30 Mins @ Easy Pace (RPE: 3)
30 Mins @ Marathon Pace (RPE: 4)
30 Mins @ Easy Pace (RPE: 3)
30 Mins @ Marathon Pace (RPE: 5)
Another good variation to the 2 hour easy run. Marathon pace should feel fairly comfortable but you’ll need to focus on good form to run at this speed with a low RPE.