<P> Skaters race on a two - lane oval rink similar in dimension to an outdoor athletics track . Indeed, an athletics track covered with ice can function as a speed skating track, such as Bislett stadion in Oslo up to the 1980s . According to the rules of the International Skating Union, a standard track should be either 400 m or 3331⁄3 m long; 400 m is the standard used for all major competitions . Tracks of other, non-standard lengths, such 200 or 250 m, are also in use in some places for training and / or smaller local competitions . On standard tracks, the curves have a radius of 25--26 m in the inner lane, and each lane is 3--4 m wide . </P> <P> These rinks have hosted international events (World Cups or international senior championships) since 2005 . </P> <Ul> <Li> Gunda - Niemann - Stirnemann - Halle, Erfurt, Germany </Li> <Li> Heilongjiang Indoor Rink, Harbin, China </Li> <Li> Jilin Provincial Speed Skating Rink, Changchun, China </Li> <Li> Kometa Ice Rink, Kolomna, Russia </Li> <Li> Ice Palace Krylatskoye, Moscow, Russia </Li> <Li> M - Wave, Nagano, Japan </Li> <Li> Ludwig Schwabl Stadion, Inzell, Germany </Li> <Li> Oval Lingotto, Turin, Italy </Li> <Li> Olympic Oval, Calgary, Alberta, Canada </Li> <Li> Pettit National Ice Center, West Allis, Wisconsin, United States </Li> <Li> Richmond Olympic Oval, Richmond, British Columbia, Canada </Li> <Li> Sportforum Hohenschönhausen, Berlin, Germany </Li> <Li> Thialf, Heerenveen, Netherlands </Li> <Li> Utah Olympic Oval, Kearns, Utah, United States </Li> <Li> Vikingskipet, Hamar, Norway </Li> <Li> Alau Ice Palace, Astana, Kazakhstan </Li> </Ul> <Li> Gunda - Niemann - Stirnemann - Halle, Erfurt, Germany </Li>

How many laps is 10000 meters in speed skating