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Why AimPoint Will Save Your Putting: A Basic Introduction



Over the last 10 years, golf has changed dramatically and there is a constant push for technology. For years, club companies have made a push for more distance to create the “longest club ever.” What many golfers forget to realize is that about 30 percent of all strokes will occur on the putting green, so why isn’t there technology for sinking more putts? Well, there is and it’s changing the way players of all skill levels learn to read greens.

About six years ago, Mark Sweeney developed a system “which can accurately predict optimum putting parameters and putt trajectories from any point on a green to any other point.” In layman’s terms: He developed a way to give you the correct read of any putt from anywhere on a putting green. I was skeptical at first but having a background as a civil engineer piqued my interest.

AimPoint is similar to a science experiment. The more variables you have in an experiment, the more your results tend to vary; the fewer the variables, the more precise the results. AimPoint strives to isolate each variable that occurs on a putting green and the golfer basically plugs them into an AimPoint chart.

Let me elaborate, for this example a golfer hits an approach shot to 15 feet and is getting ready to read the break of his simple one plane putt. Most of the time, golfers are playing a guessing game based off of past experiences and there is no methodology to how much the putt will break. With AimPoint, the same golfer will now answer a few quick questions to systematically determine the break of the putt and it’s surprisingly easy.


1.)    What is the length of the putt?

  • This is generally simple and can be your best estimation of how long your putt is.

2.)    What is the slope of the putt?

  • This one is a bit tricky and will take a little practice. The severity of slope on any putt is generally between 1 and 4 percent. In my time using AimPoint, I’ve observed most of my putts are about 2 percent and rarely get to 4 percent. Getting yourself a digital level can help you hone this skill further.

3.)    What angle is the putt to the slope?

  • You don’t need to be an engineer to solve this equation but this does take a bit of practice. Essentially if you were to draw a line from your ball to the hole, and then lay your club down in the same direction of the break, the two lines intersect. What is the angle between the two.

4.)    What is the stimp (speed) of the green?

  • Some courses post their current green speed for the day but it’s always best to estimate your own stimp.

That’s it. Once you have all the information the only variable left is referred to as capture speed. All AimPoint calculations assume your putt will lay to rest about six to nine inches past the hole on every putt. You take this information, plug it into your “AimChart” and you have your read.

At first it might seem daunting to roll through all these variables but with practice you or your regular caddie will become very proficient in gathering all the information in less than 30 seconds.

So why waste another $400 on a driver that is the “longest ever” and spend a few dollars on learning a new skill that will revolutionize the way you read the putting green. If you don’t believe me, feel free to ask PGA Tour Pro Justin Rose (whose putting performance at the Ryder Cup sparked a historic comeback) or LPGA Tour Pro Stacey Lewis (who has won four tournaments in 2012 and LPGA Player of the Year), or any of the over 60 Tour pros who are currently “Aimpoint-ing.”

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Scott is a Certified Personal Coach at GolfTEC Main Line in Villanova, PA and also the Head Men's Golf Coach @ Division III Rosemont College. Each day he utilizes 3-D Motion Measurements, Foresight Launch Monitors, and high speed video to help each of his students achieve their specific goals. Past experience include owning and and operating the Yur Golf Swing Teaching Academy in Philadelphia. He started my golfing career at Radnor Valley Country Club in Villanova, Penn., and spent time at the Ocean Reef Club in Key Largo, Fla. In his short 7 year instruction career he as taught over 5,000 golf lessons. He currently works with many of the top local Amateur golfers in the Philadelphia area, and many of the best Junior golfers. Teaching golf has always been my passion and with my civil engineering and philosophy background from Villanova University, I am able bring interesting perspective and effective techniques to my instruction.



  1. ???????????

    Jun 16, 2014 at 12:38 am

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  2. Tom Gillis

    Jun 10, 2014 at 7:54 pm

    It works..

  3. dave b.

    Apr 17, 2014 at 1:26 pm

    There might be one or two other items in the running, but the basic AimPoint class I took last year is solidly top-3 in the best-money-I-ever-spent-on-golf-instruction category.

    After a 3-year layoff from golf (newborn) my putting skill and touch was gone. I got a long-overdue putter fitting (which helped some) then I took the AimPoint single-break class and it changed my putting nearly overnight. Skills I have now that I didn’t before: I *always* know which way it will break — don’t laugh, I used to just read the break wrong (visually) A LOT!. I also know the distance of my putts down to the foot, know whether the putt is breaking a little vs. a lot, and a good idea of the stimps without a stimp meter or anything weird, just using the chart. I now make everything up to 5-feet pretty easily and if I leave 20-30 footers they are tap-ins.

