written by runnergirl training
Ever heard of Yasso 800s? It is a running workout that predicts your marathon finishing time and is named after running legend Bart Yasso.
The premise of the workout is to run 800 meters minutes & seconds in your marathon goal time of hours and minutes. Following this is a recovery slow run of 400 meters. For example, if your desired marathon finishing time is 4 hours and 15 minutes you would run 800 meters in 4 minutes and 15 seconds.
It is a highly effective workout for marathon or racing training. There are a variety of training programs this is one tool of many to fine-tune your race training. Give it a try and see the results for yourself!