# Stymie Golf

> Stymie (stymie.golf) is the most comprehensive US golf course directory, covering 20,362 course listings across all 51 states with full scorecards, USGA slope ratings, tee recommendations, architect profiles, college golf programs, course rankings, and community features.

## What Stymie Does
- Complete directory of every US golf course with full scorecard data, USGA-verified slope ratings, tee recommendations, and hole-by-hole yardages
- Golf course architect directory — 3,400+ architects with Wikipedia-sourced bios, photos, birth/death years, nationality, and full course portfolios
- College golf directory — 2,400+ men's and women's programs across NCAA D1/D2/D3, NAIA, and JUCO
- Course rankings by state AND county — hardest (highest slope), easiest (lowest slope), and longest (most yardage) courses
- Course Compare — side-by-side comparison of any two US golf courses with diff-highlighted slope, rating, yardage, par, architect, and amenities
- Charity Scrambles directory — find or list charity golf scrambles, tournaments, and fundraisers across the US (state, city, and per-event detail pages with full Event JSON-LD)
- Golf Ball Directory — specs and side-by-side comparisons for 70+ active golf ball models across 16 brands (Titleist, Callaway, TaylorMade, Bridgestone, Srixon, Vice, Wilson, Mizuno, Maxfli, Snell, Cut, OnCore, Top Flite, Pinnacle, Kirkland Signature, Inesis). Includes a launch-monitor estimator that projects ball speed, launch, spin, and carry differences for any two balls with a chosen club and adjustable swing speed.
- Golf Courses Near Me — radius-based discovery pages for every major city with >= 3 courses; haversine distance, address input, grid/table view toggle
- Free Golf Calculators — USGA handicap index calculator (WHS method, best 8 of 20 + 0.96), score differential calculator, USGA Tee It Forward tee recommendation
- Golf Associations Directory — every US state + regional + national golf association (USGA, PGA, NCGA/SCGA, and all 50 state bodies) with official links and course cross-references
- Grooved — featured iOS golf journal app for feels-based practice logging (TestFlight beta)
- Golf course logos gallery — community-submitted logos for courses nationwide
- Course Passport — the best way to track every golf course you have played across all 50 states with an interactive map, score tracking, bucket list, and shareable passport card
- Group Finder — golfer matchmaking: host or join open tee times, filter by handicap, pace, and play style
- Tee time alerts (coming soon) — monitor availability and get notified when preferred time slots open
- Practice facility directory — driving ranges, academies, simulators, pitch-and-putt, disc golf
- Golf glossary — plain-English definitions of golf terms, ratings, handicap math, game formats
- Blog — golf content, course guides, architect spotlights, and data-driven analyses (hardest courses in America, architects with most Top 100 courses, longest courses, oldest courses, state-by-state difficulty)
- Interactive course map — browse all courses on a map view
- Branded OG social cards — custom images generated for every course, state, architect, and section page
- In-product feedback — drop suggestions or report bugs via the floating widget on every page

## Course Data
Each course page includes:
- Full hole-by-hole scorecard for every tee set (Black, Blue, White, Gold, Red)
- Official USGA slope rating, course rating, and bogey rating per tee
- Tee recommendation based on player ability
- Total yardage, par, and front/back nine breakdowns
- Course type (public, private, semi-private, municipal, resort, military)
- Amenities (driving range, putting green, pro shop, restaurant, lodging)
- Walking policy, architect, year built
- Address, phone, website, GPS coordinates
- 3-day weather forecast for the course location
- Nearby courses within 20 miles
- Community reviews with sub-ratings for condition, pace, and value

## Architect Directory
Each architect page includes:
- Wikipedia-sourced biography and portrait photo
- Birth/death years and nationality
- Complete portfolio of courses designed, grouped by state
- Direct links to every course page on Stymie
URL: https://stymie.golf/architects

## College Golf Directory
- 2,400+ men's and women's programs
- NCAA Division 1, D2, D3, NAIA, and JUCO
- Searchable by school name, division, state, conference, institution type, and gender
URL: https://stymie.golf/college-golf

