Map Pedometer - How far did you go?

Righto.....there is a thick cluster of palm and pine trees at that point. Thanks for the explanation!

I mapped my first running route of about 3.5 miles in my north Tampa neighborhood. The elevation chart seems accurate except at about the 1.1 mile point, where it shows a sharp 20 foot elevation gain from 40 feet to 60 feet gain and then back down, all within about a 0.1 mile distance. The course is...