    One fo the more intangible things is that by following the charts, and seeing putts drop, it helped me get back a bit more of that intrinsic “feel” for the right capture speed. It’s hard to describe the feeling but I’m not trying to “die” the ball into the cup anymore, and I don’t often run it 6-feet (or more!) past the hole.

    Don’t get me wrong, I still miss putts and make bad reads, but at least I’m in the ballpark much more with my misses than I used to. I make a high percentage of 10-15 footers now, where in the past those were almost automatic misses.

    About the speed of play stuff: It has been a full season since I started with AimPoint and I often forget to even get out the chart book especially if I’m playing my home course — I would be even more accurate if I did use it, probably. When I do use the chart I glance at it once or twice per round (usually for putts in 15-20 foot territory). I would definitely bring the charts along on a new course where the stimp is way different from my home course. My playing partners have no idea what I’m doing — I stroll around on the green and look at lines, I plumb-bob a little, then drain it (usually). The other guys take longer than me, and then they usually miss.

    I didn’t intend to write a book here, but I wanted to give real-world feedback. I am super happy with the results. It was a bit to choke down the price of the class, but honestly I have to admit it was well worth the expense. I would however not really recommend any of their other courses that talk about double-breakers or 50-foot lag putts. The statistical averages on those putts are so low, that I don’t think any kind of systematic practice will make a measurable difference, and surely not worth an additional $200 or whatever. Up to 20-feet, definitely. This isn’t my opinion, Dave Pelz’s research and Every Shot Counts both detail the statistics that beyond 20 or 30 feet, you will miss, Pro or not.

  4. r

    Dec 20, 2013 at 3:58 pm

    you still have to read the break.

    • John

      Feb 11, 2014 at 2:54 pm

      The AimPoint charts give you the amount of break for a distance, slope and Stimp.

  5. Dan

    Aug 31, 2013 at 7:46 pm

    Unfortunately instructors are limited in florida of all places. Most if not all are in Orlando. Disappointed

  6. Pingback: Why AimPoint Will Save Your Putting: A Basic Introduction | JR's site

  7. Scott Yurgalevicz

    Mar 1, 2013 at 11:20 pm


    check out the aimpoint website. They have instructors world wide.

    • Golfzalo

      Mar 2, 2013 at 7:11 am

      Not in Chile, not even in South America 😛

  8. Golfzalo

    Mar 1, 2013 at 9:52 pm

    What happen if I don’t live in the States, so I can’t get formal instruction. I can’t use the method? Is there an online tutorial?

  9. Jack

    Mar 1, 2013 at 11:34 am

    Is an Aimpoint lesson with an instructor basically the same as going to one of the clinics?

    • Scott Yurgalevicz

      Mar 1, 2013 at 12:53 pm


      I would say yes. I would recommend attending a clinic though mostly due to other golfers having questions that you may not think of. You’ll end up with a well rounded grasp of AimPoint.

  10. Scott Yurgalevicz

    Feb 28, 2013 at 9:07 am

    The one thing I love about AimPoint is that it got me it had me “feeling” the break using my feet and not my eyes. Sometimes our eyes deceive us and thus plumb-bobbing isn’t always the most accurate option. My experience with AimPoint also showed me that this method is actually easier to use for older golfers whose vision is waning because it puts an importance on feel not sight.

  11. Steve

    Feb 28, 2013 at 8:12 am

    I cannot figure out how this ‘system’ (don’t you guys just love that word?) can do anything that plumb- bobbing and some practice won’t do.

    • RoyD

      Apr 21, 2014 at 12:05 pm

      That’s because plumb-bobbing doesn’t do ANYTHING. It’s a total waste of time and effort. Why do you think NO tour guys do it? Geeze…

  12. spuddy09

    Feb 28, 2013 at 12:35 am

    I won my first Club competition last weekend shooting a 73. My handicap was 7. I’m now a 6. I spent 2 hrs with Mark Sweeney last December and learned the Aimpoint method. I went out and mapped all the greens on my home course, using a Breakmaster. The results have been good. No 3 putts in the last 10 rounds.

  13. Dave

    Feb 27, 2013 at 6:50 pm

    Sadly, AimPoint is a major contributor to the mind numbingly slow pace of play which has become the norm in the professional game. I think Scott McCarron was one of the first to use it.
    Slow play is killing the game, allow AimPoint for practice but it should not be allowed for tournament play.

