The Sub 4 Hour Marathon Guide thanks to NRG’s @coachtommy.nrg This is probably the most popular Marathon benchmark to break. Here’s how I would attack it. Give yourself plenty of time to prepare If you’re starting from scratch you’ll probably need at least 6 months to prepare. If you already have a solid base you’ll be ok with 4-5 months of marathon specific training. BUILD YOUR LONG RUNS I would be looking to build up your long runs until can do a continuous 30-34km run around 3-4 weeks prior t