OCR Combine’s are typically run on 1,000 to 5,000-meter courses and include obstacles that test upper body, lower body, grip and total strength, including functional exercises. Mass starts typically have up to 100 people at a time.
Popular races include Tough Mudder X (TMx), Hyrox, Spartan Crossfit Challenge and the Civilian Military Combine. These events are designed to be spectator friendly, with exciting, head to head racing.
HYROX World Championships, Men`s Competition, Miami, United States.