The 100-foot putt is not something that most golfers look forward to. After all, the key to golf is hitting it tight to begin with so you don't have to waste strokes on the short stuff. But there are times when things don't go as planned, so here are some ideas to get you up and down in one stroke.
Hit the practice green hard. There's nothing that can prepare you for a 100-foot putt like a whole lot of practice. But you can't stand there trying to drop 20-footers and expect it to pay dividends when it comes to the long one. So practice 100-footers, even 120-footers. The more you acclimate, the more confidence you'll have, and the better your chances will be when it really counts.
Read the green. For a long putt like this, you're going to want to make sure that you cover all the slope and undulation that ball may have to cover on the way to the hole. Get behind the line and go down to the hole to get a look at it from the other end.
Be the ball. If you can see the putt in your mind, you can re-create that vision with the actual thing. So, take some time until you're one with the ball, visualize the roll and break of the putt and then knock it down.
Be confident. You'll never have a chance of knocking down a putt from the century mark if you don't believe you can do it. Great putting is as much about your mental state as it is about your stroke, so have confidence and don't be shy.
Control your stroke. A good stroke is the result of a properly positioned body. Make sure that your feet are set, your shoulders squared and you feel comfortable standing over the ball. Then putt through the ball in a smooth and fluid motion.