These records have been registered in the official competitions organized by the different federations which have managed this sport at a mondial level, across the time (ISS, FISV, FIS, ...).
Today, all the races are supervised by the International Ski Federation (FIS).
Speed skiing is performed in two principal categories : Records are existing for theses 2 categories, and also for age sub-categories (Juniors U21 : under 21 years old, ...) These records have been established on the quickest tracks of each time.
Furthermore, one specific race (Speedmasters) is organized every year for permitting skiers to approach these records, at the period where the track is the quicker (end of March).
Otherwise, other speed sports use skis : monoski, snowboard, telemark, skibob, snowscoot.