The importance of tapering is to get your body back in shape – rebuild your stores, repair damaged muscles, get stronger, and most importantly, you are less likely to get sick. Check out our weekly video and source link below for more information.
If you are running 70 miles per week, you should be tapering starting 3 weeks before the marathon.
3 weeks: 80% or 56 miles
2 weeks: 60% or 42 miles
1 week: 40% or 28 miles
Source: https://www.runnersgoal.com/how-many-miles-should-i-run-the-week-of-a-marathon/
