Sportmentary is a free, independent sports encyclopedia. Our goal is simple: explain how sports work in clear, beginner-friendly language, so anyone can learn a new game, understand what is happening on the field, or help a young athlete get started.
What you will find here
- Rules and scoring for more than 25 sports, from wrestling and field hockey to badminton and rugby.
- Positions, formations and strategy explained with tables and examples.
- Step-by-step technique guides and drills for players and coaches.
- Equipment, training and safety advice for athletes of every level.
How we research and update guides
- Rules content is checked against the official rulebooks of governing bodies, including the NFHS, NCAA, NHL, FIH, BWF, World Rugby and United World Wrestling.
- Every rules guide lists its sources at the bottom of the page.
- When a governing body changes its rules, we update the affected guides and note which season the rules apply to.
- Rules can differ between leagues, age groups and countries. We point out common differences, but always check with your league or association for local rules.
Corrections and feedback
If you spot an error or an out-of-date rule, please contact us. We review every correction request.
Our purpose
Being active is one of the best things people can do for their health, and sports make activity fun and social. Sportmentary exists to lower the barrier to trying a new sport by making the rules and basics easy to understand.
