
Wakeboarding video site. The clips are high quality and require Quicktime Player.
TheWakePlace.com

Watch extreme performances with BMX, surfing, skateboarding and motorcycles uploaded by visitors
Shred or Die

Martian arts oriented site.There is a option to search videos by fighters name.
MMA Video Links

All about Motocross - tests of motors, racing, interviews.
VMXTV

Well-designed site and numerous videos.Check it out!
Rip.TV

Fans of climbing will appreciate these HD videos
DPM Climbing

All kinds of extreme sports adventures in HD videos. Really must see.
Epic TV