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.
Tart cherries contain melatonin, a hormone that helps make you feel sleepy. Two tablespoons of tart cherry juice has been shown in studies to be just as effective as a melatonin supplement. So, pour yourself a little cherry juice nightcap for a tasty bedtime sleep aid. Cherries and blood pressure. Cherries are an excellent source of potassium, which helps to lower blood pressure by getting rid of the excess sodium in our body. Eating cherries helps keep potassium and sodium in balance, and can prevent hypertension from occurring.