    • Scott Yurgalevicz

      Feb 27, 2013 at 7:36 pm

      Hi Dave thanks for the input. I couldn’t agree more that professional golfers are painfully slow. I feel like a lot of that stems from not playing ready golf. Like I said before, I’m reading my putt even before I get to the green. I have about half of my aimpoint info by the time I get to my ball. If you practice finding the other variables it should take no more than 15-20 secs to determine your read. So yes pro golfers are slow but aimpoint has nothing to do with it.

    • David

      Sep 1, 2016 at 10:16 pm

      Hmmm, I don’t think creating a “No Aimpoint allowed” rule would go over very well. You might as well create a rule for no stepping on the green, and no thinking.

  14. Jeff

    Feb 27, 2013 at 4:50 pm

    Very interesting read. Two questions. 1). How would this impact pace of play? Some people already play at a paralytic pace. 2). Is this “calculator” legal in USGA sanctioned events?

    • Scott Yurgalevicz

      Feb 27, 2013 at 5:09 pm

      Jeff those were my first thoughts as well but golfs governing bodies have approved the chart as seen above. In terms of pace of play it really doesn’t influence it. Like anything else if you do this repetitively it becomes second nature. In fact before reaching the green I’m already aim pointing to streamline the process.

  15. Jim

    Feb 27, 2013 at 2:02 pm

    This is well wort the investment. I went to the one clinic and once they start putting lines down and those balls start breaking the exact way they predict its nuts. Instant believer. The one they showed us a 50+ footer and asked everyone which way it broke. Answered ranged from 5 feet left to 5 feet right. His answer was right at the hole. Nobody could believe it. So we all got up there, aimed at the hole and that putt moved left and right and left and right and lipped out. It was amazing.

  16. Taylor

    Feb 26, 2013 at 11:13 pm

    Aimpoint totally changed how I now see and read greens. A lot of the time you don’t even have to use the chart, especially if others in your group putt before you do. It is definitely the best money I’ve spent in golf. It does require practice to not only get good, but to get fast at reading greens. But that is like any other skill in that the more you practice the better you get. That being said, it has taken a weakness of my game and now made it a strength.

  17. Nick

    Feb 26, 2013 at 9:45 am

    I was a terrible lag putter before aim point. While Aimpoint focuses on 20 feet and in, and really shines at the 10-15 foot mark, just learning a more objective green reading process has made me a much better putter. It has given me the confidence in my read to make a more confident putting stroke. I would say I hole 2 putts a round that I would not have made before aim point and certainly roll many more to tap in distance as opposed to the knee knocking 3 foot mark which is probably another stroke saved through three put avoidance.

    The only complaint is that the charts are involved and while you get adept at using them quickly, pulling out your chart can feel goofy and you’ll be tempted to either attempt to memorize it (a daunting task) or to go without it and use approximations (which robs the system of much of its effectivenesss). A serious devotee would want to memorize the chart as much as possible and pull it out only when uncertain. Not there yet but a big fan of Aimpoint.

  18. dan neal

    Feb 25, 2013 at 6:02 pm

    Dave, I think #3 is this…If you look at the picture of Sabbatini, imagine a line straight to the hole from the ball, then you see the white dotted line that runs straight from the ball PAST THE TOP OF THE BREAK of the putt. You figure the degree of angle between the two. That is my best guess.

  19. Dave Smith

    Feb 25, 2013 at 5:32 pm

    Can you explian # 3 better

    • Scott Yurgalevicz

      Feb 25, 2013 at 6:20 pm

      Not a problem Dave. #3 is a bit tricky to explain but let me try in a different way.

      Lets talk about a 10 foot one plane putt. For this scenario a one plane putt will have a ZERO LINE. If you were to walk in a complete circle around the hole maintaining a 10 foot radius there would be 2 points on that circle that you can putt directly at the hole and the ball will go in (as long at all the other parameters are met).

      Once you determine where the nearest “zero” point is to your ball on that radius, you simply make an educated guess at how many degrees away you are from it.

      The Aimpoint chart works in 15 degree increments (notice the bulls-eye looking picture above).

      Keep in mind, we are just trying our best to get as close to each variable as possible. So when we “AimPoint” we are merely giving ourselves a greater opportunity to make each putt.

