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.
Health & Nutrition. A substantial and growing body of scientific research continuously links Montmorency tart cherries to an array of important health benefits. Montmorency tart cherries are abundant in anthocyanins â a natural compound that contributes to the ruby-red color and distinctive sour-sweet taste. This phytonutrient, a type of flavonoid, is also behind the potential health-promoting properties of Montmorency tart cherries.