I don ' t think this is played at a constant speed , but still it ' s an amazing feat . I already knew these guys . Check out their first viral videoMejbOFk 7 H 6 c . <| sep |> I ' ve asked this question for the past 2 weeks and it ' s killed me each time . Each time i ' ve gone with Ben and this week makes me lean to him again but something in my mind tells me to use Dak . Big Ben IndyDak vs . Washington <| sep |> 1 You are running way way too fast . You should do your easy runs at about 600 minkm , not 430 . Lose some weight . 3 What is your max HR and what HR monitor are you using , a strap or optical ? I am pretty sure this is a faulty reading , otherwise you have a serious health issue . The second spike looks very unlikely , straight from 185 to 210 . First spike is questionable too .