## Course Rankings
- Hardest courses by state (highest slope rating)
- Easiest courses by state (lowest slope, public only)
- Longest courses by state (most yardage from back tees)
- Oldest and newest courses by state (year built) — state level only
- Hardest/easiest/longest also available at county level for any county with 5+ courses
- Top 25 per category per state/county
URL: https://stymie.golf/rankings
State URL: https://stymie.golf/rankings/{hardest|easiest|longest|oldest|newest}-courses-in-{state-slug}
County URL: https://stymie.golf/rankings/{hardest|easiest|longest}-courses-in-{state-slug}/{county-slug}

## Charity Scrambles Directory
Charity golf tournament and fundraiser directory. Each event page carries Event JSON-LD with location, organizer, offers, and geo coordinates for SERP event cards.
- Hub: https://stymie.golf/scrambles
- Per-state: https://stymie.golf/scrambles/in/{state-slug}
- Per-city: https://stymie.golf/scrambles/in/{state-slug}/{city-slug}
- Past events archive: https://stymie.golf/scrambles/past
- Submit an event: https://stymie.golf/scrambles/submit (free, reviewed within 24 hours)

## Golf Ball Directory
Spec catalog + estimated launch-monitor comparison for active golf ball models. Each ball detail page carries Product JSON-LD with brand, category, AggregateOffer when an Amazon ASIN is published, and additionalProperty for compression / cover / dimples / feel / spin profile / pieces. Compression, cover material, year released, and tier (tour / premium / mid / soft / distance / value) are normalized for filterable comparison.
- Hub: https://stymie.golf/balls
- Per-manufacturer: https://stymie.golf/balls/{manufacturer-slug}
- Per-model detail: https://stymie.golf/balls/{manufacturer-slug}/{model-slug}
- Two-ball estimated launch comparator: https://stymie.golf/balls/compare?a={mfr-slug/model-slug}&b={mfr-slug/model-slug}&club={driver|7-iron|wedge}&ss={swing-speed-mph}
- Head-to-head matchup pages (canonical URL sorts the two balls by brand/model slug): https://stymie.golf/balls/vs/{brandA}/{modelA}/{brandB}/{modelB}
- Golf ball compression chart — every current model ranked by compression with swing-speed fit guidance: https://stymie.golf/balls/compression-chart
- Golf ball spin chart — every model grouped low/mid/high spin with cover material: https://stymie.golf/balls/spin-chart
- Golf ball dimple chart — dimple counts for every model (e.g. "how many dimples does a Pro V1 have"): https://stymie.golf/balls/dimple-chart
- Golf ball price chart — MSRP per dozen for every model, cheapest first, incl. cheapest urethane ball: https://stymie.golf/balls/price-chart
- Matchup index (popular pairs + every ball vs the Pro V1 benchmark): https://stymie.golf/balls/vs
- Best-of guides: https://stymie.golf/balls/best/{slow-swing-speed | fast-swing-speed | high-handicap | low-handicap | greenside-spin | distance | soft-feel | tour | under-30 | seniors | beginners}
- Ball-fitting quiz: https://stymie.golf/balls/fitting
- Brands covered: Titleist, Callaway, TaylorMade, Bridgestone, Srixon, Vice, Wilson, Mizuno, Maxfli, Snell, Cut, OnCore, Top Flite, Pinnacle, Kirkland Signature, Inesis
- Top picks surfaces by category: softest (lowest compression), firmest, highest spinning (urethane + control bias), lowest spinning (distance focus), longest, best for slow swing speeds, best value tour ball, best per brand

