UCI Rules
🏛️Official — UCI3.4 Mountain Bike Course Specifications
Verdict
XCO (Cross-Country Olympic): Lap circuit of 4–6 km in length. Total race duration targeted at 1 hour 20 minutes to 1 hour 30 minutes (men) and 1 hour 10 minutes to 1 hour 20 minutes (women). Number of laps adjusted based on lap time. Elevation gain typically 100–200 m per lap. Mix of singletrack,...
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