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.
Cherries provides a wide variety of nutrients and equally healthy. It is an excellent source of iron, calcium, flavonoids, antioxidants, potassium, Anthocyanin, ellagic acid, Vitamin A, C, E, manganese and many more. Due to its dense nutrient, it provides wide health benefits. Antioxidants protect bodies cell damage from free radicals.