Regenboogstadion
The stadium was named after the rainbow jersey worn by the cycling road world champions , since it was inaugurated to host the 1957 UCI Road World Championships . 
<triplet> 1957 <subj> 1957 <obj> point in time <subj> UCI Road World Championships <obj> sports season of league or competition <triplet> UCI Road World Championships <subj> 1957 <obj> has part