A fun run is a friendly race that involves either road running

Road running

Road running is the sport of running on a measured course over an established road . These events would be classified as long distance according to athletics terminology, with distances typically ranging from 5 kilometers to 42.2 kilometers in the marathon. They may involve large numbers of runners...

 or cross country running

Cross country running

Cross country running is a sport in which people run a race on open-air courses over natural terrain. The course, typically long, may include surfaces of grass and earth, pass through woodlands and open country, and include hills, flat ground and sometimes gravel road...

 with participants taking part for their own enjoyment rather than competition. A fun run will usually be held to raise funds for a charity

Charitable organization

A charitable organization is a type of non-profit organization . It differs from other types of NPOs in that it centers on philanthropic goals A charitable organization is a type of non-profit organization (NPO). It differs from other types of NPOs in that it centers on philanthropic goals A...

, with sponsors providing the revenue to cover organisational costs. Fun runs can include novelty categories, such as wearing costumes, and age categories for child, teen, and mature. Fun runs can also be included as a side event to a marathon

Marathon

The marathon is a long-distance running event with an official distance of 42.195 kilometres , that is usually run as a road race...

 or other more serious races. Motorcycle

Motorcycle

A motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions.Motorcycles are one of the most...

, snowmobile

Snowmobile

A snowmobile, also known in some places as a snowmachine, or sled,is a land vehicle for winter travel on snow. Designed to be operated on snow and ice, they require no road or trail. Design variations enable some machines to operate in deep snow or forests; most are used on open terrain, including...

, and other motorized vehicle events are also sometimes categorized as "fun runs."