» EXPN.com
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.
» Ekstremsportveko
Norwegian extreme sports week involving base jumping, skydiving, paragliding, rafting, kayak, climbing, and mountainbike. Includes photos, results, videos, and sign up information.
» Extreme Bros
Features BMX, climbing, skateboarding, snowboarding, surfing and wakeboarding. Includes news, events, forums, photos, videos, tricks and tips.
» Federation for Sport at Altitude
Covers high-altitude sports such as skyrunning, skyski, skybike and sky raid. Calendar of upcoming events, related links, news items and membership details.
» Grindco Productions
Specializes in all aspects of extreme sports entertainment; from conception to marketing. Specializes in skateboarding, snowboarding, ski jumping, BMX, FMX and personal watercraft racing.
» International Gravity Sports Association
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.