Home > Fitness > Sport > Running 25 October 2010 Marathon man: how not to hit the wall Marathon runners can train for months to condition for the big race, yet struggle to finish if they exhaust stores of carbohydrates too quickly, called "hitting the wall." 0 take a Flexibility test » Receive Health tips » Ask Fitness Expert » Join Health24 on Facebook » Marathon runners can train for months to condition for the big race, yet struggle to finish if they exhaust stores of carbohydrates too quickly, a phenomenon known as "hitting the wall." Dramatic slow down NEXT ON HEALTH24X The benefits of skipping your way through your exercise routine 2020-09-07 10:51 More: SportRunning advertisement Read Health24’s Comments Policy Comment on this story 0 comments Comments have been closed for this article. Logout Comment 0 characters remaining Share on Facebook Loading comments... Live healthier Lifestyle » E-cigarettes: Here are five things to know E-cigarettes have become hugely popular in the past decade, but a rash of vaping-linked deaths and illnesses in the US is feeding caution about a product that's already banned in some places. Allergy » Ditch the itch: Researchers find new drug to fight hives A new drug works by targeting an immune system antibody called immunoglobulin E, which is responsible for the allergic reaction that causes hives.