Leave at home when you?
- Want to chart your progress over the course of a training cycle.
- Are consistently disappointed by the splits you're seeing.
- Are just coming off a goal race and have easy runs scheduled.
Watch
Useful when you?
- Are coming back from an injury and are running for time instead of mileage.
- Can't stomach the idea of a completely digital-free run. (Here are 3 New Advanced GPS Watches to Try.)
- Double-check your running-by-feel pace; run on a route where you know the distance.
More: A Lesson in Running by Feel
Leave at home when you?
- Are just heading out for a run that has no goal except enjoyment.
- Are going on an easy run with friends you know run slower than you usually do.
- Want to run a race for fun rather than performance.
Music
Useful when you?
- Need some motivation to get out the door. (Try adding songs from the Best New Running Music to your playlist.)
- Want to run a negative split (coordinate the music: first half of playlist is slower tunes; second half, more jamming, up-tempo songs).
More: Workout Playlist: Music to Boost Your Exercise Routine
Leave at home when you?
- Are focusing on your cadence or form.
- Are running in a new-to-you area or in the dark.
- Are running in a race that discourages the use of headphones.
More: How Music Can Enhance Your Workout
Sign up for your next race.