Exercising In The Heat: 8 Mistakes You Should Avoid In Summer.

6. Strive for new best times

Women working out in the sun Striving for new best times

When it’s hot, your heart is under more stress and beats faster than under normal conditions. Pushing your heart to the limit doesn’t make much sense. 

That’s why it’s recommended to lower your usual training heart rate by five to ten percent at the end of the summer. And, don’t worry, the workout will still be effective.