This week, at the PGA Tour’s WGC-Mexico Championship, we are going to watch some of the best and longest players on the planet play what will effectively be one of the shortest courses on tour.
Now, 7,341 yards is by no means a cakewalk, and there are shorter courses from a pure yardage perspective played on tour—Harbour Town, as an example, only plays at 7,099 yards from the very back. The difference is Harbour Town is played at sea level while Club de Golf Chapultepec is at over 7,500 feet of elevation, and when you factor in the altitude difference between the two courses, they play very differently—more on the math in a moment.
The altitude will also factor in how some players will be setting up their equipment and we could see some adjustments. The most obvious is lofting up the driver or fairways woods to increase carry, which is something Tiger Woods specifically mentioned last year.
The biggest misconception when talking about playing golf at altitude is that the ball doesn’t spin the same in thinner air and players “loft up” to maintain spin. Let’s get into the physics to bust this “spinning less” myth and simplify the science behind playing at altitude,
The golf ball is an inanimate object, and it has no idea it’s at altitude; the air will not have an impact on how much the ball will actually spin. Yes, increasing loft should, by almost every imaginable measure, increase spin but the air it travels through will not change the spin rate.
However, playing at altitude has an effect, Let’s break down what happens
- Thinner air exerts less drag force (resistance/friction) on the ball. The ball moves more easily through this less dense air and won’t decelerate as quickly as it flies. But note that the faster an object moves the more drag force will occur
- Less resistance also means that it is harder to shape shots. So you when you see Shot Tracer, the pros are going to be hitting it even straighter (this makes Tiger’s fairway bunker shot last year even more unbelievable)
- Less force = less lift, the ball will fly lower and on a flatter trajectory
Time for some math from Steve Aoyama, a Principal Scientist at Titleist Golf Ball R&D (full piece here: The Effect of Altitude on Golf Ball Performance)
“You can calculate the distance gain you will experience (compared to sea level) by multiplying the elevation (in feet) by .00116. For example, if you’re playing in Reno, at 1 mile elevation (5,280 ft.) the increase is about 6% (5,280 x .00116 = 6.1248). If you normally drive the ball 250 yards at sea level, you will likely drive it 265 yards in Reno.”
Not every player will be making changes to their bag, and some will instead focus on the types of shots they are hitting instead. When speaking to Adam Scott earlier this week, I was able to ask if he planned on making any changes heading into Mexico the week after his win at the Genesis Invitational.
“It’s very rare for me to make club changes week-to-week beyond playing in the Open Championship and adding a longer iron. The one thing I focus on when playing at altitude is avoiding partial shots where I’m trying to reduce the spin because as spin goes down the ball doesn’t want to stay in the air. I’ve experienced partial shots with longer clubs that end up 25 yards short, and because of that I want to hit as many full shots as possible”
With Club de Golf Chapultepec sitting just over 7,800 feet above sea level, we’re looking at 9.048 or an increase of just over 9 percent. That makes this 7,341-yard course play 6,677 yards (+/- where the tees are placed).
The 19th Hole Episode 159: Howard University coach Sam Puryear
Host Michael Williams talks with Howard U. coach about the trials and triumphs in the fledgling golf program. Also features Adam Martin of Haig Point (SC) and Eduardo Mestres of Los Siete Misterios Mezcal.
The Wedge Guy: The Red Zone
For those of you who are big football fans, we are lost in the off-season, waiting a few more months before we get to watch our favorite pro or college teams duke it out on the gridiron. Living in Texas, of course, football is a very big deal, from the NFL Cowboys and Texans, through our broad college network representing multiple conferences and into the bedrock of Friday nights – high school football, which drives fans and entire towns into a frenzy.
In almost every football conversation on TV, you hear talk about “the red zone”. How a team performs inside the 20-yard line is a real measure of their offensive prowess, and usually a pretty good indicator of their win/loss record, too. It breaks down to what percentage of the time a team scores a touchdown or field goal, and how often they come away empty.
I like to think we golfers have our own “red zone”. It’s that distance from the green where we should be able to go on the offensive and think about pars and birdies, ensure no worse than bogey . . . and rarely put a double or worse on the card. Your own particular set of red zone goals should be based on your handicap. If you are a low single digit, this is your “go zone”, where you feel like you can take it right at the flag and give yourself a decent birdie putt, with bogeys being an unpleasant surprise. For mid-handicap players, it’s where you should feel confident you’ll guarantee a par and rarely make bogey, and for higher handicap players, it’s where you will ensure a bogey at least, give yourself a good chance at par, and maybe even a birdie.
But regardless of your handicap, your own “red zone” should begin when you can put a high loft club in your hands – one with over 40 degrees of loft. Of course, that has changed a lot with the continual strengthening of irons. In my early days that was an eight iron, then it migrated to a nine. But regardless of your handicap or the make and model of irons you play, my contention is that golf is relatively “defensive” with all the other clubs in your bag. With those lower lofted irons, your goal should be to just keep it out of trouble and moving closer to the goal line . . . er, the flag. Even the PGA Tour pros make a very small percentage of their birdies with their middle irons.
When you can put a high loft club in your bag – whether that’s from 150 yards or 105 – that’s when you should feel like you can put your offense into high gear and raise your expectations. It’s no longer about power, because this isn’t about raw distance, but rather distance control and precision. From the red zone, it’s about trusting your technique and your equipment and taking it to the golf course a little bit.
As most of us are in the early stages of the 2021 golf season, one of the best things you can do for your golf improvement is to begin tracking your “red zone” performance. Put the numbers down as to how you are scoring the golf course from your 9-iron range on into the flag. My guess is that you’ll see this is where you can make the most improvement if you’ll give that part of your game some additional time and focus. Any golfer can learn to hit crisp and accurate short range approach shots. And so you should.
Pay attention to your own red zone stats, and work to improve them. I guarantee you that you’ll see your scores come down quickly.
Club Junkie: Reviewing Titleist TSi3 drivers and fairways! (Finally!)
The moment you all have been waiting for: I finally have a TSi3 driver and 3-wood in my hands! Talking about how they performed and maybe some shaft changes for each in the future.
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