Handicap
How to Calculate Your Golf Handicap Index
Understanding your handicap index is the key to competing fairly against any golfer. Learn the exact USGA formula and how to apply it to your recent scores.
Golf Course Data, Done Right
Every Scorecard. Every Slope Rating. Every Course.
Look up any US golf course and get the full scorecard, tee boxes, slope ratings and a local guide — free, no account needed.
18,540
courses with full scorecards
50
state ranking guides
63
golf tips & guides
For Golfers
Know the Course Before You Tee Off
Hole-by-hole yardages, par and handicap for every tee box, plus slope and course ratings so you know exactly what you're walking into. Rankings for the hardest, easiest and best-loved courses in the country.
Browse the DirectoryFor Developers
The Same Data, as an API
Every scorecard, tee box and rating on this site is available through the RYZE Golf Course Data API — powering golf apps, handicap trackers and booking tools.
Explore the APIFeatured Course
Groesbeck
Lansing, Michigan
18
Holes
71
Par
5,967
Yards (tips)
128
Top Slope
Groesbeck is an 18-hole course that challenges golfers with its diverse yardage ranging from 4,789 yards on the forward tees to 5,967 yards from the back. With a par of 71, this course features several tee options—Blue, White, and Red—catering to different…
View Full Scorecard & DetailsFrom the Blog
Latest Golf Tips
Handicap
Understanding Slope Rating and Course Rating
Slope rating and course rating appear on every scorecard, but most golfers don't know what they mean. Here's a plain-English explanation of both numbers.
Handicap
What Is a Good Golf Handicap?
What does your handicap index actually say about you compared to other golfers? Here's how handicap ranges break down across the golfing population.