I'm glad to have seen these posts: endurance exercise while low-carbing was going to me my next question!

I too am a cyclist and enjoy doing long rides (century+) especially during the summer and fall (but I do them in the winter too!), but have never attempted such without eating lots of carbs during the ride.

But I am interested in resuming some distance running, too like I used to do. So I'm interested in resources and information on that topic. I'm thinking that just following a slow, moderate marathon training program with very gradual distance increases, without using supplements (like powerbars, etc) is the way to go, and to perhaps do my mid-week runs a little more aggressively.

Anyone manage to do a marathon with NO food intake during the run? Or do you consume low-carb foods?