Whether you’re a repeat marathoner or working up to conquering your first mile, Runner’s World is your go-to source for all things training, nutrition, and gear to ensure you’re running Air at your best. This is a community created by and for runners. We work with the best nutritionists and trainers, test the best shoes and gear, and stay on top of the latest research and developments so you can focus on what matters — your run. Your best miles are ahead, and we’re here to get you there stronger, healthier, better.