunday to Sunday and I was feeling it today.  At this point around mile 9, climbing the hills were tough, I just felt weak or sloggy.  Where my buddy, after eating his gel was rejuvenated, he also ran a lot less than me the previous week, either way very difficult to compare.  In my head, I was thinking that I had just finished my hardest week in a long time and I was just fatigued. 

Around mile 15, My buddy needed another gel, I still felt ‘tired’ -  lack of better word.  I ate a Stinger Waffle, Yummy!  I was told that eating some carbs during a long run will not kick me out of Ketosis and it didn’t. I felt a little rejuvenated myself.  We both picked up the pace a bit and then around mile 20, I felt really good and just took off.  I also knew it was the last mile or so and the end was in sight.  It was a slightly down hill with an overall gain of 120’ and I ran 6:49 for my last mile.    

In previous runs, while in ketosis, I pretty much fasted.  So did it make a difference to eat the waffle?  Hard to say, the course was very hilly and we did a lot of climbing.  Hills have always been my easy for me and I enjoy them.  Since I have been in Ketosis, hills seem harder and my legs feel heavier?  Could I be just out of shape, or is it that hills are better on carbs? I don’t know, still figuring things out. 

I still think Keto is the way to go.

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