In 2009, journalist Christopher McDougall wrote his book "Born to Run" after hearing about runners from the Mexican Tarahumara — or Rarámuri — tribe competing in an American ultramarathon. McDougall ...
Whether you’re lacing up your shoes for a 5K or gearing up for a longer endurance race, if you want to get faster, you have to do both longer runs and speedwork sessions to train your aerobic and ...