I mountain bike (hard interval training) 20 miles each day, or roughly 2 hours. (nowloss.com)
Lover of animals, farmer's markets, country music, next - day soreness post hard intervals, and good laughs. (radiantrachels.com)
If you include days of two long (40 minute) walks (80 minutes) and one other day of maybe just 10 minutes of hard interval time during a 20 minute workout you have 25 total minutes of intervals and 125 minutes of «other» time. (flippingfifty.com)