      Let me know if this way is easier to understand. I prefer the Zero Line but the “Mid-Point” Method is equally as popular. Another way of explaining the Mid-Point method is; if you take the same 10 foot putt, walk on a straight line towards the hole and stop half way and place your feet close together. From here use your feet and begin to rotate until you find the direction of the slope that would force you to lean perfectly straight forward and not slightly left or right. From there how many degrees away from your ball are you facing. (this Youtube video I found my help:

      Hope this helps

      • Nick

        Feb 26, 2013 at 9:57 am

        The “zero line” is really just a technical term for straight up hill. As Scott already said, that putt would go in if you putt it right at the hole from two positions, directly below or above. While Scott says its simple, its actually a suprisingly difficult skill that requires practice for aim point to work. Course engineers are great at making optical illusions that confuse the player as to where directly up hill is for their putt. As Scott said, a bubble level can be used to verify if the player has properly identified the zero line and can be used as a training aid when learning the system. Like anything else, aim point requires practice to learn and apply properly on the course but I can attest that if you are like me and have a “system” of reading putts that is fairly ad-hoc and subjective, applying the more structured and objective approach advocated in the aimpoint clinics and literature can be a big boost to your game.

        I swear I am not paid to say this crap by Aim point. In fact they have 200 bucks of my money but they can keep it. The system has worked for me.

    • Jim

      Feb 26, 2013 at 1:49 pm

      First, AimPoint is ALLOT easier to use after formal instruction and a bit of practice. Relax cause you don’t have to be a surveyor or physics whiz to take full advantage of the process either. It’s pure physics, there’s a margin for error, it’s simple to use, it definitely works.

      Second, the AimPoint pocket charts are simple and calibrated as a clock face accounting for Stemp, slope, and ideal ball speed of rolling the ball about 6″ past the cup on all putts. Determine the degree of angle of your putt line directly from the ball straight to the hole. then the angle of that line to vertical line line through the cup; apply the Stemp and slope values; a quick look at the chart a you’ve got your firing solution. Unless there’s multiple slopes involved I can often read a putt in detail at my first glance of the green or in less than a minute. Trust me, if I can learn to do that anyone can.

      As for point 3: AimPoint slope is actually one of TWO things. A) A measure expressed as a “PERCENTAGE of Fall” defined as a Zero Break Line, or a surface upon which a ball will roll straight and true between the an ultimate high point of a green surface and ultimate green low point. A green may have multiple Zero Break Lines divided by high areas or crowns / shoulders in the surface. This is your first tip as to which way the overal green area really tilts or slopes. B) A “Fall Line” is a perfectly up and downhill line through a GIVEN cup also expressed as a percentage of slope relative to the horizontal. The Fall Line MAY be at differing slpe angle relative to an absolute downhill zero break line. C) The putts Approach Angle is the degree a ball approaches a given cup relative to that cups Fall Line.

      Imagine a clock face with the cup at the center. (See the chart pic in the article) The fall line ALWAYS runs from 6 – 12 or dead up & down slope. If your ball is approaching the cup from 3 or 9 o’clock you are 90* to the Fall Line or slope; at 11:00 or 1:30 you’re at 15* to the Fall Line, etc., all the way around the clock face. Given the variables the charts are calibrated to account for the impact of gravity on a golf ball to provide the break in inches. Aim that far outside the hole, control the speed and prepare to be shocked at how many putts you can make plus how many misreads you’ve been making.

      Take my word for it that AimPint definitely works if you’ll spend the time / effort to become proficient. Usually approx. 2 weeks. It also works great for chipping and improving our overall course knowledge. If you can’t make more putts with AimPoint you’re a hopeless basket case. As an alternative I suggest knitting. Hope this helps a little.

      • Scott Yurgalevicz

        Feb 26, 2013 at 2:00 pm

        Hey Jim – thanks for the comments! You are 100% correct that AimPoint is much easier with formal instruction. In an attempt to keep the article short I decided to give the readers digest version to introduce people to Aimpoint and maybe propel them to go get a lesson or attend a clinic(I could have went on for a few thousand words but who would read that?) Thanks for taking the time dive a little deeper into it, you clearly know your stuff!

    • Brad

      Aug 19, 2013 at 11:41 am

      The average golfer utilizes 42% of his strokes putting. Average score of 90. Average putts of 38. Knowing these correct numbers is likely to help your cause.

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SPOTTED: New Callaway Forged irons… Apex or Legacy?



Photos of a new Callaway Forged iron popped up in our GolfWRX Forums, and our members are trying to figure out whether they’re going to be replacements for Apex Pro irons, or whether they’re an update on the Legacy series. They could also be X-Forged irons, but since Callaway recently came out with new X-Forged irons, that would be unlikely.

