Took the first run in my new shoes. 2+ miles round the neighborhood, used the Surge and the MapMyRun app simultaneously. Interesting seeing the differences between the watch and the app on my Note 3.
Surge says: 2.17mi; 4800 steps; 33:22; 677 cals; 15:21 avg pace; 161 avg bpm
MapMyRun says: 2.20mi; 4931 steps; 32:52; 433 cals (approx.); 14:58 avg pace; n/a bpm