This is an issue I've had for a while and not sure how to combat it. I have it with longer runs and when i've done sprint triathlons. So i'l have my decent breakfast porridge, banana or whatever enough time before. Do my sprint tri so 1hr 15 or 1hr 30 depending on exact distance then I don't feel hungry afterwards, then later on get horrific stomach cramps.
Today I have run 10 miles had my museli and a banana a decent time before hand. Did my run got home just after 1200 only just started feeling hungry so had some lunch. Now I have a really bad stomach ache. How can I stop this? I don't get it? should I be forcing myself to eat more when I get in? It's worrying me as I'm planning on doing an olypmic distance tri in May and Id on't even know where to start with my nutrition plan as I imagine I'm going to have to consume something mid way?

