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

South African OCR Championships (SACHAMPS)
Details Website
  • Usually held in July each year.
  • First held At the Blythedale Coastal Estate Natal in July 2018.
  • Certain divisions of SACHAMPS require that athletes qualify to compete.
  • 10km (Commando Elite): Athletes must have completed at least one Warrior Race Black-Ops Elite, Commando Elite or Rookie Elite race with their DQ Band intact.
  • 15km (Black Ops Elite): Athletes must be over 18 years old and have completed at least one Warrior Race Black-Ops Elite race with their DQ Band intact.
  • Top three male and female athletes in Professional division and top three male and female athletes in each Age Group division gain free entry to OCRWC.
http://ocrworldchampionships.com/first-south-african-obstacle-course-racing-championships-announced/
OCR US National Championships
Details Website
  • The first OCR US National Championship (international distance) sanctioned by FISO was the Spartan Race held at Amelia Earhart Park in Hialeah, Florida, on 30 April 2017 (Murphy, 2017).
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UK OCR Championships
Details Website
  • The “UK’s first independent national championships” was held on 14 November 2015 (Foulkes, 2015).
  • Participants could qualify by placing in a top 20 spot, in their gender, at one of twelve qualifiers between March and September.
  • There were also age group and elite divisions.
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All of the above are national-level events sanctioned or recognised by World OCR. The below are OCR brand national championships.

Spartan Race UK & Ireland Regional Championship Series
Details Website
  • Usually held between April and October each year.
  • Consists of five races.
  • Regional series events also feature racer qualifications for both the Spartan European and World Championships.
http://www.spartanrace.uk/en/race/spartan-championships/other-global-championships?article=39345