In the Milky Way, about 1 in 5 stars that are like our sun in size, color and age have planets that are roughly Earth's size and are in the habitable zone where life-crucial water can be liquid, according to intricate calculations based on four years of observations from NASA's now-crippled Kepler telescope.
Varying Incline. Varying the incline is another option for interval training using a good treadmill. Exercisers that want to vary the incline for interval training should still start with a warm up period, which should be a walk or slow jog at an incline of 1.0.
You'll be even happier if you make tempo running a part of your weekly training regimen, and get results that make you feel like a Kenyan--if not quite as fast. UP TEMPO. A classic tempo or lactate-threshold run is a sustained, comfortably hard effort for two to four miles.The workouts below are geared toward experience levels and race goals. GOAL: Get Started Coach Gale Bernhardt uses this four-week progression for tempo-newbies. Do a 10- to 15-minute warmup and cooldown.OAL: 5-K to 10-K Run three easy miles, followed by two repeats of two miles at 10-K pace or one mile at 5-K pace. Recover with one mile easy between repeats. Do a two-mile easy cooldown for a total of eight or 10 miles. GOAL: Half to Full Marathon Do this challenging long run once or twice during your training.