The following are regional-level events sanctioned or recognised by World OCR.

OCR Asian Championships
Details Website
  • Usually held in January each year.
  • First held in Manila, Philippines, on 27 January 2018).
  • There are Elite, Ag Group, and Mixed Pairs divisions.For the Elite division, the top 25 overall finishers in races approved by the OSF Asia held within 12 months of the date of competition.
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Pan American OCR Championships
Details Website
  • Usually held in December each year.
  • These are the official championships for the continental Americas.
  • Individual medals are awarded in elite categories (Gold, Silver and Bronze), plus team trophies for the top three countries.
  • Events include: 1,200 metre track race; 5 km international distance; and 10 km standard distance.
  • Races are open to elite and amateur athletes across 5 year age groups.Athletes from all countries are welcome to participate, but only citizens and permanent residents of countries in the Americas are eligible for awards.
https://worldocr.org/pan-american-champs
North American (NORAM) OCR Championships
Details Website
  • Usually held in August each year.
  • Athletes must be citizens or legal residents of North or Central America to compete.
https://noramchamps.com/
OCR European Championships
Details Website
  • Usually held in June/July each year.
  • The first held in June 2016 and was hosted by OCRA Benelux.
  • The championships consist of several qualifying events held around Europe with the final event in June/July.
  • The third championships, hosted by DOCRA between 29 June and 01 July, consisted of a short course and standard course (separated into elite, age and journeyman divisions), team relay, and open course.
https://ocreuropeanchampionships.org/
OCR African Championships
Details Website
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OCR Oceania Championships
Details Website
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All of the above are regional-level events sanctioned or recognised by World OCR. The below are OCR brand regional championships.

Spartan Race Regional Chamionships

Spartan Race North American Championships
Details Website
  • Usually held in [August] each year.
  • The top athletes from 3 Spartan National Championships compete to be crowned the Spartan NORAM Champion.
  • The championships are Canadian National Series, Unites States National Series, and the Mexican National Series.
http://www.spartanrace.uk/en/race/spartan-championships/other-global-championships?article=39805
Spartan Race European Championships
Details Website
  • Usually held in July each year.
  • The top athletes from 4 Spartan National Championships and 2 Regional Championships compete to be crowned the Spartan European Champion.
  • The championships are the French National Series, Italian National Series, Spanish National Series, UK National Series, Central European Regional Series, and the DACH-NL Regional Series.
http://www.spartanrace.uk/en/race/spartan-championships/other-global-championships?article=38835
Spartan Race Asia Pacific (APAC) Championships
Details Website
  • Usually held in July each year.
  • The top athletes from 1 Spartan National Championships, 1 City Series and 2 Regional Championships compete to be crowned the Spartan APAC Champion.
  • The championships are the Australian National Series, Spartan City Series, SEA Regional Series, and the Japan & Korea Regional Series.
http://www.spartanrace.uk/en/race/spartan-championships/other-global-championships?article=39802

Tough Mudder Regional Chamionships

Tougher Mudder Regional Championship Series
Details Website
  • Usually held between May and August each year.
  • There are 4 Regional Championships:
    • Tougher Mudder East Championship (USA).
    • Tough Mudder West Championship (USA).
    • Tough Mudder European Championship (UK).
    • Tough Mudder Central Championship (USA).
https://toughmudder.co.uk/tougher-mudder-championship-series