Update article

Signed-off-by: Lup Yuen Lee <luppy@appkaki.com>

Author: lupyuen

images/marathon-mileage.jpg

@@ -44,7 +44,11 @@ https://www.strava.com/activities/16548726281/relative-effort
 
 3-week taper
 
-??? weekly mileage
+![TODO](https://lupyuen.github.io/images/marathon-mileage.png)
+
+https://www.strava.com/activities/16548726281/relative-effort
+
+weekly mileage
 
 # TODO