Stroll Buddy
Simple and Clean Running/Walking app.
No extra features jammed down your throat.
Everything needed, nothing extraneous.
Easy to use interface.
Logs for past runs and routes, with distance, time and pace.
Simple Graph of last 7 days and the Rolling Average.
Used and loved by my Father who walks everyday because of it.
Disclaimer: Continued use of GPS running in the background can dramatically decrease battery life.