Diabetics who run Marathons!

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Diabetics who run Marathons!

Diabetics who run Marathons!

Members: 277
Latest Activity: Nov 17

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Comment by Erun on May 3, 2012 at 7:57am

I'm going to try my CGM again but mine stopped communicating during my marathon on 4/22- not sure what the problem was.If honey stingers work for you, that is a good choice. A marathon is different in that your liver will be out of glycogen after about 20 miles of running so you will need additional carbohydrates- maybe more than you are taking for a half marathon. I did not take enough carbs during my marathon and even though I cut my basal rate by 80% during the marathon, my bg was 48 at finish.

Comment by erin2 on May 3, 2012 at 7:46am

So, I am getting ready to run the Flying Pig half marathon this Sunday. I am very excited!!! Also, I am doing the Chicago Marathon. This will be my first marathon. What are thoughts on CGM's. I had one when I was pregnant, and hated it. It was very painful putting it in(I am very small). I was thinking I could just run with my glucometer. oh, I was reading all these comments about nutrition, and I always turn down my basal rate about 40%. I eat Honey Stingers. They are organic energy chews. I eat about 2 or 3 every 3 miles, and I haven't had a low or high during this training.

Comment by Erun on May 3, 2012 at 7:32am

Sheri Colberg,PhD author of The Diabetic Athlete recommends that for marathons insulin pump users should reduce basal rates during the marathon by 25 to 100% to minimize circulating levels of insulin. I see no need to take insulin for the carbs consumed during the marathon unless you are getting high blood glucose readings. Working muscles take sugar out of the blood without insulin. Also I think the best drinks or carb sources are ones with glucose and fructose. I don't see any need for additional nutrition except salt unless you are running an ultramarathon. From Dr. Mikrin---http://www.drmirkin.com/public/ezine042212.html
Part of his article-Drinks that contain both glucose and fructose sugars will help you race faster in competitions lasting more than a couple hours. Drinks that contain only maltodextrin, (made from starches extracted from rice, corn, potato and whole grains) are not as effective for racing because maltodextrin contains just the single sugar called glucose. However, drinks that contain maltodextrin plus fructose improve race times better than those that have maltodextrin plus glucose (Applied Physiology, Nutrition, and Metabolism, April 2012).

Comment by drsoosie on May 2, 2012 at 9:57pm

Thank you Acidrock and Jerry for your input. I will keep you posted as I experiment in the next months!Of course I will have many more questions!!!

Comment by Jerry Nairn on May 2, 2012 at 9:00pm

I try to take in some carbohydrates every 45 minutes to an hour on long runs, and I set my basal rate to anticipate that.

Comment by acidrock23 on May 2, 2012 at 8:10pm

this seems to be a pretty good article about nutrition?

http://journals.lww.com/acsm-msse/Fulltext/2009/03000/Nutrition_and...

Comment by acidrock23 on May 2, 2012 at 5:35pm

I agree the longer training runs are more hair-raising, since you have to lug your stuff with you or set yourself up. At the height of marathon "season", Aug/Sept, in Chicago, I'd go ride my bike around the 6 mile loop by my house and see people with backpacks and stuff stashed alongside the trail. I think the "how much" question is something that you have to find out, if a few G of lifesavers works for you, I'd say extrapolate that out will work but I would want something more "foodlike" at the "turn" or 1/2 way point as you get out longer than 2 hours? Hydration is almost as important as glucose as running out of water can get ugly pretty quickly too?

Comment by drsoosie on May 2, 2012 at 11:42am

Thank you Jerry! That is exactly what I feel would be the right thing for me too. I would rather be elevated and correct later after the race than go low while running.
Okay, indulge me one more time, as far as the fueling goes how often do you fuel yourself during a marathon...I realize a lot of this is individual but just trying to get some ideas for my up coming longer runs?

Comment by Jerry Nairn on May 2, 2012 at 11:22am

The correction bolus is definitely a matter of personal preference. And you would have to know what works for you. For me, I wouldn't start to think about a bolus unless I was over 200, but if I was at 220 and felt fine, I'd leave it alone, just not take in any carbs for a while. If I was at 210 and felt "high" I might take a small correction, especially if I just ate something.

Comment by drsoosie on May 2, 2012 at 10:56am

Yes it seems like having something like Gatorade or a gell with "extra nutrition" would be helpful. I strictly use the lifesavers as glucose management. So far it has worked really well for me but was not sure how it will work for double the distance. I guess I will experiment as I increase my run distances. Also how high would you go before you added a correction...let's say in the middle of the run or so?

 

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