Pace of Play Thoughts
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The Interval Is Not a Solution How Golf Courses Inherited a Scheduling Convention and Called It Pace of Play
On a busy Saturday morning at a well-run American golf course, the first group leaves the first tee at 7:00 a.m. The second group follows at 7:10. The third at 7:20. By 8:30, eight groups are on the course, each separated by ten minutes, each moving through the property in the sequence the tee sheet prescribed. The operation looks orderly. The mathematics, examined carefully, are not.
By the time the eighth group reaches the third hole, the first group is somewhere around the sixth. The gaps between them are no longer ten minutes. They are whatever the course's geometry and the players' ability have made them. A par-3 that plays into a prevailing wind adds two minutes to every group's service time. A green that breaks sharply in three directions adds another ninety seconds. A fairway bunker positioned to catch the average drive creates a compression point that ripples backward through every group that follows. The tee sheet said ten minutes. The course produced something different.
The ten-minute interval is the most consequential number in golf operations. It determines how many rounds a facility can sell in a day, how much revenue it can generate per hour of available daylight, and whether the golfers on the property at noon are playing in acceptable time or grinding through a backup that no one on the staff can explain. It is also a number that most facilities inherited rather than derived, repeat rather than examine, and defend rather than question.
The pace-of-play problem in American golf is not primarily a behavioral problem. It is a scheduling problem. And the scheduling problem begins with the interval.
I. The Sequential System and Its Constraint
A golf course is a sequential processing system with a fixed number of servers and a fixed sequence of service. The servers are the holes. The customers are the groups. Each group must be processed by each server in the same order, and no group can bypass another once the round has begun.
This structure creates a condition that operations researchers have studied for more than a century across manufacturing, telecommunications, and transportation: the queue. When the rate at which customers arrive at a server exceeds the rate at which the server can process them, a line forms. On a golf course, that line is visible as the backed-up group standing on the tee waiting for the green to clear. It is audible as the ranger's radio. It is measurable as the five-hour round.
The foundational insight of queuing theory, formalized by Danish engineer A.K. Erlang in the early twentieth century and extended by operations researcher John Little into what is now called Little's Law, holds that the average number of customers in a system equals the arrival rate multiplied by the average time each customer spends in the system. If a facility wishes to control how many groups are on the course at any given time, it must control either how frequently they arrive or how long each one takes to move through the property. The tee interval governs the first variable. Course setup, hole difficulty, and player ability govern the second. The relationship between the two determines whether the system moves cleanly or backs up.
A ten-minute interval means six groups per hour enter the system. If each group requires four hours and twenty minutes to complete eighteen holes, the course will carry roughly twenty-six groups in play simultaneously at peak capacity. If each group requires four hours and forty minutes, that figure climbs toward twenty-eight. The additional groups do not disappear when the last tee time goes out. They compress into the back nine, slow every group behind them, and produce the congested conditions that every facility manager recognizes and almost none has traced to its structural origin. Think of the interval as a valve. Most courses have never adjusted it to match the flow rate of their specific system.
II. Where the Number Came From
The ten-minute interval did not emerge from operational analysis. It spread the way most industry conventions spread: one facility adopted it, others observed it, and it became the default before anyone had established it as correct.
The USGA began publishing pace-of-play guidelines in the 1980s, responding to the documented increase in round times that accompanied golf's post-war expansion. Their framework was built around the four-hour round as the target and worked backward to the interval that would theoretically produce it. The calculation assumed a walking pace of approximately three miles per hour, a standard eighteen-hole layout, and groups of four players with modest skill variance. Under those assumptions, ten minutes was a defensible interval. Those assumptions have not described the majority of American golf rounds for decades.
The motorized cart, which became standard at most daily-fee and resort facilities during the 1960s and 1970s, changed the pace equation in ways the interval never absorbed. Carts move golfers between shots faster than walking. They also concentrate traffic at cart path chokepoints, require 90-degree rules on wet days that add significant time, and create a two-wave dynamic in which players arrive at their golf balls before they have mentally prepared for the shot, adding measurable seconds per player per hole. The cart did not simply accelerate the round. It redistributed where time was spent and created new bottlenecks that the walking-pace interval had never been designed to accommodate.
Matt Pringle, the USGA's technical director who led the organization's most extensive pace-of-play research program, tracking 5,396 rounds across 135 courses, described the fundamental problem in terms that most facility operators have never applied to their own tee sheets. "The ideal interval depends on the golf course and the golfers. It's all about matching the flow onto the golf course to the flow through the golf course. If a group can flow easily, you can tee them off eight minutes apart. If the course is difficult or they aren't matched well to the course, and it takes groups, on average, 12 minutes to fall behind, then if you have anything less than a 12-minute interval, you're going to cause a bottleneck." The ten-minute interval assumes every course falls between those extremes. No facility-specific analysis is required.
III. The Throughput Problem
The critical variable that the ten-minute interval ignores is what operations researchers call service time variance: the difference between how long a process takes on average and how long it takes across the full distribution of cases. On a golf course, service time variance is the difference between how long a hole takes the best group of the day and how long it takes the slowest.
A short par-3 over water at 140 yards carries high service time variance. The scratch golfer completes the hole in twelve minutes. The 20-handicap requires nineteen. The seven-minute differential means the gap between the first and second group on that hole closes by seven minutes every time a slower group plays it. Three or four high-variance holes in sequence, as many course routings contain in their middle sections, produce structural compression. The interval that separated groups at the first tee no longer exists by the seventh hole. The backup originates in the course's own design interacting with a scheduling assumption that made no provision for it.
