1. A form of bicycle racing that combines road cycling, mountain biking, and running, typically held on a closed course with natural and artificial obstacles.
Usage: Also used attributively (e.g., cyclocross race, cyclocross bike).; Common in competitive cycling, especially in Europe and North America.

Examples

• She trained hard for the cyclocross season, which runs from fall through winter.
• Cyclocross races require riders to dismount and carry their bikes over barriers.
• He competed in his first cyclocross event last November.
• The course featured mud, sand, and steep hills typical of cyclocross.
• Many road cyclists use cyclocross as a way to stay fit during the off-season.
• Cyclocross bikes are lighter and more agile than mountain bikes but sturdier than road bikes.