Knowra400 metresLinked fromLinked fromThe 11 pages that link to 400 metres, each with the reason it gives.All 11Broader topic 2Related 1Narrower topic 4Compared with 4100 metresCompared with: Its longer distance shifts demands toward speed endurance.Sprint (running)Broader topic: It tests how long high speed can be maintained over a full lap.200 metresCompared with: The 400 metres doubles the distance and demands substantially greater speed endurance.800 metresCompared with: It is shorter and more dependent on sprint speed than the two-lap 800 metres.Cathy FreemanNarrower topic: This was Freeman's signature event and the distance of her Olympic title.Jarmila KratochvílováNarrower topic: This event was Kratochvílová's specialty before her landmark 800-metre season.Edwin MosesCompared with: Comparing the flat 400 metres clarifies the extra rhythm and obstacle demands of Moses's event.Irena SzewińskaRelated: Her 1976 Olympic gold and world record came at this demanding distance.Allyson FelixBroader topic: She later became a leading 400-metre runner, winning Olympic bronze in Tokyo.Marie-José PérecNarrower topic: This was Pérec’s signature event, combining sprint speed with sustained effort.Wayde van NiekerkNarrower topic: It is the event Van Niekerk won in Rio and still holds the world record for.