Generally the event 's duration -LRB- commonly one hour -RRB- is shorter than that of a traditional road race -- which can last many hours , sometimes over the course of several days or even weeks , as in a MISC@1 .

Often a criterium lasts about one hour , which is shorter than that of a traditional road race -- which can last many hours , sometimes of several days or even weeks , as in a MISC@1 .