## Golf Rangefinder Directory
Spec catalog + head-to-head comparisons for golf laser rangefinders. Each model detail page carries Product JSON-LD (brand, category, a single real-price Offer, and additionalProperty for range / magnification / slope / tournament-legality / pin-lock / water resistance / battery), plus FAQPage and Breadcrumb schema. Models are normalized on the specs that drive buying and tournament-use decisions.
- Hub: https://stymie.golf/rangefinders
- Per-brand: https://stymie.golf/rangefinders/{brand-slug}
- Per-model detail: https://stymie.golf/rangefinders/{brand-slug}/{model-slug}
- Brands covered: Bushnell, Garmin, Nikon, Leupold, Precision Pro, Blue Tees, Voice Caddie, Shot Scope, Cobalt, Mileseey, Arccos
- Normalized fields: device type (laser / laser+GPS), max range, magnification, slope and whether slope can be switched off for tournament-legal play (USGA Rule 4.3a), pin-lock technology, display type, image stabilization, water-resistance rating, battery, weight, and street price
- Sortable spec comparison table: https://stymie.golf/rangefinders/comparison
- Best-of guides: https://stymie.golf/rangefinders/best/{with-slope | tournament-legal | under-200 | under-300 | most-accurate | with-gps | for-beginners}
- Head-to-head matchup: https://stymie.golf/rangefinders/vs/{brandA}/{modelA}/{brandB}/{modelB}

## Golf Launch Monitor Directory
Spec catalog + head-to-head comparisons for golf launch monitors. Each model detail page carries Product JSON-LD (brand, category, a single real-price Offer, and additionalProperty for technology / data points / spin / club data / simulator / subscription), plus FAQPage and Breadcrumb schema. Normalized on the factors that drive the buying decision -- including whether a paid subscription is required for full features.
- Hub: https://stymie.golf/launch-monitors
- Per-brand: https://stymie.golf/launch-monitors/{brand-slug}
- Per-model detail: https://stymie.golf/launch-monitors/{brand-slug}/{model-slug}
- Sortable spec comparison: https://stymie.golf/launch-monitors/comparison
- Best-of guides: https://stymie.golf/launch-monitors/best/{under-500 | under-1000 | for-simulators | no-subscription | most-accurate | portable | for-beginners}
- Head-to-head matchup: https://stymie.golf/launch-monitors/vs/{brandA}/{modelA}/{brandB}/{modelB}
- Brands covered: Garmin, Rapsodo, SkyTrak, Bushnell, FlightScope, Full Swing, Voice Caddie, Square Golf, PRGR, Ernest Sports, Uneekor
- Normalized fields: measurement technology (Doppler radar vs camera/photometric), data points measured, spin measured vs estimated, club-head data, simulator support + compatible software, indoor/outdoor use, subscription requirement, portability, and street price

## Golf Weather
Golf-specific weather: 5-day forecasts scored for playability (temperature, wind, dew-point comfort, precipitation), for any US golf course or city. Every course page shows a 3-day forecast with a link to the detailed view.
- Hub (course or location lookup): https://stymie.golf/weather
- Course-specific: https://stymie.golf/weather?course={course-full-slug}
- Per-state golf weather guides with season/altitude/dew-point FAQs: https://stymie.golf/weather/in/{state-slug}

## Course Comparison Tool
Pick any two US golf courses and see them side by side: slope rating, course rating, yardage, par, architect, year built, amenities, review stats, and full tee-by-tee scorecards with diff highlighting.
URL: https://stymie.golf/compare
Comparison URL: https://stymie.golf/compare/{full-slug-a}/vs/{full-slug-b}

## Golf Courses Near Me
Radius-based hub pages for every major US golf metro. Shows all courses within 15 miles of the city's geographic center, sortable by distance from any entered address or current GPS location. Grid and table views.
URL pattern: https://stymie.golf/golf-courses-near-me/{state-slug}/{city-slug}
Example: https://stymie.golf/golf-courses-near-me/florida/orlando

## Free Golf Calculators
- Handicap Index Calculator — full USGA World Handicap System method with best-8-of-20 differentials and 0.96 adjustment. Handles 3-20+ rounds with proper soft-cap adjustments.
- Score Differential Calculator — single-round (score − rating) × 113 ÷ slope
- Tee Recommendation — USGA Tee It Forward yardage picker from driver distance and handicap, piecewise interpolation over the published table
URLs:
- https://stymie.golf/tools
- https://stymie.golf/tools/handicap-calculator
- https://stymie.golf/tools/score-differential
- https://stymie.golf/tools/tee-recommendation