Here’s what GolfWRX Members are saying:

  • elwhippy: A new Legacy iron? Looks a bit Japanese shaped. 
  • mattTHEkatt: Like an X-Forged/Legacy Black mashup. They look powerful. 
  • DTown3011: …gotta be the next Apex!
  • J13: Pics look like a newer legacy black.
  • mgholda: Pics look like a newer legacy black.
  • TheMoneyShot: I thought Cally was going to phase out the Apex name after they released the MBs?
  • john443: A larger cavity in these then the X- Forged… competitor to the 750 and AP3 maybe? …or Legacy Black finally brought to retail…hallelujah. CF16 replacement???!
  • Equipto: These look very sharp, and like thumpers. I don’t care if they are a Legacy Black or Apex replacement, call them whatever… i’ll try them 
  • mrmikeac: Next gen Callaway Apex Legacy? Hmmmm…..
  • Brizam: The Legacy Black might be the best players cavity back ever made.  If they were to become available they’d move straight to the top of the list of clubs to buy for me. 
  • Jourdan M: This is the Apex Pro 

Here are photos of the new Callaway irons we spotted

Previous Apex Pro irons

Previous Legacy irons

Which one do you think the new iron looks like? 

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Wilson’s new FG Tour V6 RAW irons (yes, they will rust)



Wilson came out with its FG Tour V6 irons in 2016, but these new Raw versions have a different look… and with time, they’ll have a VERY different look.

The new FG Tour V6 Raw irons have an unplated finish, and they’re designed to “develop a unique patina based on age, exposure and use over time,” according to Wilson. This gives each iron a unique look, and one that’s far from the clean cut original FG Tour release that had a chrome finish (which won’t rust).

In addition to the rusting effect, the irons are different because they have a copper badge in the cavity that will eventually match the color of the golf club over time. Here’s a graphic mock-up of how the Raw irons may look overtime.

Like the original releases, the irons have tungsten weights and mass behind the impact area for a “forged feel” and “improved feedback,” according to the company.

The FG Tour V6 Raw irons are a custom option on, and are available through Wilson’s premium partner accounts as of today, Tuesday, June 19. According to Wilson, the Raw irons “are a very limited production run,” so only a certain amount of sets will even be built.


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Chief Engineer Chris Voshall on Mizuno’s approach to the Tour and some of the most insightful pros



Mizuno’s Chief Engineer Chris Voshall chatted with Johnny Wunder on the latest episode of the Gear Dive.

Voshall offers innumerable interesting anecdotes–particularly interesting is the development of the JPX 900 iron for Brooks Koepka and Voshall’s discussion of his work with other Tour talents.

In the excerpt below, however, Voshall discusses Mizuno’s approach to Tour players and further, whose feedback has proven particularly valuable.

“We’re not making them something special. If they’re coming to us, it’s because the product is that good…They come to us instead of us having to go to them…that’s one of the really exciting things.”

Voshall indicated that players on Tour play essentially the same Mizuno products that are available at retail.

“If the Tour van is out of inventory, they can reach out to us…and we’ll get them more heads. There’s nothing unique about what they’re playing, which I think speaks to the customer…you can almost not trust marketing around the whole world these days, but for us to say ‘there’s nothing different’…that’s something we really hang our hat on.”

With respect to excellent testers on Tour, Voshall sang Luke Donald’s praises, as well as Jhonny Vegas and Brian Gay.

“I love working with Luke. Luke, especially when you’re talking irons…turf interaction, that’s the thing he’s looking for. So with Luke, you’ve really got to speak to him about how it feels, how it enter, how it exits [the turf] and how that’s causing the ball to launch. You could give him the exact same head with a slightly different sole grind, and he will love or hate one versus the other. He’s really cool to work with on that front.”

“Jhonny Vegas…he’s raw power. He goes at it. He wants to slam the club into the ground as hard as he can and see where it goes. He very much on the opposite end of the spectrum as Luke, who’s very much an artist out there, trying to work it, trying to do different things.”

“One of my favorite guys to work with, even though he’s not on staff anymore, is Brian Gay. He knows his game. He knows equipment. Speaking to the fact that he’s been out on Tour as long as he has and has the wins he has with the length he hits the ball, it shows that he does not miss a shot. And he knows everything…when he makes a comment on a club, that’s the one that I take most serious.”

For the rest of Voshall’s insights and perspective, give the full podcast a listen below.

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19th Hole