Statistics

One double or triple bogey can sink an otherwise solid round. Here is what the data says blow-up holes really cost you, and where they come from.

Two golfers can both hit 10 greens in regulation and lose three shots to each other on approach. GIR cannot see that gap. Strokes gained approach can.

Strokes gained off the tee sounds technical, but the meaning is simple: it scores your driver and fairway wood tee shots against what a benchmark golfer would do from the same spot.

Strokes gained approach sounds technical, but the meaning is simple: it grades every shot you hit at a green against what an average player would do from the same spot.

A free golf stats app should give you more than a scorecard with ads. Here is the feature checklist that separates a tool that lowers your scores from one that just stores them.

Sensor systems like Arccos and Shot Scope are useful, but you can build a serious analytics picture with nothing but a scorecard, a phone, and a few seconds per hole.