Lot of sport app in my Android phone

My favorite are:
Runtastic pro
https://market.android.com/details?id=com.runtastic.android.pro2&hl=en

Runstar
https://market.android.com/details?id=se.runstar.pro

Runkeeper 
https://market.android.com/details?id=com.fitnesskeeper.runkeeper.pro&hl=en

Skimble
https://market.android.com/details?id=com.skimble.workouts&hl=en