Originally Posted by
tgscordv6
1:3 ratio is completely bs. A cyclist that could do 30 miles rides will have an EXTREMELY hard time running 10 miles.
As would a 10-mile runner cycling 30 miles. The 3:1 ratio is only applicable with a third point of reference, be it swimming, roller-blading, or Frisbee. The runner and cyclist, compared using a tertiary reference, would have similar endurance.