How Accurately Do Running Apps Track Your Distance?

I trust my running app, most of the time. If I set out for a three-miler, and come home with only 2.8 on the screen, I’ll jog around the block to finish the job. But even a smartphone can be dumb sometimes: like when MapMyRun grabbed a data point on the other side of the river my friend was running along.

Source: How Accurately Do Running Apps Track Your Distance?

Running, cycling, swimming… All the same issue.  Aside from marathon training, most advocate “double the distance”.  Which covers the margin of error…

Don’t forget about running tangents!

How I Changed Up My Workouts to Actually Make Them Fun

Once you finally cross that threshold where exercise becomes a routine, there’s a big “what’s next?” question that pops into your brain. For many of us, simply doing the work just isn’t exciting enough. As a cyclist, I needed to push myself out of my comfort zone to keep things interesting.

Source: How I Changed Up My Workouts to Actually Make Them Fun

It’s a comprehensive read.  Finding a group or club for your hobby can pay dividends too – meet people, make friends/training partners, and you’ll find out about events.