Try to refresh your page. I updated to v.0.6.3 with hopefully fixing this.
Let me know if it works now.
it does work, although having timed it its been more than 75 seconds, first two were seperated by 90 s , 2 and 3 by 118
when going from age 3 to age 4, it only shows the path i walked during age 2, I could still select the one I was just in during age 3
