Indoor cycling builds fitness fast—but outdoor rides unlock benefits you can't get in a spin class

Experts reveal which workout is actually better for your heart, muscles, and mind.
Bicycling on MSN

Too hot to ride outside? These 11 indoor interval workouts build fitness on the trainer

Target your power, cadence, threshold, and sprint strength indoors.
Runner's World

Bike workouts for runners to boost leg strength and endurance

For years, Allison Chambers, lead cycling instructor at Chelsea Piers Fitness, attempted to achieve a qualifying time for the Boston Marathon – a popular goal for many marathon runners across the ...