» Adventure Sports
   Covers activities such as mountain biking, surfing, rock climbing, sailing, snowboarding and surfing.
   http://www.suite101.com/welcome.cfm/adventure_sports/

» Air Above Water
   Information about cliff jumping. Includes photos, jumpers profiles, and directions to each jump site.
   http://www.airabovewater.com/

» Camp Woodward
   Features tips and tricks for inline skating, skateboarding, and freestyle BMX racing.
   http://www.woodwardcamp.com/

» 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.
   http://expn.go.com/

» Ekstremsportveko
   Norwegian extreme sports week involving base jumping, skydiving, paragliding, rafting, kayak, climbing, and mountainbike. Includes photos, results, videos, and sign up information.
   http://www.ekstremsportveko.com/

» Equites
   Официальный сайт Общественной организации Эквитес
   http://www.equites.org

» Extreme Bros
   Features BMX, climbing, skateboarding, snowboarding, surfing and wakeboarding. Includes news, events, forums, photos, videos, tricks and tips.
   http://www.extremebros.com/

» Extreme-studio
   Сайт для любителей и профессионалов по экстремальным видам спорта и деятельности.
   http://www.extreme-studio.com.ua

» Federation for Sport at Altitude
   Covers high-altitude sports such as skyrunning, skyski, skybike and sky raid. Site contains a calendar of upcoming events, related links, news items and membership details.
   http://www.fsa-sky.org/

» 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.
   http://www.grindco.net/

» 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.
   http://www.gravity-sports.com/

» Kiiking
   A new sport-art from Estonia. Features history, events, mission, photo gallery and services.
   http://www.kiiking.ee/

» Ripboard
   Features photos, video clips, general information, and equipment of riverboarding whitewater at face level.
   http://www.ripboard.com/

» Виртуальный клуб Экстремал
   Виртуальный клуб Общественной организации Equites - экстремалы, статьи, форум, организации, товары...
   http://www.extremal.org