Covers activities such as mountain biking, surfing, rock climbing, sailing, snowboarding and surfing.

Information about cliff jumping. Includes photos, jumpers profiles, and directions to each jump site.

Features tips and tricks for inline skating, skateboarding, and freestyle BMX racing.

Norwegian extreme sports week involving base jumping, skydiving, paragliding, rafting, kayak, climbing, and mountainbike. Includes photos, results, videos, and sign up information.

Online version of ESPN's action sports network covering skateboarding, snowboarding, surfing, inline skating, BMX, Motocross and X Games. Includes photos, events, tricks and tips, athlete columns, biographies, videos, and contests.

Features BMX, climbing, skateboarding, snowboarding, surfing and wakeboarding. Includes news, events, forums, photos, videos, tricks and tips.

Covers high-altitude sports such as skyrunning, skyski, skybike and sky raid. Site includes a calendar of upcoming events, related links, news items and membership details.

Specializes in all aspects of extreme sports entertainment; from conception to marketing. Specializes in skateboarding, snowboarding, ski jumping, BMX, FMX and personal watercraft racing.

Founded to support downhill inline skating, street luge, buttboarding, downhill skateboarding, and gravity biking. Includes news, rules, events, rider interviews, and links to related sites.

A new sport-art from Estonia. Features history, events, mission, photo gallery and services.

Features photos, video clips, general information, and equipment of riverboarding whitewater at face level.