#day74 #Tokio2021hereIcome #intervaltraining #4x400m #lacticthreshold #basicanaerobic #advancedanaerobic for the first time, I felt convident enough, I'll make the whole interval distance of 400 meters... so, I did I at a bit faster pace... very satisfied... (at Atletski stadion Ε½AK) https://www.instagram.com/p/CBBzxJAlFV4/?igshid=1hqz97cjs9oov

