Sheryl Kimes and Lee Schruben of Cornell University's School of Hotel Administration modeled exactly this dynamic in a peer-reviewed simulation study published in the Journal of Revenue and Pricing Management in 2002, the first formal application of revenue management principles to golf course scheduling. Their simulation demonstrated that even though more parties can be scheduled with a shorter tee-time interval, the variability in pace of play may result in long wait times for players, and not all scheduled parties may be accommodated. At an eight-minute interval, the simulation produced twenty-five parties stacked at the course's most constrained hole. At nine minutes, nine parties. At ten minutes, eight. The study's operational conclusion was precise: there cannot be a tee time interval of less than about 8 minutes without causing the queue to become unstable, with parties arriving at a faster rate than they can play.
The optimal interval is not a fixed number. It is a function of the specific course's bottleneck hole, the hole with the longest service time and the highest variance across the player population. Set the interval below that hole's throughput rate and the queue destabilizes regardless of what happens on every other hole on the property.
Pringle arrived at the same conclusion from field data rather than simulation. Describing the USGA's approach to the problem, he observed that the governing body was conducting what any manufacturing facility would have recognized as standard industrial analysis: "If you were in a factory, Henry Ford would have done this 100 years ago. It's kind of cold to describe it like that, but this is a time and motion study on a very complex factory." A manufacturing operation that set its production rate without measuring the throughput of its slowest machine would not classify the resulting backlog as a worker behavior problem. It would classify it as a scheduling failure.
IV. What the Evidence Shows
The USGA's partnership with the LPGA Tour in 2014 produced the most rigorous documented test of interval modification in competitive golf. At the start of that season, the LPGA employed 10-minute intervals between its starting times when playing in threesomes, and officials tracked times for the first six events of the year and passed this information on to the USGA. The average round was running four hours and fifty-four minutes. Based on Pringle's analysis of the flow data, the LPGA adjusted starting-time intervals from 10 minutes to 11 minutes for three-player groupings and implemented a new policy for monitoring pace.
The result was a fourteen-minute reduction in average round time, achieved by adding a minute to the interval rather than subtracting one. At ten minutes, groups were catching the group ahead and waiting; the accumulated wait time exceeded the cost of the additional tee-sheet minute. At eleven minutes, groups maintained sufficient buffer to preserve position without stacking, and the course processed the same number of players in less total time because the system had ceased generating its own congestion.
The USGA's 2014 Pace of Play Symposium documented that 74 percent of golfers surveyed said the time it takes to play is "critical" to their enjoyment, and 35 percent called it a "major problem," up 17 percent from a year earlier. Conversely, only 7 percent of course operators indicated that pace of play was a major issue. The gap between those two figures is explained by operators measuring their own performance against the tee sheet they constructed rather than against the throughput the system actually produced. When the interval is both the input and the benchmark, the interval is always correct.
Kimes and Schruben introduced a performance metric that addresses this structural blind spot directly: RevPATT, revenue per available tee time. Golf courses have two strategic levers, round duration control and demand-based pricing, that they can deploy in a revenue management programme. Before embarking on a revenue management programme, golf courses must first clearly define their capacity. Capacity, as the Cornell study defined it, is not the number of tee times on the sheet. It is the number of rounds the course can process without generating queue instability. On most American golf courses, those are different numbers. The interval that separates them has never been calculated.
V. What a Derived Interval Would Require
Pringle's summary of the USGA's most comprehensive pace-of-play research was direct in its institutional implication. "Very few golf courses have an active measurement and control system. At the end of the day, a golf course is like a factory that is producing rounds of golf. DuPont doesn't try and run a chemical plant without measurement and control."
The USGA developed a prototype flagstick sensor to give facilities a low-cost instrument for measuring cycle times hole by hole. The intent was not to monitor golfer behavior but to locate the course's own architectural constraints: to identify the bottleneck hole and calibrate the interval against it. The required analysis is not complicated. It demands knowing, for a representative sample of the facility's actual player population, how long the course's most constrained hole takes to process a group from tee to green clearance. That figure establishes the floor for the interval. Anything below it produces a queue that no marshal, pace policy, or enforcement mechanism can resolve, because the congestion is structural in origin.
Most American golf facilities have not performed this analysis. The USGA provided the tools and the methodology. The pace studies documented the operational need. The LPGA experiment confirmed the principle under competitive conditions. The Cornell simulation demonstrated what happens to throughput when the interval is set below a course's architectural constraint. The industry's predominant response has been to keep the number where it is.
The pace-of-play conversation in American golf has concentrated for four decades on the golfer: the length of the pre-shot routine, group readiness at the tee, position relative to the group ahead. What it has not examined is the system inside which golfer behavior occurs. If the foundational scheduling assumption of that system was inherited rather than derived, then some portion of every slow round in America is a calculation that was never performed in the pro shop, sitting unchanged in the interval field of a tee sheet that has not been examined against the throughput data of the course it is meant to serve.
The ten-minute interval persists at most facilities not because it has been tested and confirmed, but because revising it requires a facility to first acknowledge that it never tested the number it has been using. That acknowledgment carries a specific implication: the slow rounds were not the golfers' fault.