- 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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Ketosis: Twenty Mile Run, No Carbs, and No Bonks!!!

It was AWESOME!!!  I just ran my first long run, 20 miles, while in ketosis and I didn’t Bonk! or even come close.  OMG – I was laughing about it the whole time.  It still amazes me, only  a few months ago, I would have taken 7-8 gels and would have had some kind of fancy drink in my bottles. It definitely wasn’t my fastest time, but it wasn’t that slow.  I averaged a 10:15 pace with a few hills here and there – 1,474 feet of gain. The trail is fairly groomed, maybe a typical Colorado technical trail. 

On top of that, the day was beautiful and there were tons of other runners.  I crossed paths a number of times with the same runners  One was definitely an ultra runner and the others were just out for a 3+ hour jog; it’s Colorado. 

HILLS: I still feel heavy in the legs on the hills and out of breath compared to pre–ketosis runs.  I am not in the best of shape, but it is not the same feeling – a bit weird.   Hills have always been my thing and now it seems to be my weakness.  I hope after I am fully “ketosis adapted,” I will attack them like I used to. 


My Ketogenic numbersFOOD:  As I recall, I only had a double shot espresso for breakfast prior to the run.    During, I drank lots of water – about 60oz over the 3.5 hours, but ate absolutely nothing.  The day before I stopped eating at 8pm, consuming only 1,680 calories with 31 Net Carbs.  I was very satisfied all day, just a little low on the veggies.  This brings up the fact that I am never hungry anymore and almost have to force myself to eat.  It is like a dieters dream.    

Lately, I have been treating myself to a sundae providing I keep my carbs low all day, Breyers Low Carb Ice Cream, two table spoons of healthy peanut butter, and a serving of Spanish peanuts. It is the bomb!  The ice cream has sugar alcohols and I have heard a lot of bad things about them, but nothing from reliable sources, so I keep eating away.

My-Ketogenic-PercentageI also stayed under my daily calorie goal – 1800.  And kept within my percentages of 70% – 20% – 10%.  I know others have different percentage setups, honestly I just picked a formula that was in the middle and not too extreme.  I need to do more research to make sure I am staying healthy, but I feel great, in fact better than great!

Let’s see how I feel tomorrow . . .

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