The main ingredients of hill sprints are gradient, duration, total number of sprints, and recovery time between sprints. The right combo of these four depends on where you are now, fitness-wise, and where you want to go, says Keats Snideman, a performance coach who works with pro football and basketball players and track athletes.
The Hill Sprint Workout: Getting Started
The path to your next fitness goal – whatever it may be – is uphill.