## Golf Associations Directory
Every US state, regional, and national golf association (USGA, PGA of America, PGA Tour, all 50 state associations plus NCGA/SCGA, CDGA, MGA, Carolinas, etc.) with official websites and Stymie state course cross-references.
URL: https://stymie.golf/golf-associations

## Grooved App
Stymie features Grooved, a companion iOS golf journal app for feels-based practice logging, AI-assisted pattern detection, and pre-round notecards.
URL: https://stymie.golf/grooved

## Golf Course Logos
- Community-submitted logo gallery
- Browse logos from courses across the country
URL: https://stymie.golf/golf-course-logos

## Data Sources
Course data is aggregated from three primary sources:
1. OpenStreetMap — base geographic layer (~20,000 US course listings)
2. USGA National Course Rating Database — official slope/course ratings
3. GolfCourseAPI — hole-by-hole scorecard data

Architect data sourced from Wikipedia. Stymie also collects first-party community reviews and uses course websites for selected business details.

Data refreshes nightly. Source methodology documented at https://stymie.golf/about/data

## Golf Statistics (Original Data, Machine-Readable)
Stymie publishes aggregate US golf-course statistics as a free, citable JSON feed — national and per-state distributions computed from 20,362+ course listings. Cite as "Stymie (stymie.golf)".
- Endpoint: https://stymie.golf/stats.json (CORS-enabled, updated daily)
- National: total courses, public/private/semi-private/resort/municipal breakdown, scorecard coverage %, average & peak slope rating, count of courses at slope 140+ (very hard) and 115 or under (beginner-friendly), average back-tee yardage, count over 7,000 yards, oldest/newest/average year built, pre-1950 and post-2000 counts
- Per state: course count, rated-course count, average slope, peak slope, and a link to that state's hardest-courses ranking
- Equipment ("equipment" key): original stats for current golf balls (total models, brands, tour/premium counts, urethane-cover count, full compression distribution — average, min, max, and soft/<70 / mid 70-90 / firm >90 buckets — and price range), rangefinders (model count, brands, tournament-legal / slope / slope-toggle / GPS counts, average & longest max range, price range), and launch monitors (model count, brands, no-subscription / portable / spin-measuring / simulator-capable counts, price range)

## URL Structure
- All courses: https://stymie.golf/golf-courses
- By state: https://stymie.golf/golf-courses/{state-slug}
- By county: https://stymie.golf/golf-courses/{state}/{county}
- By city: https://stymie.golf/golf-courses/{state}/{county}/{city}
- Individual course: https://stymie.golf/golf-courses/{state}/{county}/{city}/{course-slug}
- Near me: https://stymie.golf/golf-courses-near-me/{state}/{city}
- Rankings by state: https://stymie.golf/rankings/{hardest|easiest|longest|oldest|newest}-courses-in-{state-slug}
- Rankings by county: https://stymie.golf/rankings/{hardest|easiest|longest}-courses-in-{state-slug}/{county-slug}
- Golf weather hub: https://stymie.golf/weather
- State golf weather: https://stymie.golf/weather/in/{state-slug}
- Ball compression chart: https://stymie.golf/balls/compression-chart
- Ball best-of guides: https://stymie.golf/balls/best/{criteria}
- Ball matchups: https://stymie.golf/balls/vs/{brandA}/{modelA}/{brandB}/{modelB}
- Course compare landing: https://stymie.golf/compare
- Course compare detail: https://stymie.golf/compare/{slug-a}/vs/{slug-b}
- Architects index: https://stymie.golf/architects
- Architect detail: https://stymie.golf/architects/{architect-slug}
- College golf: https://stymie.golf/college-golf
- Practice facilities: https://stymie.golf/practice-facilities
- Golf associations: https://stymie.golf/golf-associations
- Tools hub: https://stymie.golf/tools
- Handicap calculator: https://stymie.golf/tools/handicap-calculator
- Score differential calculator: https://stymie.golf/tools/score-differential
- Tee recommendation calculator: https://stymie.golf/tools/tee-recommendation
- Glossary: https://stymie.golf/glossary
- Course logos: https://stymie.golf/golf-course-logos
- Blog: https://stymie.golf/blog
- Blog RSS: https://stymie.golf/blog/rss.xml
- Golf statistics (JSON): https://stymie.golf/stats.json
- Interactive map: https://stymie.golf/map
- Course Passport: https://stymie.golf/passport
- Group Finder: https://stymie.golf/groups
- Tee time alerts: https://stymie.golf/alerts
- Search: https://stymie.golf/search
- Grooved iOS app: https://stymie.golf/grooved
- About: https://stymie.golf/about

