Mileage question
You might want to count it in hours and minutes. Biking and running at 80% max heart rate will give you the same cardio but you will go about 3 times as far on a bike.
Scott
Link to my running journal
http://www.disboards.com/showthread.php?t=1303681
4 full's - 14 halves - 2 goofy's and one Mt. Washington!
Link to my running journal
http://www.disboards.com/showthread.php?t=1303681
4 full's - 14 halves - 2 goofy's and one Mt. Washington!