Mario Fraioli

This short track session of 400-meter repeats will help you get fit fast. Here's a beginner and an advanced version.

A challenging, effort-based hill workout that takes you farther and farther — 'til you finally get to the top.

It's not too late to start training for a fall marathon, as long as you've been doing some running this summer. Here's an 8-week plan to get you race fit in a hurry, without overdoing it.

Speedwork need not be a mystery — here are all the basic types of speed workouts and how to add them to your training to become a faster runner.

Start training now to run your fastest 5K in 10 weeks! Our downloadable plan details every day's workout toward your 5K PR.

This marathon-specific workout will give you a good indication of what you'll be able to hit on race day.

To race the perfect mile, a runner needs to possess an equal balance of strength and speed. Follow this 8-week, race-specific training plan to develop both and run your PR.

Four fun and effective variations on 1,000m repeats to add some zip to your next speed-focused workout.

Insert some incline into your next interval workout.

This challenging track session will teach your body to relax and aerobically recover while maintaining a fast pace.

Get used to pace changes in a race with this infamously arduous interval/tempo combination workout.

This workout mixes two training elements into the same workout—giving you more bang for your buck!