?"It's time to face the cryptic 'cross-training' references on my marathon schedule. What should I do? There's so much choice! Whenever I run more than about 14 miles my upper body gets tired, so I know I need to develop my core strength, but what's the best
after doing the LNM, but the body and mind are starting to miss it. With the dark nights and colder weather, shorter runs are my preferred choice over the winter. Bring on the snow! – Stephen HumphreyTrain a little slower – that'll let you train seven
