SET TIME / ULTRA OCR

Set Time OCR’s are typically 4, 8, 12 or 24 hours mass participation events with men, women and team competitions. Competitors compete for as many laps as they can in the time allowed. Laps vary up to about 10 km long.

World’s Toughest Mudder is the 24-hour OCR World Championship, with individuals and teams covering as much distance as possible in 24 hours. The Spartan Ultra World Championships is an annual event held over 50 kilometres.

Spartan Ultra World Championship 2018, Iceland