If you're running with a group you could all have a number and take it in turns to choose the pace, distance and recovery of efforts. 2. Hills. Hills can be used to improve speed-endurance and strength-endurance, depending on the length of the hill.
Bing cherries are the most popular sweet cherry variety produced in the United States, according to Oregon State University. The skin of this sweet cherry is a deep burgundy -- almost black -- color. Other black, sweet cherry varieties include Sam, Schmidt, Ulster, Vista, Black Republican and Black Tartarian. The recommended serving size of fresh black cherries is 12, according to Harvard University. Sweet cherries are low in calories and provide fiber, vitamin C, minerals and melatonin to your diet.
So whatâs the magic in cherry juice? Cherries contain melatonin, a natural antioxidant with a well-documented history of helping to regulate the sleep-wake cycle. Produced naturally by the body in small amounts, melatonin plays a role in inducing sleepiness at night and wakefulness during the day.