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Tour-caliber spin and distance performance
Performance Sunglasses
Polarized lenses optimized for reading greens
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The International: Course Intelligence
Geoffrey Cornish designed The International golf course in 1955 on a piece of Bolton, Massachusetts central Massachusetts land. The course gained significant national attention as one of the longest championship courses in the United States — the routing was conceived as an extreme back-tee length challenge, with the property pushing 8,000 yards from the championship markers at its peak. Cornish was one of the most-prolific post-World War II American architects, with hundreds of routings across the Northeast, and The International represents his architectural vocabulary at its most ambitious scale.
The course plays around 8,300 yards par 73 from the championship markers — historically one of the longest official championship-tee yardages in the United States — with bent fairways and a slope in the upper 140s. The yardage at the championship markers is intentionally extreme; most member and visitor play uses shorter tees that give the routing more conventional playing length. The fairways play firm given the central Massachusetts subsoil. The mature deciduous canopy through the property has grown over the club's 70-year history.
The International operates as a private members' club with limited daily-fee access through certain tee-time windows. The hospitality model is built around the unique extreme-length identity, with the championship-tee experience as the property's signature offering. The course closed temporarily during the early 2020s before reopening under new ownership and operations.
Massachusetts climate gives The International a playing season of April through November, with the firmest conditions in September and October. The course closes through brief winter cold snaps. The mature deciduous canopy and the autumn color through October are part of the routing's seasonal photographic signature.
Related Reading
Before you tee off at The International

Golf Weather Physics: How Temperature, Altitude, and Humidity Change Ball Flight
Real physics data on how temperature, altitude, humidity, and wind change your golf ball flight — with specific yard adjustments, named course examples, and measured G-Score data from courses we track daily.
Read Story
Saturday Morning Tee Time Decision Tree: How to Pick the Right Window in Six Minutes
You have Saturday open. Three courses on the shortlist, the weather is mixed, and your tee-time window is 6am to 4pm. Here is the six-minute decision tree we use to pick the right round, the right course, and the right hour — without overthinking.
Read StoryMinSu Kim
Founder & Golf Data Analyst
MinSu is a data analyst and golfer with 10+ years on the course. He built Golf Weather Score to answer one question: is today a good day to play? He combines weather data, course intelligence, and the proprietary G-Score algorithm to help golfers make smarter decisions.
Every Friday Morning
When The International plays best next weekend.
Friday 6am ET: peak G-Score windows for The International, wind direction by hour, and one gear call. Three minutes to read, save you the round.
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The Caddie's Oracle
Draw your luck before the tee off