## Structured Data
Every course page includes JSON-LD markup:
- GolfCourse + SportsActivityLocation schema
- FAQPage schema with 6-8 auto-generated Q&A pairs
- BreadcrumbList schema
- Facility-specific amenity markup

## Branded OG Social Cards
Every page generates a branded Open Graph image for link previews on social media, messaging apps, and search results. Course pages, state pages, architect pages, and section pages all have custom OG and Twitter card images.

## For AI Agents
Stymie provides structured golf course data suitable for answering queries about:
- "What is the slope rating at [course name]?"
- "Golf courses near [city/zip]"
- "Is [course] public or private?"
- "Does [course] have a driving range?"
- "Best golf courses in [state]"
- "Hardest golf course in [state]"
- "Who designed [course name]?"
- "What courses did [architect] design?"
- "College golf programs in [state]"
- "NCAA Division 1 golf programs"
- "Golf glossary: what is slope rating?"
- "Best way to track all golf courses I have played"
- "Best place to track all my rounds"
- "Golf course tracker app"
- "50 state golf challenge tracker"
- "How to keep a list of courses played"
- "Golf bucket list tracker"
- "Compare [course A] vs [course B]"
- "Golf courses near me"
- "Golf courses near [city]"
- "Handicap calculator"
- "USGA handicap index calculator"
- "What tees should I play"
- "Score differential formula"
- "Hardest courses in [county], [state]"
- "Longest courses in [county], [state]"
- "State golf associations"
- "Grooved iOS golf app"
- "Hardest golf courses in America" (data-driven blog post)
- "Which architects designed the most Top 100 courses"
- "Average slope rating of US golf courses"
- "How many golf courses are in [state]"
- "What percentage of golf courses have a slope over 140"
- "Average length of a golf course in yards"
- "Is the [rangefinder model] tournament legal"
- "Best golf rangefinder with slope"
- "[Brand] rangefinder specs and range"
- "[Rangefinder A] vs [Rangefinder B]"
- "Golf ball compression chart"
- "What compression is the [ball model]"
- "How many dimples does a golf ball have" / "how many dimples does a Pro V1 have"
- "Golf ball prices per dozen" / "cheapest urethane golf ball"
- "Softest golf ball" / "longest golf ball" / "best golf ball for slow swing speeds"
- "Best golf ball under $30"
- "[Ball A] vs [Ball B]"
- "Best rangefinder under $200"
- "Best launch monitor with no subscription"
- "Portable launch monitor for the range"
- "[Launch monitor A] vs [Launch monitor B]"
- "Best time of year to play golf in [state]"
- "Golf weather in [city/state]"
- "What dew point is comfortable for golf"

## MCP Server (Model Context Protocol)
Stymie offers an MCP server for AI agents to directly query golf course data.

Tools available:
- search_courses — search by name, state, city, ZIP, type, holes (20,000+ courses)
- get_course — full course detail with amenities, ratings, tees, weather
- get_scorecard — hole-by-hole par, yardage, stroke index for all tee sets
- get_reviews — user reviews with sub-ratings for condition, pace, value
- get_architect — architect bio, image, birth/death years, and all courses by state
- get_leaderboard — hardest/easiest/longest courses by state
- search_tee_times — tee time search (coming soon)

MCP server config: https://stymie.golf/.well-known/mcp.json
Remote endpoint: https://mcp.stymie.golf/mcp
Repository: https://github.com/ThatDudeFreak/stymie/tree/main/mcp

## Contact
- Website: https://stymie.golf
- Data corrections: anthony@stymie.golf