Speed skating on ice skates. Inline (and quad) speed skating can be found in Sports/Skating/Inline_Skating/Speed_Skating.
Supply and equipment sites will not be listed here, and should be listed in Shopping/Sporting_Goods/Skate_Ski_Surf/Skating/Speed_Skating.
Non-English sites should be submitted to the appropriate World/ category.
A speed skater skates on a rink or oval of ice. All major events are skated on a 400 meter oval. The ice could be made naturally as well as artificial. Since 1985 there are made several indoor venues, which houses a artificial speed skating oval of 400 meters.