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  • Fitness
    • Importance of physical training
    • Fifa fitness test for referees (men and women)
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  • About
  • Home
  • Blog
  • Case studies
  • Interviews
  • Tips & tricks
    • Development as ref: start with the selfscan
    • Game management
    • Goal-setting for referees
    • Effective communication
    • Mental toughness
    • Focus and concentration
  • Fitness
    • Importance of physical training
    • Fifa fitness test for referees (men and women)
    • Assistant referee fitness test
    • Change of Direction Ability (CODA) fitness test
    • Single Double Single High Intensity Interval Test
    • ARIET fitness test
    • Nutrition for referees
  • Resources
    • Football Laws of the Game
    • Futsal Laws of the Game
    • Laws of the Game Quizzes
    • FIFA refereeing international lists 2023
    • Refereeing Assistance Programme
    • Refereeing magazines
  • About
  • Blog,  LOTG Quiz

    Laws of the Game Quiz #05 of 2026-2027

    30 September, 2026 / No Comments

    The Laws of the Game Quiz #05 of 2026-2027 is ready.  This quiz has now 5 videos. Let me know what you prefer the most, now I’ve tried a couple of different quizzes on [email protected]. You can participate on the embedded form below or directly on Google Forms. Do the quiz in Google Forms

    Read More
    Jan ter Harmsel
  • Blog

    The Impossible Job is a new book by William Ralston

    27 September, 2026 / No Comments

    The Impossible Job is a new book by William Ralston. It has Lots of great insights in top level refereeing, as the author speaks with Anthony Taylor, Szymon Marciniak, Marco Guida, Daniel Siebert, Slavko Vinčić and Glenn Nyberg. Just to name a few. He attends training camps, visits them at their home, and with one referee even goes to Berghain. Just to name a few. In the interview I did with him he talks about the pressure on top referees and their ability to get the respect from players. Below a long interview with the author. You can buy the book yourself via Penguin.

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    Jan ter Harmsel
  • Blog,  LOTG Quiz

    Laws of the Game Quiz #04 of 2026-2027

    2 September, 2026 / 13 Comments

    The Laws of the Game Quiz #04 of 2026-2027 is ready.  This quiz combines both video and text. Let me know what you prefer the most, now I’ve tried a couple of different quizzes on [email protected]. You can participate on the embedded form below or directly on Google Forms. Do the quiz in Google Forms

    Read More
    Jan ter Harmsel
  • Blog

    Premier League assistant referee James Mainwaring on fitness and his WC2026 experiences

    28 August, 2026 / 2 Comments

    James Mainwaring, assistant referee at the 2026 World Cup, shares his favourite fitness exercise and fitness experiences during the World Cup. It was a fantastic experience for him and now he prepares for the new season.  The fitness exercise he shares with us is intense. “I know that if I can get through this one, I can do anything.”

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    Jan ter Harmsel
  • Blog

    Delaying the restart of play to show a card

    26 August, 2026 / No Comments

    Delaying the restart of play to show a card is not seen often. It can happen when an attacking team takes a quick free kick. But is a card still needed then? In which cases it is needed?  That’s what you’ll learn in this case study.

    Read More
    Jan ter Harmsel
  • Blog,  LOTG Quiz

    Laws of the Game Quiz #03 of 2026-2027

    17 August, 2026 / 13 Comments

    The Laws of the Game Quiz #03 of 2026-2027 is ready.  After 2 video quizzes, this quiz has text and focusses on the law changes for the new season. Good luck! You can participate on the embedded form below or directly on Google Forms. Do the quiz in Google Forms

    Read More
    Jan ter Harmsel
  • Blog

    Scottish ex-FIFA referee Bobby Madden shares his go-to fitness exercise

    7 August, 2026 / No Comments

    Scottish ex-FIFA referee Bobby Madden shares his go-to fitness exercise. He ran it every fortnight and even now he sometimes does it. “This exercise builds aerobic capacity and speed endurance, which increases your V02 Max”, says Madden. Your body will thus be better in recovering from and adapting to physical stress and exercise volume. “Fitness is more important for referees as it’s ever been”. PS: did you know Bobby Madden recently started a referee podcast? Read more about So Near and Yet So VAR.

    Read More
    Jan ter Harmsel
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Recent posts

  • Laws of the Game Quiz #05 of 2026-2027
  • The Impossible Job is a new book by William Ralston
  • Laws of the Game Quiz #04 of 2026-2027
  • Premier League assistant referee James Mainwaring on fitness and his WC2026 experiences

Blogroll

  • Apito do Bicudo
  • Arbitro Internacional (Spanish)
  • CroRef
  • Fifa Concacaf Referees Blog (Spanish)
  • Hong Kong Ref
  • Law 5 – The Referee
  • Officials 101
  • ProReferee – news and store
  • Referee Revolution (Greek)
  • Refereeing the Beautiful Game
  • Referees at Home (Comics)
  • RefereeTip (Portugese)
  • The 3rd Team
  • The Referee (by John King)
  • Third Blind Mouse
  • Topfluit (history of whistles + shop)
  • Laws of the Game Quiz #05 of 2026-2027
  • The Impossible Job is a new book by William Ralston
  • Laws of the Game Quiz #04 of 2026-2027
  • Premier League assistant referee James Mainwaring on fitness and his WC2026 experiences
  • Delaying the restart of play to show a card

Dutch Referee Blog - 2024
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